Talazoparib plus enzalutamide in metastatic castration-resistant prostate cancer: safety analyses from the randomized, placebo-controlled, phase III TALAPRO-2 study

Background - This detailed analysis further characterizes the safety profile of talazoparib plus enzalutamide in the ongoing randomized, phase III TALAPRO-2 study in patients with metastatic castration-resistant prostate cancer (mCRPC). In both the all-comers and homologous recombination repair (HRR...

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Hauptverfasser: Azad, Arun (VerfasserIn) , Fizazi, Karim (VerfasserIn) , Matsubara, Nobuaki (VerfasserIn) , Saad, Fred (VerfasserIn) , De Giorgi, Ugo (VerfasserIn) , Joung, Jae Young (VerfasserIn) , Fong, Peter C. C. (VerfasserIn) , Jones, Robert J. (VerfasserIn) , Zschäbitz, Stefanie (VerfasserIn) , Oldenburg, Jan (VerfasserIn) , Shore, Neal D. (VerfasserIn) , Dunshee, Curtis (VerfasserIn) , Carles, Joan (VerfasserIn) , Fay, Andre P. (VerfasserIn) , Lin, Xun (VerfasserIn) , DeAnnuntis, Liza (VerfasserIn) , Di Santo, Nicola (VerfasserIn) , Zielinski, Michael A. (VerfasserIn) , Agarwal, Neeraj (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: December 2024
In: European journal of cancer
Year: 2024, Jahrgang: 213, Pages: 1-9
ISSN:1879-0852
DOI:10.1016/j.ejca.2024.115078
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1016/j.ejca.2024.115078
Verlag, kostenfrei, Volltext: https://www.sciencedirect.com/science/article/pii/S0959804924012097
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Verfasserangaben:Arun A. Azad, Karim Fizazi, Nobuaki Matsubara, Fred Saad, Ugo De Giorgi, Jae Young Joung, Peter C.C. Fong, Robert J. Jones, Stefanie Zschäbitz, Jan Oldenburg, Neal D. Shore, Curtis Dunshee, Joan Carles, Andre P. Fay, Xun Lin, Liza DeAnnuntis, Nicola Di Santo, Michael A. Zielinski, Neeraj Agarwal

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520 |a Background - This detailed analysis further characterizes the safety profile of talazoparib plus enzalutamide in the ongoing randomized, phase III TALAPRO-2 study in patients with metastatic castration-resistant prostate cancer (mCRPC). In both the all-comers and homologous recombination repair (HRR)-deficient populations, talazoparib plus enzalutamide significantly improved radiographic progression-free survival compared with placebo plus enzalutamide. - Methods - The talazoparib plus enzalutamide safety populations in TALAPRO-2 included 398 patients from cohort 1 (all-comers, unselected for HRR gene alterations) and 198 patients from the combined HRR-deficient population (patients from the all-comers population with HRR gene alterations plus subsequently enrolled patients with HRR gene alterations; cohort 2). Patients received talazoparib 0.5 mg (0.35 mg, moderate renal impairment) and enzalutamide 160 mg once daily. Safety analyses evaluated common treatment-emergent adverse events (TEAE), their type, severity, timing, seriousness, and relationship to study treatment. - Results - In the all-comers (n = 398) and HRR-deficient populations (n = 198), all-cause grade 3/4 (G3/4) TEAEs with talazoparib plus enzalutamide were reported in 71.9 % and 66.2 % of patients, respectively. Most common G3/4 hematologic TEAEs were anemia (46.7 % and 40.9 %, respectively), neutropenia (18.3 % and 18.7 %), and thrombocytopenia (7.3 % and 7.1 %). Median time to event was 3.3 and 3.3 months for G3/4 anemia, 2.3 and 2.3 months for G3/4 neutropenia, and 2.3 and 1.5 months for G3/4 thrombocytopenia. Maximum hemoglobin reduction occurred after 13 and 15 weeks of treatment. 18.8 % and 10.1 % of patients discontinued talazoparib. TEAEs were managed with dose interruption (62.1 % and 57.6 %), reduction (52.8 % and 52.0 %), hematologic supportive care (13.1 % and 10.6 %), and packed red blood cell transfusions (39.2 % and 35.9 %). - Conclusion - Talazoparib plus enzalutamide had a generally manageable safety profile in patients with mCRPC within the all-comers and the HRR-deficient populations. - ClinicalTrials.gov Identifier - NCT03395197 
650 4 |a Controlled clinical trials, Randomized 
650 4 |a Poly(ADP-ribose) Polymerase inhibitors 
650 4 |a Prostatic neoplasms, Castration-resistant 
650 4 |a Safety 
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700 1 |a Shore, Neal D.  |e VerfasserIn  |4 aut 
700 1 |a Dunshee, Curtis  |e VerfasserIn  |4 aut 
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700 1 |a Fay, Andre P.  |e VerfasserIn  |4 aut 
700 1 |a Lin, Xun  |e VerfasserIn  |4 aut 
700 1 |a DeAnnuntis, Liza  |e VerfasserIn  |4 aut 
700 1 |a Di Santo, Nicola  |e VerfasserIn  |4 aut 
700 1 |a Zielinski, Michael A.  |e VerfasserIn  |4 aut 
700 1 |a Agarwal, Neeraj  |e VerfasserIn  |4 aut 
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