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ADP101 for Oral Immunotherapy in Food-Allergic Children and Adults

Primary Purpose

Food Allergy

Status
Completed
Phase
Phase 1
Locations
United States
Study Type
Interventional
Intervention
ADP101 vs Placebo Dose Regimen A
ADP101 vs Placebo Dose Regimen B
Sponsored by
Alladapt Immunotherapeutics, Inc.
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Food Allergy focused on measuring ADP101, Allergy, Oral immunotherapy, OIT, Allergies, Food allergies, Multi-food allergic, Multi-allergen oral immunotherapy, Tree nut allergy, Milk allergy, Wheat allergy, Egg allergy, Fin fish allergy, Shrimp allergy, Peanut allergy, Sesame seed allergy, Soy allergy, Shellfish allergy, Fish allergy, Seafood allergy, Dairy allergy, Desensitization, Food hypersensitivity, Immune system disease, Hypersensitivity, immediate, Hypersensitivity

Eligibility Criteria

4 Years - 55 Years (Child, Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Age 4 to 55 (inclusive)
  • Clinical history of allergy to at least 1 of the foods contained in ADP101
  • Experience dose-limiting symptoms at or below the 100-mg dose level to 1 or multiple food sources in ADP101

Exclusion Criteria:

  • Experience dose limiting symptoms at or below the 100 mg challenge dose level to more than 5 food sources contained in ADP101
  • History of severe or life-threatening episode(s) of anaphylaxis or anaphylactic shock within 60 days of screening
  • History of EoE, other eosinophilic gastrointestinal disease, chronic, recurrent or severe GERD, symptoms of dysphagia
  • Severe asthma
  • Mild or moderate asthma, if uncontrolled or difficult to control
  • History of mast cell disorder, including mastocytosis, urticaria pigmentosa or angioedema
  • History of chronic disease (other than asthma, atopic dermatitis, or allergic rhinitis) at risk of becoming unstable or requiring a change in chronic therapeutic regimen e.g. uncontrolled diabetes
  • History of cardiovascular disease, including hypertension requiring > 2 antihypertensive medications
  • History of interstitial lung disease
  • History of celiac disease
  • Active autoimmune disease that has required systemic treatment within 3 months
  • Known malignancy that is progressing or has required active treatment within the past 3 years
  • Known history of HIV, known active hepatitis B infection or known active hepatitis C virus infection
  • Prior/concurrent therapies as follows:

    • beta-blockers, ACE inhibitors, ARBs or calcium channel blockers
    • regular steroid medication use
    • therapeutic antibody treatment currently or within the previous 6 months
    • any food immunotherapy currently or within the previous 12 weeks
    • In the build up phase of non-food immunotherapy
  • Residing at the same address as another subject (e.g. siblings) participating in this or any other OIT study
  • Develops dose-limiting symptoms to placebo during the Screening DBPCFC
  • Any other condition that might preclude safe participation in the study

Sites / Locations

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Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Experimental

Arm Label

Arm 1

Arm 2

Arm Description

Outcomes

Primary Outcome Measures

Food Allergy Desensitization
The proportion of subjects who tolerate a highest dose of at least 600-mg of protein from a relevant allergen or allergens with no more than mild symptoms at the final/exit double-blind placebo-controlled food challenge.

Secondary Outcome Measures

Incidence of adverse events, including serious adverse events during the study period (Safety and Tolerability)

Full Information

First Posted
April 20, 2021
Last Updated
May 1, 2023
Sponsor
Alladapt Immunotherapeutics, Inc.
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1. Study Identification

Unique Protocol Identification Number
NCT04856865
Brief Title
ADP101 for Oral Immunotherapy in Food-Allergic Children and Adults
Official Title
A Phase 1/2, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Efficacy and Safety of ADP101 for Oral Immunotherapy in Food-Allergic Children and Adults (The Harmony Study)
Study Type
Interventional

2. Study Status

Record Verification Date
May 2023
Overall Recruitment Status
Completed
Study Start Date
April 20, 2021 (Actual)
Primary Completion Date
November 22, 2022 (Actual)
Study Completion Date
December 13, 2022 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Alladapt Immunotherapeutics, Inc.

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes

5. Study Description

Brief Summary
The purpose of this study is to assess the efficacy and safety of ADP101 in food allergic children and adults.
Detailed Description
This is a multicenter, randomized, double-blind, placebo-controlled study of the efficacy and safety of ADP101 for oral immunotherapy in food allergic children and adults.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Food Allergy
Keywords
ADP101, Allergy, Oral immunotherapy, OIT, Allergies, Food allergies, Multi-food allergic, Multi-allergen oral immunotherapy, Tree nut allergy, Milk allergy, Wheat allergy, Egg allergy, Fin fish allergy, Shrimp allergy, Peanut allergy, Sesame seed allergy, Soy allergy, Shellfish allergy, Fish allergy, Seafood allergy, Dairy allergy, Desensitization, Food hypersensitivity, Immune system disease, Hypersensitivity, immediate, Hypersensitivity

