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NCT07011771WithdrawnPhase 1/2

A Clinical Trial of CAP-003 Gene Therapy in Adult Patients With GBA1 Associated Parkinson's Disease

A Phase 1/2 Dose-Escalation Trial to Evaluate Safety, Tolerability, and Efficacy of a Single Dose of CAP-003 Gene Therapy Administered to Patients With Parkinson's Disease With GBA1 Gene Mutation (PD-GBA)

Source: ClinicalTrials.gov · Last updated 22 Jun 2026

Reason given: Per protocol stopping rule was met for a separate trial for a different disease state and different experimental therapy that utilized a similar technology.

Brief summary (registry, in English)

The goal of this clinical trial is to learn about the safety of CAP-003 gene therapy in adults with GBA1 associated Parkinson's Disease. It will also provide information about whether CAP-003 demonstrates efficacy in these adults. Participants will have a single intravenous infusion of CAP-003 and visit the clinic regularly for 2 years for checkups and tests.

Status (registry)
Withdrawn
Phase (registry)
Phase 1/2
Study type
Interventional
Enrollment
0 (actual)
First submitted
2 Jun 2025
Start date
18 Aug 2025
Primary completion date
17 Jun 2026
Lead sponsor
Capsida Biotherapeutics, Inc.
NCT number
NCT07011771

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Prior gene or cell therapy;
  • Positive test result for anti-capsid total antibodies (tAb);

Other illness

  • Diagnosis of significant central nervous system (CNS) disease other than PD that may be a cause for the participant's PD symptoms or may confound study objectives;
  • History of deep brain stimulator placement, focused ultrasound therapy, or other intercranial surgery for PD;
  • Hypersensitivity or contraindications to corticosteroid;
  • Diagnosis of Gaucher disease;
  • Other illnesses or medications that may affect the interpretation of the study results.

Other

  • Presence of a bi-allelic GBA1 mutation, or presence of LRRK2 2019S or other LRRK2 mutation;
  • Montreal Cognitive Assessment (MoCA) score of ≤22;
  • Unable to undergo lumbar puncture;
  • Clinically significant abnormalities in safety lab tests, vital signs;

Who the study is looking for

  • Male or female, 21 to 75 years
  • Has diagnosis of Parkinson's disease (PD) per UK Parkinson's Disease Society Brain Bank Clinical Diagnostic Criteria;
  • Has modified Hoehn and Yahr Stage I to III in the 'OFF' state;
  • Presence of a pathogenic or likely pathogenic GBA1 mutation confirmed;
  • Must be generally ambulatory, not dependent on wheelchair;
  • Has a body weight of ≥40 kg (88 lb) to ≤110 kg (242 lb) and a body mass index (BMI) of 18 to 34 kg/m2;
  • Participant has a reliable study partner/informant (eg, family member, friend) willing and able to participate in the trial as a source of information on the participant's health status and cognitive and functional abilities;
  • Is living in the community (ie not in a nursing home)

Age in the registry: 21 years to 75 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (5)

Sites in registry order. Save your city in your profile to sort them by distance.

SiteCityCountrySite status
Rush University Medical CenterChicagoUnited StatesUnknown status
Baylor College of MedicineHoustonUnited StatesUnknown status
New York Presbyterian Hospital-Columbia University Medical CenterNew YorkUnited StatesUnknown status
University of PennsylvaniaPhiladelphiaUnited StatesUnknown status
Inland Northwest ResearchSpokaneUnited StatesUnknown status

Are you the coordinator? Confirm the details

This page is information, not medical advice. Discuss any trial with your doctor.