A Phase 1, Open-label, Dose Finding Study of CC-95251 Alone and in Combination With Antineoplastic Agents in Subjects With Acute Myeloid Leukemia and Myelodysplastic Syndromes

What's the purpose of this trial?

The purpose of this study is to evaluate the safety, tolerability, and preliminary clinical activity of CC-95251 alone and in combination with antineoplastic agents in participants with relapsed or refractory acute myeloid leukemia and relapsed or refractory and treatment-naive higher risk melodysplastic syndromes.

This trial is currently open and accepting patients.

What will happen during the trial?

You may be able to join this trial if you:

The following criteria is a partial list of reasons why patients may be eligible to participate in this clinical trial. Further evaluation with a medical professional is required.

Inclusion Criteria:

• Eastern Cooperative Oncology Group Performance Status of 0 to 2

For Parts A \& B:

* Relapsed or refractory (R/R) acute myeloid leukemia (AML) as defined by the 2016 WHO Classification
* R/R myelodysplastic syndromes (MDS) as defined by the 2016 WHO Classification with intermediate, high or very high risk by Revised International Prognostic Scoring System (IPSS-R)

For Part C:

• Treatment-naïve (TN) (ie, previously untreated) MDS as defined by the 2016 WHO Classification with intermediate, high or very high risk by IPSS-R

For Part D:

• TN AML as defined by the 2016 WHO Classification, including secondary AML and therapy-related AML in participants who are ineligible (IE) for intensive chemotherapy (IC) and allogeneic hematopoietic stem cell transplant (HSCT)

Exclusion Criteria:

* Acute promyelocytic leukemia
* Immediately life-threatening, severe complications of leukemia such as disseminated/uncontrolled infection, uncontrolled bleeding, and/or uncontrolled disseminated intravascular coagulation
* Participants who have received prior treatment with a CD47 or SIRPα targeting agent
* Participant is on chronic systemic immunosuppressive therapy or corticosteroids
* Prior systemic cancer-directed treatments or investigational modalities ≤ 5 half-lives or 4 weeks prior to starting study treatment, whichever is shorter (relapsed or refractory participants only).
* Any condition including, active or uncontrolled infection, or the presence of laboratory abnormalities, which places the participant at unacceptable risk if he/she were to participate in the study
* Pregnant or nursing participants.

Other protocol-defined inclusion/exclusion criteria apply

Additional Trial Information

Phase 1

Enrollment: 218 patients (estimated)

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Trial Locations

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UCLA Medical Center of Hematology/Oncology

Los Angeles, CA

Open and Accepting

Stanford Cancer Institute (Palo Alto)

Stanford, CA

Open and Accepting



MD Anderson Cancer Center The University of Texas

Houston, TX

Open and Accepting
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