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Open-label Extension Study of ADP101
An Open-Label Extension Study Evaluating the Safety and Efficacy of ADP101 for Oral Immunotherapy in Food-Allergic Children and Adults (The Encore Study)
1 other identifier
interventional
45
1 country
14
Brief Summary
This is an open-label, safety extension study for participants who participated in the Harmony study (protocol ADP101-MA-01).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Mar 2022
Typical duration for phase_1
14 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 3, 2022
CompletedFirst Posted
Study publicly available on registry
February 17, 2022
CompletedStudy Start
First participant enrolled
March 14, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 27, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
February 27, 2024
CompletedMarch 26, 2024
March 1, 2024
2 years
February 3, 2022
March 22, 2024
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Long-term safety and tolerability of ADP101
Incidence of adverse events including serious adverse events during the study period.
Through study completion, approximately 4-6 years
Secondary Outcomes (1)
Food Allergy Desensitization
Week 40
Study Arms (1)
Treatment Options 1, 2, 3, 4, 5
EXPERIMENTALParticipants will fall into 1 of 5 treatment options dependent on the treatment received (ADP101 or placebo) during the parent study and their tolerance of the treatment regimen during the parent study.
Interventions
Eligibility Criteria
You may qualify if:
- Subjects must have completed the ADP101-MA-01 (The Harmony Study) and been compliant with study drug per protocol
You may not qualify if:
- History of or current EoE, other eosinophilic gastrointestinal disease, chronic, recurrent or severe GERD, symptoms of dysphagia
- Hypersensitivity to epinephrine or any of the excipients in ADP101
- Prior or 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, except ADP101
- investigational agents other than ADP101
- in the build up phase of non-food immunotherapy
- Any other condition that might preclude safe participation in the study
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (14)
Study Site
Mission Viejo, California, 92691, United States
Study Site
Rolling Hills Estates, California, 90274, United States
Study Site
San Diego, California, 92123, United States
Study Site
Colorado Springs, Colorado, 80907, United States
Study Site
Denver, Colorado, 80230, United States
Study Site
Tampa, Florida, 33620, United States
Study Site
Atlanta, Georgia, 30329, United States
Study Site
Marietta, Georgia, 30060, United States
Study Site
Normal, Illinois, 61761, United States
Study Site
Ann Arbor, Michigan, 48108, United States
Study Site
Chapel Hill, North Carolina, 27599, United States
Study Site
Cincinnati, Ohio, 45229, United States
Study Site
Charleston, South Carolina, 29420, United States
Study Site
Seattle, Washington, 98115, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Mei-Lun Wang, MD
VP of Clinical Development, Alladapt Immunotherapeutics, Inc.
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 3, 2022
First Posted
February 17, 2022
Study Start
March 14, 2022
Primary Completion
February 27, 2024
Study Completion
February 27, 2024
Last Updated
March 26, 2024
Record last verified: 2024-03
Data Sharing
- IPD Sharing
- Will not share