Study Results & Research Projects

Summaries & Associations of Study Results

TR-318 Ampicillin Trihydrate

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http://ntp.niehs.nih.gov/go/9586

Target Organs and Levels of Evidence
NTP Technical Report Number 318

Produced from Chemtrack Database 09/19/01

CHEMICAL/ CAS NUMBER PEER REVIEW DATE PRIMARY USES ROUTE/EXPOSURE LEVELS STUDY LABORATORY
AMPICILLIN TRIHYDRATE
7177-48-2
12/09/85 ANTIBIOTIC, ANTIMICROBIAL Gavage R: 0,750,1500, M: 0,1500,3000 MG/KG/50 PER GROUP Springborn Inst. for Bioresearch, Inc.
LEVELS OF EVIDENCE OF CARCINOGENICITY--ORGAN/TISSUE (NEOPLASM):
MR: EQUIVOCAL EVIDENCE ADRENAL GLAND MEDULLA: PHEOCHROMOCYTOMA 13/50 12/50 23/49 OR MALIGNANT PHEOCHROMOCYTOMA 1/50 5/50 1/49 COMBINED 13/50 16/50 23/49
HEMATOPOIETIC SYSTEM: LEUKEMIA 5/50 14/50 13/50
NON-NEOPLASTIC LESIONS: FORESTOMACH: HYPERKERATOSIS; ACANTHOSIS
FR: NO EVIDENCE
MM: NO EVIDENCE
NON-NEOPLASTIC LESIONS: FORESTOMACH: ULCERS; INFLAMMATION; HYPERKERATOSIS; ACANTHOSIS
FM: NO EVIDENCE