Anticancer research · 2023
Is it Necessary to Treat all Metastatic Prostate Cancer With Upfront Androgen Receptor Axis-targeted Agents?
СтатьяНазвание и аннотация: Перевод в очереди
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Nakagawa Ryunosuke, Iwamoto Hiroaki, Naito Renato, Kadomoto Suguru, Yaegashi Hiroshi, Kawaguchi Shohei, Nohara Takahiro, Shigehara Kazuyoshi, Izumi Kouji, Kadono Yoshifumi, Mizokami Atsushi
Аннотация
BACKGROUND/AIM: In recent years, initial treatment for patients with high-risk metastatic castration-sensitive (mCS) prostate cancer (PC) has been shifting from vintage hormone therapy to upfront androgen receptor axis-targeted agents (ARAT), but the proportion of Asian patients enrolled in clinical trials investigating the effectiveness of ARAT use is low. We examined the outcomes of Japanese patients with mCSPC who received ARAT as second-line therapy or afterwards.
PATIENTS AND METHODS: Among the PC patients receiving treatment at Kanazawa University Hospital from 2000 to 2019, 190 patients with mCSPC were enrolled in the study. Their characteristics and prognosis were retrospectively investigated.
RESULTS: All patients received androgen deprivation therapy (ADT) as initial treatment. A total of 142 (74.3%) of 190 patients had progression to castration-resistant PC (CRPC), of whom 77 (54.2%) received ARAT as second-line therapy or afterwards. The median overall survival (OS) of CRPC patients was 70.57 months and the median OS from CRPC was 44.88 months. The median OS of LATITUDE high-risk patients that used ARAT after the second-line treatment was 56.15 months, which was significantly longer than that of patients who did not use ARAT (hazard ratio=0.68, 95% confidence interval=0.40-1.15; p=0.0089).
CONCLUSION: The prognosis of LATITUDE high-risk patients with CRPC selected for initial ADT therapy had a good prognosis compared to findings in other studies. These results suggest that there is a possibility that a certain number of patients with LATITUDE high-risk may have good prognosis even if only conventional ADT is performed and ARAT is used after CRPC.
PATIENTS AND METHODS: Among the PC patients receiving treatment at Kanazawa University Hospital from 2000 to 2019, 190 patients with mCSPC were enrolled in the study. Their characteristics and prognosis were retrospectively investigated.
RESULTS: All patients received androgen deprivation therapy (ADT) as initial treatment. A total of 142 (74.3%) of 190 patients had progression to castration-resistant PC (CRPC), of whom 77 (54.2%) received ARAT as second-line therapy or afterwards. The median overall survival (OS) of CRPC patients was 70.57 months and the median OS from CRPC was 44.88 months. The median OS of LATITUDE high-risk patients that used ARAT after the second-line treatment was 56.15 months, which was significantly longer than that of patients who did not use ARAT (hazard ratio=0.68, 95% confidence interval=0.40-1.15; p=0.0089).
CONCLUSION: The prognosis of LATITUDE high-risk patients with CRPC selected for initial ADT therapy had a good prognosis compared to findings in other studies. These results suggest that there is a possibility that a certain number of patients with LATITUDE high-risk may have good prognosis even if only conventional ADT is performed and ARAT is used after CRPC.