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Trial · NCT03337542

AR101 Real-World Open-Label Extension Study

NCT03337542, Phase 3, Completed, Aimmune Therapeutics, Inc.; results first posted 2021-11-02

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. AR101 Real-World Open-Label Extension Study. Trials, record NCT03337542. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT03337542

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
AR101 Real-World Open-Label Extension Study
NCT number
NCT03337542
Status
Completed
Phases
Phase 3
Enrollment
243 participants, actual
Lead sponsor
Aimmune Therapeutics, Inc.
Conditions
Peanut Allergy
Interventions
AR101
First posted
2017-11-09
Last updated
2021-11-02
Results first posted
2021-11-02

Source ClinicalTrials.gov

Registered outcomes11

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryNumber of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)Approximately 6 monthsNumber of participants with treatment-emergent adverse events including serious adverse events during the overall study period (safety and tolerability)
SecondaryNumber of Participants With Premature Discontinuation of Dosing Due to Adverse EventsApproximately 6 months
SecondaryNumber of Participants With Early Discontinuation of Dosing Due to Chronic/Recurrent GI Adverse EventsApproximately 6 months
SecondaryPercentage of Subjects With Chronic/Recurrent GI Adverse Events Resolving Before 2, Between 2 and 4, Between 4 and 12, and ≥ 12 Weeks After Discontinuation of DosingApproximately 6 months
SecondaryNumber of Participants With Allergic Hypersensitivity Adverse EventsApproximately 6 months
SecondaryNumber of Participants With of Anaphylaxis as Defined in the ProtocolApproximately 6 months
Anaphylaxis is likely when any 1 of the 3 following sets of criteria is fulfilled: 1. Acute onset of an illness (minutes to hours) with involvement of: (a) Skin/mucosal tissue (eg, generalized hives, itch/flush, swollen lips/tongue/uvula); AND (b) Airway compromise (eg, dyspnea, stridor, wheeze/bronchospasm, hypoxia, reduced PEFR); AND/OR (c) Reduced BP or associated symptoms (eg, hypotonia, syncope, incontinence). 2. Two or more of the following that occur rapidly after exposure to the allergen (minutes to hours): (a) Skin/mucosal tissue; (b) Airway compromise; (c) Reduced BP or associated symptoms; (d) Persistent GI symptoms (eg, nausea, vomiting, crampy abdominal pain). 3. Reduced BP after exposure to the allergen (minutes to hours). Infants and children: low systolic BP (age-specific) or \> 30% drop in systolic BP; Adults: systolic BP \< 90 mm Hg or \> 30% drop from their baseline.
SecondaryNumber of Participants With Epinephrine Use as Rescue MedicationApproximately 6 months
SecondaryNumber of Participants With Accidental/Nonaccidental Ingestion of Peanut and Other Allergenic FoodsApproximately 6 monthsNumber of participants with accidental/nonaccidental ingestion of peanut (not AR101 or food challenge material) and other allergenic foods.
SecondaryAssessment of Asthma Control Using the Childhood Asthma Control Test (C-ACT) Questionnaire Total Score From Baseline, Every 4 Weeks, Early Discontinuation and Study Exit, Ages 4-11
Baseline, Maintenance Visit 1 (Wk 4), Maintenance Visit 2 (Wk 8), Maintenance Visit 3 (Wk 12), Maintenance Visit 4 (Wk 16), Maintenance Visit 5 (Wk 20), Maintenance Visit 6 (Wk 24), Early Discontinuation (14 days after last dose), Study Exit (~6 months)
The C-ACT for subjects aged 4 to 11 years included 4 questions for the subject and 3 questions for the parent/caregiver; the total score (sum of 7 questions) ranged from 0 (worst control) to 27 (total control).
SecondaryAssessment of Asthma Control Using the Asthma Control Test (ACT) Questionnaire Total Score From Baseline, Every 4 Weeks, Early Discontinuation and Study Exit, Ages 12-17
Baseline, Maintenance Visit 1 (Wk 4), Maintenance Visit 2 (Wk 8), Maintenance Visit 3 (Wk 12), Maintenance Visit 4 (Wk 16), Maintenance Visit 5 (Wk 20), Maintenance Visit 6 (Wk 24), Early Discontinuation (14 days after last dose), Study Exit (~6 months)
The ACT for subjects aged 12 to 17 years consisted of 5 questions, and the total score (sum of 5 questions) ranged from 5 (worst control) to 25 (total control).

