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No longer recruiting (closed or complete)Last updated: 31 January 2024

CYCLONE 2: This phase II trial is trying to determine how safe and effective the oral drug Abemaciclib is when given together with Abiraterone Acetate plus Prednisone (two other oral drugs) in patients with metastatic castrate resistant prostate cancerA Phase 2, Randomized, Double-Blind, Placebo-Controlled Study of Abiraterone Acetate Plus Prednisone With or Without Abemaciclib in Patients With Metastatic Castration-Resistant Prostate Cancer

Trial purpose

Medical clipboardCancer treatment

Tumor type

Urinary System Cancers Genitourinary

Age

People18+

Trial acronym

CYCLONE 2

Clinical summary

Summary

Participants in this trial will be randomised into an experimental or comparator arm. In the experimental arm, Abiraterone, Prednisone and Abemaciclib will be administered orally. In the comparator arm, Abiraterone and Prednisone will be administered orally, and an oral placebo will be provided in place of Abemaciclib.

Conditions

This trial is treating people with prostate cancer

Eligibility

Inclusion

  • Histologically confirmed adenocarcinoma of the prostate.
  • Metastatic prostate cancer documented by positive bone scan and/or measurable soft tissue metastatic lesions by CT or magnetic resonance imaging (MRI).
  • Progressive disease at study entry demonstrated during continuous androgen-deprivation therapy (ADT)/post orchiectomy defined as one or more of the following:

    • PSA progression
    • Radiographic progression per Response Evaluation Criteria in Solid Tumors (RECIST)1.1 for soft tissue and/or per Prostate Cancer Working Group 3 (PCWG3) for bone, with or without PSA progression
  • Have adequate organ function.
  • Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0-1.

Exclusion

  • Prior therapy with cytochrome P450 (CYP)17 inhibitors.
  • Prior treatment with abemaciclib or any cyclin-dependent kinase (CDK) 4 & 6 inhibitors.
  • Prior cytotoxic chemotherapy for metastatic castration resistant prostate cancer (participants treated with docetaxel in the metastatic hormone-sensitive prostate cancer [mHSPC] are eligible). Prior radiopharmaceuticals for prostate cancer, or prior enzalutamide, apalutamide, darolutamide or sipuleucel-T. Participants who had prior radiation or surgery to all target lesions.
  • Currently enrolled in a clinical study involving an investigational product.
  • Gastrointestinal disorder affecting the absorption or ability to swallow large pills.
  • Clinically significant heart disease, active or chronic liver disease, moderate/severe hepatic impairment (Child-Pugh Class B and C).

Inclusion

  • You are able to swallow medication by mouth.
  • Your cancer has spread to other parts of the body (metastatic) or has grown into nearby parts of the body (locally advanced).

Exclusion

  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
  • You are currently being treated on a clinical trial.
Message

Clinical trials have complex eligibility criteria, and other criteria may apply for this trial. Ask your doctor about whether this trial could be right for you.

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More information

Trial Identifiers

Information on this page is partially produced from ClinicalTrials.gov *. View further details about this trial on the registry via the links below:

Trial sponsor

Eli Lilly and Company

Scientific Title

A Phase 2, Randomized, Double-Blind, Placebo-Controlled Study of Abiraterone Acetate Plus Prednisone With or Without Abemaciclib in Patients With Metastatic Castration-Resistant Prostate Cancer

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