Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1997-8-25
pubmed:abstractText
Topotecan (S-9-dimethyl-10-hydroxycamptothecin hydrochloride SKF 104864-A) is a semisynthetic analog of the alkaloid camptothecin and, similar to the parent compound, a potent inhibitor of topoisomerase I. The cytotoxicity induced by topotecan appears due to interference with the normal breakage reunion reaction of topoisomerase I leading to DNA damage and cell death. Since preclinical studies of topotecan suggested antitumor activity against refractory solid tumors, a phase II trial of the drug was initiated in melanoma patients with recurrent and/or metastatic disease. Topotecan 1.5 mg/m2 was given as a daily 30-min infusion for 5 days and repeated every 21-28 days. Seventeen patients were entered into the treatment program with all evaluable for toxicity but I patient, inevaluable for response. There were no objective responses. Toxicity was predominantly severe myelosuppression, which occurred in 12 of 17 (70%) patients. Topotecan in this dose and schedule is inactive in malignant melanoma.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0735-7907
pubmed:author
pubmed:issnType
Print
pubmed:volume
15
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
318-20
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
Phase II trial of topotecan in malignant melanoma.
pubmed:affiliation
Division of Hematology and Oncology, Ohio State University, Columbus 43210, USA.
pubmed:publicationType
Journal Article, Clinical Trial, Research Support, U.S. Gov't, P.H.S., Clinical Trial, Phase II