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Biomedical subjects

M Kosaki

Publications and source records attributed to M Kosaki.

10 recordsLinked to original sources

[MECHOP-BM chemotherapy in the treatment of non Hodgkin's lymphoma].

Twenty patients with previously untreated advanced aggressive or relapsed or refractory non-Hodgkin's lymphoma were treated with the MECHOP-BM regimen (MCNU, etoposide, cyclophosphamide, adriamycin, vincristine, prednisolone, bleomycin and methotrexate). Of the 18 patients treated with the MECHOP-BM, the response rate was 78% and complete response (CR) was attained in 33%. Among these CR patients, one patient relapsed, but the other patients continued to show CR (59-243 days, medium 178 days). The most serious toxicity attributed to MECHOP-BM therapy was leukopenia. The mean white blood cell count dropped to 1,300/microliters, and only therapy could be useful in the treatment for patients with untreated aggressive and advanced stage of non-Hodgkin's lymphoma as well as salvage therapy of relapsed cases.

Adolescent↗

The Japanese Interferon Study Group (JISG) has established the efficacy of human interferon-beta for serious CMV pneumonitis in kidney recipients. Japanese Interferon Study Group.

The Japanese Interferon Study Group (JISG) is a research organization formed by 30 special hospitals for organ transplantation. A joint multi-centre, double-blind trial was conducted in order to investigate the efficacy of human interferon-beta (HuIFN-beta) against serious cytomegalovirus pneumonitis in kidney recipients.

Acute Disease↗

[Primary myelofibrosis successfully treated with allogeneic bone marrow transplantation].

A 31-year-old man with primary myelofibrosis initially received low dose Ara C. Splenomegaly decreased but pancytopenia continued. Allogeneic bone marrow transplantation from his sister was then performed. Busulfan and cyclophosphamide were used as a preconditioning regimen, which included neither irradiation nor splenectomy. As the bone marrow was hypoplastic after transplantation, G-CSF was given. It was useful for systemic infection. After transplantation, leukoerythroblastosis and tear drop poikilocytosis disappeared in peripheral blood. Finally, bone marrow fibrosis disappeared and hemopoiesis to normal limits recovered 17 months later. These results demonstrate that bone marrow transplantation is effective for primary myelofibrosis for which there is no otherwise curative therapy.

Adult↗

Hematological response to the new synthetic muramyl dipeptide derivative muroctasin after chemotherapy in patients with malignant lymphoma. A randomized crossover trial.

A randomized crossover trial was performed in 20 patients receiving chemotherapy for malignant lymphoma. N2-[(N-acetylmuramoyl)-L-alanyl-D-isoglutaminyl]-N6-stearoyl-L-lysine (MDP-Lys(L18), muroctasin) at a dose of 200 micrograms was subcutaneously administered after one of two cycles of the same protocol. The administration was started on day 4 after the start of chemotherapy and continued for 10 days. The mean length from the start of chemotherapy to nadir of white blood cell (WBC) was not significantly different between the control and muroctasin cycles. The mean WBC and neutrophil counts at nadir of the control cycle were significantly lower than those at the same point of muroctasin cycle, respectively. A positive effect of muroctasin cycle, defined as WBC count at nadir being increased by 1,000/mm3, WBC count being increased by 1,000/mm3 on two points examined after nadir, or faster reach to nadir and faster recovery to normal range of WBC than in the control cycle, was observed in 7 (35%) of 20 patients. On the other hand, only one (5%) patient showed a superiority of the control cycle over the muroctasin cycle. Toxic effects of muroctasin were observed in 34.8% of patients, but were tolerable for most patients. These results show that muroctasin has a clinical efficacy in the restoration of leukopenia after chemotherapy.

Acetylmuramyl-Alanyl-Isoglutamine↗