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  • 1
    ISSN: 1573-0646
    Keywords: mitoxantrone ; Hodgkin's disease ; non-Hodgkin's lymphoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The members of the Southwest Oncology Group have treated thirteen patients with Hodgkin's disease and thirty-seven with non-Hodgkin's lymphoma with mitoxantrone on the every three week schedule. While the result (\313 responses in Hodgkin's; \937 responses in non-Hodgkin's lymphoma) is not striking, there is a definite antitumor activity in a very heavily pretreated group of patients. Toxicity was acceptable. Additional trials in lymphoma are planned using mitoxantrone in combination with BCNU.
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  • 2
    ISSN: 1573-0646
    Keywords: adriamycin ; mitoxantrone ; bisantrene ; cloning
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary A human tumor cloning system was used to assess the cytotoxicity of adriamycin, mitoxantrone and bisantrene at concentrations that are equitoxic in man. There were 989 specimens evaluable for drug sensitivity analysis. Overall, adriamycin showed in vitro cytotoxicity (≥ 50% decrease in tumor colony forming units) 14% of the time; mitoxantrone, 21% of the time; and bisantrene, 31% of the time. Three hundred ninety-nine of these evaluable specimens were simultaneously tested against more than one of the agents, providing 631 two-way drug comparisons. For these comparisons, there was lack of co-resistance 27–34% of the time, with mitoxantrone being more active than adriamycin (p 〈 .05) and bisantrene being more active than adriamycin (p 〈 .01) or mitoxantrone (p 〈 .01). These data suggest that comparative and sequential clinical use of these agents should be investigated.
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  • 3
    ISSN: 1573-0646
    Keywords: mitoxantrone ; pancreatic carcinoma ; phase II trial ; DHAD ; novantrone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Patient with advanced adenocarcinoma of the pancreas and no prior chemotherapy were treated on a Phase II trial of mitoxantrone. Doses were adjusted for hepatic dysfunction as defined by bilirubin. Twenty-four patients with a bilirubin ⩽ 1.5 mg% received mitoxantrone 12 mg/m2 i.v. repeated every three weeks. Myelosuppression in the form of leukopenia was the major toxicity. There were no responses in twenty-four evaluable patients.
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  • 4
    ISSN: 1573-0646
    Keywords: mitoxantrone ; adenoid cystic carcinoma ; dihydroxyanthracenedione
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Eighteen patients are evaluable for response in a Phase II trial of Mitoxantrone for advanced adenoid cystic carcinoma of the head and neck. One patient had a complete response; there were no partial responses. Twelve patients had stable disease for 3 or more months. There was no significant anti-tumor activity of Mitoxantrone in the group of patients with adenoid cystic carcinoma, all of whom were previously heavily treated with surgery, chemotherapy and/or radiation therapy.
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  • 5
    ISSN: 1573-0646
    Keywords: mitoxantrone ; breast cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary 124 patients with metastatic breast cancer were entered into this phase II trial of mitoxantrone (DHAD). Patients were stratified prior to treatment as good or poor risk, and whether they had received previous therapy with an anthracycline derivative. Mitoxantrone was given every 21 days at a starting dose of 12 mg/m2 for good risk patients and 10 mg/m2 for poor risk patients. Among the group who had not received anthracyclines, 12 are fully or partially evaluable for response with five classified as good risk. One complete response, ongoing at 52 weeks was seen in this group. Of the seven poor risk patients, stable disease was seen in two. 103 patients with prior anthracycline exposure are fully or partially evaluable, 31 good risk and 72 poor risk. There were three partial responses in each group. Toxicity was primarily myelosuppression, and was more severe in the poor risk group. Mitoxantrone when used on this schedule has minimal activity among heavily pretreated patients with metastatic breast cancer.
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  • 6
    ISSN: 1573-0646
    Keywords: phase I trial ; mitoxantrone ; α-interferon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract In vitro and preclinical in vivo data have shown a synergistic antitumor activity between α-interferon and some antiproliferative agents. A phase I study of the concurrent administration of interferon-α 2 and mito-xantrone was initiated, to determine the maximum tolerated dose of mitoxantrone given i.v. every 3 weeks in escalating doses combined with a fixed dose of s.c. interferon α 2 (6 × 106 IU three times per week3), in patients with advanced solid tumors resistant to conventional chemotherapy. At least three evaluable patients were entered in each dose level of mitoxantrone starting at 4 mg/m2, with no escalations allowed in the same patient. Twenty-seven patients received a total of 101 cycles and five dose-levels were explored (4-6-8-10-12 mg/m2 of mitoxantrone). The dose-limiting toxicities were leukopenia and granulocytopenia at 12 mg/m2 of mitoxantrone, at which dose hematological toxicity occurred in 〉 50% of cases, with one patient presenting grade 4 leuko-granulocytopenia. No severe thrombocytopenia occurred. In the majority of patients transient hepatic enzyme elevations and a flu-like syndrome due to interferon a 2 were observed in all dose-levels explored. These observations suggest that the hepatotoxic effects of interferon a 2 do not emphasize mitoxantrone side-effects if given simultaneously. When mitoxantrone is administered with 6 × 106 IU of interferon α 2, the recommended dose for future phase II studies is 10 mg/m2/weeks3 with escalation up to 12 mg/m2 in selected patients if such a combination is well tolerated in terms of myelosuppression. Regarding therapeutic activity, four out of 25 (16%) cases evaluable for response achieved a partial response. In conclusion the concomitant administration of recombinant interferon α 2 and mitoxantrone allows the possibility to give a therapeutic dosage of both agents. Because the combination of the two agents was fairly well tolerated and antitumor activity was observed, phase II trials are warranted.
