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Tradipitant · Nereus, VLY-686

Small molecule · Antagonist of neurokinin 1 receptor (TACR1) · developed by Vanda Pharms

Approved FDA, Dec 2025
VNDA Developer
4 Registered trials

What is Tradipitant?

Tradipitant is a selective antagonist of neurokinin 1 (NK1) receptors that crosses the blood-brain barrier. It blocks substance P signaling in the central nervous system to prevent motion-induced vomiting and is being studied for gastroparesis and pruritus associated with atopic dermatitis.

Summary written with AI from the sources listed at the end of this page.

At a glance

Also known as
Nereus, VLY-686, LY-686017
Drug type
Small molecule
Targets
neurokinin 1 receptor (TACR1)
Mechanism
Antagonist of neurokinin 1 receptor (TACR1)
Pathways
substance P signaling, neurogenic inflammation
Therapy area
Dermatology, Gastroenterology
Developer
Vanda Pharms Inc (VNDA)
FDA status
Approved as Nereus (December 30, 2025), NDA220152 · FDA label
UNII
NY0COC51FI

✅ FDA-approved uses

From the indications section of the FDA label (version of Jul 16, 2026). Read the full label for the exact wording, limitations and safety information.

🧪 Clinical trials

TrialPhaseConditionStatusSponsor
NCT06836557 Phase 3 Idiopathic Gastroparesis Recruiting VNDA
NCT04028492 Phase 3 Idiopathic Gastroparesis Completed VNDA
NCT02970968 Phase 2 Gastroparesis Completed VNDA
NCT02004041 Phase 2 Treatment-resistant Pruritus Associated With Atopic Dermatitis Completed VNDA

Trials of the companies BioRadar tracks, from ClinicalTrials.gov, most advanced phase first.

Conditions studied

Diabetic GastroparesisGastroparesisIdiopathic Gastroparesis

More from Vanda Pharms

Sources

Updated Oct 3, 2026. Something wrong or missing? Report it on the VNDA page.

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Data: FDA (Drugs@FDA, Purple Book, DailyMed), NIH (NCI Thesaurus, GSRS, RxNorm), ClinicalTrials.gov • Informational purposes only, not medical or investment advice. • All drugs A–Z

This data is for informational purposes only, not investment advice. BioRadar does not provide buy/sell recommendations. Past performance does not guarantee future results. Always do your own due diligence.