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ClinicalTrials.gov 3 recruiting now official registry

Huntington's Disease clinical trials

Every US clinical trial registered for Huntington's Disease — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.

9 US clinical trials · 3 currently recruiting

The research picture

Huntington's Disease has 9 registered US clinical trials, 3 of them open to new participants right now — about 33% of the total.

3
recruiting participants now
33%
of trials open to enrollment
0
in Phase 3–4 (later-stage)
3
top sponsor: Pfizer

Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.

Active & Recent Trials

RECRUITING 35,000 participants

Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort

CHDI Foundation

NCT01574053

RECRUITING 2,500 participants

HDClarity: a Multi-site Cerebrospinal Fluid Collection Initiative to Facilitate Therapeutic Development for Huntington's Disease

University College, London

NCT02855476

RECRUITING 400 participants

Child to Adult Neurodevelopment in Gene Expanded Huntington's Disease

Peggy C Nopoulos

NCT01860339

ACTIVE NOT RECRUITING Phase 1 43 participants

Safety and Proof-of-Concept (POC) Study With AMT-130 in Adults With Early Manifest Huntington's Disease

UniQure Biopharma B.V.

NCT04120493

COMPLETED Phase 2 272 participants

Randomized, Placebo Controlled Study Of The Efficacy And Safety Of PF-02545920 In Subjects With Huntington's Disease

Pfizer

NCT02197130

COMPLETED 75 participants

FuRST 2.0 Cognitive Pre-Testing

CHDI Foundation

NCT02881931

COMPLETED NA 24 participants

The Effect of Video Game Exercise on Dynamic Balance and Gait in Individuals With Huntington's Disease

Anne Kloos

NCT01735981

COMPLETED Phase 1 20 participants

A Phase 1, Non-Randomized, Open-Label, Single-Dose Study To Evaluate The Pharmacokinetics, Safety, And Tolerability Of Dimebon [PF 01913539] In Subjects With Severely-Impaired And Normal Renal Function

Pfizer

NCT00824590

COMPLETED Phase 1 14 participants

A Phase 1, Randomized, Open-Label, Two-Way Crossover Study To Evaluate The Steady-State Effect Of Dimebon (PF 01913539) On The Single-Dose Pharmacokinetics And Pharmacodynamics Of Warfarin In Healthy Subjects

Pfizer

NCT00827034

Phase Distribution

PhaseTrial count
Phase 1 3
Phase 2 1

Top Sponsors

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Reading the Huntington's Disease Trial Landscape

ClinicalTrials.gov lists 9 US studies indexed under Huntington's Disease, and 3 of those are currently open to recruitment — roughly 33% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.

The phase distribution for Huntington's Disease shows 0 late-stage studies (Phase 3 and Phase 4 combined) alongside 4 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.

Top sponsor activity for Huntington's Disease is led by Pfizer with 3 indexed trials, alongside 5 other organizations in the top contributor list. The list on this page surfaces up to 9 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.

Frequently Asked Questions

How many clinical trials are there for Huntington's Disease?

PlainTrial tracks 9 US clinical trials for Huntington's Disease, of which 3 are currently recruiting participants. Data sourced from ClinicalTrials.gov.

How do I find a recruiting trial for Huntington's Disease?

Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.

Is this data current?

Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.

Related

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.

Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.

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