Tumor marker guidelines.
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Biomedical subjects
Publications and source records attributed to R B Sklaroff.
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Eight patients with epidermoid carcinoma of the penis received methotrexate, five with high-dose methotrexate, 250--1500 mg/m2 with citrovorum rescue Q 2--4 weeks, and three with low-dose methotrexate, 0.5--3.0 mg/kg weekly. Three (38%) patients achieved a complete or partial remission which persisted for 11, 3 and 2 months, respectively. Methotrexate appears to be an active agent in the treatment of advanced penile cancer.
Patients with acute leukemia in relapse were given 5'-(9-acridinylamino)methanesulfon-m-anisidide at a dosage of 75 to 200 mg/sq m as a daily bolus infusion of 5 consecutive days. None of the 11 patients treated at 75 to 150 mg/sq m daily for 5 days achieved remission. Ten patients with acute lymphoblastic leukemia and 21 with acute nonlymphoblastic leukemia were given treatment at 200 mg/sq m daily for 5 days. Six of these patients achieved complete remission, three with acute lymphoblastic leukemia and three with acute nonlymphoblastic leukemia. Neutropenia and thrombocytopenia were seen in all patients and in the responders lasted a median of 39 and 41 days, respectively. Stomatitis was the most significant nonhematopoietic toxicity noted. occurring in 80% of the patients. Hyperbilirubinemia was seen in 25% of the patients treated. Since 4'-(9-acridinylamino)methanesulfon-m-anisidide will induce remission in heavily pretreated patients with acute leukemia, consideration should be given to exploring its use in combination with other active drugs.
We conducted a phase I study of 6-diazo-5-oxo-L-norleucine given iv on a twice weekly schedule. Twenty-six evaluable patients received 31 courses of the drug. Doses ranged from 100 to 500 mg/m2. Nausea with vomiting was the dose-limiting toxic effect, transient thrombocytopenia was seen frequently, and mucositis occurred in 39% of the patients. No definite therapeutic responses were observed in 18 patients with measurable lesions. The recommended dose for phase II studies is 200-300 mg/m2 iv twice weekly.
Cis-diamminedichloride platinum II (DDP) was administered to eight patients with epidermoid carcinoma of the penis. Three of six adequately treated patients had an objective response: one patient achieved complete remission of 7 months duration and 2 patients had partial remissions of 8 and 2 months, respectively. DDP appears to be an active agent in the treatment of penile carcinoma.
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Sixty-four women with Stage II breast cancer who had Sr85 bone scans at the time of radical mastectomy were followed for 8 years in a prospective study. Those women with positive scans had a slight, but statistically significant, increased incidence of metastic disease, particularly for metastases to bone.However, 40% of those women with positive bone scans and negative roentgenograms survived 8 years without evidence of any metastatic disease. Therefore, it has not been shown at this time that bone scans should be obtained in order to exclude bone metastasis before regional therapy for breast cancer is instituted. Also, a significant percentage of women with negative bone scans developed both bone and soft tissue metastases. As many as 30% of asymptomatic women with a history of breast cancer and positive bone scans and negative bone roentgenograms may still harbor disease in bone after 8 years.
Vindesine was administered to 18 patients with acute leukemia who had failed conventional chemotherapy. Each course of therapy consisted of an iv bolus infusion at a dose of 1-2 mg/m2 given daily x 5-10 days. Of 13 patients with acute lymphoblastic leukemia, two had partial remissions which lasted 2 and 3 months and five had minor responses. One of three patients with acute nonlymphoblastic leukemia and one of two patients with blastic crisis of chronic myelogenous leukemia each had a minor response. The data suggest that vindesine has activity in the treatment of acute leukemia.