Phase II trials with procarbazine (NSC-77213), streptozotocin (NSC-85998), 6-THIOGUANINE (NSC-752), and CCNU (NSC-79037) in patients with metastatic cancer of the large bowel. 1975

J Horton, and A Mittelman, and S G Taylor, and L Jurkowitz, and J M Bennett, and E Ezdinli, and J Colsky, and J A Hanley

One hundred and ninety-seven patients with measurable metastatic cancer of the colon have been treated with one of four anticancer drugs which have had little prior trial in this disease. Objective tumor responses lasting a median of 9 weeks occurred with 0.5 g/m of streptozotocin given intravenously every week (10 percent), 130 mg/m of CCNU given orally every 6 weeks (10%), 1.0 mg/kg/day of 6-thioguanine given orally (8%), and 3 mg/kg/day of procarbazine given orally (3%). Performance status declined more rapidly with streptozotocin and 6-thioguanine and the median survival time was less (12 and 16 weeks respectively) than with procarbazine and CCNU (23 and 20 weeks respectively). This study suggests that procarbazine given in this way is ineffective but trials of streptozotocin or 6-thioguanine combined with other agents active against colon cancer should ensue as well as further exploration of the usefulness of other nitrosoureas.

UI MeSH Term Description Entries
D008130 Lomustine An alkylating agent of value against both hematologic malignancies and solid tumors. CCNU,Belustine,Cecenu,CeeNU,NSC-79037,NSC 79037,NSC79037
D009362 Neoplasm Metastasis The transfer of a neoplasm from one organ or part of the body to another remote from the primary site. Metastase,Metastasis,Metastases, Neoplasm,Metastasis, Neoplasm,Neoplasm Metastases,Metastases
D009607 Nitrosourea Compounds A class of compounds in which the core molecule is R-NO, where R is UREA. Compounds, Nitrosourea
D011344 Procarbazine An antineoplastic agent used primarily in combination with mechlorethamine, vincristine, and prednisone (the MOPP protocol) in the treatment of Hodgkin's disease. Matulane,Natulan,Procarbazine Hydrochloride,Procarbazine Monohydrobromide,Procarbazine Monohydrochloride,Hydrochloride, Procarbazine,Monohydrobromide, Procarbazine,Monohydrochloride, Procarbazine
D002986 Clinical Trials as Topic Works about pre-planned studies of the safety, efficacy, or optimum dosage schedule (if appropriate) of one or more diagnostic, therapeutic, or prophylactic drugs, devices, or techniques selected according to predetermined criteria of eligibility and observed for predefined evidence of favorable and unfavorable effects. This concept includes clinical trials conducted both in the U.S. and in other countries. Clinical Trial as Topic
D003110 Colonic Neoplasms Tumors or cancer of the COLON. Cancer of Colon,Colon Adenocarcinoma,Colon Cancer,Cancer of the Colon,Colon Neoplasms,Colonic Cancer,Neoplasms, Colonic,Adenocarcinoma, Colon,Adenocarcinomas, Colon,Cancer, Colon,Cancer, Colonic,Cancers, Colon,Cancers, Colonic,Colon Adenocarcinomas,Colon Cancers,Colon Neoplasm,Colonic Cancers,Colonic Neoplasm,Neoplasm, Colon,Neoplasm, Colonic,Neoplasms, Colon
D004341 Drug Evaluation Any process by which toxicity, metabolism, absorption, elimination, preferred route of administration, safe dosage range, etc., for a drug or group of drugs is determined through clinical assessment in humans or veterinary animals. Evaluation Studies, Drug,Drug Evaluation Studies,Drug Evaluation Study,Drug Evaluations,Evaluation Study, Drug,Evaluation, Drug,Evaluations, Drug,Studies, Drug Evaluation,Study, Drug Evaluation
D004359 Drug Therapy, Combination Therapy with two or more separate preparations given for a combined effect. Combination Chemotherapy,Polychemotherapy,Chemotherapy, Combination,Combination Drug Therapy,Drug Polytherapy,Therapy, Combination Drug,Chemotherapies, Combination,Combination Chemotherapies,Combination Drug Therapies,Drug Polytherapies,Drug Therapies, Combination,Polychemotherapies,Polytherapies, Drug,Polytherapy, Drug,Therapies, Combination Drug
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013311 Streptozocin An antibiotic that is produced by Stretomyces achromogenes. It is used as an antineoplastic agent and to induce diabetes in experimental animals. Streptozotocin,2-Deoxy-2-((methylnitrosoamino)carbonyl)amino-D-glucose,Streptozotocine,Zanosar

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