- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04484077
hCT-MSC Infusion in Adults With Autism Spectrum Disorder (AIMs)
A PHASE I STUDY OF hCT-MSC, AN UMBILICAL CORD-DERIVED MESENCHYMAL STROMAL CELL PRODUCT, IN ADULTS WITH AUTISM SPECTRUM DISORDER
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a prospective, open label, phase one study to determine the safety and tolerability of a single intravenous dose of Human Umbilical Cord Tissue Derived Mesenchymal Stromal Cells (hCT-MSC) in adults with autism spectrum disorder (ASD). hCT-MSCs are manufactured from umbilical cord tissue donated by healthy mothers delivering full term babies via Cesarean Section. The cells are extracted from the cord tissue, expanded and cryopreserved (frozen). One dose of 2x10^6 cells/kg (maximum of 10 x 10^7) will be administered intravenously to each participant in this study.
It is hypothesized that immune dysregulation and/or abnormal neuronal connectivity that adversely affects normal brain development may cause core symptomatology observed in individuals with ASD. Mesenchymal stromal cells (MSC) have demonstrated a multitude of immunomodulatory effects which are thought to be carried out via paracrine and trophic signaling. While MSCs modulate the immune response, MSCs themselves have low immunogenicity (the body does not have a strong immune reaction against them) and they do not permanently engraft in the recipient.
Adults ages 18 to less than 35 years with ASD will be eligible to participate. All participants will have a screening visit that includes clinical evaluations to verify cognitive abilities and confirmation of eligibility.
One dose of 2x10^6 cells/kg (maximum of 10 x 10^7) will be administered intravenously to each participant at a baseline visit. Participants will be admitted to the infusion center on the day of their baseline visit and vital signs (heart rate, blood pressure, temperature, respiratory rate) will be measured. Participants may request anti-anxiety medication prior to IV placement if desired. A peripheral IV will be placed and prior to the infusion, premedications (Benadryl, Solumedrol, 0.5mg/kg each) will be administered. The hCT-MSCs product will be administered intravenously over 30-60 minutes. Pulse oximetry will be monitored continuously throughout the infusion and IV fluid maintenance will be given. Participants will be discharged after 1 hour, providing all vital signs are at their baseline and they are asymptomatic with no evidence of toxicity. Participants will be evaluated the day after the infusion to assess for any infusion-related adverse reactions or complications. A phone call or email will be done to assess safety of the infusion 7-10 days after the infusion. Remote follow up will be conducted 6 months and one year after infusion. The Medical and Behavioral History Questionnaire assessing adverse events will be obtained at baseline, 6 and 12-months.
The main endpoint is safety, and acute infusion reactions, incidence of infections, and markers of alloimmunization will be assessed. Social communication will be assessed at baseline and 6 months post product administration.
Study Type
Enrollment (Estimated)
Phase
- Phase 1
Contacts and Locations
Study Contact
- Name: Lettie Moore
- Phone Number: 9196681100
- Email: cordbloodtherapyinfo@dm.duke.edu
Study Contact Backup
- Name: Conrad Kubaney, RN
- Email: cordbloodtherapyinfo@dm.duke.edu
Study Locations
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North Carolina
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Durham, North Carolina, United States, 27710
- Duke University Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Age ≥18 to < 35 years (34 years, 364 days) at the time of consent
- Confirmed pre-existing diagnosis of ASD in the individual's educational and/or medical record
- Fragile X testing performed and negative; CMA and/or whole exome sequencing performed and results not linked to autism diagnosis
- Stable on current psychiatric medication regimen (dose and dosing schedule) for at least 2 months prior to infusion of study product, with no intention of changing or beginning new psychiatric medications or behavioral treatments during the duration of the study.
- Normal absolute lymphocyte count (≥1200/uL for African American participants and ≥1500/uL for all other participants)
- General Ability Index of ≥70, confirmed through cognitive testing completed by study personnel to establish eligibility
- Participant and Parent are English speaking
- Able to travel to Duke University for baseline visit.
- Participant has a parent who spends four or more hours a week with the participant, who is able and willing to participate in study visits and interim surveys and interviews
- Informed consent of the participant and parent (participants must have legal authority regarding their own medical care and a parent or legally authorized representative may not consent on their behalf)
Exclusion Criteria
General:
- Review of medical records indicates ASD diagnosis and IQ > 70 unlikely.
- Known or suspected diagnosis of any of the following coexisting psychiatric conditions: bipolar disorder, schizophrenia, Tourette syndrome, and/or any co-occurring psychiatric disorder that the investigator believes would interfere with accurate completion of study instruments and/or current (within the past year) evidence of suicidality as assessed by an interview with participant and/or parent which includes the Columbia Suicide Severity Rating Scale, and a review of responses on the Behavioral and Symptom Identification Scale (BASIS-24).
