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NCT05655520 · ClinicalTrials.gov registry record · Phase 3

A Study to Evaluate the Safety and Tolerability of SAGE-718 in Participants With Huntington's Disease

A Phase 3 study, sponsored by Supernus Pharmaceuticals.

Terminated
Registry status
Phase 3
Development phase
153
Enrollment target

NCT05655520: Clinical Trial Phase 3 study, sponsored by Supernus Pharmaceuticals.

NCT05655520 is a Phase 3 study that was terminated before completion, run by Supernus Pharmaceuticals. The registered enrollment target is 153 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (80% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT05655520, a Phase 3 study, was terminated before completion, sponsored by Supernus Pharmaceuticals.

TERMINATED
Registry status
Phase 3
Development phase
153 participants
Enrollment target

Study Summary

The primary purpose of the study is to evaluate the safety and tolerability of SAGE-718 softgel lipid capsule in participants with Huntington's Disease (HD)

Primary Outcome

An Adverse Event (AE) is any untoward medical occurrence in a patient or clinical investigation participant administered a pharmaceutical product and that does not necessarily have a causal relationship with this treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom or disease temporally associated with the use of a medicinal (investigational) product whether or not related to the medicinal (investigational) product. A TEAE is d

Interventions

  • DRUG SAGE-718

Trial Details

FieldValue
Enrollment Target 153 participants
Start Date 2022-12-14
Est. Completion 2025-01-20
Phase Phase 3
Supernus Pharmaceuticals

57 total trials

Why NCT05655520 stopped before completion

NCT05655520 is an interventional study that assigns participants to a tested intervention. The registered 153 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (80% lower).

The record links to 0 conditions, and to 1 intervention - of which SAGE-718 is the first listed.

NCT05655520 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05655520 about?

NCT05655520 is a clinical study titled "A Study to Evaluate the Safety and Tolerability of SAGE-718 in Participants With Huntington's Disease". The primary purpose of the study is to evaluate the safety and tolerability of SAGE-718 softgel lipid capsule in participants with Huntington's Disease (HD)

What is the current status of trial NCT05655520?

This trial is currently terminated. It is a Phase 3 study. The enrollment target is 153 participants. The study started on 2022-12-14. Estimated completion is 2025-01-20.

What interventions are being tested in trial NCT05655520?

The interventions under investigation include: SAGE-718 (DRUG).

Who is sponsoring clinical trial NCT05655520?

This trial is sponsored by Supernus Pharmaceuticals, which has 57 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05655520's enrollment target sits among peer trials

153 1510th of 2000 higher than 488 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT05655520, the US trial registry maintained by the National Library of Medicine. NCT05655520 (mid enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.