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Autism Spectrum DisorderPhase 2MTT-ASDNCT03408886

Microbiota Transfer Therapy for Adults With Autism Spectrum Disorder (ASD) Who Have Gastrointestinal Disorders

A Phase 2 study testing Vancomycin, MoviPrep and Full Spectrum Microbiota in people with Autism Spectrum Disorder and Gastrointestinal Disorder, run by Arizona State University at 1 site in United States.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

This is a clinical trial of Microbiota Transplant Therapy (MTT) for adults with autism spectrum disorders (ASD) who have gastrointestinal problems. Previous research has shown that individuals with ASD have a low diversity of gut bacteria, and low diversity is generally associated with poor gastrointestinal (GI)… Read more about this study

Who is it for?
Ages 18 to 60 years
What is being tested?
Vancomycin, MoviPrep and Full Spectrum Microbiota
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
55 participants
Where
1 siteUnited States
Study dates
4 Jan 2018to 15 Dec 2024
Phase
Phase 2
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 60 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Adult aged 18-60 years
  • Diagnosis of autism per both the Autism Diagnostic Interview - Revised (ADI-R) and the Childhood Autism Rating Scale 2 (CARS-2).
  • GI disorder as defined below that has lasted for at least 3 years.
  • No changes in medications, supplements, diet, therapies, or education in last 3 months, and no intention to change them during the clinical trial.
  • General good physical health aside from gastrointestinal problems
  • Neurotypical adult observer (such as parent, guardian, or sibling) who observes adult for at least 4 hours/week who can serve as an Evaluator to complete questionnaires on their symptoms with the assistance of the Participant as much as they are able.
  • Ability to swallow pills (without chewing)

Who cannot join

  • Antibiotics in last 3 months
  • Probiotics in last 2 months, or fecal transplant in last 12 months
  • Single-gene disorder (Fragile X, etc.)
  • Major brain malformation
  • Tube feeding
  • Severe gastrointestinal problems that require immediate treatment (life-threatening)
Show all 14Show fewer
  • Ulcerative Colitis, Crohn's Disease, diagnosed Celiac Disease, Eosinophilic Gastroenteritis, or similar conditions
  • Severely underweight/malnourished
  • Recent or scheduled surgeries
  • Current participation in other clinical trials
  • Females who are pregnant or who are sexually active without effective birth control. We will conduct a urine pregnancy test on all female participants as part of the screening and at each clinical visit.
  • Allergy or intolerance to vancomycin or MoviPrep
  • Clinically significant abnormalities at baseline on two blood safety tests: Comprehensive Metabolic Panel and Complete Blood Count with Differential.
  • -

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Arizona State University

    Tempe, Arizona, 85287

Other trials in United States

About this study

This is a clinical trial of Microbiota Transplant Therapy (MTT) for adults with autism spectrum disorders (ASD) who have gastrointestinal problems.

Previous research has shown that individuals with ASD have a low diversity of gut bacteria, and low diversity is generally associated with poor gastrointestinal (GI) health. We previously found that MTT therapy for children with ASD and GI symptoms was helpful in reducing their GI symptoms, reducing their ASD symptoms, and increasing their diversity of gut bacteria.

This clinical trial will investigate the hypothesis that MTT therapy will be helpful for adults with ASD who have GI symptoms.

Read the detailed description

For adults ages 18-60 years with ASD and gastrointestinal problems, the investigators propose a Phase 2 clinical trial to evaluate the safety and efficacy of MTT. The study will also determine if longer treatment is beneficial, and to conduct a longer observation after treatment stops to determine long-term safety and efficacy. The three parts of this trial are described below.

Part 1: Placebo-Controlled Treatment The trial will begin with a randomized, double-blind, placebo-controlled trial which will include a 2-week treatment with oral vancomycin (or placebo), then 1 day of Moviprep to cleanse the bowel of vancomycin and bacteria/feces (all participants, since its bowel-emptying effect cannot be blinded), followed by oral administration of Full Spectrum Microbiota (FSM) or placebo. An initial high dose of FSM (or placebo) for two days will be followed by a lower maintenance dose of FSM (or placebo) for 8 weeks.

Part 2 Extension and Cross-Over

  • For the treatment group from Part 1, there will be an 8-week extension of the maintenance dose, to determine if longer treatment has additional benefits.
  • For the placebo group from Part 1, they will receive MoviPrep, an initial high dose of FSM for 2 days, and then a lower dose of FSM for 8 weeks (similar to the treatment group in Part 1, but without the vancomycin). This will help us determine if pre-treatment with vancomycin is needed or not.

