M.D. Anderson Researchers Find GM-CSF and rIFN-gamma1b Plus Carboplatin Effective For the Treatment of Recurrent, Platinum-Sensitive Ovarian Cancer

Researchers working in the Gynecologic Oncology Department of The University of Texas M.D. Anderson Cancer Center, reported Phase II clinical study results from their evaluation of the use of carboplatin, granulocyte-macrophage colony-stimulating factor (GM-CSF) and recombinant interferon gamma 1b (rIFN-gamma1b) in women with recurrent, platinum-sensitive ovarian, fallopian tube and primary peritoneal cancer. …

Researchers working in the Gynecologic Oncology Department of The University of Texas M.D. Anderson Cancer Center, reported Phase II clinical study results from their evaluation of the use of carboplatin, granulocyte-macrophage colony-stimulating factor (GM-CSF) and recombinant interferon gamma 1b (rIFN-gamma1b) in women with recurrent, platinum-sensitive ovarian, fallopian tube and primary peritoneal cancer.

As part of this Phase II clinical study, patients with recurrent, platinum-sensitive ovarian, fallopian tube or primary peritoneal cancer were treated with subcutaneous GM-CSF and rIFN-gamma1b before and after intravenous carboplatin until their disease progressed or unacceptable toxicity occurred. All patients had measurable disease and a chemotherapy-free interval >6 months. Response was determined using Response Evaluation Criteria In Solid Tumors (RECIST) criteria and CA 125 blood serum levels. Between 2003 and 2007, 59 patients received a median of 6 cycles of therapy (range, 1 to 13 cycles). The median patient age at enrollment was 61 years (range, 35 to 79 years). The median patient time to disease progression prior to clinical study enrollment was 11 months (range, 6 to 58 months).

The M.D. Anderson researchers reported the following results:

Based upon the foregoing results, the researchers concluded that the pre- and post-carboplatin cytokine regimen resulted in a reasonable response and a hematologic profile that could invite further evaluation of its components in the treatment of patients with ovarian cancer.

Primary SourceA phase II study of GM-CSF and rIFN-gamma1b plus carboplatin for the treatment of recurrent, platinum-sensitive ovarian, fallopian tube and primary peritoneal cancer; Schmeler KM, Vadhan-Raj S, Ramirez PT et. al., Gynecol Oncol. 2009 Mar 3. [Epub ahead of print].

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