CI

At a glance

ClinicalIndex Comparison Record
Phase 3Active· 925 enrolled
Drug / intervention
Abemaciclib +3 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05288166
NCT05288166Phase 3Active

CYCLONE 3: A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study of Abemaciclib in Combination With Abiraterone Plus Prednisone in Men With High-Risk Metastatic Hormone-Sensitive Prostate Cancer

Eli Lilly and Company·interventional·Posted Mar 21, 2022·Updated Jun 27, 2025

In Brief

A Phase 3 clinical trial evaluating Abemaciclib, Abiraterone, and 2 other interventions for Prostatic Neoplasms and 16 related conditions. Active but no longer recruiting, targeting 925 participants across 266 sites in 24 countries.

Detailed Summary

The purpose of this study is to learn whether adding abemaciclib to abiraterone plus prednisone prolongs the time before prostate cancer gets worse. Participation may last approximately 60 months.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesArgentina, Australia, Belgium, Brazil, Canada, China, Czechia, France, Germany, Greece, Hungary, Israel, Italy, Japan, Mexico, Netherlands, Poland, Romania, South Korea, Spain, Taiwan, Turkey (Türkiye), United Kingdom, United States
Collaborators--

Timeline

Phase 3Active
20232024202520262027
First PostedMar 21, 2022
Enrollment StartApr 14, 2022
Primary CompletionFeb 15, 2024
Study CompletionOct 1, 2027
TodayJul 2, 2026
Enrollment to primary: 1.8 yearsPosted 4.3 years ago

Interventions

Abemaciclibdrug

Administered orally.

Abirateronedrug

Administered orally.

Prednisone or Prednisolonedrug

Administered orally.

Placebo for Abemaciclibdrug

Administered orally.