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FIGHT‐102: A phase 1 study of pemigatinib in Japanese patients with advanced malignancies
- Source :
- Cancer Medicine, Vol 12, Iss 9, Pp 10597-10611 (2023)
- Publication Year :
- 2023
- Publisher :
- Wiley, 2023.
-
Abstract
- Abstract Background FIGHT‐102 was a phase 1, dose‐escalation, dose‐expansion study of pemigatinib in Japanese patients with advanced solid tumors. Here, we report safety, tolerability, and preliminary efficacy of pemigatinib from FIGHT‐102. Methods Patients (≥20 years old) self‐administered oral pemigatinib 9, 13.5, or 18 mg QD on intermittent dosing (Part 1) or 13.5 mg QD intermittent or continuous dosing (Part 2). A dosing cycle was 21 days (2 weeks on/1 week off or 21 continuous days). Primary endpoint was safety. Secondary endpoints were pharmacokinetics, pharmacodynamics, and preliminary efficacy. Results Forty‐four patients (Part 1, n = 14; Part 2, n = 30) were enrolled; most common tumors, cholangiocarcinoma, n = 8; esophageal, n = 6; 26 patients had confirmed FGF/FGFR alterations (Part 1, n = 3; Part 2, n = 23); 70.5% had ≥3 prior systemic therapies. Maximum tolerated dose was not identified. The recommended phase 2 dosage was determined to be 13.5 mg QD. Most common treatment‐emergent adverse events (TEAEs) were hyperphosphatemia (81.8%), dysgeusia (45.5%), stomatitis (43.2%), and alopecia (38.6%); most frequent Grade ≥3 TEAEs were anemia and decreased appetite (9.1% each). In Part 1, no patient achieved partial response (PR) or complete response, and 7 (50.0%) patients had stable disease (SD). In Part 2, 5 (16.7%) patients achieved PR (one each with cholangiocarcinoma, gall bladder cancer, breast cancer, urothelial tract/bladder cancer, and sweat gland carcinoma) and 6 (20%) had SD. Median duration of response was 9.56 months (95% CI: 4.17, 14.95). Conclusions Pemigatinib demonstrated manageable adverse events, consistent pharmacokinetics and pharmacodynamics profiles, and preliminary efficacy in Japanese patients with advanced solid tumors.
Details
- Language :
- English
- ISSN :
- 20457634
- Volume :
- 12
- Issue :
- 9
- Database :
- Directory of Open Access Journals
- Journal :
- Cancer Medicine
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.9baedb4c4d12487081450e5da764609a
- Document Type :
- article
- Full Text :
- https://doi.org/10.1002/cam4.5798