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M Godard

Publications and source records attributed to M Godard.

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Improvement of hematologic recovery after high-dose intensification using peripheral blood progenitor cells (PBPC) mobilized by chemotherapy and GM-CSF.

We have tested the efficiency of GM-CSF to mobilize peripheral blood progenitor cells (PBPC) and evaluated the hematological reconstitution after GM-CSF primed-PBPC infusion following myeloablative therapy. Twenty three patients suffering from hematological malignancies were included in this study. Starting 24 hours after completion of a standard dose chemotherapy including vindesine, cyclophosphamide, adriblastine, prednisone, (VCAP), 5 micrograms/kg sub-cutaneous daily dose GM-CSF was given for a median time of 14 days followed by three consecutives cycles of leukapheresis. Fifteen of these 23 patients underwent GM-CSF primed-PBPC autotransplantation following high dosed intensification regimen. PBPC collection and hematopoietic recovery were compared with a 15 patients control group who did not receive GM-CSF. No marrow or growth factors were administered after PBPC reinfusion in the two groups. VCAP/GM-CSF mobilization induced significantly higher yields of CFU-GM (3.8 fold) than did VCAP mobilization alone, 19 x 10(4)/kg (2-73) vs 5 x 10(4)/kg (2-27), (p < 0.005). The median number of days to achieve 1.10(9)/l neutrophils, platelet count > 20.10(9)/l and > 50.10(9)/l was significantly lower in the GM-CSF group than in the control group, respectively 13 vs 19 days (p = 0.04), 15.5 vs 27 days (p < 0.02), 19 vs 51 days (p < 0.01). When compared with the control group, transfusion requirements and median of hospital stay were both significantly decreased for the patients receiving GM-CSF primed-PBPC. Our study confirms that infusion of GM-CSF primed-PBPC as a sole source of hematopoietic support improves hematopoietic reconstitution following myeloablative therapy.

Adult

Beneficial effects of fish-oil supplements on lipids, lipoproteins, and lipoprotein lipase in patients with glycogen storage disease type I.

Glycogen storage disease type I (GSD-I) is frequently complicated by severe hyperlipoproteinemia and the increased potential risk of premature atherosclerosis. The effects of fish-oil supplementation [MaxEPA, 10 g.(1.73 m2)-1 for 3 mo] were investigated prospectively in seven hyperlipoproteinemic patients with GSD-I. Hypertriglyceridemia and hypercholesterolemia improved after 3 mo of fish-oil treatment, decreasing 49% (P < 0.005) and 23%, respectively. This was accompanied by a reduction in both low-density-lipoprotein (LDL) cholesterol (25%, P < 0.03) and apolipoprotein B (40%) and by increased high-density-lipoprotein increased (HDL) cholesterol (30%, P < 0.002) and apolipoprotein A-I (31%, P < 0.05). Low pretreatment ratios of HDL to total cholesterol and HDL to LDL, indicators of elevated atherosclerosis risk, increased significantly (P < 0.05). Plasma lipoprotein profile as well as lipoprotein composition [triglyceride (TG) enrichment and cholesteryl depletion] improved. Reduced TG concentrations were due to enhanced fat catabolism, as evidenced by the significantly increased hepatic and extrahepatic lipoprotein lipase activity (P < 0.05). Withdrawal of fish oil for 3 mo was associated with a return to pretreatment abnormalities in plasma lipids and lipoproteins. Fish-oil supplementation thus improves the hyperlipoproteinemia in GSD-I and may significantly reduce the risk of premature atherosclerotic cardiovascular disease.

Adolescent

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