Peanut Sublingual Immunotherapy (SLIT)-Tablet for Treatment of Peanut Allergy

NCT ID: NCT05440643

Last Updated: 2026-01-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE1/PHASE2

Total Enrollment

192 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-09-07

Study Completion Date

2026-04-30

Brief Summary

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This clinical research study investigates the safety, tolerability and efficacy of a peanut SLIT-tablet in adults, adolescents, and children with peanut allergy.

Detailed Description

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This is a phase I/II, dose-escalation, multi-site trial including subjects with peanut allergy confirmed by screening double-blind, placebo-controlled food challenge. The trial is conducted in 3 parts; part 1 will determine the entry dose of the up-dosing regimen (UDR) in adults and adolescents; part 2 will characterize the tolerability of the up-dosing regimen in adults, adolescents and children; part 3 will evaluate the efficacy of 2 maintenance doses of the SLIT-tablet primarily in adolescents and children; a small number of adults may also be included.

Peanut SLIT tablets administered as 9 doses covering a 4000-fold increase in dose will be used in the study.

In part 1, subjects will receive a peanut SLIT-tablet with one of five doses once daily for 2 weeks.

In part 2, subjects will receive a series of increasing doses of the peanut SLIT-tablet, where each dose is taken once daily for 2 weeks. The entry dose for the up-dosing regimen will be determined from part 1.

In part 3, subjects will be randomized into 3 treatment groups (UDR and Maintenance A, UDR and Maintenance B, Placebo UDR and Placebo). Subjects will receive a series of increasing doses of the peanut SLIT-tablet , where each dose is taken once daily for 2 weeks, followed by Maintenance A or B once daily for 24 weeks; or the corresponding Placebo.

The trial will consist of up to 10 cohorts (part 1 is cohort 1-5; part 2 is cohort 6-10) and 3 treatment groups in part 3.

Conditions

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Peanut Allergy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Part 1 and 2 is sequential Part 3 is parallel
Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors
Part 1 and 2 is open label. Part 3 is blinded.

Study Groups

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Part 1: Cohort 4

Adults and adolescents - peanut SLIT-tablet once daily for 2 weeks

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 1: Cohort 5

Adults and adolescents - peanut SLIT-tablet once daily for 2 weeks

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 2: Cohort 6

Adults - UDR with once daily peanut SLIT-tablet

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 2: Cohort 7

Adolescents - UDR with once daily peanut SLIT-tablet

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 2: Cohort 8

Children - UDR with once daily peanut SLIT-tablet

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 2: Cohort 9

Highly sensitized Adults/Adolescents - UDR with once daily peanut SLIT-tablet

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 2: Cohort 10

Highly sensitized Children - UDR with once daily peanut SLIT-tablet

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 3: Maintenance A

UDR A + maintenance dose A

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 3: Maintenance B

UDR B + maintenance dose B

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 3: Placebo

Placebo UDR + placebo maintenance

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type OTHER

Placebo

Part 1: Cohort 1

Adults and adolescents - peanut SLIT-tablet once daily for 2 weeks

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 1: Cohort 2

Adults and adolescents - peanut SLIT-tablet once daily for 2 weeks

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Part 1: Cohort 3

Adults and adolescents - peanut SLIT-tablet once daily for 2 weeks

Group Type EXPERIMENTAL

Peanut SLIT-tablet

Intervention Type BIOLOGICAL

Peanut extract

Interventions

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Peanut SLIT-tablet

Peanut extract

Intervention Type BIOLOGICAL

Placebo

Placebo

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

Subjects are eligible to be included in the trial only if all the following criteria apply:

* Part 1: Male or female aged 12 through 65 years (inclusive) on the day of enrollment Part 2: Male or female aged 4 through 65 years (inclusive) on the day of enrollment Part 3: Male or female aged 4 through 65 years (inclusive) on the day of randomization
* Documented clinical history of an IgE-mediated allergic reaction towards peanut- containing food
* Peanut-specific serum IgE ≥ 0.7 kU/L at screening measured at central laboratory
* Skin prick test to peanut ≥ 5 mm at screening
* Cohorts 1-8: Experience dose-limiting symptoms at the 10 mg, 30 mg or 100 mg challenge dose of peanut protein on screening DBPCFC Cohorts 9-10: Experience dose-limiting symptoms at the 1 mg or 3 mg challenge dose of peanut protein on the screening DBPCFC Part 3: Experience dose-limiting symptoms at the 3 mg, 10 mg, 30 mg or 100 mg challenge dose of peanut protein on screening DBPCFC

Exclusion Criteria

Subjects are excluded from the trial if any of the following criteria apply:

* Diagnosis or history of eosinophilic esophagitis
* Uncontrolled asthma as defined by the Asthma Control Test questionnaire with a score of 19 or below at enrollment (subjects with a diagnosis of asthma only)
* All subjects ≥ 5 years old with FEV1 or PEFR \< 70% of predicted value at enrollment Subjects 4 years old with a history of recurrent wheeze requiring inhaled corticosteroids for 2 consecutive weeks or more within 3 months prior to enrollment
* Up-dosing with any allergy immunotherapy product. Maintenance dose of any subcutaneous immunotherapy product other than peanut is allowed
* History of peanut oral immunotherapy within the last 12 months prior to visit 1
* Chronic or acute oral inflammation at enrollment
* History of cardiovascular disease, including uncontrolled or inadequately controlled hypertension
* Currently using any prohibited medication on the list of prohibited medication
* Part 1 and 2: Allergic symptoms in reaction to the placebo part of the screening DBPCFC Part 3: Dose-limiting allergic symptoms in reaction to the placebo part of the screening DBPCFC
* History of severe or life-threatening episode of anaphylaxis or anaphylactic shock within 60 days of the screening DBPCFC
* Part 1 and 2: Asthma according to below criteria:

