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Biomedical subjects

E Boesen

Publications and source records attributed to E Boesen.

16 recordsLinked to original sources

Tropisetron alone or in combination with dexamethasone for the prevention and treatment of emesis induced by non-cisplatin chemotherapy: a randomized trial.

This study compared the efficacy and tolerability of tropisetron (Navoban, Novaban) alone or in combination with dexamethasone for the treatment of emesis induced by moderately emetogenic non-cisplatin chemotherapy. In total, 126 patients with cancer, who had never received chemotherapy and who required at least two courses of moderately emetogenic non-cisplatin chemotherapy each lasting for a minimum of 5 days, were recruited into the study. Patients were randomized to receive tropisetron, 5 mg o.d., plus either dexamethasone, 12 mg i.v. on day 1 followed by 4 mg orally b.i.d. on days 2-5, or placebo. Greater control of acute and delayed vomiting and nausea was achieved in patients given the tropisetron-dexamethasone combination than in those who received the tropisetron-placebo treatment. The majority of adverse events were mild and could be attributed to the chemotherapeutic regimen used or to the underlying disease. Patients and investigators both rated tropisetron alone or in combination with dexamethasone as a highly effective and well-tolerated antiemetic treatment. The results of this study show that tropisetron, 5 mg o.d., is an effective, well-tolerated and simple to use antiemetic treatment for patients receiving moderately emetogenic non-cisplatin chemotherapy. The addition of dexamethasone increases the efficacy of tropisetron without significantly decreasing its tolerability.

Antiemetics

Intravenous treosulfan versus intravenous treosulfan plus cisplatinum in advanced ovarian carcinoma.

In a prospective, multicentre, randomized trial, the efficacy and tolerance of treosulfan alone was compared with that of treosulfan plus cisplatinum in 135 women with advanced ovarian carcinoma. No statistically significant difference was found between the two treatments in terms of median survival. Combined treatment was associated with significantly greater side-effects and haematological toxicity. Optimal survival with minimal toxicity can be achieved by using treosulfan alone in patients (mainly stages Ic or II) with minimal postoperative residual disease. Patients (likely to be stage III or IV) with greater residual disease should receive treosulfan plus cisplatinum.

Adult

EMOP/CA chemotherapy for the treatment of aggressive non-Hodgkin's lymphomas.

From October 1983 to June 1987, 32 patients with aggressive non-Hodgkin's lymphomas (diffuse centroblastic, lymphoblastic and Burkitt type) were treated with the weekly alternating EMOP/CA schedule, total duration 12 weeks. There were six bulky stage II, nine stage III and 17 stage IV patients, median age 54 years (range 19-75). The complete remission rate was 59% (95% confidence limits 40-76%) and the partial remission rate 28% providing an overall response rate of 87%. With a median follow up time of 33 months (range 18-56) the relapse-free survival of those patients achieving a complete remission is 52% and the overall survival for the 32 patients treated is 27%. The CR rate for patients with stage IV disease was 47% and for those with stage II and III disease was 73% of whom 81% remain in remission. EMOP/CA chemotherapy produces acceptable results in stage II and III aggressive non-Hodgkin's lymphomas but is inadequate therapy for stage IV disease.

Adult

High-dose melphalan with autologous bone marrow transplant. Treatment of poor prognosis tumors.

Seventeen patients were treated with high-dose melphalan with autologous bone marrow transplant (ABMT) and cyclophosphamide pretreatment. All of the patients had marrow reconstitution. Although there was one death caused by infection, high-dose melphalan with ABMT causes toxicity that is generally acceptable, and can achieve a high-response rate, but with responses of short duration in tumors resistant to standard-dose combination chemotherapy. In other poor-prognosis tumors that are sensitive to chemotherapy, or can be debulked surgically, or locally irradiated, high-dose melphalan with ABMT given as late intensification therapy may significantly prolong time to relapse, and ultimately prolong survival.

Adult

Prednimustine in combination with methotrexate and 5-fluorouracil in advanced breast cancer: a phase I-II study.

