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ARD-101

Phase 3

Bariatric Surgery | Small molecule | Metabolic |Aardvark Therapeutics, Inc.|Last Updated: Sep 8, 2026

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 Trials1
Total Enrollment12

FDA Designations

ORPHAN_DRUGRARE_PEDIATRIC_DISEASE

Clinical trial landscape

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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Frequently asked questions about ARD-101

What is ARD-101 used for?

ARD-101 is an investigational small molecule being studied for metabolic conditions, specifically obesity, Prader-Willi syndrome, and weight management in adults receiving bariatric surgery. It is being developed by Aardvark Therapeutics, Inc. (NASDAQ: AARD) and is currently in Phase 2 clinical development.

Who makes ARD-101?

ARD-101 is being developed by Aardvark Therapeutics, Inc., a biopharmaceutical company traded on NASDAQ under the ticker AARD. The company is conducting clinical trials of ARD-101 in the United States for obesity, Prader-Willi syndrome, and bariatric surgery-related weight gain.

What phase is ARD-101 in?

ARD-101 is in Phase 2 clinical development. It is an investigational drug and has not been approved by the FDA. Three Phase 2 trials have been completed, each evaluating the drug in a different metabolic condition: obesity, Prader-Willi syndrome, and bariatric surgery patients.

What clinical trials is ARD-101 in?

ARD-101 has completed three Phase 2 clinical trials in the United States. NCT05121441 evaluated ARD-101 in 20 adults with obesity. NCT05153434 studied ARD-101 in 19 patients with Prader-Willi syndrome. NCT05215847 assessed ARD-101 in 12 adults receiving bariatric surgery for obesity and weight gain.

Has ARD-101 received FDA designations?

ARD-101 has received Orphan Drug designation and Rare Pediatric Disease designation from the FDA. These designations are granted for drugs intended to treat rare diseases, supporting the development of ARD-101 for Prader-Willi syndrome, a rare genetic disorder.

Is ARD-101 the same as any other drug?

ARD-101 is the sole name provided for this investigational drug. No alternative names or brand names have been associated with it in the available clinical trial information. It is a small molecule being developed by Aardvark Therapeutics for metabolic indications.