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Prostatic NeoplasmsPhase 1NCT04428788

Study to Evaluate the Safety and Tolerability of CC-94676 in Participants With Metastatic Castration-Resistant Prostate Cancer

A Phase 1 study testing CC-94676, CC1083611 and CC1083610 in people with Prostatic Neoplasms, run by Celgene at 19 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to assess the safety, tolerability and preliminary efficacy of CC-94676 in men with progressive metastatic castration resistant prostate cancer. Read more about this study

Who is it for?
Ages 18 years and older, men only
Conditions the study is for
Prostatic Neoplasms
What is being tested?
CC-94676, CC1083611 and CC1083610
Could I receive a placebo?
No, everyone receives an active treatment
How many people
131 participants
Where
19 sitesUnited States
Study dates
22 Jun 2020to 28 Oct 2025
Phase
Phase 1
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • Men only
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Must have histologically or cytologically confirmed adenocarcinoma of the prostate
  • Progressed on androgen deprivation therapy (ADT) and at least one prior secondary hormonal therapy approved for castration-resistant prostate cancer (CRPC)
  • Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0 or 1

Who cannot join

  • Prior treatment with an androgen receptor (AR) degrader
  • Concurrent malignancy (present during screening) requiring treatment or history of prior malignancy active within 1 year prior to the first dose of IP
  • Clinically significant venous thromboembolism within 3 months prior to the first dose of IP
  • Any significant medical condition, such as uncontrolled infection, laboratory abnormality, or psychiatric illness
  • Other protocol-defined inclusion/exclusion criteria apply

Trial locations and contacts

19 sites in 1 country.

19 sites in 1 country

United States19 sites
  • Local Institution - 120

    Allentown, Pennsylvania, 18103

  • Local Institution - 117

    Ann Arbor, Michigan, 48109

  • Local Institution - 108

    Baltimore, Maryland, 21287

  • Local Institution - 104

    Boston, Massachusetts, 02215

  • Local Institution - 107

    Dallas, Texas, 75235

  • Local Institution - 106

    Durham, North Carolina, 27710

  • Local Institution - 102

    Grand Rapids, Michigan, 49546

  • Local Institution - 119

    Houston, Texas, 77030

  • Local Institution - 111

    Madison, Wisconsin, 53792

  • Local Institution - 112

    New York, New York, 10029

  • Local Institution - 109

    New York, New York, 10032

  • Local Institution - 105

    New York, New York, 10065

  • Local Institution - 113

    Philadelphia, Pennsylvania, 19104

  • Local Institution - 101

    San Antonio, Texas, 78229

  • Local Institution - 103

    Sarasota, Florida, 34232

  • Local Institution - 115

    Seattle, Washington, 98109

  • Local Institution - 116

    Stanford, California, 94305-5826

  • Local Institution - 121

    Thomasville, Georgia, 31792

  • Local Institution - 122

    Washington D.C., District of Columbia, 20010

Other trials in United States

About this study

Official title: A Phase 1, Multi-center, Open-label, Dose Finding Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Cc-94676 in Subjects With Metastatic Castration-resistant Prostate Cancer

The purpose of this study is to assess the safety, tolerability and preliminary efficacy of CC-94676 in men with progressive metastatic castration resistant prostate cancer.

Being tested
CC-94676, CC1083611, CC1083610
Keywords
Prostate Cancer, CC-94676, Castration-resistant prostate cancer, Adenocarcinoma of the prostate, Prostatic Neoplasms Castration-Resistant, Neoplasms
Medical subject headings
Prostatic Neoplasms, Prostatic Neoplasms, Castration-Resistant, Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • CC-94676Drug

    Also called BMS-986365

    Specified dose on specified days

  • CC1083611Drug

    Also called BMS-986409

    Specified dose on specified days

  • CC1083610Drug

    Also called BMS-986410

    Specified dose on specified days

Study groups in NCT04428788
Study groupRoleWhat they receive
Administration of CC-94676, CC1083611, and CC1083610ExperimentalNot described
Receives: Drug: CC-94676; Drug: CC1083611; Drug: CC1083610

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Number of participants with adverse events (AEs) evaluated using the NCI CTCAE v5.0 criteria

    Measured: From the time of consent at screening until 28 days after thesubject discontinues study treatment.

  2. Dose-limiting toxicity (DLT)

    Measured: Up to 35 days

  3. Non-tolerated dose (NTD)

    Measured: Up to 35 days

  4. Maximum tolerated dose (MTD)

    Measured: Up to 35 days

Secondary outcomes (11)
  1. Confirmed Prostate Specific Antigen (PSA) decline of ≥ 50% from baseline (PSA50)

    Measured: Up to approximately 4 years

  2. Objective soft tissue response defined by complete response (CR) or partial response (PR) per Prostate Cancer Clinical Trials Working Group 3 (PCWG3)

    Measured: Up to approximately 4 years

  3. Duration of response (DOR)

    Measured: Up to approximately 4 years

  4. Proportion of participants alive and not progressed at 6 months

    Measured: Up to 6 months after treatment is discontinued

  5. PSA Progression Free Survival (PFS)

    Measured: Up to approximately 4 years

  6. Radiographic progression free survival (rPFS)

    Measured: Up to approximately 4 years

  7. Overall survival (OS)

    Measured: Up to approximately 4 years

  8. Overall Survival (OS) rate summarized using the Kaplan-Meier method for the treated population

    Measured: Up to approximately 4 years

  9. Pharmacokinetics - Area under the plasma concentration time curve (AUC)

    Measured: Up to 35 days

  10. Pharmacokinetics - Maximum plasma concentration (Cmax)

    Measured: Up to 35 days

  11. Pharmacokinetics - Time to Cmax (Tmax)

    Measured: Up to 35 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted11 Jun 2020
  2. Study start22 Jun 2020
  3. Primary completion28 Oct 2025
  4. Study completion28 Oct 2025

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Sequential
Masking
None (open label)
Enrolment
131 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04428788
Sponsor's protocol ID
CC-94676-PCA-001
Other IDs
U1111-1251-9174
Status last verified
Dec 2025
First submitted
29 May 2020
Last updated
22 Dec 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: Information relating to our policy on data sharing and the process for requesting data can be found at the following link: https://www.celgene.com/research-development/clinical-trials/clinical-trials-data-sharing/

Publications

  • Rathkopf DE, Patel MR, Choudhury AD, Rasco D, Lakhani N, Hawley JE, Srinivas S, Aparicio A, Narayan V, Runcie KD, Emamekhoo H, Reichert ZR, Nguyen MH, Wells AL, Kandimalla R, Liu C, Suryawanshi S, Han J, Wu J, Arora VK, Pourdehnad M, Armstrong AJ. Safety and clinical activity of BMS-986365 (CC-94676), a dual androgen receptor ligand-directed degrader and antagonist, in heavily pretreated patients with metastatic castration-resistant prostate cancer. Ann Oncol. 2025 Jan;36(1):76-88. doi: 10.1016/j.annonc.2024.09.005. Epub 2024 Sep 16.

    PubMed 39293515

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing CC-94676, CC1083611 and CC1083610 in people with Prostatic Neoplasms, run by Celgene at 19 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 22 Dec 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 19 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Number of participants with adverse events (AEs) evaluated using the NCI CTCAE v5.0 criteria (time frame: From the time of consent at screening until 28 days after thesubject discontinues study treatment.). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT04428788, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Dec 2025.

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