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AR101 powder provided in capsules

Aimmune Therapeutics, Inc. · Phase 2 active Biologic ✓ Verified Jun 2026

AR101 powder provided in capsules is a oral immunotherapy Biologic drug developed by Aimmune Therapeutics, Inc.. It is currently in Phase 2 development for Peanut allergy.

AR101 is an oral immunotherapy for peanut allergy.

AR101 powder is a treatment provided in capsules for peanut allergy, as studied in clinical trials such as the ARTEMIS trial. The exact mechanism of AR101 powder is unknown, according to ChEMBL.

Likelihood of approval
15.3% vs 15.3% industry baseline
If approved by FDA: likely 2031–2034
Steps remaining: Phase 3 → NDA/BLA submission
Confidence: Medium
Why this estimate
  • Baseline phase 2 → approval rate +15.3pp
    Industry-wide phase 2 drugs reach approval ~15.3% of the time (BIO/Informa 2023 industry benchmark across all therapeutic areas).
Predicted approval windows by jurisdiction (conditional on FDA approval)
Regulator Country Likely year Lag vs FDA
FDA US 2031–2034
EMA EU 2032–2035 +0.7 yr
MHRA GB 2032–2035 +0.7 yr
Health Canada CA 2032–2036 +0.9 yr
TGA AU 2032–2036 +1.2 yr
PMDA JP 2032–2036 +1.5 yr
NMPA CN 2033–2037 +2.3 yr
MFDS KR 2032–2036 +1.4 yr
CDSCO IN 2032–2037 +1.8 yr
ANVISA BR 2033–2037 +2.3 yr

Hover any row for the lag rationale. Lag estimates are reduced when the drug has FDA Breakthrough or EMA PRIME designation (sponsors file globally in parallel).

Estimate based on the BIO/Informa industry phase transition rates plus per-drug modifiers for therapeutic area, sponsor type, FDA designations, mechanism, and trial design. Per-jurisdiction lags from Tufts CSDD international approval studies. Not investment, clinical or regulatory advice. Methodology: /methodology#likelihood.

At a glance

Generic nameAR101 powder provided in capsules
SponsorAimmune Therapeutics, Inc.
Drug classoral immunotherapy
ModalityBiologic
Therapeutic areaAllergy
PhasePhase 2

Mechanism of action

AR101 works by gradually increasing tolerance to peanut protein through the ingestion of small, controlled amounts of peanut flour. This is achieved through a process called desensitization, where the body becomes less reactive to the presence of peanuts over time.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about AR101 powder provided in capsules

What is AR101 powder provided in capsules?

AR101 powder provided in capsules is a oral immunotherapy drug developed by Aimmune Therapeutics, Inc., indicated for Peanut allergy.

How does AR101 powder provided in capsules work?

AR101 is an oral immunotherapy for peanut allergy.

What is AR101 powder provided in capsules used for?

AR101 powder provided in capsules is indicated for Peanut allergy.

Who makes AR101 powder provided in capsules?

AR101 powder provided in capsules is developed by Aimmune Therapeutics, Inc. (see full Aimmune Therapeutics, Inc. pipeline at /company/aimmune-therapeutics-inc).

What drug class is AR101 powder provided in capsules in?

AR101 powder provided in capsules belongs to the oral immunotherapy class. See all oral immunotherapy drugs at /class/oral-immunotherapy.

What development phase is AR101 powder provided in capsules in?

AR101 powder provided in capsules is in Phase 2.

What are the side effects of AR101 powder provided in capsules?

Common side effects of AR101 powder provided in capsules include Gastrointestinal symptoms, Anaphylaxis.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing