Efficacy and Safety of Cabazitaxel Versus Abiraterone or Enzalutamide in Older Patients with Metastatic Castration-resistant Prostate Cancer in the CARD Study

. 2021 Oct ; 80 (4) : 497-506. [epub] 20210715

Jazyk angličtina Země Švýcarsko Médium print-electronic

Typ dokumentu časopisecké články, randomizované kontrolované studie, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid34274136
Odkazy

PubMed 34274136
DOI 10.1016/j.eururo.2021.06.021
PII: S0302-2838(21)01862-5
Knihovny.cz E-zdroje

BACKGROUND: In the CARD study (NCT02485691), cabazitaxel significantly improved median radiographic progression-free survival (rPFS) and overall survival (OS) versus abiraterone/enzalutamide in patients with metastatic castration-resistant prostate cancer (mCRPC) who had previously received docetaxel and progressed ≤12 mo on the alternative agent (abiraterone/enzalutamide). OBJECTIVE: To assess cabazitaxel versus abiraterone/enzalutamide in older (≥70 yr) and younger (<70 yr) patients in CARD. DESIGN, SETTING, AND PARTICIPANTS: Patients with mCRPC were randomized 1:1 to cabazitaxel (25 mg/m2 plus prednisone and granulocyte colony-stimulating factor) versus abiraterone (1000 mg plus prednisone) or enzalutamide (160 mg). OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Analyses of rPFS (primary endpoint) and safety by age were prespecified; others were post hoc. Treatment groups were compared using stratified log-rank or Cochran-Mantel-Haenszel tests. RESULTS AND LIMITATIONS: Of the 255 patients randomized, 135 were aged ≥70 yr (median 76 yr). Cabazitaxel, compared with abiraterone/enzalutamide, significantly improved median rPFS in older (8.2 vs 4.5 mo; hazard ratio [HR] = 0.58; 95% confidence interval [CI] = 0.38-0.89; p = 0.012) and younger (7.4 vs 3.2 mo; HR = 0.47; 95% CI = 0.30-0.74; p < 0.001) patients. The median OS of cabazitaxel versus abiraterone/enzalutamide was 13.9 versus 9.4 mo in older patients (HR = 0.66; 95% CI = 0.41-1.06; p = 0.084), and it was 13.6 versus 11.8 mo in younger patients (HR = 0.66; 95% CI = 0.41-1.08; p = 0.093). Progression-free survival, prostate-specific antigen, and tumor and pain responses favored cabazitaxel, regardless of age. Grade ≥3 treatment-emergent adverse events (TEAEs) occurred in 58% versus 49% of older patients receiving cabazitaxel versus abiraterone/enzalutamide and 48% versus 42% of younger patients. In older patients, cardiac adverse events were more frequent with abiraterone/enzalutamide; asthenia and diarrhea were more frequent with cabazitaxel. CONCLUSIONS: Cabazitaxel improved efficacy outcomes versus abiraterone/enzalutamide in patients with mCRPC after prior docetaxel and abiraterone/enzalutamide, regardless of age. TEAEs were more frequent among older patients. The cabazitaxel safety profile was manageable across age groups. PATIENT SUMMARY: Clinical trial data showed that cabazitaxel improved survival versus abiraterone/enzalutamide with manageable side effects in patients with metastatic castration-resistant prostate cancer who had previously received docetaxel and the alternative agent (abiraterone/enzalutamide), irrespective of age.

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NCT02485691

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