Granulocyte macrophage colony-stimulating factor (GM-CSF) is an immunostimulant and preliminary data suggests it may change the natural history of prostate cancer and melanoma. This study looks at ability of GM-CSF to alter disease progression in women who have recurrent but asymptomatic recurrence of their ovarian cancer.
This is an open labeled, single arm phase II study of GM-CSF, sargramostim delivered daily without a break in a population of healthy and fit women with evidence of recurrent but asymptomatic mullerian malignancy (such as ovarian cancer, fallopian tube cancer, or primary peritoneal cancer). The main goal is to determine the time to treatment termination due to disease progression or toxicity.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
72
GM-CSF subcutaneous injection
Median Time to Treatment Termination (TTT)
TTT is the median time in days to discontinuing treatment with GM-CSF, sargramostim (treatment termination) e.g. time on study until progression of disease, unacceptable adverse effects, bowel obstruction, development of new ascites or pleural effusions, initiation of systemic chemotherapy, participant death, development of co-morbid diseases which make participant continuation on the trial unsafe in the judgment of the principal investigator or the treating physician or withdrawal of consent by the participant.
Time frame: Up to 460 days
Median Time to Progression (TTP)
TTP was defined as the median time in days from trial entry until progressive disease (PD) was documented as defined by RECIST criteria. PD was defined of at least a 20% increase in the sum of the longest diameter (LD) of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions. In participants with no measurable disease who had an informative cancer antigen-125 (CA-125), PD was defined as a rise of \> 50% over Baseline, confirmed by a subsequently higher value at least 21 days later.
Time frame: Up to 60 months
Tumor Response Rate (RR)
RR is the percentage of patients with response as assessed by the investigator using Response Evaluable Criteria in Solid Tumors (RECIST) and CA-125 Rustin criteria. Complete Response (CR) is the disappearance of all target and non-target lesions and normalization of CA-125. Partial Response (PR) is at least a 30% decrease in the sum of the LD of target lesions, taking as reference the baseline sum LD; in patients with no measurable disease with an informative CA-125, the 75% definitions by Rustin is used. Stable Disease is neither sufficient shrinkage for PR nor increase for PD, taking as reference the smallest sum LD since the treatment start. PD is at least a 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since treatment start or the appearance of one or more new lesions; in patients with no measurable disease with an informative CA-125, PD is defined as a rise of \> 50% over baseline, confirmed by a higher value 21 days later.
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Time frame: Up to 60 months
Number of Participants With Adverse Events (Toxicity) Grade 3 or 4
Adverse Events (previously toxicity) were graded according the National Cancer Institute (NCI) Common Toxicity Criteria (CTC), version 3.0. The total number of participants with adverse events graded 3 (severe) or 4 (life-threatening or disabling) are reported.
Time frame: Up to 460 days