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TDMS Study 05108-02 Pathology Tables

                              INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)
                                                     PROMETHAZINE HYDROCHLORIDE
NTP Experiment-Test: 05108-02                                                                                     Report: PEIRPT05
Study Type: CHRONIC                                                                                               Date: 09/14/94
Route: GAVAGE                                                                                                     Time: 00:14:27
       Facility:  TSI Mason Research
       Chemical CAS #:  58-33-3
       Lock Date:  None
       Cage Range:  All
       Reasons For Removal:    All
       Removal Date Range:     All
       Treatment Groups:       Include All
a  Number of animals examined microscopically at site and number of animals with lesion
                                                             Page   1
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE FEMALE                        VEHICLE      3.75         7.5          15.0                                      
                                                   FEMALE       MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          60           60           60           60                                     
  Scheduled Sacrifice                                 10           10            9            9                                     
  Early Deaths                                                                                                                      
    Moribund                                          10            7            9            6                                     
    Dead                                               1            1            1            3                                     
    Accident                                                                     2            1                                     
  Survivors                                                                                                                         
    Terminal Sacrifice                                37           42           39           41                                     
    Dead                                               2                                                                            
  Animals Examined Microscopically                    60           60           60           60                                     
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Esophagus                                          (60)         (59)         (58)         (59)                                   
      Squamous Cell Papilloma                                                                 1 (2%)                                
   Gallbladder                                        (56)         (59)         (56)         (57)                                   
   Intestine Large, Colon                             (60)         (59)         (60)         (60)                                   
   Intestine Large, Cecum                             (59)         (59)         (59)         (58)                                   
   Intestine Small, Duodenum                          (58)         (59)         (60)         (59)                                   
   Intestine Small, Jejunum                           (56)         (59)         (58)         (57)                                   
   Intestine Small, Ileum                             (58)         (59)         (60)         (58)                                   
   Liver                                              (60)         (60)         (60)         (60)                                   
      Hemangiosarcoma                                                            1 (2%)                                             
      Hepatocellular Carcinoma                         1 (2%)       1 (2%)       1 (2%)       2 (3%)                                
      Hepatocellular Adenoma                           2 (3%)       4 (7%)       6 (10%)      9 (15%)                               
      Hepatocellular Adenoma, Multiple                 1 (2%)                                                                       
      Histiocytic Sarcoma                                           2 (3%)       1 (2%)       2 (3%)                                
   Mesentery                                          (4)          (1)          (3)          (2)                                    
      Fibroma                                          1 (25%)                                                                      
      Sarcoma                                                       1 (100%)                  1 (50%)                               
   Pancreas                                           (60)         (59)         (60)         (59)                                   
      Sarcoma, Metastatic, Skin                                     1 (2%)                                                          
   Salivary Glands                                    (59)         (60)         (60)         (59)                                   
   Stomach, Forestomach                               (60)         (60)         (60)         (60)                                   
      Mast Cell Tumor Benign                           1 (2%)                                                                       
      Squamous Cell Papilloma                          1 (2%)       1 (2%)       1 (2%)       2 (3%)                                
   Stomach, Glandular                                 (59)         (59)         (60)         (59)                                   
____________________________________________________________________________________________________________________________________
                                                             Page   2                                                               
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE FEMALE                        VEHICLE      3.75         7.5          15.0                                      
                                                   FEMALE       MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   Heart                                              (60)         (60)         (59)         (60)                                   
      Alveolar/Bronchiolar Carcinoma, Metastatic,                                                                                   
           Lung                                        1 (2%)                                                                       
      Carcinoma, Metastatic, Harderian Gland                                     1 (2%)                                             
      Histiocytic Sarcoma                                           1 (2%)                                                          
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   Adrenal Cortex                                     (60)         (60)         (60)         (60)                                   
      Capsule, Adenoma                                 2 (3%)                    1 (2%)                                             
   Islets, Pancreatic                                 (59)         (59)         (60)         (59)                                   