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  • 7
    ISSN: 1573-0646
    Keywords: vinorelbine ; vinca-alkaloids ; mitoxantrone ; anthracenedione-derivative ; phase I ; combination therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Abstract Vinorelbine (Navelbine®) is a unique semi-synthetic vinca-alkaloid with a favorable safety profile that has demonstrated significant antitumor activity in patients with non-small cell lung cancer, advanced breast cancer, advanced ovarian cancer and Hodgkin's disease. The most common dose-limiting toxicity is neutropenia, while other reported toxicities are minimal. Mitoxantrone (Novantrone®) is an anthracene derivative that has demonstrated antitumor activity in patients with breast cancer, ovarian cancer, acute leukemia, and lymphoma. Mitoxantrone also has a very favorable toxicity profile with significantly less nausea and vomiting, alopecia, and stomatitis as compared with anthracyclines. The dose-limiting toxicity for mitoxantrone is leukopenia. The study was designed to determine the safety and maximally tolerated dose of IV vinorelbine used in combination with a fixed dose of mitoxantrone for the treatment of patients with refractory solid tumors. Vinorelbine was administered on days 1 and 8 of the treatment regimen as a short IV infusion. The starting dose was 15 mg/m2. Mitoxantrone was administered as a 20-min infusion on day 1 only at a fixed dose of 10 mg/m2. Seventeen patients with solid malignancies were entered in the study. For personal reasons, one patient decided to discontinue the treatment after day 1 of cycle 1. Therefore, 16 patients were evaluable for toxicity. The main toxicity was myelosuppression which was dose-limiting and resulted in dose reductions and delays. The use of G-CSF had a minimal overall impact on this regimen. Stable disease was observed in three cases. In patients previously treated with chemotherapy, the maximally tolerated dose was defined as vinorelbine 20 mg/m2 on days 1 and 8 and mitoxantrone 10 mg/m2 on day 1 without growth factor support. These doses can be recommended for phase II study of the regimen as salvage treatment.
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  • 8
    ISSN: 1573-0646
    Keywords: mitoxantrone ; melanoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Mitoxantrone, an anthracenedione derivative, was administered by members of the Southwest Oncology Group to thirty patients with metastatic malignant melanoma. The drug was administered as an intravenous infusion over 30 min at a starting dose of 12 mg/m2 and repeated every three weeks. Myelosuppression was the major toxicity. As administered, mitoxantrone is not an effective agent in the treatment of malignant melanoma.
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  • 9
    ISSN: 1573-0646
    Keywords: breast cancer ; chemotherapy ; doxorubicin ; mitoxantrone ; bisantrene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary New agents with increased activity and/or reduced toxicity are needed for the treatment of advanced breast cancer. The anthracene derivatives mitoxantrone and bisantrene had significant activity and acceptable toxicity in phase II trials. In an ongoing phase III trial we have now randomized 150 patients with advanced breast cancer to either doxorubicin (60 mg/m2), mitoxantrone (14 mg/m2) or bisantrene (260 mg/m2) i.v. q 3 weeks with re-randomization for cross-over at the time of progression to determine the relative efficacy and toxicity of these three agents. To be eligible, patients must have had only one previous chemotherapy regimen. ER positive patients must have failed endocrine therapy. Patients with CHF or severe cardiac disease were ineligible. In this preliminary evaluation, 117 patients are evaluable for response and 110 for toxicity. Median age for all patients is 58 years (range 26–78). The majority (86%) are postmenopausal. Fifty-nine percent of the patients have visceral dominant disease. Estrogen receptor is positive in 37%, negative in 39% and unknown in 24% of patients. Median performance status (SWOG) is 1, range 0–2. Objective responses have been observed on each arm (doxorubicin 9/35, mitoxantrone 6/38, bisantrene 6/44). Thirty-two patients are evaluable for cross-over response (doxorubicin 2/13, mitoxantrone 1/11, bisantrene 0/8). The predominant toxicity is leukopenia with a nadir WBC count 〈2000 in 45% of all courses administered. Leukopenia is similar with the three drugs. Significant nausea, vomiting and alopecia are common with doxorubicin and uncommon with the other agents. Congestive heart failure has been observed in one patient (doxorubicin). Definitive conclusions regarding the efficacy and toxicity of these agents await the completion of this trial.
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