podophyllotoxin/повръщане

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Podophyllotoxin intoxication: toxic effect of Bajiaolian in herbal therapeutics.

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Вход / Регистрация

Bajiaolian (Dysosma pleianthum), one species in the Mayapple family, has been widely used as a general remedy and for the treatment of snake bite, weakness, condyloma accuminata, lymphadenopathy and tumours in China for thousands of years. However, the textbooks of traditional Chinese medicine

Camptothecin and podophyllotoxin derivatives: inhibitors of topoisomerase I and II - mechanisms of action, pharmacokinetics and toxicity profile.

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Camptothecins represent an established class of effective agents that selectively target topoisomerase I by trapping the catalytic intermediate of the topoisomerase I-DNA reaction, the cleavage complex. The water-soluble salt camptothecin-sodium - introduced in early trials in the 1960s - was highly

Etoposide: an update.

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The chemistry, pharmacology, pharmacokinetics, clinical efficacy, adverse effects, and pharmacodynamics of etoposide are reviewed. Etoposide, although similar in chemical structure to podophyllotoxin, has a different mechanism of cytotoxicity compared with its parent compound. Etoposide may

[VP 16-213 in the treatment of acute leukemia in childhood].

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Effectiveness and side effects of VP 16-213, a semi-synthetic podophyllotoxin, on acute leukemia and histiocytic medullary reticulosis in childhood was tested. Four cases of refractory acute lymphocytic leukemia, five of acute non-lymphocytic leukemia-one induction failure and 4 in remission--and a

A clinical trial of the oral form of 4'-demethyl-epipodophyllotoxin-beta-D ethylidene glucoside (NSC 141540) VP 16-213.

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Вход / Регистрация

A clinical trial of the oral form of VP 16-213 (NSC-141540), a semisynthetic podophyllotoxin, was undertaken. In 20 patients, treatment was started at 200 mg/day p.o. for 5 days; courses were repeated after a rest period of 16 days. Five patients were treated at the same dose, repeated with only

[A phase II study of oral VP-16 in primary lung cancer].

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A clinical trial of a new semi-synthetic podophyllotoxin, VP-16, was undertaken in patients with primary lung cancer; 56 of the 81 evaluable patients had small cell carcinoma, 9 adenocarcinoma, 8 epidermoid carcinoma, 7 large cell carcinoma, and 1 adenosquamous carcinoma. A dose of 200 mg/body/day

[Phase II study of VP-16 (capsule) in solid tumors. A cooperative study].

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Вход / Регистрация

A phase II study of VP-16, a semisynthetic Podophyllotoxin, was performed in patients with solid tumors. VP-16 was administered orally at a dose of 200mg/day for 5 consecutive days at 3 to 4-week intervals. Out of 41 patients who were entered into the study, 35 patients comprising 17 lung cancer, 10

Etoposide: a semisynthetic epipodophyllotoxin. Chemistry, pharmacology, pharmacokinetics, adverse effects and use as an antineoplastic agent.

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Etoposide (VP 16) is a semi-synthetic derivative of 4'- demethylepipodophyllotoxin , a naturally occurring compound synthesized by the North American May apple (Podophyllum peltatum ) and the Indian species Podophyllum emodi Wallich . Although podophyllotoxins are classical spindle poisons causing

[Etoposide VP 16--213)--a podophyllotoxinderivative with high antitumor activity (author's transl)].

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Etoposide is a semisynthetic podophyllotoxin derivative with a broad spectrum of antitumor activity and a relatively high therapeutic index. The synergism in animal with cis-platinum, cyclophosphamide, BCNU, and cytosinarabinoside is interesting for combination regimen. Mechanisms of action are

[Phase II study of etoposide (VP-16-213) in genitourinary tumors. VP-16-213 Genitourinary Study Group].

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A co-operative phase II study of the semisynthetic podophyllotoxin derivative Etoposide (VP-16) was undertaken in patients with genitourinary tumors. A total of 83 out of 115 patients entered into the study were evaluable for response. Antitumor effects were evaluated according to "Standards for the

Mandrake toxicity. A case of mistaken identity.

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A 31-year-old man ingested an unknown amount of mandrake plant purchased at a local health food store and came to the emergency department with severe nausea and vomiting. He was hospitalized overnight but recovered uneventfully without obvious adverse systemic effects. This plant was almost

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