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ARD-101

Phase 3

Bariatric Surgery | Small Molecules | Metabolic |Aardvark Therapeutics, Inc.|Trials Updated: Sep 8, 2026

ARD-101 development status

Highest phase Phase 3 (NCT07197034)
Phase scored for AARDPhase 2
Registered trials 5 across 1 sponsor since Nov 2021

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials3
Total Enrollment51

FDA Designations

No designations recorded

ARD-101 clinical trials

ARD-101 · 3 trials · 4 indications

Phase 2 3
NCT05153434A Study of Oral ARD-101 in Patients With Prader-Willi SyndromePrader-Willi Syndrome
COMPLETED19 Analytics
NCT05215847Study to Evaluate ARD-101 in Adults Receiving Bariatric SurgeryBariatric Surgery
COMPLETED12 Analytics
NCT05121441Study to Evaluate ARD-101 in Adults With ObesityObesity
COMPLETED20 Analytics
PHASE2COMPLETED
A Study of Oral ARD-101 in Patients With Prader-Willi Syndrome
Prader-Willi SyndromeUnlock trial analytics
PHASE2COMPLETED
Study to Evaluate ARD-101 in Adults Receiving Bariatric Surgery
Bariatric SurgeryUnlock trial analytics
PHASE2COMPLETED
Study to Evaluate ARD-101 in Adults With Obesity
ObesityUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence of Treatment Emergent Adverse Events (TEAE)
Adverse Events were collected from time of informed consent through end of study; approximately 70 days (28 days of screening, 28 days of treatment, 14 days post treatment follow up).

The incidence of treatment emergent adverse events (TEAE) reported through the 28 days of treatment and the 14 days post treatment phase. TEAEs were those events occurring after treatment began.

Relative Change in Body Weight (%)
Baseline and Day 28

The percent total weight change at the end of treatment from baseline

Secondary Endpoints

Efficacy Evaluation of Hyperphagia in Prader-Willi Syndrome
Baseline, Day 15, Day 28
Change in Body Weight
Baseline to day 28
Incidence of Treatment-emergent Adverse Events (TEAE)
Days 1-28
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
ARD-101 (Fixed Dose)EXPERIMENTALARD-101: 4 weeks dosing at 200 mg BID (twice daily)
ARD-101 (Dose Escalation)EXPERIMENTALARD-101: 1 week at 400 mg BID (twice daily), second week at 600 mg BID, third and fourth weeks at 800 mg BID. Oral administration.
ARD-101EXPERIMENTALDose 200 mg of ARD-101, twice daily for 28 days
Placebo ComparatorPLACEBO_COMPARATORPlacebo arm matching active arm ARD-101, 200 mg BID

Interventions

NameTypeDescription
ARD-101DRUGOral administration of ARD-101 taken BID (twice daily) for 28 days.
PlaceboDRUGTwice daily, oral administration
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Eligibility Criteria

Age Range17 Years to 65 Years
SexALL
Healthy VolunteersNo
Study Sites2

Inclusion Criteria: * Male and female subjects, 17-65 years of age * Provide voluntary, written informed consent (parent(s) / legal guardian(s) of participant); provide voluntary, written assent (participants, as appropriate) * PWS due to chromosome 15 micro-deletion, maternal uniparental disomy, o...

Countries:United States
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Recent Changes (Last 90 Days)

MEDIUMOct 9, 2026NCT05153434TRIAL_REMOVED: changed
MEDIUMOct 9, 2026NCT05153434TRIAL_REMOVED: changed

Frequently asked questions about ARD-101

What is ARD-101?

ARD-101 is an oral small molecule drug developed by Aardvark Therapeutics, Inc. for metabolic conditions. It is being studied in obesity, Prader-Willi syndrome, and in adults undergoing bariatric surgery. ARD-101 is investigational and remains in clinical development.

What is ARD-101 used for?

ARD-101 is being developed for obesity, Prader-Willi syndrome, and weight management in adults receiving bariatric surgery. Clinical studies have enrolled adults with obesity, patients with Prader-Willi syndrome, and adults undergoing bariatric surgery. It has not been approved for any indication and remains investigational.

Who makes ARD-101?

ARD-101 is developed by Aardvark Therapeutics, Inc., which trades under the ticker AARD. The company is the sponsor of the clinical studies evaluating ARD-101 in obesity, Prader-Willi syndrome, and bariatric surgery patients.

What phase is ARD-101 in?

ARD-101 is in Phase 2 clinical development. All three of its reported trials are Phase 2 studies, and all have been completed. The drug is investigational and has not been approved by the FDA for any indication.

What clinical trials is ARD-101 in?

ARD-101 has been evaluated in three completed Phase 2 trials: NCT05215847 in adults receiving bariatric surgery, NCT05153434 in patients with Prader-Willi syndrome, and NCT05121441 in adults with obesity. All three studies were conducted in the United States.

How many patients have been studied with ARD-101?

The ARD-101 clinical program has enrolled a total of 20 participants across its reported trials. The bariatric surgery study NCT05215847 enrolled 12 participants, the Prader-Willi syndrome study NCT05153434 enrolled 19, and the obesity study NCT05121441 enrolled 20.