      Adenoma                                          1 (2%)                                                                       
   Pituitary Gland                                    (56)         (59)         (59)         (58)                                   
      Carcinoma                                                                  1 (2%)                                             
      Pars Distalis, Adenoma                           5 (9%)       2 (3%)       4 (7%)       3 (5%)                                
      Pars Distalis, Adenoma, Multiple                              1 (2%)                                                          
      Pars Intermedia, Adenoma                                                   1 (2%)                                             
   Thyroid Gland                                      (60)         (60)         (57)         (60)                                   
      Carcinoma                                                                               1 (2%)                                
      Bilateral, Follicular Cell, Adenoma                                                     1 (2%)                                
      Follicular Cell, Adenoma                         4 (7%)       2 (3%)       1 (2%)                                             
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   Ovary                                              (59)         (59)         (58)         (58)                                   
      Adenoma, Tubular                                                                        1 (2%)                                
      Cystadenoma                                                   2 (3%)       2 (3%)       1 (2%)                                
      Hemangioma                                                                 1 (2%)                                             
      Histiocytic Sarcoma                                                                     1 (2%)                                
      Luteoma                                                       1 (2%)                                                          
   Uterus                                             (60)         (60)         (60)         (60)                                   
      Adenoma                                                                    1 (2%)                                             
      Histiocytic Sarcoma                                                        1 (2%)       1 (2%)                                
      Leiomyosarcoma                                                             1 (2%)       1 (2%)                                
      Polyp Stromal                                    1 (2%)       3 (5%)       3 (5%)       2 (3%)                                
____________________________________________________________________________________________________________________________________
                                                             Page   3                                                               
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE FEMALE                        VEHICLE      3.75         7.5          15.0                                      
                                                   FEMALE       MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
   Bone Marrow                                        (60)         (59)         (60)         (59)                                   
   Lymph Node                                         (4)          (7)          (3)          (2)                                    
   Lymph Node, Mandibular                             (58)         (58)         (58)         (57)                                   
   Lymph Node, Mesenteric                             (56)         (59)         (58)         (54)                                   
      Hemangioma                                                    1 (2%)                                                          
      Histiocytic Sarcoma                                           1 (2%)       1 (2%)       1 (2%)                                
      Sarcoma, Metastatic, Skin                                     1 (2%)                                                          
   Spleen                                             (59)         (59)         (59)         (60)                                   
      Hemangioma                                                                 1 (2%)                                             
      Hemangiosarcoma                                                                         1 (2%)                                
      Histiocytic Sarcoma                                           1 (2%)       1 (2%)       2 (3%)                                
   Thymus                                             (52)         (58)         (55)         (57)                                   
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   Mammary Gland                                      (46)         (47)         (48)         (51)                                   
      Adenocarcinoma                                                1 (2%)                                                          
      Adenoma                                          1 (2%)                    1 (2%)                                             
   Skin                                               (60)         (59)         (60)         (59)                                   
      Basosquamous Tumor Benign                        1 (2%)                                                                       
      Subcutaneous Tissue, Fibrosarcoma                1 (2%)                                                                       
      Subcutaneous Tissue, Sarcoma                     1 (2%)       2 (3%)                    1 (2%)                                
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   Bone                                               (60)         (60)         (60)         (60)                                   
      Osteosarcoma                                     1 (2%)                                                                       
   Skeletal Muscle                                                 (1)          (2)                                                 
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   Brain                                              (60)         (59)         (60)         (60)                                   
      Carcinoma, Metastatic, Pituitary Gland                                     1 (2%)                                             
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (60)         (60)         (59)         (60)                                   
      Alveolar/Bronchiolar Adenoma                     8 (13%)      2 (3%)                    2 (3%)                                
      Alveolar/Bronchiolar Carcinoma                   2 (3%)                                                                       
      Carcinoma, Metastatic, Harderian Gland           1 (2%)                    1 (2%)                                             
      Carcinoma, Metastatic, Thyroid Gland                                                    1 (2%)                                
      Hepatocellular Carcinoma, Metastatic, Liver      1 (2%)                    1 (2%)                                             