Outcomes11

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYNumber of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)Approximately 6 monthsSafety population defined as all subjects who received at least 1 dose of AR101.ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Participants With Premature Discontinuation of Dosing Due to Adverse EventsApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of AR101ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Participants With Early Discontinuation of Dosing Due to Chronic/Recurrent GI Adverse EventsApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of AR101ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYPercentage of Subjects With Chronic/Recurrent GI Adverse Events Resolving Before 2, Between 2 and 4, Between 4 and 12, and ≥ 12 Weeks After Discontinuation of DosingApproximately 6 months
Safety population defined as all subjects who received at least 1 dose of AR101 Number of participants analyzed: subjects who discontinued dosing due to chronic/recurrent gastrointestinal adverse events.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Participants With Allergic Hypersensitivity Adverse EventsApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of AR101.~Threshold of allergic hypersensitivity AE reporting ≥ 5%ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Participants With of Anaphylaxis as Defined in the ProtocolApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of AR101.ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Participants With Epinephrine Use as Rescue MedicationApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of AR101.ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYNumber of Participants With Accidental/Nonaccidental Ingestion of Peanut and Other Allergenic FoodsApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of AR101.ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYAssessment of Asthma Control Using the Childhood Asthma Control Test (C-ACT) Questionnaire Total Score From Baseline, Every 4 Weeks, Early Discontinuation and Study Exit, Ages 4-11
Baseline, Maintenance Visit 1 (Wk 4), Maintenance Visit 2 (Wk 8), Maintenance Visit 3 (Wk 12), Maintenance Visit 4 (Wk 16), Maintenance Visit 5 (Wk 20), Maintenance Visit 6 (Wk 24), Early Discontinuation (14 days after last dose), Study Exit (~6 months)
Safety population defined as all subjects who received at least 1 dose of AR101.~The C-ACT questionnaire was not completed by all subjects and/or parents/caregivers at all protocol-defined points of collection
score on a scaleMEAN
SECONDARYAssessment of Asthma Control Using the Asthma Control Test (ACT) Questionnaire Total Score From Baseline, Every 4 Weeks, Early Discontinuation and Study Exit, Ages 12-17
Baseline, Maintenance Visit 1 (Wk 4), Maintenance Visit 2 (Wk 8), Maintenance Visit 3 (Wk 12), Maintenance Visit 4 (Wk 16), Maintenance Visit 5 (Wk 20), Maintenance Visit 6 (Wk 24), Early Discontinuation (14 days after last dose), Study Exit (~6 months)
Safety population defined as all subjects who received at least 1 dose of AR101.~The ACT questionnaire was not completed by all subjects and/or parents/caregivers at all protocol-defined points of collection
score on a scaleMEAN

Results by group54

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Subjects with at least 1 Adverse Event (AE)219Participants
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Mild AE176Participants
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Moderate AE43Participants
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Severe AE0Participants
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Life-threatening AE0Participants
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Death AE0Participants
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Subjects with at least 1 Serious Adverse Event (SAE)1Participants
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Mild SAE0Participants
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Moderate SAE1Participants
Number of Participants With Treatment-Emergent Adverse Events (Safety and Tolerability)AR101Severe SAE0Participants

Participant flow4

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDAR101243
Overall StudySafety PopulationAR101242
Overall StudyCOMPLETEDAR101222
Overall StudyNOT COMPLETEDAR10121

Adverse events24

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAbdominal discomfortGastrointestinal disordersTreatment Arm Description45242
otherVomitingGastrointestinal disordersTreatment Arm Description39242
otherAbdominal painGastrointestinal disordersTreatment Arm Description34242
otherNauseaGastrointestinal disordersTreatment Arm Description30242
otherAbdominal pain upperGastrointestinal disordersTreatment Arm Description15242
otherOral pruritisGastrointestinal disordersTreatment Arm Description15242
otherCoughRespiratory, thoracic and mediastinal disordersTreatment Arm Description47242
otherThroat irritationRespiratory, thoracic and mediastinal disordersTreatment Arm Description43242
otherNasal congestionRespiratory, thoracic and mediastinal disordersTreatment Arm Description23242
otherOropharyngeal painRespiratory, thoracic and mediastinal disordersTreatment Arm Description23242

Adverse event totals3

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityTreatment Arm Description0242
Total, other adverse eventsTreatment Arm Description219242
Total, serious adverse eventsTreatment Arm Description1242

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
34389504DERIVED

Source PubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT03337542

GET https://conductscience.org/api/trials/v1/NCT03337542/results?page=2