Skip to content

CER-1236 in Patients With Acute Myeloid Leukemia (AML), Myelodysplastic Syndrome (MDS), and Myelofibrosis (MF)

Phase 1/1b First-in-human Study of Autologous Chimeric Engulfment Receptor T-Cell CER-1236 in Patients With Acute Myeloid Leukemia, Myelodysplastic Syndrome, and Myelofibrosis (CertainT-1)

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06834282
Acronym
CertainT-1
Enrollment
18
Registered
2025-02-19
Start date
2025-04-07
Completion date
2029-12-31
Last updated
2026-08-26

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

Conditions

Acute Myeloid Leukemia, AML, Refractory Acute Myeloid Leukemia

Keywords

Relapsed Acute Myeloid Leukemia

Brief summary

This is a first in human, multi center, open label, phase 1/1b study to evaluate the safety and preliminary efficacy of CER-1236 in patients with relapsed/refractory (R/R), measurable residual disease (MRD) positive acute myeloid leukemia (AML), or TP53mut disease.

Detailed description

CER-1236 is a first in class chimeric engulfment receptor T-cell therapy candidate that targets the Tim4 ligand. This is a first in human, multi center, open label, phase 1/1b study to evaluate the safety and preliminary efficacy of CER-1236 in patients with relapsed/refractory (R/R), measurable residual disease (MRD) positive acute myeloid leukemia (AML), or TP53mut disease. The study is divided into Part 1 (escalation phase) and Part 2 (expansion phase). Part 1 (Escalation Phase): The primary objectives of Part 1 are to define the safety of different doses of CER-1236 and to define the recommended dose for Part 2 (RP2D) of CER-1236. Part 2 (Expansion Phase): The objective of the Part 2 expansion cohort is to evaluate the safety and efficacy of CER-1236 in patients with acute myeloid leukemia.

Interventions

DRUGCER-1236

an autologous chimeric engulfment receptor T-cell

DRUGCyclophosphamide

Lymphodepleting chemotherapy

DRUGFludarabine

Lymphodepleting chemotherapy

DRUGMesna

Chemoprotectant

Sponsors

CERo Therapeutics Holdings, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

Multiple ascending dose and dose expansion study of CER-1236 administered as a single agent.

Eligibility

Sex/Gender
ALL
Age
18 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

* Patients need to have a confirmed diagnosis of de novo or secondary AML, or myelodysplastic syndrome (MDS)/AML with 10% to 19% blasts, per the International Consensus Classification 2022 or the WHO 2022 classification. * Absolute lymphocyte count \>0.3 x 109/L prior to apheresis. * Eastern cooperative oncology group (ECOG) performance status 0 to 1.

Exclusion criteria

* Prior therapy with a permanently integrated, genetically modified cell product. * No measurable leukemia on the screening bone marrow evaluation prior to any bridging therapy. * Active autoimmune disease or history of autoimmune disease requiring treatment within the prior 2 years. Patients with history of autoimmune thyroiditis or type 1 diabetes well controlled on replacement regimen are eligible. * A known hypersensitivity or severe allergy to fludarabine, cyclophosphamide, or study drug components or diluents. * Any other medical, psychological, or social condition that may interfere with study participation or compliance, or compromise patient safety in the opinion of the physician. * Primary immunodeficiency disorder.

Design outcomes

Primary

MeasureTime frameDescription
Incidence of adverse events (AEs) and serious adverse events (SAEs) - (Part 1)2 yearEscalation Period
Incidence of dose-limiting toxicities (DLTs) of CER-1236 Monotherapy - (Part 1)28 daysEscalation Period
Estimation of the objective response rate (ORR), complete response (CR), composite complete response (cCR), and measurable residual disease (MRD) negativity rates - (Part 2)2 yearsExpansion Period

Secondary

MeasureTime frameDescription
Estimation of the objective response rate (ORR), complete response (CR), composite complete response (cCR), and measurable residual disease (MRD) negativity rates - (Part 1)2 yearsEscalation Period
PK (Cmax) of CER-1236 - (Part 1)2 yearsEscalation Period
PK (AUC) of CER-1236 - (Part 1)2 yearEscalation Period
Incidence of adverse events (AEs) and serious adverse events (SAEs) - (Part 2)2 yearsExpansion Period

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 27, 2026