JCO precision oncology · 2026
Palbociclib in Patients With Ovarian Cancer With CDKN2A Alterations: Results From the Targeted Agent and Profiling Utilization Registry Study.
СтатьяКлиническое исследование II фазыНазвание и аннотация: Перевод в очереди
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Veljovich Dan S, Rothe Michael, Garrett-Mayer Elizabeth, Ali-Ahmad Hussein M, Naumann R Wendel, Siedel Jean, Chan John K, Gregory Andrew, Pisick Evan, Adesunloye Bamidele, Arend Rebecca C, Bell Maria, Frimer Marina, Tawfik Bernard, Thota Ramya, Tsimberidou Apostolia M, Mangat Pam K, Hinshaw Dominique C, Gregory Abigail, Grantham Gina N, Halabi Susan, Schilsky Richard L
Аннотация
PURPOSE: The Targeted Agent and Profiling Utilization Registry Study is a phase II basket trial evaluating the antitumor activity of commercially available targeted agents in patients with advanced cancer and genomic alterations. Results of a cohort of patients with ovarian cancer (OC) with CDKN2A alterations treated with palbociclib are reported.
METHODS: Eligible patients had advanced OC, measurable disease (RECIST), Eastern Cooperative Oncology Group performance status 0-2, adequate organ function, tumors with CDKN2A alterations, and no remaining standard treatment options. The primary end point was disease control (DC), defined as objective response (OR) or stable disease (SD) of at least 16+ weeks duration (SD16+). Simon two-stage design with a null DC rate of 15% versus 35% (power = 0.85; α = .10) was used. Secondary end points included OR, progression-free survival (PFS), overall survival (OS), duration of response, duration of SD, and safety.
RESULTS: Twenty-eight patients were enrolled from February 2017 to April 2023, and all had OC with a CDKN2A alteration (loss [n = 21], mutation [n = 5], and loss and mutation [n = 2]). One patient was not evaluable for efficacy because of an excluded genomic finding. Three patients had a partial response and seven had SD16+ for DC and OR rates of 38% (90% CI, 25 to 100) and 11% (95% CI, 2 to 29), respectively. The null hypothesis of 15% DC rate was rejected (P = .004). The median PFS was 8 weeks (95% CI, 8 to 18) and the median OS was 33 weeks (95% CI, 24 to 73). Nineteen patients (68%) had at least one treatment-related grade 3-4 adverse event (AE) or serious AE including anemia, dyspnea, fatigue, leukopenia, neutropenia, and thrombocytopenia.
CONCLUSION: Palbociclib met the prespecified criteria to declare a signal of activity in patients with OC and CDKN2A alterations.
METHODS: Eligible patients had advanced OC, measurable disease (RECIST), Eastern Cooperative Oncology Group performance status 0-2, adequate organ function, tumors with CDKN2A alterations, and no remaining standard treatment options. The primary end point was disease control (DC), defined as objective response (OR) or stable disease (SD) of at least 16+ weeks duration (SD16+). Simon two-stage design with a null DC rate of 15% versus 35% (power = 0.85; α = .10) was used. Secondary end points included OR, progression-free survival (PFS), overall survival (OS), duration of response, duration of SD, and safety.
RESULTS: Twenty-eight patients were enrolled from February 2017 to April 2023, and all had OC with a CDKN2A alteration (loss [n = 21], mutation [n = 5], and loss and mutation [n = 2]). One patient was not evaluable for efficacy because of an excluded genomic finding. Three patients had a partial response and seven had SD16+ for DC and OR rates of 38% (90% CI, 25 to 100) and 11% (95% CI, 2 to 29), respectively. The null hypothesis of 15% DC rate was rejected (P = .004). The median PFS was 8 weeks (95% CI, 8 to 18) and the median OS was 33 weeks (95% CI, 24 to 73). Nineteen patients (68%) had at least one treatment-related grade 3-4 adverse event (AE) or serious AE including anemia, dyspnea, fatigue, leukopenia, neutropenia, and thrombocytopenia.
CONCLUSION: Palbociclib met the prespecified criteria to declare a signal of activity in patients with OC and CDKN2A alterations.