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BIVV003

Phase 1

Sickle Cell Disease | Gene therapy | Hematology |Sangamo Therapeutics, Inc.|Trials Updated: Sep 12, 2025

BIVV003 development status

Highest phase Phase 1
Registered trials 2 across 1 sponsor since Aug 2018

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment7

FDA Designations

No designations recorded

BIVV003 clinical trials

BIVV003 · 1 trial · 1 indication

Phase 1 1
NCT03653247A Study to Assess the Safety, Tolerability, and Efficacy of BIVV003 for Autologous Hematopoietic Stem Cell Transplantation in Patients With Severe Sickle Cell DiseaseSickle Cell Disease
COMPLETED7 Analytics
PHASE1COMPLETED
A Study to Assess the Safety, Tolerability, and Efficacy of BIVV003 for Autologous Hematopoietic Stem Cell Transplantation in Patients With Severe Sickle Cell Disease
Sickle Cell DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants who are Alive at Post-transplantation Day 100
Day 100

The percentage of participants who are alive at post-transplantation Day 100 will be calculated using the Kaplan-Meier estimate.

Percentage of Participants who are Alive at Post-transplantation Week 52
Week 52

The percentage of participants who are alive at post-transplantation Week 52 will be calculated using the Kaplan-Meier estimate.

Percentage of Participants who are Alive at Post-transplantation Week 104
Week 104

The percentage of participants who are alive at post-transplantation Week 104 will be calculated using the Kaplan-Meier estimate.

Percentage of Participants With Successful Engraftment
Up to Day 42

Successful engraftment is defined by absolute neutrophil count (ANC) greater than or equal to \>=500 cells/microliter (mL) for 3 consecutive days.

Number of Participants With Adverse Events (AEs)
Up to Week 104

An AE is any untoward medical occurrence in a participant administered a pharmaceutical product that does not necessarily have a causal relationship with this treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of a medicinal (investigational) product, whether or not related to the medicinal (investigational) product.

Number of Participants With Serious Adverse Events (SAEs)
Up to Week 104

An SAE is any untoward medical occurrence that at any dose: Results in death, in the view of the Investigator, places the participant at immediate risk of death (a life-threatening event); however, this does not include an event that, had it occurred in a more severe form, might have caused death, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent or significant disability/incapacity, results in a congenital anomaly/birth defect or is a medically important event.

Secondary Endpoints

CD34 + HSPC Yield from Plerixafor Stem Cell Mobilization
Approximately 12 weeks
Proportion of Participants with Sufficient Stem Cell Mobilization for Rescue Aliquot and BIVV003 Production
Approximately 12 weeks
Yield of Zinc Finger Nuclease (ZFN)-edited Investigational Product
Approximately 12 weeks
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
BIVV003EXPERIMENTALParticipants will receive plerixafor as subcutaneous (SQ) administration followed by myeloablative conditioning therapy with intravenous (IV) busulfan. BIVV003 will then be administered as a 1-time IV infusion of autologous Cluster of Differentiation 34 + Hematopoietic Stem/Progenitor Cell (CD34+HSPC) transfected ex vivo with zinc finger nuclease (ZFN) messenger ribonucleic acid (mRNAs) targeting the B-cell lymphoma/leukemia 11A (BCL11A) locus.

Interventions

NameTypeDescription
PlerixaforBIOLOGICALPlerixafor subcutaneous injection will be administered prior to apheresis.
BusulfanDRUGBusulfan IV infusion will be administered as myeloablative conditioning therapy.
BIVV003GENETICBIVV003 will be administered as an IV infusion following myeloablative conditioning with busulfan.
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Eligibility Criteria

Age Range18 Years to 40 Years
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria * Ages 18 to 40 * Confirmation of sickle cell disease (SCD) diagnosis (HbSS or HbS\[beta\]0 genotype) * Severe SCD, defined as having 1 or more of the following manifestations: Clinically significant neurologic event (example \[e.g.\], stroke) or any neurological deficit lasting ...

Countries:United States
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Frequently asked questions about BIVV003

What is BIVV003?

BIVV003 is an investigational gene therapy being developed by Sangamo Therapeutics, Inc. for the treatment of severe sickle cell disease. It is designed as an autologous hematopoietic stem cell transplant, meaning a patient's own stem cells are modified outside the body and then returned to the patient. It is in Phase 1 clinical development.

What is BIVV003 used for in sickle cell disease?

BIVV003 is being studied for use in patients with severe sickle cell disease. The Phase 1 trial enrolled patients 18 years and older with severe sickle cell disease in the United States. It is an autologous hematopoietic stem cell transplantation approach, so the modified cells come from the patient rather than a donor.

Who makes BIVV003?

BIVV003 is being developed by Sangamo Therapeutics, Inc., which trades on the Nasdaq under the ticker SGMO. Sangamo is the sponsor of the clinical program evaluating the gene therapy in severe sickle cell disease.

What phase is BIVV003 in?

BIVV003 is in Phase 1 clinical development. It is an investigational gene therapy and has not been approved by the FDA. The Phase 1 study of BIVV003 has been completed, and no trials of the therapy are currently listed as active.

What clinical trials is BIVV003 in?

BIVV003 has been evaluated in one clinical trial, NCT03653247, titled a study to assess the safety, tolerability, and efficacy of BIVV003 for autologous hematopoietic stem cell transplantation in patients with severe sickle cell disease. That Phase 1 trial is completed, enrolled 7 patients, was conducted in the United States, and was uncontrolled.