TDMS Study 05108-01 Pathology Tables
INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) PROMETHAZINE HYDROCHLORIDE NTP Experiment-Test: 05108-01 Report: PEIRPT03 Study Type: CHRONIC Date: 09/13/94 Route: GAVAGE Time: 21:31:40 Facility: TSI Mason Research Chemical CAS #: 58-33-3 Lock Date: 10/28/91 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: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 8.3 16.6 33.3 FEMALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 60 60 60 60 Scheduled Sacrifice 10 10 10 7 Early Deaths Moribund 12 12 10 11 Accident 1 2 Dead 5 4 9 16 Survivors Terminal Sacrifice 29 33 31 24 Moribund 2 1 Dead 1 Animals Examined Microscopically 60 60 60 60 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Esophagus (60) (59) (60) (58) Erosion 1 (2%) Hyperkeratosis 1 (2%) 1 (2%) Inflammation, Acute 1 (2%) Intestine Small, Duodenum (59) (57) (54) (47) Necrosis 1 (2%) Intestine Small, Ileum (58) (57) (53) (44) Necrosis 1 (2%) Liver (60) (59) (60) (59) Basophilic Focus 28 (47%) 32 (54%) 23 (38%) 20 (34%) Clear Cell Focus 2 (3%) 1 (2%) Fatty Change, Diffuse 2 (3%) Fatty Change, Focal 5 (8%) 1 (2%) Fibrosis 2 (3%) Hemorrhage 1 (2%) Hepatodiaphragmatic Nodule 1 (2%) 6 (10%) 5 (8%) 10 (17%) Inflammation, Granulomatous 6 (10%) 1 (2%) 2 (3%) 1 (2%) Mixed Cell Focus 3 (5%) 1 (2%) 2 (3%) 7 (12%) Necrosis 1 (2%) 1 (2%) Pigmentation 2 (3%) 1 (2%) Bile Duct, Hyperplasia 1 (2%) Mesentery (1) (3) (1) Fat, Mineralization 1 (100%) Fat, Necrosis 1 (100%) 2 (67%) Pancreas (60) (59) (60) (56) Acinus, Atrophy 1 (2%) 1 (2%) Acinus, Hyperplasia 1 (2%) Salivary Glands (60) (59) (59) (59) Atrophy 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 2 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 8.3 16.6 33.3 FEMALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Duct, Metaplasia, Squamous 1 (2%) 2 (3%) 2 (3%) Stomach, Forestomach (59) (59) (60) (57) Hyperkeratosis 2 (3%) 1 (2%) Hyperplasia, Basal Cell 3 (5%) 1 (2%) 2 (4%) Necrosis 2 (3%) Ulcer 1 (2%) Stomach, Glandular (60) (58) (54) (51) Hyperplasia 1 (2%) 1 (2%) Mineralization 1 (2%) Necrosis 2 (3%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (60) (60) (60) (59) Cardiomyopathy 29 (48%) 29 (48%) 28 (47%) 27 (46%) Inflammation, Chronic Active 1 (2%) Mineralization 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (60) (59) (59) (58) Accessory Adrenal Cortical Nodule 2 (3%) 1 (2%) Hemorrhage 1 (2%) Hyperplasia 1 (2%) 1 (2%) 1 (2%) 2 (3%) Adrenal Medulla (60) (59) (60) (58) Hyperplasia 2 (3%) 4 (7%) 3 (5%) 1 (2%) Islets, Pancreatic (60) (59) (60) (55) Hyperplasia 2 (3%) Pituitary Gland (59) (58) (58) (58) Craniopharyngeal Duct, Cyst 1 (2%) Pars Distalis, Angiectasis 27 (46%) 24 (41%) 20 (34%) 16 (28%) Pars Distalis, Cyst 7 (12%) 7 (12%) 3 (5%) Pars Distalis, Hyperplasia 21 (36%) 20 (34%) 18 (31%) 17 (29%) Pars Intermedia, Hyperplasia 1 (2%) 1 (2%) Pars Nervosa, Angiectasis 3 (5%) Pars Nervosa, Cyst 1 (2%) Thyroid Gland (59) (59) (55) (54) C-Cell, Hyperplasia 10 (17%) 6 (10%) 8 (15%) 7 (13%) Follicle, Cyst 2 (3%) 1 (2%) 1 (2%) Follicular Cell, Hyperplasia 1 (2%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 3 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 