                                                             Page   4                                                               
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE FEMALE                        VEHICLE      3.75         7.5          15.0                                      
                                                   FEMALE       MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
RESPIRATORY SYSTEM - cont                                                                                                           
      Histiocytic Sarcoma                                           2 (3%)                    2 (3%)                                
      Osteosarcoma, Metastatic, Uncertain Primary                                                                                   
          Site                                         1 (2%)                                                                       
      Mediastinum, Carcinoma, Metastatic, Lung         1 (2%)                                                                       
   Nose                                               (57)         (58)         (58)         (56)                                   
      Carcinoma, Metastatic, Harderian Gland                                     1 (2%)                                             
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   Ear                                                                          (1)                                                 
      Sarcoma                                                                    1 (100%)                                           
   Harderian Gland                                    (3)          (5)          (1)          (1)                                    
      Adenoma                                          2 (67%)      4 (80%)                   1 (100%)                              
      Carcinoma                                                                  1 (100%)                                           
      Bilateral, Carcinoma                             1 (33%)                                                                      
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   Kidney                                             (60)         (60)         (60)         (60)                                   
      Alveolar/Bronchiolar Carcinoma, Metastatic,                                                                                   
           Lung                                        1 (2%)                                                                       
      Histiocytic Sarcoma                                           1 (2%)                                                          
      Osteosarcoma, Metastatic, Uncertain Primary                                                                                   
          Site                                         1 (2%)                                                                       
   Urinary Bladder                                    (60)         (58)         (60)         (58)                                   
____________________________________________________________________________________________________________________________________
 SYSTEMIC LESIONS                                                                                                                   
   Multiple Organs                                   *(60)        *(60)        *(60)        *(60)                                   
      Histiocytic Sarcoma                                           2 (3%)       1 (2%)       2 (3%)                                
      Lymphoma Malignant Lymphocytic                   1 (2%)       3 (5%)       4 (7%)       3 (5%)                                
      Lymphoma Malignant Mixed                         7 (12%)     12 (20%)      9 (15%)      7 (12%)                               
      Lymphoma Malignant Undifferentiated Cell                      1 (2%)       1 (2%)                                             
____________________________________________________________________________________________________________________________________
     *   Number of animals with any tissue examined microscopically                                                                 
                                                             Page   5                                                               
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE FEMALE                        VEHICLE      3.75         7.5          15.0                                      
                                                   FEMALE       MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)            33          33          30          29                                       
     Total Primary Neoplasms                           46          46          44          42                                       
   Total Animals with Benign Neoplasms                 26          20          17          18                                       
     Total Benign Neoplasms                            31          23          23          23                                       
   Total Animals with Malignant Neoplasms              15          21          19          17                                       
     Total Malignant Neoplasms                         15          23          21          19                                       
   Total Animals with Metastatic Neoplasms              5           1           3           1                                       
     Total Metastatic Neoplasm                          7           2           5           1                                       
   Total Animals with Malignant Neoplasms               1                                                                           
   Uncertain Primary Site                                                                                                           
   Total Animals with Neoplasms Uncertain-                                                                                          
   Benign or Malignant                                                                                                              
     Total Uncertain Neoplasms                                                                                                      
____________________________________________________________________________________________________________________________________
a  Number of animals examined microscopically at site and number of animals with lesion                                             
b  Primary tumors: all tumors except metastatic tumors                                                                              
                                                             Page   6                                                               
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE MALE                          VEHICLE      11.25        22.5         45.0                                      
                                                   MALE         MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
DISPOSITION SUMMARY                                                                                                                 
