Overview
Sponsor-declared trial summary
Myasthenia gravis (MG)
Key facts
- Sponsor
- Celgene Corp.
- Participant type
- Patients
- Age range
- 18-64 years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Immune System Diseases [C20]
- Trial duration
- 22 May 2024 → ongoing
- Decision date (initial)
- 2024-05-02
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- Yes
External identifiers
- EU CT number
- 2023-507820-22-00
- WHO UTN
- U1111-1296-8579
Trial design
CTIS Part I — objectives, methods, condition coding
Conditions and MedDRA coding
Myasthenia gravis (MG)
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 21.1 | PT | 10028417 | Myasthenia gravis | 100000004852 |
| 20.1 | PT | 10028245 | Multiple sclerosis | 100000004852 |
| 21.0 | PT | 10080700 | Relapsing multiple sclerosis | 100000004852 |
| 26.1 | PT | 10053395 | Progressive multiple sclerosis | 100000004852 |
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Celgene Corp.
- Sponsor organisation
- Celgene Corp.
- Address
- Route 206 And Province Line Road
- City
- Princeton
- Postcode
- 08543-4000
- Country
- United States
Scientific contact point
- Organisation
- Celgene Corp.
- Contact name
- GSM-CT
Public contact point
- Organisation
- Celgene Corp.
- Contact name
- GSM-CT
Locations
4 EU/EEA countries · 13 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Belgium | Temporarily halted | 9 | 2 |
| France | Temporarily halted | 10 | 2 |
| Germany | Temporarily halted | 11 | 5 |
| Spain | Temporarily halted | 26 | 4 |
| Rest of world
United States, United Kingdom
|
— | 62 | — |
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 | 2024-07-18 | 2025-01-22 | 2026-05-29 | ||
| France | 2025-04-28 | 2025-06-16 | 2026-05-29 | ||
| Germany | 2024-05-23 | 2024-06-04 | 2026-05-29 | ||
| Spain | 2024-05-22 | 2024-07-16 | 2026-05-29 |
Oversight and notifications
Regulatory notifications under CTR Articles 38, 52, 53, 54 and 77
Temporary halts 4 · Art. 38 CTR
Temporary halt TH-137035
- Halt date
- 2026-05-29
- Member states concerned
- Germany
- Publication date
- 2026-06-02
- Reason
- Sponsor decision
- Follow-up measures
- Please refer to the DIL uploaded as a supporting document.
- Benefit-risk balance changed
- Yes
- Treatment stopped
- Yes
Temporary halt TH-137033
- Halt date
- 2026-05-29
- Member states concerned
- Spain
- Publication date
- 2026-06-02
- Reason
- Sponsor decision
- Follow-up measures
- Please refer to the DIL uploaded as a supporting document.
- Benefit-risk balance changed
- Yes
- Treatment stopped
- Yes
Temporary halt TH-137039
- Halt date
- 2026-05-29
- Member states concerned
- Belgium
- Publication date
- 2026-06-02
- Reason
- Sponsor decision
- Follow-up measures
- Please refer to the DIL uploaded as a supporting document.
- Benefit-risk balance changed
- Yes
- Treatment stopped
- Yes
Temporary halt TH-137037
- Halt date
- 2026-05-29
- Member states concerned
- France
- Publication date
- 2026-06-02
- Reason
- Sponsor decision
- Follow-up measures
- Please refer to the DIL uploaded as a supporting document.
- Benefit-risk balance changed
- Yes
- Treatment stopped
- Yes
Application history
19 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2023-12-08 | Germany | Acceptable 2024-04-30
|
2024-05-02 |
| 2 | NON SUBSTANTIAL MODIFICATION | NSM-1 | 2024-05-02 | Acceptable 2024-04-30
|
2024-05-02 | |
| 3 | NON SUBSTANTIAL MODIFICATION | NSM-2 | 2024-05-03 | Acceptable 2024-04-30
|
2024-05-03 | |
| 4 | NON SUBSTANTIAL MODIFICATION | NSM-3 | 2024-05-06 | Acceptable 2024-04-30
|
2024-05-06 | |
| 5 | NON SUBSTANTIAL MODIFICATION | NSM-4 | 2024-05-07 | Germany | Acceptable 2024-04-30
|
2024-05-07 |
| 6 | SUBSTANTIAL MODIFICATION | SM-1 | 2024-05-08 | Acceptable | 2024-05-22 | |
| 7 | NON SUBSTANTIAL MODIFICATION | NSM-5 | 2024-05-22 | Germany | 2024-05-22 | |
| 8 | NON SUBSTANTIAL MODIFICATION | NSM-6 | 2024-05-31 | Germany | 2024-05-31 | |
| 9 | SUBSTANTIAL MODIFICATION | SM-2 | 2024-07-17 | Germany | Acceptable 2024-10-21
|
2024-10-21 |
| 10 | NON SUBSTANTIAL MODIFICATION | NSM-7 | 2024-10-30 | Germany | Acceptable 2024-10-21
|
2024-10-30 |
| 11 | SUBSTANTIAL MODIFICATION | SM-3 | 2024-11-19 | Germany | Acceptable 2025-03-03
|
2025-03-03 |
| 12 | NON SUBSTANTIAL MODIFICATION | NSM-8 | 2025-03-06 | Germany | Acceptable 2025-03-03
|
2025-03-06 |
| 13 | NON SUBSTANTIAL MODIFICATION | NSM-9 | 2025-03-06 | Acceptable 2025-03-03
|
2025-03-06 | |
| 14 | NON SUBSTANTIAL MODIFICATION | NSM-10 | 2025-03-06 | Acceptable 2025-03-03
|
2025-03-06 | |
| 15 | NON SUBSTANTIAL MODIFICATION | NSM-11 | 2025-04-30 | Germany | Acceptable 2025-03-03
|
2025-04-30 |
| 16 | SUBSTANTIAL MODIFICATION | SM-4 | 2025-07-09 | Germany | Acceptable 2025-10-13
|
2025-10-14 |
| 17 | NON SUBSTANTIAL MODIFICATION | NSM-12 | 2025-10-17 | Germany | Acceptable 2025-10-13
|
2025-10-17 |
| 18 | SUBSTANTIAL MODIFICATION | SM-5 | 2025-12-03 | Germany | Acceptable 2026-03-09
|
2026-03-09 |
| 19 | NON SUBSTANTIAL MODIFICATION | NSM-13 | 2026-03-18 | Germany | Acceptable 2026-03-09
|
2026-03-18 |