Forty-seven patients with advanced breast cancer were treated with a combination of prednimustine (P), methotrexate (M), 5-fluorouracil (F), and tamoxifen (TAM). Twenty-six patients received P, 80 mg/m2 day 1-5 (series I) and 21 patients received P, 100 mg/m2 day 1-5 (series II). Both series of patients received M, 40 mg/m2 day 1 and 8 and F, 600 mg/m2 day 1 and 8 with a cycle duration of 4 weeks. All patients received TAM 20 mg twice daily. As concerns the haematologic toxicity, WBC were depressed significantly more often than platelet counts, and during the first 3 cycles 70% of the patients had a WBC nadir corresponding to toxicity grade II or more. No signs of cumulative haematologic toxicity were observed. Nausea and vomiting were registered in 40 out of 47 patients but in 35 of these only of grade I-II. Only one patient developed alopecia requiring a wig. The response to treatment could be evaluated in 28 patients, 21 of whom experienced response (CR or PR) of a median duration of 13 months. In conclusion, it seems that prednimustine can be safely used in combination with methotrexate and 5-fluorouracil. The frequency of alopecia is definitely lower than with CMF. Whether this relates also to subjective side effects will require a randomized study, as will a final conclusion concerning the efficacy compared to that of CMF.

Aged

Ketoconazole versus nystatin plus amphotericin B for fungal prophylaxis in severely immunocompromised patients.

72 patients severely immunocompromised by their underlying disease (marrow aplasia, acute leukaemia, or solid tumour) or by the treatment they were receiving, or both, were randomised to receive antifungal prophylaxis with either oral ketoconazole or conventional doses of oral amphotericin B and nystatin. All patients also had gut decontamination with non-absorbable antibiotics, skin antisepsis, sterile food, and oral cotrimoxazole. Protection against fungal infection was significantly superior with ketaconazole. When patients who had received allogeneic bone-marrow transplant were studied separately, there was no significant difference between the two treatments, probably because there was a fall-off in ketoconazole absorption from the end of the third week after the transplant. However, ketoconazole greatly reduced the likelihood of fungal infection in non-transplant patients.

Amphotericin B

Prednimustine in combination with methotrexate and 5-FU (PMF): a pilot study.

A group of 47 patients with advanced breast cancer were treated with a combination of prednimustine, methotrexate, 5-FU, and tamoxifen. In this combination, with methotrexate and 5-FU administered at standard doses, hematologic toxicity of prednimustine at a dose of 100 mg/m2 orally on Days 1-5 repeated every 4 weeks was acceptable. Nausea and vomiting occurred in 40 of the 47 patients but was only grade 1-2 in 35 of these patients. Only one patient had alopecia to the extent of requiring a wig. Response to treatment could be evaluated in 28 patients; 21 achieved a response (complete or partial lasting a median of 13 months.

Aged

Gynaecomastia associated with gonadotrophin-secreting carcinoma of the lung.

A 67-year-old man developed dermatomyositis. Investigation revealed an oat cell carcinoma of the lung. When he developed unilateral gynaecomastia this tumour was found to secrete gonadotrophins. The gynaecomastia disappeared after treatment with an anti-oestrogen--tamoxifen. This use of tamoxifen has not previously been described. Partial tumour regression was obtained with several cytotoxic drug regimes. His dermatomyositis responded to this treatment and remains in remission.

Aged

Antioestrogens in treatment of breast cancer: value of nafoxidine in 52 advanced cases.

The synthetic non-steroidal antioestrogen nafoxidine (U-11, 100A) was given by mouth to 52 women with locally advanced or metastatic breast cancer, in 85% of whom the disease had become resistant to, or relapsed after, previous endocrine treatment. The objective response rate (complete or partial regression of disease) among 48 cases treated for at least four weeks was 37%. Tumours in soft tissue seemed to respond better than skeletal metastases. The patients in all but one of the 52 cases were postmenopausal. Those who had had an objective response to previous hormone treatment had a greater chance of deriving benefit from nafoxidine than those who had been resistant to hormone treatment.Side effects of nafoxidine were dryness of skin, increased loss of scalp hair, and heightened sensitivity to sunlight. None were serious, and they could be lessened by protection from solar radiation or a decrease in dosage. No obvious depression of thyroid or adrenal function or obvious water retention or masculinization was seen. Cataract was a possible complication.This clinical trial was preceded by laboratory studies in which a transplantable oestrogen-dependent tumour in the Syrian hamster was notably inhibited by the administration of nafoxidine. This experimental model may prove useful in screening potentially useful antioestrogenic agents against breast cancer before a human trial.

Adult