  Animals Initially in Study                          60           60           60           60                                     
  Scheduled Sacrifice                                 10           10           10           10                                     
  Early Deaths                                                                                                                      
    Moribund                                           8            4            6            6                                     
    Dead                                               3            2            4                                                  
  Survivors                                                                                                                         
    Terminal Sacrifice                                39           44           40           44                                     
  Animals Examined Microscopically                    60           60           60           60                                     
____________________________________________________________________________________________________________________________________
 ALIMENTARY SYSTEM                                                                                                                  
   Gallbladder                                        (57)         (58)         (55)         (55)                                   
   Intestine Large, Colon                             (59)         (59)         (59)         (60)                                   
   Intestine Small, Duodenum                          (55)         (59)         (56)         (60)                                   
      Adenocarcinoma                                                                          1 (2%)                                
   Intestine Small, Jejunum                           (58)         (60)         (57)         (60)                                   
      Adenocarcinoma                                                             2 (4%)                                             
   Intestine Small, Ileum                             (59)         (59)         (59)         (60)                                   
      Adenocarcinoma                                                1 (2%)                                                          
   Liver                                              (60)         (60)         (59)         (60)                                   
      Hemangioma                                                                 1 (2%)                                             
      Hemangiosarcoma                                                                         1 (2%)                                
      Hemangiosarcoma, Multiple                                     2 (3%)                                                          
      Hepatoblastoma                                                                          1 (2%)                                
      Hepatocellular Carcinoma                         8 (13%)      9 (15%)      5 (8%)       8 (13%)                               
      Hepatocellular Carcinoma, Multiple                                                      1 (2%)                                
      Hepatocellular Adenoma                          14 (23%)     12 (20%)     12 (20%)     11 (18%)                               
      Hepatocellular Adenoma, Multiple                 3 (5%)       3 (5%)       3 (5%)      10 (17%)                               
      Hepatocholangiocarcinoma                                      1 (2%)                                                          
      Histiocytic Sarcoma                              1 (2%)                    1 (2%)                                             
      Mast Cell Tumor Malignant                                                  1 (2%)                                             
   Pancreas                                           (60)         (60)         (59)         (60)                                   
   Salivary Glands                                    (58)         (60)         (60)         (60)                                   
   Stomach, Forestomach                               (60)         (60)         (59)         (60)                                   
      Squamous Cell Papilloma                          1 (2%)                                                                       
   Stomach, Glandular                                 (60)         (60)         (59)         (60)                                   
      Hemangiosarcoma, Metastatic, Liver                            1 (2%)                                                          
   Tongue                                             (1)          (2)                       (2)                                    
      Squamous Cell Papilloma                                       1 (50%)                   1 (50%)                               
____________________________________________________________________________________________________________________________________
                                                             Page   7                                                               
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE MALE                          VEHICLE      11.25        22.5         45.0                                      
                                                   MALE         MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
 CARDIOVASCULAR SYSTEM                                                                                                              
   Heart                                              (60)         (60)         (60)         (60)                                   
      Hemangiosarcoma                                               1 (2%)                                                          
      Hepatocholangiocarcinoma, Metastatic, Liver                   1 (2%)                                                          
____________________________________________________________________________________________________________________________________
 ENDOCRINE SYSTEM                                                                                                                   
   Adrenal Cortex                                     (58)         (60)         (58)         (58)                                   
      Adenoma                                          1 (2%)       1 (2%)       3 (5%)                                             
      Capsule, Adenoma                                 1 (2%)       1 (2%)       2 (3%)                                             
   Adrenal Medulla                                    (56)         (56)         (56)         (55)                                   
   Islets, Pancreatic                                 (60)         (60)         (59)         (60)                                   
      Adenoma                                          1 (2%)                                 3 (5%)                                
   Pituitary Gland                                    (58)         (60)         (55)         (56)                                   
      Sarcoma, Metastatic, Nose                        1 (2%)                                                                       
   Thyroid Gland                                      (58)         (60)         (58)         (60)                                   
