Stanford University, School of Medicine
Stanford, California, 94305, United States
NCT Number: NCT01806675
The purpose of the study is to conduct research of a new PET radiopharmaceutical in cancer patients. The uptake of the novel radiopharmaceutical 18F-FPPRGD2 will be assessed in study participants with glioblastoma multiforme (GBM), gynecological cancers, and renal cell carcinoma (RCC) who are receiving antiangiogenesis treatment.
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Notify Me18 year and older
All sexes
Interventional
Phase 1 / Phase 2
Stanford, California, 94305, United States
PRIMARY OBJECTIVE
SECONDARY OBJECTIVE
OUTLINE:
Patients undergo 18F-FPPRGD2 and 18F-FDG PET/CT or PET/MRI medical imaging at baseline and at regular medical care follow-up (6 to 12 weeks).
After completion of study imaging, patients are followed up at 12 months.
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
18F-FDG will be used as the radiotracer for a regular medical care PET/CT or PET/MRI scan
Other names: Fludeoxyglucose F-18, 18-FDG, FDG
18F-FPPRGD2 will be used as the radiotracer for a PET/CT or PET/MRI scan. Participants will be injected with less than 10 mCi of 18F-FPPRGD2.
Other names: (18F)-2-fluoropropionyl-labeled PEGylated dimeric arginine-glycine-aspartic acid peptide, [PEG3-E{c(RGDyk)}2], fluorine-18-FPPRGD2, [18F]-FPPRGD2, 2-fluoropropionyl-labeled pegylated dimeric RGD peptide, 104150
Time frame: At baseline and 6 weeks
Maximum standard uptake values (SUVmax) were assessed on the basis of position emission tomography (PET) scans using radiotracers 18F-FPPRGD2 and 18F-FDG at baseline and at regular medical care follow-up (6 to 12 weeks after initiation of treatment). The outcome is assessed as the difference in the maximum standard uptake values (SUVmax) values from baseline to follow-up for the 2 radiotracers, and will be reported for each disease type as the median with standard deviation.
Time frame: At baseline and 6 weeks
The treatment effect for participants with glioblastoma multiforme was to be assessed on the basis of post-treatment evaluation per the Response Assessment in Neuro-Oncology (RANO) Criteria. The outcome was the number & proportion of participants that achieved either a complete response (CR) or partial response (PR), a number without dispersion. RANO criteria are:
CR= No T1 gadolinium (T1-G); T2-weighted-Fluid-Attenuated Inversion Recovery (T2/FLAIR) stable/decreased, no new lesions; no corticosteroids; clinical condition improved/stable.
PR= ≥50% decrease in T1-G; T2/FLAIR decreased/stable ; no new lesions; decreased/stable corticosteroids; clinical condition improved/stable.
Stable disease (SD)= <50% decrease, but more than 25% increase, in T1-G; T2/FLAIR decreased/stable; no new lesions; decreased/stable corticosteroids; clinical condition improved/stable.
Progressive disease (PD)= ≥25%increase T1-G; T2/FLAIR increased; increased corticosteroids; clinical condition decreased
Time frame: 9 to 12 weeks
The treatment effect for participants with gynecological cancers (GYN) and renal cell carcinoma (RCC) was assessed on the basis of change in tumor size as determined by pre- and post-treatment CT scans. The outcome is reported as the difference at treatment follow-up, reported as the median with standard deviation.
Time frame: At baseline and 6 weeks
Tumor Response Rate by EORTC Criteria Tumor response rates were assessed from position emission tomography (PET) scans using 18F-FPPRGD2 & 18F-FDG at baseline & after 6 weeks of treatment, per European Organization for Research & Treatment of Cancer (EORTC) response criteria. The outcome is reported for each radiotracer by disease group as the number of participants achieving complete response (CR), partial response (PR), stable disease (SD), & progressive disease (PD).
Time frame: 1 year
Progression-free survival (PFS) was defined as remaining alive at 1 year with disease progression, according to the physician's assessment of clinical status, by disease group.
Sanjiv Sam Gambhir
Other
Phase 1-2 18F-FPPRGD2 PET/CT or PET/MRI Imaging of αvβ3 Integrins Expression as a Biomarker of Angiogenesis
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View the official ClinicalTrials.gov record (opens in a new tab)This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.
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