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NCT04181723Snapshot 2026-09-08

Trofinetide · LAVENDER

A finished trial with results published in 2023.

Study completedPhase 3

Study level

Documented country*United States
Listed age5 – 20 years
Listed populationGirls and women
Study sponsorACADIA Pharmaceuticals Inc.

The aim, simply

LAVENDER compared trofinetide with placebo over 12 weeks in 187 participants. The linked paper reports effects and tolerability.

Criteria: guidance, not eligibility

The studied population was girls and women aged 5–20. This study no longer recruits.

What this cannot tell us

A study record describes research, not a guaranteed benefit or treatment access in your country.

Only the trial team can confirm eligibility. Age and country are not enough: the protocol includes other criteria. Status may also vary by study site.

Centre level

Partial list. A registry listing does not confirm a place. Check directly with the site.

Sites not transcribed in this selection. Consult the official record.

Sources for this record

ClinicalTrials.govNature Medicine · Résultats

Consulted · Sep 8, 2026

Sources consulted on 8 September 2026 · AI-assisted summaries and translations, not medically validated.