Part 3: Follow-up There will be follow-up evaluations at 6, 12, and 18 months after treatment is stopped, to assess long-term efficacy and possible adverse effects.

Being tested
Vancomycin, MoviPrep, Full Spectrum Microbiota
Keywords
fecal transplant, fecal microbiota transplant, microbiota transplant, vancomycin, moviprep
Medical subject headings
Autism Spectrum Disorder, Gastrointestinal Diseases

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • VancomycinDrug

    Oral vancomycin is administered to reduce pathogenic bacteria.

  • MoviPrepDrug

    MoviPrep is given at the end of vancomycin therapy to remove the vancomycin and remaining bacteria prior to administering Full-Spectrum Microbiota

  • Full Spectrum MicrobiotaBiological

    Also called fecal microbiota transplant

    Gut bacteria from healthy human donors are administered orally in a pill form

Study groups in NCT03408886
Study groupRoleWhat they receive
Group AExperimentalGroup A receives treatment in Part 1 and Part 2
Receives: Drug: Vancomycin; Drug: MoviPrep; Biological: Full Spectrum Microbiota
Group BOtherGroup B receives no treatment in Part 1, but does receive treatment in Part 2
Receives: Drug: MoviPrep; Biological: Full Spectrum Microbiota

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in Childhood Autism Rating Scale (CARS) from baseline to 10 weeks

    An evaluation by a trained evaluator of autism symptoms. The range is 15-60, and scores in the range of 27-30 or higher are indicative of autism.

    Measured: baseline; month 2.5, 4.5, 10.5, 16.5, 22.5

Secondary outcomes (3)
  1. Change in Daily Stool Log (DSL) from baseline to 10 weeks

    The DSL is a report of the number and type of stools over 14 days. Each stool is rated on a scale of 1-7, where 1=very hard, 4=normal, 7=very soft/liquid. The DSL is scored by the number of days of an abnormal stool (type 1-2 or 6-7) or no stool.

    Measured: baseline for 2 weeks; daily for 18 weeks, and 2 weeks at month 10, 16, 22

  2. Change in Social Responsiveness Scale - 2 from baseline to 10 weeks of treatment

    A questionnaire about social skills, where higher scores suggest more severe autism. Scores range from 0 to 195, with higher scores indicating more severe problems.

    Measured: baseline; weeks 2, 4, 6, 8, 10, 12, 14, 16, 18; months 10.5, 16.5, 22.5

  3. Change in Aberrant Behavior Checklist from baseline to 10 weeks

    a questionnaire about aberrant behaviors. Scores range from 0 to 174, with higher scores indicating more severe behaviors

    Measured: baseline; month 2.5, 4.5, 10.5, 16.5, 22.5

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 Jan 2018
  2. Study start4 Jan 2018
  3. Primary completion15 Apr 2022
  4. Study completion15 Dec 2024 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
There are two groups. In Part 1, group A receives treatment and group B receives placebo. In Part 2, group A continues to receive treatment, and group B is switched to treatment.
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
55 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03408886
Sponsor's protocol ID
MTT-Adults-1
Other IDs
Wi1XWH-16-1-0492
Acronym
MTT-ASD
Status last verified
Jan 2023
First submitted
8 Jan 2018
Last updated
9 Jan 2023
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Publications

  • Kang DW, Adams JB, Gregory AC, Borody T, Chittick L, Fasano A, Khoruts A, Geis E, Maldonado J, McDonough-Means S, Pollard EL, Roux S, Sadowsky MJ, Lipson KS, Sullivan MB, Caporaso JG, Krajmalnik-Brown R. Microbiota Transfer Therapy alters gut ecosystem and improves gastrointestinal and autism symptoms: an open-label study. Microbiome. 2017 Jan 23;5(1):10. doi: 10.1186/s40168-016-0225-7.

    PubMed 28122648

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Vancomycin, MoviPrep and Full Spectrum Microbiota in people with Autism Spectrum Disorder and Gastrointestinal Disorder, run by Arizona State University at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 14 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 9 Jan 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in Childhood Autism Rating Scale (CARS) from baseline to 10 weeks (time frame: baseline; month 2.5, 4.5, 10.5, 16.5, 22.5). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03408886, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Jan 2023.

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