Trial reportBone marrow transplantation2008
Pegfilgrastim successfully mobilizes megakaryocyte progenitors into the peripheral blood in subjects with solid tumours.
Trial report in Bone marrow transplantation, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00117442 (An Open-Label, Randomised Study of Multi-Cycle, Dose Intensive Carboplatin/Paclitaxel With Pegfilgrastim Supported by Haematopoietic Progenitor Cell Re-Infusion in Whole Blood), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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An Open-Label, Randomised Study of Multi-Cycle, Dose Intensive Carboplatin/Paclitaxel With Pegfilgrastim Supported by Haematopoietic Progenitor Cell Re-Infusion in Whole Blood
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cytokine-mobilized PBPC transplants result in rapid neutrophil and platelet engraftment following high-dose chemotherapy. A total of 61 patients with solid tumours, sensitive to carboplatin and paclitaxol, were recruited as part of a phase I/II study and randomized to receive a single dose of 6, 12 or 18 mg pegfilgrastim on day 1 of a 14-day prechemotherapy cycle or daily filgrastim (10 microg/kg) for up to 7 days. The kinetics of megakaryocyte progenitor mobilization were studied using immunohistochemical assays and flow cytometry in a subset of 31 patients. There was no significant difference among treatment groups with respect to the timing of total progenitor colony-forming units (CFUs) and megakaryocyte progenitor (CFU-MK) mobilization, with the highest median peak falling on day 4/5 in all groups. In the pegfilgrastim 18 mg group, the mean peak total CFUs and CFU-MK were statistically significantly higher than in the filgrastim group (2.031x10(4) vs 8.06x10(3) per millilitre, P=0.024 and 1.12x10(4) vs 4.56x10(3) per millilitre, P=0.024, respectively). The kinetic profiles generated using immunohistochemical assays for CFU-MK and FACS analysis for CD41a were closely correlated suggesting that CD41a can be used as a surrogate marker for megakaryocytic mobilization.
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