* Severe asthma as per the current GINA guidelines
* Uncontrolled or poorly controlled asthma as per the current GINA guidelines
* Asthma that requires more than a daily dose above 800 µg of inhaled budesonide (or clinically comparable inhaled corticosteroids)
* History of 2 or more systemic corticosteroid courses within 6 months of screening
* Prior intubation/mechanical ventilation for asthma
* Emergency room visit or hospitalization for asthma in the 12 months prior to screening
* Any history of a life-threatening asthma attack
* Part 3: Asthma fulfilling the below criteria:

* History of 2 or more systemic corticosteroid courses within 6 months of screening
* Prior intubation/mechanical ventilation for asthma
* Emergency room visit or hospitalization for asthma in the 12 months prior to screening
* Any history of a life-threatening asthma attack
* (US only) Severe asthma as per the current GINA guidelines
* (US only) Uncontrolled or poorly controlled asthma as per the current GINA guidelines
* (US only) Asthma that requires more than a daily maintenance dose above 800 μg of inhaled budesonide (or clinically comparable inhaled corticosteroids)
Minimum Eligible Age

4 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Parexel

INDUSTRY

Sponsor Role collaborator

ALK-Abelló A/S

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Edwin Kim, MD

Role: PRINCIPAL_INVESTIGATOR

University of North Carolina

Locations

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Arkansas Children's Hospital

Little Rock, Arkansas, United States

Site Status

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

Los Angeles, California, United States

Site Status

UCLA - Pediatrics

Los Angeles, California, United States

Site Status

Stanford University - Lucile Packard Children's Hospital

Palo Alto, California, United States

Site Status

Peninsula Research Associates (PRA)

Rolling Hills Estates, California, United States

Site Status

Eastern Virginia Medical School - Children's Hospital

San Diego, California, United States

Site Status

Allergy & Asthma Clinical Research

Walnut Creek, California, United States

Site Status

Children's Hospital Colorado

Aurora, Colorado, United States

Site Status

Quality Research of South Florida

Hialeah, Florida, United States

Site Status

MOORE-PH Dermatology - Clinical Research

Tampa, Florida, United States

Site Status

USF Asthma Allergy and Immunology Clinical Research Unit

Tampa, Florida, United States

Site Status

Center for Advance Pediatrics

Atlanta, Georgia, United States

Site Status

Ann Robert H. Lurie Childrens Hospital of Chicago

Chicago, Illinois, United States

Site Status

Sneeze, Wheeze, & Itch Associates, LLC

Normal, Illinois, United States

Site Status

Family Allergy Asthma Research Institute

Louisville, Kentucky, United States

Site Status

Velocity Clinical Research - Lafayette

Lafayette, Louisiana, United States

Site Status

Johns Hopkins University School of Medicine

Baltimore, Maryland, United States

Site Status

Asthma, Allergy and Sinus Center

White Marsh, Maryland, United States

Site Status

Boston Food Allergy Center

Boston, Massachusetts, United States

Site Status

Massachusetts General Hospital

Boston, Massachusetts, United States

Site Status

University of Michigan

Ann Arbor, Michigan, United States

Site Status

Northwell Health

Great Neck, New York, United States

Site Status

NYU Langone Health - Fink Children's Ambulatory Care Center

New York, New York, United States

Site Status

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

New York, New York, United States

Site Status

University of North Carolina

Chapel Hill, North Carolina, United States

Site Status

Aventiv research, Inc

Columbus, Ohio, United States

Site Status

Children's Hospital of Philadephia

Philadelphia, Pennsylvania, United States

Site Status

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

Pittsburgh, Pennsylvania, United States

Site Status

The University of Texas Southwestern Medical Center

Dallas, Texas, United States

Site Status

Western Sky Medical Research

El Paso, Texas, United States

Site Status

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

Houston, Texas, United States

Site Status

BC Children's Hospital

Vancouver, British Colombia, Canada

Site Status

The Children's Hospital Foundation of Manitoba

Winnipeg, Manitoba, Canada

Site Status

Halton Pediatric Allergy

Burlington, Ontario, Canada

Site Status

Hamilton Allergy

Hamilton, Ontario, Canada

Site Status

Ottawa Allergy Research Corporation

Ottawa, Ontario, Canada

Site Status

The Hospital for Sick Children, Toronto

Toronto, Ontario, Canada

Site Status

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

Montreal, Quebec, Canada

Site Status

CHU-Saint-Justine

Montreal, Quebec, Canada

Site Status

Clinique Specialisee en Allergie de la Capitale

Québec, , Canada

Site Status

Countries

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United States Canada

Other Identifiers

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PT-01

Identifier Type: -

Identifier Source: org_study_id

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