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IOV-2001

Phase 1

Chronic Lymphocytic Leukemia | Monoclonal antibody | Oncology |Iovance Biotherapeutics, Inc.|Trials Updated: Dec 24, 2025

IOV-2001 development status

Highest phase Phase 1
Registered trials 1 across 1 sponsor since Nov 2019

IOV-2001 target and mechanism

ModalityMonoclonal antibody

Also known as Autologous PBL

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDBiomarker
Total Trials1
Total Enrollment7

FDA Designations

No designations recorded

IOV-2001 clinical trials

IOV-2001 · 1 trial · 2 indications

Phase 1 1
NCT04155710Study of Autologous Peripheral Blood Lymphocytes in the Treatment of Patients With CLL or SLLChronic Lymphocytic Leukemia
COMPLETED7 Analytics
PHASE1COMPLETED
Study of Autologous Peripheral Blood Lymphocytes in the Treatment of Patients With CLL or SLL
Chronic Lymphocytic LeukemiaUnlock trial analytics

Study Endpoints

Primary Endpoints

Phase I: RP2D (Recommended Phase 2 Dose)
up to one year or depending on when the recommended phase 2 dose is determined

to determine the recommended Phase 2 dose of IOV-2001 followed by interleukin-2 (IL-2)

Phase 2: Objective Response Rate
up to two years

To evaluate efficacy of the RP2D of IOV-2001 followed by IL-2 as measured by objective response rate (ORR) per investigator assessment

Secondary Endpoints

Phase 1: Adverse Events
up to one year or depending on when the recommended phase 2 dose is determined
Phase 1: Disease Assessment
up to two years
Phase 2: Disease Assessment (Separately for each cohort)
up to two years
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Cohort 1aEXPERIMENTALCLL/SLL patients whose disease has relapsed or is relapsing post ibrutinib or acalabrutinib therapy. Patients will receive IOV-2001 + low dose IL-2.
Cohort 1bEXPERIMENTALCLL/SLL patients whose disease has relapsed or is relapsing post ibrutinib or acalabrutinib therapy. Patients will receive IOV-2001 + high dose IL-2.
Cohort 2EXPERIMENTALCLL/SLL patients with del 17p who progressed or are progressing on ibrutinib or acalabrutinib therapy. Patients will receive IOV-2001 + IL-2.
Cohort 3EXPERIMENTALCLL/SLL patients without del 17p who progressed or progressing on ibrutinib or acalabrutinib therapy. Patients will receive IOV-2001 + IL-2.

Interventions

NameTypeDescription
IOV-2001BIOLOGICALAdoptive cell therapy (ACT) manufactured from peripheral blood lymphocytes (PBL). The final investigational product is a cryopreserved cell suspension.
Low dose IL-2DRUG6 doses of subcutaneous (SC) LD-IL-2 (9 MIU every 8-12 hours) will follow the infusion of IOV-2001
High dose IL-2DRUG6 doses of IV HD-IL-2 (600,000 IU/kg Q8-12H will follow the infusion of IOV-2001
IL-2DRUG6 doses of IL-2 will follow the infusion of IOV-2001
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Eligibility Criteria

Age Range18 Years to 70 Years
SexALL
Healthy VolunteersNo
Study Sites7

Inclusion Criteria: 1. Patients with CLL or SLL with radiographically measurable disease * Cohort 2 only: patients with progressed or progressing CLL/SLL on ibrutinib or acalabrutinib with del 17p and/or TP53 mutated * Cohort 3 only: patients with progressed or progressing CLL/SLL on ibrutin...

Countries:United States
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Frequently asked questions about IOV-2001

What is IOV-2001?

IOV-2001 is an investigational monoclonal antibody being developed by Iovance Biotherapeutics, Inc. for the treatment of chronic lymphocytic leukemia, a type of blood cancer. It is in Phase 1 clinical development and has been studied in a single completed trial. IOV-2001 is a biomarker-selected therapy, meaning it is directed at patients with a specific biological characteristic.

What is IOV-2001 used for in chronic lymphocytic leukemia?

IOV-2001 is being developed for chronic lymphocytic leukemia, a cancer of the blood and bone marrow. The one completed Phase 1 trial also enrolled patients with small lymphocytic lymphoma alongside CLL. It remains investigational and is not an approved treatment for CLL or any other indication.

Who makes IOV-2001?

IOV-2001 is developed by Iovance Biotherapeutics, Inc., a biotechnology company whose common stock trades on the Nasdaq under the ticker IOVA. Iovance is the sponsor of the clinical program evaluating IOV-2001 in chronic lymphocytic leukemia and small lymphocytic lymphoma.

What phase is IOV-2001 in?

IOV-2001 is in Phase 1 clinical development. Its only recorded trial, NCT04155710, has been completed, and no active trials are currently listed. Because the program remains at the Phase 1 stage, IOV-2001 is investigational and has not been approved by the FDA for any indication.

What clinical trials is IOV-2001 in?

IOV-2001 has been evaluated in one Phase 1 trial, NCT04155710, titled Study of Autologous Peripheral Blood Lymphocytes in the Treatment of Patients With CLL or SLL. The trial enrolled 7 patients, was controlled but not randomized or double blinded, and has completed. It was conducted in the United States in adults aged 18 years and older.

Is IOV-2001 a biomarker-selected therapy?

Yes. IOV-2001 is a biomarker-selected monoclonal antibody, meaning its development targets patients whose disease carries a specific biological marker rather than an unselected patient population. This biomarker-based approach was applied in its completed Phase 1 trial in chronic lymphocytic leukemia and small lymphocytic lymphoma.