- Screening data or in-person evaluations suggest that participant would not be able to comply with the requirements of the study procedures as assessed by the study team
- Parent and/or participant is unwilling or unable to commit to participation in all study-related assessments, including protocol follow up
- Sibling is enrolled in this (Duke AIMs) study
Genetic:
- Records indicate that the participant has a known genetic syndrome such as (but not limited to) Fragile X syndrome, neurofibromatosis, Rett syndrome, tuberous sclerosis, PTEN mutation, cystic fibrosis, muscular dystrophy or a genetic defect definitively known to be associated with ASD
- Known pathogenic mutation or copy number variation (CNV) associated with ASD (e.g., 16p11.2, 15q13.2, 2q13.3)
Infectious:
- Known active CNS infection
- Evidence of uncontrolled infection based on records or clinical assessment
- Known HIV positivity
- Exposure to COVID-19 in the preceding 14 days or positive COVID-19 test in the previous 28 days. Subjects with a past history of infection with COVID-19 must be symptom-free for 14 days prior to the initial visit.
Medical:
- Known metabolic disorder
- Known mitochondrial dysfunction
- History of unstable epilepsy or uncontrolled seizure disorder, infantile spasms, Lennox Gastaut syndrome, Dravet syndrome, or other similar chronic seizure disorder
- Active malignancy or prior malignancy that was treated with chemotherapy
- History of a primary immunodeficiency disorder
- History of autoimmune cytopenias (i.e., ITP, AIHA)
- Coexisting medical condition that would place the participant at increased risk for complications of study procedures
- Concurrent genetic or acquired disease or comorbidity(ies) that could require a future stem cell transplant
- Significant sensory (e.g., blindness, deafness, uncorrected hearing impairment) or motor (e.g., cerebral palsy) impairment
- Impaired renal or liver function as determined by serum creatinine >1.5mg/dL or total bilirubin >1.3mg/dL, except in participants with known Gilbert's disease
- Significant hematologic abnormalities defined as: Hemoglobin <10.0 g/dL, Platelets <150 x 10e9/uL, WBC <3,000 cells/mL, ALC <1200/uL for African Americans or <1500/uL for all other participants.
- Evidence of clinically relevant physical dysmorphology indicative of a genetic syndrome as assessed by the PIs or other investigators, including a medical geneticist and psychiatrists trained in identifying dysmorphic features associated with neurodevelopmental conditions.
- Current pregnancy and unwillingness to use adequate birth control for 3 months after the final study product infusion.
Current/Prior Therapy:
a. Availability of a banked, qualified autologous cord blood unit or parent deferred use of qualified, autologous cord blood unit b. History of prior cell therapy c. Current or prior use of IVIG or other anti-inflammatory medications with the exception of NSAIDs d. Current or prior immunosuppressive therapy i. No systemic steroid therapy that has lasted >5 days within 4 weeks, prior to enrollment. Topical and inhaled steroids are permitted.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: hCT-MSC infusion
A single, intravenous infusion of hCT-MSCs.
Targeted dose is 2x10^6 cells/kg with a maximum dose of 10 x 10^7 cells/kg.
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2x10^6 hCT-MSC/kg suspended in plasmalyte-A, 5% HSA, and residual DMSO/dextran administered intravenously over 30-60 minutes via syringe pump
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of infusion reactions
Time Frame: Baseline through 10 days post infusion
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cumulative incidence as measured by clinical examination and patient interview
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Baseline through 10 days post infusion
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Incidence of product-related infections
Time Frame: Baseline through 12 months
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cumulative incidence as measured by patient interview and questionnaire
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Baseline through 12 months
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Evidence of formation of anti-HLA antibodies
Time Frame: Baseline, 6 months, 12 months
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change from baseline to 6 and 12 months post infusion as measured by PRA testing
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Baseline, 6 months, 12 months
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Incidence of graft vs. host disease
Time Frame: Baseline through 12 months
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cumulative incidence as measured by patient interview and questionnaire
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Baseline through 12 months
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Incidence of unexpected adverse events, by severity and relation to study
Time Frame: Baseline through 12 months
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cumulative incidence as measured by patient questionnaire and clinical labs
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Baseline through 12 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The Vineland Adaptive Behavior Scale Interview, 3rd Edition, Comprehensive interview form
Time Frame: Baseline and 6 months
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Change from baseline to six months in the Combined Socialization Standard Score based on parent report.
Scores range from 20 to 140.
Higher scores indicate a higher functioning level
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Baseline and 6 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jessica Sun, MD, Duke University
- Principal Investigator: Joanne Kurtzberg, MD, Duke University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- PRO00104691
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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