Trial reportSignal transduction and targeted therapy2026
Deutenzalutamide, a novel androgen receptor inhibitor, after progression on docetaxel and abiraterone in metastatic castration-resistant prostate cancer: results from the randomized phase III HC-1119-04 trial.
Trial report in Signal transduction and targeted therapy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03851640 (A Multi-Center, Randomized, Double-Blind, Placebo-Controlled Phase III Clinical Trial Evaluating the Efficacy and Safety of HC-1119 Soft Capsules in Patients with Metastatic Castration-Resistant Prostate Cancer), which is not on this map. Not yet cited in PubMed.
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A Multi-Center, Randomized, Double-Blind, Placebo-Controlled Phase III Clinical Trial Evaluating the Efficacy and Safety of HC-1119 Soft Capsules in Patients with Metastatic Castration-Resistant Prostate Cancer (mCRPC) Who Have Failed Treatments with Abiraterone Acetate and Docetaxel.
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24 authors.
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Abstract
Metastatic castration-resistant prostate cancer (mCRPC) after treatment with docetaxel and androgen receptor signaling inhibitors (ARSIs) has limited treatment options. Although enzalutamide has shown activity after abiraterone and docetaxel, robust evidence from randomized phase III trials is lacking. Deutenzalutamide, a novel derivative with slower metabolism and improved pharmacokinetics, may offer enhanced safety and efficacy. This phase III, double-blind trial conducted at 36 centers in China enrolled patients whose disease progressed on or who were intolerant to abiraterone and docetaxel, or who were ineligible for docetaxel. Patients were randomized (2:1) to receive deutenzalutamide 80 mg once daily or placebo until progression or unacceptable toxicity; the primary endpoint was radiographic progression-free survival (rPFS). Of 417 patients (276 deutenzalutamide; 141 placebo), all had previously received abiraterone, and 68% had also received docetaxel. Deutenzalutamide significantly improved rPFS (HR, 0.58; P = 0.0001), reducing the risk of progression by 42%. Although the initial OS analysis was not significant (HR, 0.95), sensitivity analyses adjusting for subsequent therapies showed significant OS benefits (HR, 0.65-0.73). Treatment-related grade 3 or higher adverse events occurred in 22.3% of patients treated with deutenzalutamide, compared with 15.0% with placebo. The most common treatment-related adverse event was anemia, reported at any grade in 21.2% versus 17.9%, with grade 3/4 anemia in 6.6% versus 2.9%, respectively. Notably, no seizures or falls were reported. In summary, deutenzalutamide significantly prolonged rPFS and, after adjustment, showed a potential OS benefit with a favorable safety profile, supporting its promise as a new treatment option for mCRPC. Clinical trial registration: NCT03851640.
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