A Study of CAP-1002 in Ambulatory and Non-Ambulatory Patients With Duchenne Muscular Dystrophy (HOPE-3)
Study Details
Study Description
Brief Summary
HOPE-3 is a multi-center, randomized, double-blind, placebo-controlled clinical trial evaluating the safety and efficacy of a cell therapy called CAP-1002 in study participants with Duchenne muscular dystrophy (DMD) and impaired skeletal muscle function. Non-ambulatory and ambulatory boys and young men who meet eligibility criteria will be randomly assigned to receive either CAP-1002 or placebo every 3 months for a total of 4 doses during a 12-month period. All participants will be eligible to receive CAP-1002 for an additional 12 months as part of an open label extended safety assessment period.
| Condition or Disease | Intervention/Treatment | Phase |
|---|---|---|
|
Phase 3 |
Detailed Description
Up to 68 eligible study participants will be randomized to either CAP-1002 or placebo in a 1:1 ratio. The trial will include visits at Screening, Baseline/Day 1, Week 4, and Months 3, 6, 9, and 12 with IV infusions of CAP-1002 or placebo on Day 1 and Months 3, 6, and 9.
The primary analysis of efficacy and safety will be performed at Month 12 following 4 administrations of CAP-1002 or placebo.
The primary efficacy endpoint is the mean change from baseline in upper limb function as assessed by the full Performance of the Upper Limb test, version 2.0 [PUL 2.0] at the 12-month time point. Secondary endpoints evaluated at the 12-month time point include assessment of changes in cardiac muscle function and structure by cardiac magnetic resonance imaging [cMRI], changes in hand-to-mouth function [eat 10-bites assessed by the Duchenne Video Assessment (DVA)], and quality of life assessments.
Safety evaluations will include adverse events, concomitant medications, physical exam, vital signs, 12-lead ECG, and clinical laboratory testing.
Following the initial 4 infusions, all subjects will be eligible to participate in a 12-month open label extended safety assessment period and receive up to 4 additional IV infusions of CAP-1002 once every 3 months. An analysis of extended safety will be conducted after all subjects have completed the Month 24 visit.
Study Design
Arms and Interventions
| Arm | Intervention/Treatment |
|---|---|
| Active Comparator: CAP-1002 Patients will receive 150 million cardiosphere-derived cells (CDCs) via intravenous infusion every 3 months for a total of 4 doses. |
Biological: CAP-1002
CAP-1002 is a cell therapy consisting of human allogeneic cardiosphere-derived cells (CDCs). CDCs are known to secrete numerous bioactive elements (growth factors, exosomes) which impact the therapeutic benefits of the cell-based therapy. The mechanism of action is the composite ability to be immunomodulatory, anti-fibrotic and regenerative.
Other Names:
|
| Placebo Comparator: Placebo Patients will receive a placebo solution via intravenous infusion every 3 months for a total of 4 doses. |
Drug: Placebo
Placebo
|
Outcome Measures
Primary Outcome Measures
- Change in full upper limb function [At Month 12]
Mean change from baseline in full Performance of the Upper Limb test, version 2 (PUL 2.0). items are scored on a three-point scale: 0=unable to perform the item, 1=impaired or performs with compensation, 2=performs task without compensation
Secondary Outcome Measures
- Change in cardiac muscle function and structure by assessment of ejection fraction [At Month 12]
Mean change from baseline in ejection fraction as assessed by Cardiac Magnetic Resonance (cMRI)
- Change in cardiac muscle function and structure by assessment of left ventricular end-systolic volume [At Month 12]
Mean change from baseline in left ventricular end-systolic volume as assessed by Cardiac Magnetic Resonance (cMRI)
- Change in cardiac muscle function and structure by assessment of left ventricular end-diastolic volume [At Month 12]
Mean change from baseline in left ventricular end-diastolic volume as assessed by Cardiac Magnetic Resonance (cMRI)
- Change in elbow and distal level upper limb function [At Month 12]
Mean change from baseline in mid [elbow] plus distal level upper limb function in Performance of the Upper Limb test, version 2 (PUL 2.0); items are scored on a three-point scale: 0=unable to perform the item, 1=impaired or performs with compensation, 2=performs task without compensation
- Change in hand-to-mouth function in the context of functional eating [At Month 12]
Mean change from baseline in the functional ability of eating 10 bites evaluated by Duchenne Video Assessment (DVA) using a video record of patient performing the task at home. Physical therapists score the patient's quality of movement in the video using scorecards with pre-specified compensatory movement criteria.
