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Trial · NCT03126227

Real-World AR101 Market-Supporting Experience Study in Peanut-Allergic Children (RAMSES)

NCT03126227, 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. Real-World AR101 Market-Supporting Experience Study in Peanut-Allergic Children (RAMSES). Trials, record NCT03126227. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT03126227

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Trial

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

Title
Real-World AR101 Market-Supporting Experience Study in Peanut-Allergic Children (RAMSES)
NCT number
NCT03126227
Status
Completed
Phases
Phase 3
Enrollment
506 participants, actual
Lead sponsor
Aimmune Therapeutics, Inc.
Conditions
Peanut Allergy
Interventions
AR101, Placebo
First posted
2017-04-24
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
PrimaryFrequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsApproximately 6 months
Frequency of Treatment Emergent Adverse Events, including Serious Adverse Events, during the overall study period. Treatment-emergent adverse events were defined as adverse events with onset after the first dose of study product.
SecondaryFrequency of Premature Discontinuation of Dosing Due to Adverse EventsApproximately 6 months
SecondaryFrequency of Premature Discontinuation of Dosing Due to Chronic/Recurrent Gastrointestinal Adverse EventsApproximately 6 months
SecondaryProportion of Chronic/Recurrent Gastrointestinal Adverse Events Resolving <2, Between 2-4, Between 4-12, and ≥ 12 Weeks Following Discontinuation of DosingApproximately 6 months
SecondaryFrequency of Allergic Hypersensitivity Adverse Events Normalized for Duration of TreatmentApproximately 6 months
SecondaryFrequency 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.
SecondaryFrequency of Epinephrine Use as Rescue MedicationApproximately 6 months
SecondaryFrequency of Accidental Ingestion of Peanut and Other Allergenic FoodsApproximately 6 months
SecondaryChange of Asthma Control Using the Asthma Control Test (ACT) Questionnaire Total Score From Baseline to Interim (80 mg), End of Up-Dosing (300 mg) and Study Exit, Ages 4-11Baseline, Interim dose (approx. 10 weeks), End of Up-Dosing (20 to 40 weeks), Study Exit (14 days after End of Up-Dosing, usually approx. 6 months)
The Asthma Control Test (ACT) Questionnaire ACT for subjects aged 4-11 years included 4 questions for the subject and 3 questions for the parent; the total score (sum of 7 questions) ranged from 0 (worst control) to 27 (total control)
SecondaryChange of Asthma Control Using the Asthma Control Test (ACT) Questionnaire Total Score From Baseline to Interim (80 mg), End of Up-Dosing (300 mg) and Study Exit, Ages 12-17Baseline, Interim dose (approx. 10 weeks), End of Up-Dosing (20 to 40 weeks), Study Exit (14 days after End of Up-Dosing, usually approx. 6 months)The Asthma Control Test (ACT) Questionnaire ACT for subjects aged 12-17 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
PRIMARYFrequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of randomized study treatment.ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYFrequency of Premature Discontinuation of Dosing Due to Adverse EventsApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of randomized study treatmentParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYFrequency of Premature Discontinuation of Dosing Due to Chronic/Recurrent Gastrointestinal Adverse EventsApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of randomized study treatmentParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYProportion of Chronic/Recurrent Gastrointestinal Adverse Events Resolving <2, Between 2-4, Between 4-12, and ≥ 12 Weeks Following Discontinuation of DosingApproximately 6 months
Safety population defined as all subjects who received at least 1 dose of randomized study treatment.~Number of participants analyzed: subjects who discontinued dosing due to chronic/recurrent gastrointestinal adverse events.~None of the subjects in Placebo group discontinued dosing due to chronic/recurrent gastrointestinal adverse events.
ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYFrequency of Allergic Hypersensitivity Adverse Events Normalized for Duration of TreatmentApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of randomized study treatmentnumber of eventsNUMBER
SECONDARYFrequency of Anaphylaxis as Defined in the ProtocolApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of randomized study treatmentParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYFrequency of Epinephrine Use as Rescue MedicationApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of randomized study treatmentParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYFrequency of Accidental Ingestion of Peanut and Other Allergenic FoodsApproximately 6 monthsSafety population defined as all subjects who received at least 1 dose of randomized study treatmentParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYChange of Asthma Control Using the Asthma Control Test (ACT) Questionnaire Total Score From Baseline to Interim (80 mg), End of Up-Dosing (300 mg) and Study Exit, Ages 4-11Baseline, Interim dose (approx. 10 weeks), End of Up-Dosing (20 to 40 weeks), Study Exit (14 days after End of Up-Dosing, usually approx. 6 months)
Safety population defined as all subjects who received at least 1 dose of randomized study treatment (included subjects ages 4-11 only).~The ACT questionnaire was not completed by all subjects and/or parents at all protocol-defined points of collection.
Change in ACT total score from baselineMEAN
SECONDARYChange of Asthma Control Using the Asthma Control Test (ACT) Questionnaire Total Score From Baseline to Interim (80 mg), End of Up-Dosing (300 mg) and Study Exit, Ages 12-17Baseline, Interim dose (approx. 10 weeks), End of Up-Dosing (20 to 40 weeks), Study Exit (14 days after End of Up-Dosing, usually approx. 6 months)
Safety population defined as all subjects who received at least 1 dose of randomized study treatment (included subjects ages 12-17 only).~The ACT questionnaire was not completed by all subjects and/or parents at all protocol-defined points of collection.
Change in ACT total score from baselineMEAN

