A Phase I, Randomized, Double-Blind, Placebo-Controlled, Dose Ascending, Single-Dose Study to Evaluate Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Immunogenicity of RAY121 in Healthy Volunteers

2024-515151-38-00 Protocol RAY104CT Human pharmacology (Phase I) - Other Ended

Start 6 Dec 2024 · End 10 Mar 2026 · Status Ended · 1 EU/EEA countries · 1 sites · Protocol RAY104CT

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Other
Status Ended
Participants planned 36
Countries 1
Sites 1

Nervous System disease

Key facts

Sponsor
Chugai Pharmaceutical Co. Ltd.
Participant type
Healthy volunteers
Age range
18-64 years
Gender
Male and Female
Therapeutic area
Diseases [C] - Nervous System Diseases [C10]
Trial duration
6 Dec 2024 → 10 Mar 2026
Decision date (initial)
2024-12-03
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Nervous System disease

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Chugai Pharmaceutical Co. Ltd.

Sponsor organisation
Chugai Pharmaceutical Co. Ltd.
Address
5-1 Ukima 5-Chome
City
Kita-Ku
Postcode
115-0051
Country
Japan

Scientific contact point

Organisation
Chugai Pharmaceutical Co. Ltd.
Contact name
Clinical trials information

Public contact point

Organisation
Chugai Pharmaceutical Co. Ltd.
Contact name
Clinical trials information

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Netherlands Ended 36 1
Rest of world 0

Investigational sites

Netherlands

1 site · Ended
Centre for Human Drug Research
n.a., Zernikedreef 8, 2333 CL, Leiden

Country notifications

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

Country Trial startTrial end Recruitment startRecruitment end Early termination
Netherlands 2024-12-06 2026-03-10 2024-12-16 2025-11-20

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-10-07 Netherlands Acceptable
2024-12-03
2024-12-03
2 NON SUBSTANTIAL MODIFICATION NSM-1 2025-02-17 Netherlands Acceptable
2024-12-03
2025-02-17
3 SUBSTANTIAL MODIFICATION SM-1 2025-03-13 Netherlands Acceptable
2025-03-25
2025-03-26