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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

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-500461-28-06
Acronym
I3Y-MC-JPEG
Enrollment
335
Registered
2022-09-01
Start date
2022-09-15
Completion date
Unknown
Last updated
2025-12-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

High-Risk Metastatic Hormone-Sensitive Prostate Cancer

Brief summary

Radiographic progression-free survival (rPFS) assessed by the investigator.

Detailed description

rPFS by blinded, independent, central review (BICR), Clinical PFS (cPFS), Castration-resistant prostate cancer (CRPC)-free survival, Time to symptomatic progression, Time to PSA progression, Time to initiation of new anticancer therapy, Overall survival (OS)., The safety endpoints evaluated will include, but are not limited to, the following: AEs, TEAEs, SAEs, clinical laboratory tests, ECGs, vital signs, and physical examinations., Concentrations of abemaciclib., Time to pain progression, Time to deterioration in HRQoL measured by the FACT-P (Physical Well-Being and PCS scores) and EQ-5D-5L.

Interventions

DRUGVerzenios 50 mg film-coated tablets
DRUGPREDNISOLONE
DRUGPREDNISONE
DRUGABIRATERONE ACETATE
DRUGPlacebo to Match LY2835219 50-mg Tablets

Sponsors

Eli Lilly Cork Limited, Eli Lilly & Co.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
Male
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Radiographic progression-free survival (rPFS) assessed by the investigator.

Secondary

MeasureTime frame
rPFS by blinded, independent, central review (BICR), Clinical PFS (cPFS), Castration-resistant prostate cancer (CRPC)-free survival, Time to symptomatic progression, Time to PSA progression, Time to initiation of new anticancer therapy, Overall survival (OS)., The safety endpoints evaluated will include, but are not limited to, the following: AEs, TEAEs, SAEs, clinical laboratory tests, ECGs, vital signs, and physical examinations., Concentrations of abemaciclib., Time to pain progression, Time to deterioration in HRQoL measured by the FACT-P (Physical Well-Being and PCS scores) and EQ-5D-5L.

Countries

Belgium, Czechia, Denmark, France, Germany, Greece, Hungary, Italy, Netherlands, Poland, Romania, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026