- Change in hand-to-mouth function [At Month 12]
Mean change from baseline in item 7 [hand-to-mouth] in Performance of the Upper Limb test, version 2 (PUL 2.0); items are scored on a three-point scale: 0=unable to perform the item, 1=impaired or performs with compensation, 2=performs task without compensation
- Number of patients with total loss of hand-to-mouth function [At Month 12]
Proportion of patients with total loss of hand-to-mouth function as assessed by item 7 [hand-to-mouth] in Performance of the Upper Limb test, version 2 (PUL 2.0)
- Changes in patient-reported upper limb function [At Month 12]
Mean change from baseline in Duchenne Muscular Dystrophy Upper Limb Patient-Reported Outcome Measures (DMD UL PROM) questionnaire. Patient or caretaker evaluates the perceived difficulty in performing activities of daily living on a 3-level scale: 0=impossible without help, 1=can do task with difficulty, 2= can do task easily.
- Changes in cardiac inflammation biomarker, creatine kinase MB isoenzyme [CK-MB] [At months 1, 3, 6, 9, 12]
Mean change from baseline in CK-MB blood levels - MB fraction (% of total CK).
Eligibility Criteria
Criteria
Inclusion Criteria:
-
Male subjects at least 10 years of age at time of consent who are willing and able to provide informed consent to participate in the trial and diagnosed with DMD as confirmed by the Investigator
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Genetically confirmed DMD
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Performance of the Upper Limb test (PUL) entry item scores 2-6 and total PUL score less than or equal to 40
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Reduced ability to walk/run (if ambulatory): 10-meter walk/run velocity < 1 meter/second and total PUL score of less than or equal to 40
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Loss of independent ambulation between 10th and 18th year birthday
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Treatment with systemic glucocorticoids for at least 12 months and at a stable dose at least 6 months prior to study participation, except for weight-based or toxicity-related adjustments
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Current and up-to-date immunizations
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Adequate venous access for parenteral IP infusions and routine blood collection
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Assessed by the Investigator as willing and able to comply with the requirements of the trial
Exclusion Criteria:
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Left ventricular ejection fraction (LVEF) < 35%
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Elbow-flexion contractures > 30° in both extremities
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Body mass index (BMI) > 45
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Percent predicted forced vital capacity (FVC%) < 35%
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Inability to perform consistent PUL 2.0 measurement within ± 2 points without shoulder domain or within ± 3 points with shoulder domain during paired testing at screening
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Risk of near-term respiratory decompensation in the judgment of the Investigator, or the need for initiation of day and night non-invasive ventilator support as defined by serum bicarbonate ≥ 29 mmol/L at screening
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History of non DMD-related chronic respiratory disease requiring ongoing or intermittent treatment, including, but not limited to, asthma, bronchitis, and tuberculosis
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Acute respiratory illness within 30 days prior to screening and during screening
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Initiation of nocturnal non-invasive ventilation within 30 days prior to screening
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Planned or anticipated thoracic or spinal surgery within the 6 months following randomization
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Planned or anticipated lower extremity surgery within the 6 months following randomization, if ambulatory
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Known hypersensitivity to dimethyl sulfoxide (DMSO) or bovine products
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Initiation of treatment with metformin or insulin within 3 months prior to randomization
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Initiation of treatment with an FDA-approved exon skipping therapy for the treatment of DMD within 24 months prior to randomization or dose adjustments to the therapy within 12 months prior to randomization with the exception of weight-based dose adjustments
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Treatment with human growth hormone within 3 months prior to randomization, unless on a stable dose allowing for weight-based dose adjustments (as determined by the site Investigator) for at least 24 months prior to randomization
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Treatment with a cell therapy product within 12 months prior to randomization
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Treatment with an investigational product within 6 months prior to randomization
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History, or current use, of drugs or alcohol that could impair the ability to comply with participation in the trial
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Inability to comply with the investigational plan and follow-up visit schedule for any reason, in the judgment of the investigator
Contacts and Locations
Locations
| Site | City | State | Country | Postal Code | |
|---|---|---|---|---|---|
| 1 | Arkansas Children's Hospital | Little Rock | Arkansas | United States | 72202 |
| 2 | University of California, Davis | Sacramento | California | United States | 95817 |
| 3 | Rare Disease Research, LLC | Atlanta | Georgia | United States | 30329 |
Sponsors and Collaborators
- Capricor Inc.
Investigators
- Principal Investigator: Craig McDonald, MD, University of California, Davis
Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- CAP-1002-DMD-04