8.3 16.6 33.3 FEMALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Clitoral Gland (56) (55) (58) (57) Dilatation 1 (2%) Hyperplasia 1 (2%) Inflammation, Acute 1 (2%) 1 (2%) Necrosis 2 (4%) Ovary (60) (59) (60) (58) Cyst 3 (5%) 1 (2%) 2 (3%) Uterus (59) (60) (60) (57) Cyst 1 (2%) Decidual Reaction 1 (2%) Hemorrhage 1 (2%) 1 (2%) Inflammation, Acute 1 (2%) Metaplasia, Osseous 1 (2%) Cervix, Fibrosis 1 (2%) Cervix, Inflammation, Acute 1 (2%) Cervix, Pigmentation 1 (2%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node (12) (5) (5) (5) Mediastinal, Angiectasis 1 (20%) Mediastinal, Pigmentation 1 (20%) Pancreatic, Angiectasis 1 (8%) Pancreatic, Hemorrhage 1 (20%) Pancreatic, Infiltration Cellular, Histiocyte 2 (17%) Lymph Node, Mandibular (60) (59) (59) (59) Angiectasis 1 (2%) Hemorrhage 1 (2%) Lymph Node, Mesenteric (60) (59) (60) (58) Angiectasis 1 (2%) 1 (2%) Hemorrhage 1 (2%) Hyperplasia 1 (2%) Infiltration Cellular, Histiocyte 2 (3%) Spleen (60) (59) (60) (56) Fibrosis 2 (3%) 2 (3%) 1 (2%) Hematopoietic Cell Proliferation 3 (5%) 2 (3%) 1 (2%) Hemorrhage 1 (2%) Infarct 1 (2%) 1 (2%) Infiltration Cellular, Histiocyte 2 (3%) a Number of animals examined microscopically at site and number of animals with lesion Page 4 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 8.3 16.6 33.3 FEMALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM - CONT Thymus (55) (58) (57) (55) Fibrosis 1 (2%) Hemorrhage 1 (2%) Epithelial Cell, Ectopic Parathyroid Gland 1 (2%) Epithelial Cell, Hyperplasia 1 (2%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (58) (54) (59) (52) Galactocele 14 (24%) 5 (9%) 5 (8%) 5 (10%) Skin (60) (58) (60) (58) Cyst Epithelial Inclusion 2 (3%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Bone (59) (59) (60) (59) Fibrous Osteodystrophy 1 (2%) ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (60) (60) (60) (59) Degeneration 1 (2%) Hemorrhage 1 (2%) Hydrocephalus 1 (2%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (60) (59) (60) (59) Edema 1 (2%) 2 (3%) Hemorrhage 1 (2%) 1 (2%) Infiltration Cellular, Histiocyte 2 (3%) 1 (2%) 1 (2%) Inflammation, Acute 2 (3%) Alveolar Epithelium, Hyperplasia 4 (7%) 2 (3%) 1 (2%) Nose (59) (59) (59) (59) Fungus 1 (2%) 1 (2%) Inflammation, Acute 2 (3%) 3 (5%) 6 (10%) 7 (12%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 5 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS FEMALE VEHICLE 8.3 16.6 33.3 FEMALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (1) (1) (3) (3) Lens, Cataract 1 (100%) 1 (100%) 1 (33%) 1 (33%) Retina, Atrophy 1 (33%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (60) (60) (59) (57) Inflammation, Acute 1 (2%) Mineralization 2 (3%) 1 (2%) Nephropathy 52 (87%) 52 (87%) 50 (85%) 41 (72%) Pigmentation 1 (2%) Artery, Inflammation, Chronic Active 1 (2%) Bilateral, Papilla, Necrosis 1 (2%) Cortex, Mineralization 8 (13%) 6 (10%) 8 (14%) 4 (7%) Pelvis, Inflammation, Chronic Active 1 (2%) Urinary Bladder (59) (57) (56) (53) Hemorrhage 1 (2%) Necrosis 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 6 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 8.3 16.6 33.3 MALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ DISPOSITION SUMMARY Animals Initially In Study 60 60 60 60 Scheduled Sacrifice 10 10 10 9 Early Deaths Moribund 24 27 27 21 Dead 3 5 12 20 Survivors Terminal Sacrifice 23 14 9 10 Moribund 1 Dead 3 2 Animals Examined Microscopically 60 60 60 60 ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM Esophagus (60) (60) (59) (59) Hemorrhage 1 (2%) 1 (2%) Hyperkeratosis 1 (2%) 3 (5%) Inflammation, Acute 1 (2%) 1 (2%) 1 (2%) Necrosis 1 (2%) Intestine Large, Colon (59) (57) (54) (49) Artery, Inflammation, Chronic Active 2 (4%) Intestine Large, Cecum (57) (56) (52) (45) Hyperplasia 1 (2%) Intestine Small, Ileum (56) (57) (53) (45) Necrosis 1 (2%) Liver (60) (60) (60) (60) Angiectasis 2 (3%) 7 (12%) 2 (3%) Basophilic Focus 20 (33%) 32 (53%) 25 (42%) 23 (38%) Clear Cell Focus 8 (13%) 7 (12%) 8 (13%) 13 (22%) Degeneration, Cystic 5 (8%) 4 (7%) 7 (12%) 4 (7%) Eosinophilic Focus 2 (3%) 5 (8%) 5 (8%) 4 (7%) Fatty Change, Diffuse 13 (22%) 15 (25%) 25 (42%) 37 (62%) Fatty Change, Focal 1 (2%) Fibrosis 1 (2%) Hematopoietic Cell Proliferation 1 (2%) Hepatodiaphragmatic Nodule 11 (18%) 1 (2%) 1 (2%) 1 (2%) Hyperplasia 1 (2%) 1 (2%) Infarct 2 (3%) Leukocytosis 1 (2%) Mixed Cell Focus 4 (7%) 3 (5%) 8 (13%) 11 (18%) Necrosis 5 (8%) 1 (2%) Necrosis, Focal 1 (2%) 1 (2%) 1 (2%) Thrombosis 2 (3%) 1 (2%) Artery, Necrosis 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 7 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 8.3 16.6 33.3 MALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ ALIMENTARY SYSTEM - CONT Bile Duct, Cyst 1 (2%) Bile Duct, Hyperplasia 46 (77%) 39 (65%) 22 (37%) 12 (20%) Centrilobular, Hypertrophy 1 (2%) 8 (13%) Mesentery (2) (7) (3) (3) Artery, Inflammation, Chronic Active 1 (14%) Fat, Fibrosis 1 (33%) Fat, Hemorrhage 3 (43%) 1 (33%) Fat, Inflammation, Chronic Active 1 (33%) Fat, Mineralization 1 (50%) 1 (33%) Fat, Necrosis 2 (29%) 2 (67%) 1 (33%) Fat, Pigmentation 1 (14%) Pancreas (59) (60) (59) (60) Acinus, Hyperplasia 2 (3%) 1 (2%) Artery, Fibrosis 1 (2%) Artery, Inflammation, Chronic Active 1 (2%) 3 (5%) Pharynx (2) Inflammation, Acute 1 (50%) Palate, Inflammation, Acute 1 (50%) Salivary Glands (60) (60) (60) (59) Duct, Metaplasia, Squamous 2 (3%) 1 (2%) 2 (3%) Stomach, Forestomach (59) (60) (60) (60) Cyst Epithelial Inclusion 1 (2%) Hyperkeratosis 2 (3%) 5 (8%) 1 (2%) 4 (7%) Hyperplasia, Basal Cell 5 (8%) 7 (12%) 2 (3%) 6 (10%) Hyperplasia, Squamous 1 (2%) 1 (2%) Inflammation, Acute 1 (2%) Mineralization 1 (2%) Necrosis 3 (5%) 6 (10%) 2 (3%) 1 (2%) Ulcer 4 (7%) 1 (2%) 4 (7%) Stomach, Glandular (59) (60) (57) (54) Erosion 1 (2%) Hyperplasia 1 (2%) Inflammation, Chronic Active 1 (2%) Mineralization 1 (2%) 10 (17%) 8 (14%) Necrosis 2 (4%) Tongue (1) (1) (1) Hyperkeratosis 1 (100%) Inflammation, Acute 1 (100%) ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM Heart (60) (60) (60) (60) Cardiomyopathy 53 (88%) 39 (65%) 46 (77%) 52 (87%) Congestion 1 (2%) Inflammation, Acute 1 (2%) 1 (2%) Mineralization 6 (10%) 5 (8%) 2 (3%) a Number of animals examined microscopically at site and number of animals with lesion Page 8 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 8.3 16.6 33.3 MALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ CARDIOVASCULAR SYSTEM - CONT Thrombosis 1 (2%) ____________________________________________________________________________________________________________________________________ ENDOCRINE SYSTEM Adrenal Cortex (60) (60) (59) (60) Accessory Adrenal Cortical Nodule 1 (2%) Hyperplasia 2 (3%) Hypertrophy 2 (3%) Adrenal Medulla (60) (60) (59) (59) Hyperplasia 13 (22%) 15 (25%) 14 (24%) 9 (15%) Bilateral, Hyperplasia 2 (3%) Islets, Pancreatic (60) (60) (59) (58) Hyperplasia 1 (2%) 2 (3%) 3 (5%) Parathyroid Gland (56) (57) (57) (56) Hyperplasia 1 (2%) 8 (14%) 8 (14%) 3 (5%) Bilateral, Hyperplasia 1 (2%) Pituitary Gland (60) (60) (58) (59) Pars Distalis, Angiectasis 12 (20%) 7 (12%) 6 (10%) 3 (5%) Pars Distalis, Cyst 4 (7%) 3 (5%) 4 (7%) Pars Distalis, Fibrosis 1 (2%) Pars Distalis, Hyperplasia 22 (37%) 14 (23%) 16 (28%) 9 (15%) Pars Distalis, Infarct 1 (2%) Pars Nervosa, Cyst 1 (2%) Thyroid Gland (59) (59) (54) (50) C-Cell, Hyperplasia 9 (15%) 2 (3%) 1 (2%) 1 (2%) Follicle, Cyst 1 (2%) 1 (2%) 1 (2%) Follicular Cell, Hyperplasia 3 (5%) 1 (2%) 1 (2%) ____________________________________________________________________________________________________________________________________ GENERAL BODY SYSTEM None ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM Preputial Gland (58) (60) (58) (58) Hyperplasia 2 (3%) 1 (2%) 1 (2%) Necrosis 1 (2%) 1 (2%) 2 (3%) Prostate (58) (60) (60) (57) Hyperplasia 3 (5%) Inflammation, Chronic Active 2 (3%) 1 (2%) 1 (2%) 2 (4%) Mineralization 1 (2%) Seminal Vesicle (59) (60) (59) (60) Inflammation, Acute 1 (2%) 1 (2%) Testes (60) (60) (60) (60) a Number of animals examined microscopically at site and number of animals with lesion Page 9 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 8.3 16.6 33.3 MALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ GENITAL SYSTEM - CONT Atrophy 1 (2%) Interstitial Cell, Hyperplasia 14 (23%) 20 (33%) 19 (32%) 14 (23%) Seminiferous Tubule, Atrophy 13 (22%) 5 (8%) 3 (5%) 8 (13%) ____________________________________________________________________________________________________________________________________ HEMATOPOIETIC SYSTEM Lymph Node (15) (16) (15) (5) Mediastinal, Angiectasis 1 (7%) 1 (7%) Pancreatic, Pigmentation 1 (7%) Renal, Angiectasis 1 (6%) Lymph Node, Mesenteric (59) (60) (60) (59) Degeneration 1 (2%) Infiltration Cellular, Histiocyte 1 (2%) Spleen (60) (60) (59) (60) Cyst 1 (2%) Fibrosis 3 (5%) 6 (10%) 4 (7%) 4 (7%) Hematopoietic Cell Proliferation 2 (3%) 1 (2%) 2 (3%) Infarct 1 (2%) 1 (2%) 2 (3%) Thymus (51) (53) (56) (55) Cyst 1 (2%) Ectopic Parathyroid Gland 1 (2%) Epithelial Cell, Hyperplasia 3 (6%) ____________________________________________________________________________________________________________________________________ INTEGUMENTARY SYSTEM Mammary Gland (58) (52) (47) (46) Galactocele 2 (4%) Acinus, Hyperplasia 1 (2%) Skin (60) (60) (60) (60) Abscess 1 (2%) Acanthosis 1 (2%) Cyst Epithelial Inclusion 1 (2%) 1 (2%) Hyperkeratosis 2 (3%) 1 (2%) Necrosis 1 (2%) ____________________________________________________________________________________________________________________________________ MUSCULOSKELETAL SYSTEM Skeletal Muscle (1) (6) (1) Edema 1 (100%) Hemorrhage 1 (100%) Necrosis 1 (17%) ____________________________________________________________________________________________________________________________________ a Number of animals examined microscopically at site and number of animals with lesion Page 10 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 8.3 16.6 33.3 MALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ NERVOUS SYSTEM Brain (60) (60) (60) (60) Hemorrhage 2 (3%) Mineralization 1 (2%) Thrombosis 1 (2%) Peripheral Nerve (1) (2) Degeneration 1 (100%) Inflammation, Chronic Active 1 (100%) ____________________________________________________________________________________________________________________________________ RESPIRATORY SYSTEM Lung (60) (60) (59) (60) Edema 4 (7%) 3 (5%) 5 (8%) Fibrosis 1 (2%) 1 (2%) Hemorrhage 3 (5%) 11 (18%) 3 (5%) 1 (2%) Infiltration Cellular, Histiocyte 2 (3%) 4 (7%) 1 (2%) Inflammation, Acute 1 (2%) 2 (3%) 2 (3%) 4 (7%) Alveolar Epithelium, Hyperplasia 3 (5%) 1 (2%) Artery, Inflammation, Chronic Active 1 (2%) Bronchiole, Inflammation, Acute 1 (2%) Mediastinum, Inflammation, Chronic Active 1 (2%) 1 (2%) Nose (60) (60) (60) (60) Fungus 7 (12%) 5 (8%) 1 (2%) 5 (8%) Hyperkeratosis 1 (2%) 1 (2%) Inflammation, Acute 13 (22%) 11 (18%) 8 (13%) 9 (15%) Trachea (60) (60) (60) (60) Erosion 1 (2%) Inflammation, Acute 1 (2%) ____________________________________________________________________________________________________________________________________ SPECIAL SENSES SYSTEM Eye (2) (2) (2) (2) Atrophy 1 (50%) Lens, Cataract 1 (50%) 2 (100%) ____________________________________________________________________________________________________________________________________ URINARY SYSTEM Kidney (60) (60) (60) (60) Cyst 3 (5%) 3 (5%) 2 (3%) 4 (7%) Developmental Malformation 1 (2%) Hemorrhage 1 (2%) 1 (2%) Hydronephrosis 2 (3%) Mineralization 2 (3%) 6 (10%) 5 (8%) 1 (2%) Nephropathy 59 (98%) 56 (93%) 58 (97%) 56 (93%) a Number of animals examined microscopically at site and number of animals with lesion Page 11 NTP Experiment-Test: 05108-01 INCIDENCE RATES OF NONNEOPLASTIC LESIONS BY ANATOMIC SITE (a) Report: PEIRPT03 Study Type: CHRONIC PROMETHAZINE HYDROCHLORIDE Date: 09/13/94 Route: GAVAGE Time: 21:31:40 ____________________________________________________________________________________________________________________________________ FISCHER 344 RATS MALE VEHICLE 8.3 16.6 33.3 MALE MG/KG MG/KG MG/KG ____________________________________________________________________________________________________________________________________ URINARY SYSTEM - CONT Pelvis, Transitional Epithelium, Hyperplasia 1 (2%) Pelvis, Transitional Epithelium, Inflammation 1 (2%) Renal Tubule, Hyperplasia 5 (8%) 1 (2%) Urinary Bladder (59) (58) (59) (57) Calculus Gross Observation 1 (2%) 1 (2%) Calculus Micro Observation Only 1 (2%) 1 (2%) Dilatation 1 (2%) Hemorrhage 1 (2%) Hyperplasia 1 (2%) a Number of animals examined microscopically at site and number of animals with lesion Page 12 ------------------------------------------------------------ ---------- END OF REPORT ---------- ------------------------------------------------------------