A Positron Emission Tomography (PET) study to examine the properties of a novel radioligand's suitability for imaging mutant huntingtin

2024-515786-34-02 Protocol CS-5583 Human pharmacology (Phase I) - Other Ongoing, recruiting

Start 24 Feb 2026 · Status Ongoing, recruiting · 1 EU/EEA countries · 1 sites · Protocol CS-5583

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Other
Status Ongoing, recruiting
Participants planned 27
Countries 1
Sites 1

Huntington's disease

Key facts

Sponsor
CHDI Foundation Inc.
Participant type
Patients, Healthy volunteers
Age range
18-64 years
Gender
Male and Female
Therapeutic area
Diseases [C] - Congenital, Hereditary, and Neonatal Diseases and Abnormalities [C16]
Trial duration
24 Feb 2026 → ongoing
Decision date (initial)
2024-12-17
Transition trial
Yes
Low-intervention
No
Rare-disease indication
Yes
Vulnerable population
No

External identifiers

EU CT number
2024-515786-34-02
EudraCT number
2022-004221-41
ClinicalTrials.gov
NCT06634628

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Huntington's disease

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

CHDI Foundation Inc.

Sponsor organisation
CHDI Foundation Inc.
Address
350 7th Avenue
City
New York
Postcode
10001-5013
Country
United States

Scientific contact point

Organisation
CHDI Foundation Inc.
Contact name
Prof Wim Vandenberghe

Public contact point

Organisation
CHDI Foundation Inc.
Contact name
Prof Wim Vandenberghe

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Belgium Ongoing, recruiting 27 1
Rest of world 0

Investigational sites

Belgium

1 site · Ongoing, recruiting
UZ Leuven
Department of Neurology, Herestraat 49, 3000, Leuven

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Belgium 2026-02-24 2026-02-26

Application history

4 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-12-11 Belgium Acceptable
2024-12-17
2024-12-17
2 SUBSTANTIAL MODIFICATION SM-1 2025-06-10 Belgium Acceptable
2025-07-07
2025-07-31
3 SUBSTANTIAL MODIFICATION SM-2 2026-01-07 Belgium Acceptable
2026-01-27
2026-01-29
4 NON SUBSTANTIAL MODIFICATION NSM-1 2026-04-02 Belgium Acceptable
2026-01-27
2026-04-02