Results by group114

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

OutcomeGroupCategoryValueSpreadUnits
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsAR101 Powder Provided in CapsulesSubjects with at least 1 AE334Participants
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsPlacebo PowderSubjects with at least 1 AE159Participants
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsAR101 Powder Provided in CapsulesMild AE171Participants
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsPlacebo PowderMild AE110Participants
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsAR101 Powder Provided in CapsulesModerate AE151Participants
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsPlacebo PowderModerate AE47Participants
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsAR101 Powder Provided in CapsulesSevere AE11Participants
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsPlacebo PowderSevere AE1Participants
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsAR101 Powder Provided in CapsulesLife Threatening AE1Participants
Frequency of Treatment Emergent Adverse Events, Including Serious Adverse EventsPlacebo PowderLife Threatening AE0Participants

Participant flow6

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

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDAR101 Powder Provided in Capsules338
Overall StudySTARTEDPlacebo Powder168
Overall StudyCOMPLETEDAR101 Powder Provided in Capsules260
Overall StudyCOMPLETEDPlacebo Powder158
Overall StudyNOT COMPLETEDAR101 Powder Provided in Capsules78
Overall StudyNOT COMPLETEDPlacebo Powder10

Adverse events88

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

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAbdominal painGastrointestinal disordersAR101 Powder Provided in Capsules177337
otherAbdominal painGastrointestinal disordersPlacebo Powder34168
otherAbdominal discomfortGastrointestinal disordersAR101 Powder Provided in Capsules137337
otherAbdominal discomfortGastrointestinal disordersPlacebo Powder27168
otherVomitingGastrointestinal disordersAR101 Powder Provided in Capsules130337
otherVomitingGastrointestinal disordersPlacebo Powder28168
otherNauseaGastrointestinal disordersAR101 Powder Provided in Capsules114337
otherNauseaGastrointestinal disordersPlacebo Powder20168
otherAbdominal pain upperGastrointestinal disordersAR101 Powder Provided in Capsules75337
otherAbdominal pain upperGastrointestinal disordersPlacebo Powder24168

Adverse event totals6

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityAR101 Powder Provided in Capsules0337
Total, all-cause mortalityPlacebo Powder1168
Total, other adverse eventsAR101 Powder Provided in Capsules334337
Total, other adverse eventsPlacebo Powder159168
Total, serious adverse eventsAR101 Powder Provided in Capsules2337
Total, serious adverse eventsPlacebo Powder2168

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 comparisons8

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

ComparisonSource
AR101 Powder Provided in Capsules vs Placebo Powder: Frequency of Epinephrine Use as Rescue MedicationTrial comparisons
AR101 Powder Provided in Capsules vs Placebo Powder: Frequency of Accidental Ingestion of Peanut and Other Allergenic FoodsTrial comparisons
AR101 Powder Provided in Capsules vs Placebo Powder: Frequency of Adverse Events That Led to Early WithdrawalTrial comparisons
AR101 Powder Provided in Capsules vs Placebo Powder: Frequency of Premature Discontinuation of Dosing Due to Adverse EventsTrial comparisons
AR101 Powder Provided in Capsules vs Placebo Powder: Frequency of Anaphylaxis as Defined in the ProtocolTrial comparisons
AR101 Powder Provided in Capsules vs Placebo Powder: Frequency of Premature Discontinuation of Dosing Due to Chronic/Recurrent Gastrointestinal Adverse EventsTrial comparisons
AR101 Powder Provided in Capsules vs Placebo Powder: deaths from any causeTrial comparisons
AR101 Powder Provided in Capsules vs Placebo Powder: serious adverse eventsTrial comparisons

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/NCT03126227

GET https://conductscience.org/api/trials/v1/NCT03126227/results?page=2