Autism drug CM-AT shows promise in reducing irritability

NCT ID NCT02649959

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study tests a drug called CM-AT in children with autism who have low levels of a digestive enzyme. The goal is to see if the drug is safe and helps with behaviors like irritability and social withdrawal over a longer period. About 405 children aged 3 to 8 who completed a previous study are taking part.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

CM-AT (a powder taken three times a day)

What this could lead to

If it works, this could provide a treatment option to reduce irritability and social withdrawal in some children with autism.

What could go wrong

This is an extension study, not a new trial, and results may not apply to all children with autism. The drug may not show clear benefits or could have side effects.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

autism

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • A.P.G. Research

    Orlando, Florida, 32803, United States

  • Advent Health -Lake Mary Pediatrics

    Orange City, Florida, 32763, United States

  • Arkansas Children'S Hosp. Research Institute (A.C.H.R.I.)

    Little Rock, Arkansas, 72202, United States

  • Carilion Clinic-Virginia Tech, Carilion School of Medicine

    Roanoke, Virginia, 24014, United States

  • Carolina Clinical Trials, Inc.

    Charleston, South Carolina, 29407, United States

  • Children'S Specialized Hospital

    Egg Harbor, New Jersey, 08234, United States

  • Children's Specialized Hospital

    Toms River, New Jersey, 08755, United States

  • Cleveland Clinic Autism Center

    Cleveland, Ohio, 44104, United States

  • Clinical Research Center of Nj

    Voorhees Township, New Jersey, 08043, United States

  • Detroit Clinical Research Center, P.C.

    Bingham Farms, Michigan, 48025, United States

  • Duke Center For Autism and Brain Development

    Durham, North Carolina, 27705, United States

  • Focus Center of Clinical Research

    Clinton, Utah, 84015, United States

  • IMMUNOe Research Centers

    Centennial, Colorado, 80112, United States

  • L.S.U. Health Sciences Center

    Shreveport, Louisiana, 71103, United States

  • Lake Charles Clinical Trials

    Lake Charles, Louisiana, 70629, United States

  • Lovelace Scientific Resources

    Albuquerque, New Mexico, 87108, United States

  • M.I.N.D. Institute (Univ.of California, Davis)

    Sacramento, California, 95817, United States

  • Montefiore Med.Cneter, Autism & Obsessive Compulsive Spectrum Program

    The Bronx, New York, 10467, United States

  • N.R.C. Research Institute

    Orange, California, 92868, United States

  • Neuroscience, Inc

    Herndon, Virginia, 20170, United States

  • Omega Medical Research

    Warwick, Rhode Island, 02886, United States

  • Research Institute of Deaconess Clinic

    Newburgh, Indiana, 47630, United States

  • Richmond Behavioral Associates

    Staten Island, New York, 10312, United States

  • Segal Institute For Clinical Research

    North Miami, Florida, 33161, United States

  • Southwest Autism Research & Resource Center (S.A.R.R.C.)

    Phoenix, Arizona, 85006, United States

  • University of Arizona, Pediatrics Multidisciplinary Research Unit

    Tucson, Arizona, 85724, United States

  • University of California (U.C.S.F.)

    San Francisco, California, 94143-0984, United States

  • University of Texas, Houston-Behavioral & Biomedical Sciences

    Houston, Texas, 77054, United States

  • University of Virginia, Dept. of Psychiatry and Neurobehavioral Sciences

    Charlottesville, Virginia, 22903, United States

  • Vanderbilt Universtiy Med.Center-Treatment&Research Inst. For Asd

    Nashville, Tennessee, 37232-2551, United States

  • Yale Child Study Center

    New Haven, Connecticut, 06519, United States