      Follicular Cell, Adenoma                                      1 (2%)                                                          
      Follicular Cell, Carcinoma                                                 1 (2%)                                             
____________________________________________________________________________________________________________________________________
 GENERAL BODY SYSTEM                                                                                                                
   None                                                                                                                             
____________________________________________________________________________________________________________________________________
 GENITAL SYSTEM                                                                                                                     
   Epididymis                                         (60)         (60)         (60)         (60)                                   
   Preputial Gland                                    (17)         (24)         (20)         (21)                                   
      Adenoma                                                       1 (4%)                                                          
   Prostate                                           (55)         (55)         (57)         (55)                                   
   Seminal Vesicle                                    (60)         (60)         (60)         (60)                                   
   Testes                                             (60)         (59)         (60)         (60)                                   
      Interstitial Cell, Adenoma                       1 (2%)                                                                       
____________________________________________________________________________________________________________________________________
 HEMATOPOIETIC SYSTEM                                                                                                               
   Bone Marrow                                        (59)         (60)         (60)         (60)                                   
      Hemangiosarcoma                                                                         1 (2%)                                
      Histiocytic Sarcoma                              1 (2%)                                                                       
      Mast Cell Tumor Malignant                                                  1 (2%)                                             
   Lymph Node                                         (1)          (1)          (4)          (1)                                    
      Axillary, Mast Cell Tumor Malignant                                        1 (25%)                                            
      Mediastinal, Mast Cell Tumor Malignant                                     1 (25%)                                            
   Lymph Node, Mandibular                             (53)         (51)         (53)         (54)                                   
                                                             Page   8                                                               
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE MALE                          VEHICLE      11.25        22.5         45.0                                      
                                                   MALE         MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
HEMATOPOIETIC SYSTEM - cont                                                                                                         
      Mast Cell Tumor Malignant                                                  1 (2%)                                             
   Lymph Node, Mesenteric                             (53)         (55)         (53)         (56)                                   
   Spleen                                             (59)         (58)         (60)         (60)                                   
      Hemangioma                                                    1 (2%)                                                          
      Hemangiosarcoma                                               1 (2%)                    2 (3%)                                
      Histiocytic Sarcoma                              1 (2%)                                                                       
      Mast Cell Tumor Malignant                                                  1 (2%)                                             
   Thymus                                             (47)         (48)         (52)         (51)                                   
____________________________________________________________________________________________________________________________________
 INTEGUMENTARY SYSTEM                                                                                                               
   Skin                                               (60)         (60)         (60)         (60)                                   
      Squamous Cell Carcinoma                                                                 1 (2%)                                
      Subcutaneous Tissue, Hemangioma                                                         1 (2%)                                
      Subcutaneous Tissue, Hemangiosarcoma                                                    1 (2%)                                
____________________________________________________________________________________________________________________________________
 MUSCULOSKELETAL SYSTEM                                                                                                             
   Skeletal Muscle                                    (1)          (3)          (1)          (1)                                    
      Hepatocholangiocarcinoma, Metastatic, Liver                   1 (33%)                                                         
____________________________________________________________________________________________________________________________________
 NERVOUS SYSTEM                                                                                                                     
   Brain                                              (60)         (60)         (60)         (60)                                   
      Meningioma Benign                                                          1 (2%)                                             
      Sarcoma, Metastatic, Nose                        1 (2%)                                                                       
____________________________________________________________________________________________________________________________________
 RESPIRATORY SYSTEM                                                                                                                 
   Lung                                               (60)         (60)         (60)         (60)                                   
      Alveolar/Bronchiolar Adenoma                     8 (13%)      6 (10%)      6 (10%)      7 (12%)                               
      Alveolar/Bronchiolar Adenoma, Multiple           1 (2%)                                                                       
