On March 12, 2020 BridgeBio Pharma, Inc. (Nasdaq: BBIO) affiliate company QED Therapeutics reported that patients have been dosed in separate Phase 3 and Phase 2 clinical trials of infigratinib in cancer indications (Press release, BridgeBio, MAR 12, 2020, View Source [SID1234556926]).
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The Phase 3 PROOF 302 trial sponsored by QED is studying infigratinib for the adjuvant (post-surgery) treatment of invasive urothelial carcinoma. A second, investigator-initiated trial, led by Sameek Roychowdhury, M.D., Ph.D., of The Ohio State University (OSU) Comprehensive Cancer Center, is studying infigratinib for the treatment of advanced and metastatic solid tumors with confirmed FGFR gene fusions/translocations or other FGFR alterations.
In the PROOF 302 trial, investigators are enrolling subjects with invasive urothelial cancer harboring susceptible FGFR3 genetic alterations who are at high risk of recurrence following surgical resection. Subjects will be randomized (1:1) to receive once daily oral infigratinib or placebo. The primary outcome is disease-free survival, and secondary outcomes include metastasis-free survival, overall survival, and safety and tolerability measures.
"Many patients with invasive urothelial carcinoma will have their cancer recur within two years after surgery," said PROOF 302 trial lead Sumanta Pal, M.D., professor of medical oncology and therapeutics research at City of Hope Comprehensive Cancer Center. "Correspondingly, I believe there are many patients who could benefit from an oral, post-surgery treatment option that targets FGFR3 alterations, the genetic driver of many urothelial carcinomas."
The Phase 2 study at OSU and selected sites within the Oncology Research Information Exchange Network (ORIEN) will evaluate the efficacy of infigratinib in patients who have advanced or metastatic solid tumors that are positive for FGFR1-3 gene fusions/translocations or other FGFR alterations. The open-label study will assess overall response rate as the primary outcome. Secondary outcomes include progression-free survival, best overall response, disease control rate, overall survival and measures of safety and tolerability.
"Increasingly, oncologists are learning to classify their patients’ cancers based on genetic mutations, going beyond the origin of the tumor," noted Dr. Roychowdhury. "Given the activity we have seen with infigratinib in FGFR2-fusion-driven bile duct cancers and FGFR3-altered urothelial carcinoma, our hope is that infigratinib will demonstrate similar activity in additional cancers that appear to be driven by alterations in FGFR. There appear to be multiple FGFR alterations that can drive cancer growth—and we hope to see these patients benefit too."
For additional information on the PROOF 302 trial, including eligibility, patients should ask their physician, visit clinicaltrials.gov, or email [email protected].
For additional information on the Phase 2 trial in metastatic solid tumors with FGFR gene alterations, including eligibility, patients should ask their physician, visit clinicaltrials.gov, or email [email protected].