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 1, Phase 2
Interventional Study Model
Parallel Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
73 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Arm 1
Arm Type
Experimental
Arm Title
Arm 2
Arm Type
Experimental
Intervention Type
Biological
Intervention Name(s)
ADP101 vs Placebo Dose Regimen A
Intervention Description
Active powder formulation at various volumes. Placebo powder formulation at various volumes.
Intervention Type
Biological
Intervention Name(s)
ADP101 vs Placebo Dose Regimen B
Intervention Description
Active powder formulation at various volumes. Placebo powder formulation at various volumes.
Primary Outcome Measure Information:
Title
Food Allergy Desensitization
Description
The proportion of subjects who tolerate a highest dose of at least 600-mg of protein from a relevant allergen or allergens with no more than mild symptoms at the final/exit double-blind placebo-controlled food challenge.
Time Frame
Week 40
Secondary Outcome Measure Information:
Title
Incidence of adverse events, including serious adverse events during the study period (Safety and Tolerability)
Time Frame
Through study completion, an average of 1 year

10. Eligibility

Sex
All
Minimum Age & Unit of Time
4 Years
Maximum Age & Unit of Time
55 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Age 4 to 55 (inclusive) Clinical history of allergy to at least 1 of the foods contained in ADP101 Experience dose-limiting symptoms at or below the 100-mg dose level to 1 or multiple food sources in ADP101 Exclusion Criteria: Experience dose limiting symptoms at or below the 100 mg challenge dose level to more than 5 food sources contained in ADP101 History of severe or life-threatening episode(s) of anaphylaxis or anaphylactic shock within 60 days of screening History of EoE, other eosinophilic gastrointestinal disease, chronic, recurrent or severe GERD, symptoms of dysphagia Severe asthma Mild or moderate asthma, if uncontrolled or difficult to control History of mast cell disorder, including mastocytosis, urticaria pigmentosa or angioedema History of chronic disease (other than asthma, atopic dermatitis, or allergic rhinitis) at risk of becoming unstable or requiring a change in chronic therapeutic regimen e.g. uncontrolled diabetes History of cardiovascular disease, including hypertension requiring > 2 antihypertensive medications History of interstitial lung disease History of celiac disease Active autoimmune disease that has required systemic treatment within 3 months Known malignancy that is progressing or has required active treatment within the past 3 years Known history of HIV, known active hepatitis B infection or known active hepatitis C virus infection Prior/concurrent therapies as follows: beta-blockers, ACE inhibitors, ARBs or calcium channel blockers regular steroid medication use therapeutic antibody treatment currently or within the previous 6 months any food immunotherapy currently or within the previous 12 weeks In the build up phase of non-food immunotherapy Residing at the same address as another subject (e.g. siblings) participating in this or any other OIT study Develops dose-limiting symptoms to placebo during the Screening DBPCFC Any other condition that might preclude safe participation in the study
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Mei-Lun Wang, MD
Organizational Affiliation
VP of Clinical Development, Alladapt Immunotherapeutics, Inc.
Official's Role
Study Director
Facility Information:
Facility Name
Study Site
City
Mission Viejo
State/Province
California
ZIP/Postal Code
92691
Country
United States
Facility Name
Study Site
City
Rolling Hills Estates
State/Province
California
ZIP/Postal Code
90274
Country
United States
Facility Name
Study Site
City
San Diego
State/Province
California
ZIP/Postal Code
92123
Country
United States
Facility Name
Study Site
City
Denver
State/Province
Colorado
ZIP/Postal Code
80230
Country
United States
Facility Name
Study Site
City
Tampa
State/Province
Florida
ZIP/Postal Code
33620
Country
United States
Facility Name
Study Site
City
Atlanta
State/Province
Georgia
ZIP/Postal Code
30329
Country
United States
Facility Name
Study Site
City
Marietta
State/Province
Georgia
ZIP/Postal Code
30060
Country
United States
Facility Name
Study Site
City
Normal
State/Province
Illinois
ZIP/Postal Code
61761
Country
United States
Facility Name
Study Site
City
Ann Arbor
State/Province
Michigan
ZIP/Postal Code
48108
Country
United States
Facility Name
Study Site
City
Chapel Hill
State/Province
North Carolina
ZIP/Postal Code
27599
Country
United States
Facility Name
Study Site
City
Cincinnati
State/Province
Ohio
ZIP/Postal Code
45229
Country
United States
Facility Name
Study Site
City
Happy Valley
State/Province
Oregon
ZIP/Postal Code
97086
Country
United States
Facility Name
Study Site
City
Philadelphia
State/Province
Pennsylvania
ZIP/Postal Code
19104
Country
United States
Facility Name
Study Site
City
Charleston
State/Province
South Carolina
ZIP/Postal Code
29420
Country
United States
Facility Name
Study Site
City
Seattle
State/Province
Washington
ZIP/Postal Code
98115
Country
United States

12. IPD Sharing Statement

Plan to Share IPD
No

Learn more about this trial

ADP101 for Oral Immunotherapy in Food-Allergic Children and Adults

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