Peanut allergy pill shows promise in early trial

NCT ID NCT05440643

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested a daily tablet placed under the tongue (SLIT) containing peanut protein to help people with peanut allergy tolerate small amounts of peanut. The trial included 209 adults, teens, and children ages 4 to 65. Researchers measured how many participants could safely eat 600 mg of peanut protein after 24 weeks of treatment, and tracked side effects like mouth irritation.

What this could mean

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

Active substance
Peanut extract sublingual tablet
What this could lead to
If successful, this daily tablet could help people with peanut allergy tolerate small amounts of peanut, reducing the risk of severe reactions from accidental exposure.
What could go wrong
This is an early-phase trial with only 209 participants, so results may not apply to everyone. Side effects like mouth or throat reactions are common, and the tablet does not cure the allergy—daily use is needed.

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Conditions

The condition(s) this trial relates to.

food allergy Peanut Hypersensitivity

As listed by the trial registrant

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

Contacts and locations

Locations

  • Allergy & Asthma Clinical Research

    Walnut Creek, California, 94598, United States

  • Allergy Partners of NJ

    Ocean City, New Jersey, 07712, United States

  • Ann Robert H. Lurie Childrens Hospital of Chicago

    Chicago, Illinois, 60611-2605, United States

  • Arkansas Children's Hospital

    Little Rock, Arkansas, 72202, United States

  • Asthma, Allergy and Sinus Center

    White Marsh, Maryland, 21162, United States

  • Aventiv research, Inc

    Columbus, Ohio, 43212, United States

  • BC Children's Hospital

    Vancouver, British Colombia, V5H 3V4, Canada

  • Baylor College of Medicine (BCM) Texas Children's Hospital Pediatrics and Immunology

    Houston, Texas, 77030, United States

  • Boston Food Allergy Center

    Boston, Massachusetts, 02111, United States

  • CHU-Saint-Justine

    Montreal, Quebec, H3T 1C5, Canada

  • Center for Advance Pediatrics

    Atlanta, Georgia, 30329, United States

  • Children's Hospital Colorado

    Aurora, Colorado, 80045, United States

  • Children's Hospital of Los Angeles - USC School of Medicine

    Los Angeles, California, 90027, United States

  • Children's Hospital of Philadephia

    Philadelphia, Pennsylvania, 19104, United States

  • Children's Hospital of Pittsburg of UPMC - Immunology and Rheumatology

    Pittsburgh, Pennsylvania, 15224, United States

  • Clinique Specialisee en Allergie de la Capitale

    Québec, G1V 4W2, Canada

  • Eastern Virginia Medical School - Children's Hospital

    San Diego, California, 92123, United States

  • Family Allergy Asthma Research Institute

    Louisville, Kentucky, 40215-1176, United States

  • Halton Pediatric Allergy

    Burlington, Ontario, L7L 6W6, Canada

  • Hamilton Allergy

    Hamilton, Ontario, Canada

  • Icahn School of Medicine at Mt. Sinai, Pediatric Allergy, Kravis Children Hospital

    New York, New York, 10029, United States

  • Johns Hopkins University School of Medicine

    Baltimore, Maryland, 21287-0005, United States

  • MOORE-PH Dermatology - Clinical Research

    Tampa, Florida, 33609, United States

  • Massachusetts General Hospital

    Boston, Massachusetts, 02114, United States

  • McGill University Health Centre (MUHC) - Research Institute (RI-MUHC)

    Montreal, Quebec, H3H 2R9, Canada

  • NYU Langone Health - Fink Children's Ambulatory Care Center

    New York, New York, 10016, United States

  • Northwell Health

    Great Neck, New York, 11021, United States

  • Ottawa Allergy Research Corporation

    Ottawa, Ontario, K1H 1E4, Canada

  • Peninsula Research Associates (PRA)

    Rolling Hills Estates, California, 90274, United States

  • Quality Research of South Florida

    Hialeah, Florida, 33016, United States

  • Rush University

    Chicago, Illinois, 60612, United States

  • Sneeze, Wheeze, & Itch Associates, LLC

    Normal, Illinois, 61761, United States

  • Stanford University - Lucile Packard Children's Hospital

    Palo Alto, California, 94304, United States

  • The Children's Hospital Foundation of Manitoba

    Winnipeg, Manitoba, R3A 1M3, Canada

  • The Hospital for Sick Children, Toronto

    Toronto, Ontario, M5G 1E8, Canada

  • The University of Texas Southwestern Medical Center

    Dallas, Texas, 75390, United States

  • UCLA - Pediatrics

    Los Angeles, California, 90095, United States

  • USF Asthma Allergy and Immunology Clinical Research Unit

    Tampa, Florida, 33609, United States

  • University of Michigan

    Ann Arbor, Michigan, 48109, United States

  • University of North Carolina

    Chapel Hill, North Carolina, 27599, United States

  • Velocity Clinical Research - Lafayette

    Lafayette, Louisiana, 70508, United States

  • Western Sky Medical Research

    El Paso, Texas, 79903, United States

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