Overview
Sponsor-declared trial summary
Phase
Human pharmacology (Phase I) - Other
Status
Ongoing, recruiting
Participants planned
54
Countries
1
Sites
1
Acute and Chronic pain
Key facts
- Sponsor
- Merck Sharp & Dohme LLC
- Participant type
- Healthy volunteers
- Age range
- 18-64 years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Nervous System Diseases [C10]
- Trial duration
- 16 Mar 2026 → ongoing
- Decision date (initial)
- 2026-03-02
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- No
External identifiers
- EU CT number
- 2025-524570-41-00
- WHO UTN
- U1111-1331-1614
Trial design
CTIS Part I — objectives, methods, condition coding
Conditions and MedDRA coding
Acute and Chronic pain
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 20.1 | LLT | 10066714 | Acute pain | 10018065 |
| 20.1 | LLT | 10049475 | Chronic pain | 10018065 |
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Merck Sharp & Dohme LLC
- Sponsor organisation
- Merck Sharp & Dohme LLC
- Address
- 126 East Lincoln Avenue, P. O. Box 2000 P. O. Box 2000
- City
- Rahway
- Postcode
- 07065-4607
- Country
- United States
Scientific contact point
- Organisation
- Merck Sharp & Dohme LLC
- Contact name
- Jonathan Kurz
Public contact point
- Organisation
- Merck Sharp & Dohme LLC
- Contact name
- Jonathan Kurz
Locations
1 EU/EEA country · 1 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Belgium | Ongoing, recruiting | 54 | 1 |
| Rest of world | — | 0 | — |
Investigational sites
Country notifications
Trial-start, recruitment-start, end and early-termination notifications submitted per Member State
| Country | Trial start | Trial end | Recruitment start | Recruitment end | Early termination |
|---|---|---|---|---|---|
| Belgium | 2026-03-16 | 2026-03-17 |
Application history
3 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2026-01-23 | Belgium | Acceptable with conditions 2026-03-02
|
2026-03-02 |
| 2 | SUBSTANTIAL MODIFICATION | SM-1 | 2026-03-06 | Belgium | Acceptable 2026-03-20
|
2026-03-20 |
| 3 | SUBSTANTIAL MODIFICATION | SM-2 | 2026-04-13 | Belgium | Acceptable 2026-04-28
|
2026-04-30 |