      Alveolar/Bronchiolar Carcinoma                   2 (3%)       6 (10%)      1 (2%)       1 (2%)                                
      Carcinoma, Metastatic, Harderian Gland           1 (2%)                                                                       
      Carcinoma, Metastatic, Thyroid Gland                                       1 (2%)                                             
      Hepatocellular Carcinoma, Metastatic, Liver      1 (2%)       3 (5%)       3 (5%)       2 (3%)                                
      Hepatocholangiocarcinoma, Metastatic, Liver                   1 (2%)                                                          
      Histiocytic Sarcoma                              1 (2%)                                                                       
      Mediastinum, Hemangioma                                                                 1 (2%)                                
   Nose                                               (59)         (57)         (60)         (55)                                   
      Sarcoma                                          1 (2%)                                                                       
____________________________________________________________________________________________________________________________________
                                                             Page   9                                                               
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE MALE                          VEHICLE      11.25        22.5         45.0                                      
                                                   MALE         MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
 SPECIAL SENSES SYSTEM                                                                                                              
   Harderian Gland                                    (1)          (4)          (2)          (3)                                    
      Adenoma                                                       2 (50%)      2 (100%)     2 (67%)                               
      Carcinoma                                        1 (100%)                                                                     
____________________________________________________________________________________________________________________________________
 URINARY SYSTEM                                                                                                                     
   Kidney                                             (60)         (60)         (60)         (60)                                   
      Renal Tubule, Adenoma                            1 (2%)                                 1 (2%)                                
   Urinary Bladder                                    (59)         (60)         (58)         (59)                                   
____________________________________________________________________________________________________________________________________
 SYSTEMIC LESIONS                                                                                                                   
   Multiple Organs                                   *(60)        *(60)        *(60)        *(60)                                   
      Histiocytic Sarcoma                              1 (2%)                    1 (2%)                                             
      Lymphoma Malignant Histiocytic                                             2 (3%)                                             
      Lymphoma Malignant Lymphocytic                                2 (3%)       2 (3%)       3 (5%)                                
      Lymphoma Malignant Mixed                         3 (5%)       6 (10%)      2 (3%)       1 (2%)                                
____________________________________________________________________________________________________________________________________
     *   Number of animals with any tissue examined microscopically                                                                 
                                                             Page  10                                                               
NTP Experiment-Test: 05108-02  INCIDENCE RATES OF NEOPLASMS BY ANATOMIC SITE (SYSTEMIC LESIONS ABRIDGED) (a)      Report: PEIRPT05
Study Type: CHRONIC                                     PROMETHAZINE HYDROCHLORIDE                                Date: 09/14/94  
Route: GAVAGE                                                                                                     Time: 00:14:27  
____________________________________________________________________________________________________________________________________
         B6C3F1 MICE MALE                          VEHICLE      11.25        22.5         45.0                                      
                                                   MALE         MG/KG        MG/KG        MG/KG                                     
____________________________________________________________________________________________________________________________________
TUMOR SUMMARY                                                                                                                       
   Total Animals with Primary Neoplasms (b)            32          40          30          38                                       
     Total Primary Neoplasms                           48          58          52          59                                       
   Total Animals with Benign Neoplasms                 26          25          24          30                                       
     Total Benign Neoplasms                            32          29          30          37                                       
   Total Animals with Malignant Neoplasms              15          23          14          19                                       
     Total Malignant Neoplasms                         16          29          22          22                                       
   Total Animals with Metastatic Neoplasms              3           5           4           2                                       
     Total Metastatic Neoplasm                          4           7           4           2                                       
   Total Animals with Malignant Neoplasms                                                                                           
   Uncertain Primary Site                                                                                                           
   Total Animals with Neoplasms Uncertain-                                                                                          
   Benign or Malignant                                                                                                              
     Total Uncertain Neoplasms                                                                                                      
____________________________________________________________________________________________________________________________________
a  Number of animals examined microscopically at site and number of animals with lesion                                             
b  Primary tumors: all tumors except metastatic tumors                                                                              
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