Overview
Sponsor-declared trial summary
generalized myasthenia gravis
To evaluate the efficacy of nipocalimab vs efgartigimod in participants initiating neonatal Fc receptor (FcRn) treatment for generalized myasthenia gravis (gMG).
Key facts
- Sponsor
- Janssen Cilag International
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Immune System Diseases [C20]
- Decision date (initial)
- 2025-12-14
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- Yes
- Vulnerable population
- No
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Safety, Efficacy
To evaluate the efficacy of nipocalimab vs efgartigimod in participants initiating neonatal Fc receptor (FcRn) treatment for generalized myasthenia gravis (gMG).
Conditions and MedDRA coding
generalized myasthenia gravis
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 21.1 | PT | 10028417 | Myasthenia gravis | 100000004852 |
Regulatory references
- Plan to share IPD
- Yes
- IPD plan description
- The data sharing policy of the Janssen Pharmaceutical Companies of Johnson & Johnson is available at www.janssen.com/clinical-trials/transparency. As noted on this site, requests for access to the study data can be submitted through Yale Open Data Access (YODA) Project site at yoda.yale.edu
| EU CT number | Title | Sponsor |
|---|---|---|
| 2023-504152-97-00 | Phase 3, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Nipocalimab Administered to Adults with Generalized Myasthenia Gravis | Janssen - Cilag International |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 7
- ≥18 years of age and <75 years of age
- AChR antibody positive
- MG-ADL ≥5 with ≥50% as non-ocular
- Has suboptimal response to current stable therapy for generalized Myasthenia Gravis according to the investigator, (specific to arms 1 and 2)
- Total IgG ≥6 g/L, (specific to arms 1 and 2)
- Treatment with efgartigimod intravenously or subcutaneously for ≥1 cycles, (specific to arm 3)
- Participant and HCP agree it is appropriate for the participant to switch to nipocalimab, (specific to arm 3)
Exclusion criteria 3
- Has received treatment for MG with an FcRn-targeting therapy, (specific to arms 1 and 2)
- Is currently taking IgG monoclonal antibody therapeutics, or Fc-conjugated therapeutic agents, including factor or enzyme replacement, (specific to arms 1 and 2)
- Current efgartigimod dosing is inconsistent with the label, (specific to arm 3)
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- Averaged mean percent change from baseline in total IgG over Weeks 8 to 12 between Arms 1 and 2.
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
PRD10565805 · Product
- Active substance
- Nipocalimab
- Pharmaceutical form
- SOLUTION FOR INJECTION
- Route of administration
- INTRAVENUS USE
- Max daily dose
- 0 Other
- Max total dose
- 0 Other
- Max treatment duration
- 12 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- JANSSEN-CILAG INTERNATIONAL N.V.
- Paediatric formulation
- No
- Orphan designation
- No
Comparator 1
SCP130522783 · ATC
- Active substance
- Efgartigimod Alfa
- Substance synonyms
- IMMUNOGLOBULIN G1, ANTI-(FCRN RECEPTOR) (HUMAN MONOCLONAL ARGX-113 FC FRAGMENT), ARGX-113
- Route of administration
- INTRAVENUS USE
- Max daily dose
- 0 Other
- Max total dose
- 0 Other
- Max treatment duration
- 4 Week(s)
- Authorisation status
- Authorised
- ATC code
- L04AA58 — EFGARTIGIMOD ALFA
- Marketing authorisation
- -
- Paediatric formulation
- No
- Orphan designation
- Yes
- Orphan designation number
- EU/3/18/1992
- Modified vs. Marketing Authorisation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Janssen Cilag International
- Sponsor organisation
- Janssen Cilag International
- Address
- Turnhoutseweg 30
- City
- Beerse
- Postcode
- 2340
- Country
- Belgium
Scientific contact point
- Organisation
- Janssen Cilag International
- Contact name
- CTIS Point of Contact
Public contact point
- Organisation
- Janssen Cilag International
- Contact name
- CTIS Point of Contact
Third parties 4
| Organisation | City, country | Duties |
|---|---|---|
| 4g Clinical LLC ORG-100042775
|
Wellesley, United States | Interactive response technologies (IRT) |
| Eresearchtechnology Inc. ORG-100013039
|
Philadelphia, United States | E-data capture |
| Labcorp Central Laboratory Services SARL ORG-100011524
|
Meyrin, Switzerland | Laboratory analysis |
| Iqvia Inc. ORG-100010622
|
Durham, United States | Other |
Locations
4 EU/EEA countries · 16 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Austria | Authorised, recruitment pending | 4 | 1 |
| Germany | Authorised, recruitment pending | 7 | 6 |
| Italy | Authorised, recruitment pending | 11 | 5 |
| Spain | Authorised, recruitment pending | 7 | 4 |
| Rest of world
Switzerland, United States, Israel
|
— | 30 | — |
Investigational sites
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 45 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | REDACTED_D1_Protocol_2025-521130-28 | PAM1 |
| Protocol (for publication) | REDACTED_D4_PF GAD-7_Multicountry_eng_2025-521130-28 | 1 |
| Protocol (for publication) | REDACTED_D4_PF Neuro-QoL_Multicountry_eng_2025-521130-28 | 1 |
| Protocol (for publication) | REDACTED_D4_PF PRO AE_Multicountry_eng_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K1_Recruitment Arrangements _DE_ENG_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K1_Recruitment arrangements_AT_ENG_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K1_Recruitment Arrangements_ES_ENG_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K1_Recruitment arrangements_IT_ENG_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment material Digital Patient Brochure_AT_GER_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment material Digital Patient Brochure_DE_GER_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment Material Digital Patient Brochure_ES_SPA_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment Material Digital Patient Brochure_IT_ITA_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment material Dr to Patient Email_AT_GER_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment material Dr to Patient Email_DE_GER_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment Material Dr to Patient Email_IT_ITA_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment material Patient Brochure_AT_GER_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment material Patient Brochure_DE_GER_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment Material Patient Brochure_ES_SPA_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment Material Patient Brochure_IT_ITA_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment material Poster_AT_GER_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment material Poster_DE_GER_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment Material Poster_ES_SPA_2025-521130-28 | 1 |
| Recruitment arrangements (for publication) | REDACTED_K2_Recruitment Material Poster_IT_ITA_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Clinical_DE_GER_2025-521130-28 | 2 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Clinical_ES_SPA_2025-521130-28 | 3 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Main_AT_GER_2025-521130-28 | 5 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Main_IT_ITA_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Patient Travel Reimbursement_IT_ITA_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Pregnancy Partner_IT_ITA_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Pregnant Partner_DE_GER_2025-521130-28 | 2 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Pregnant Partner_ES_SPA_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Privacy Appendix Main_IT_ITA_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Privacy Child exposed to IP_IT_ITA_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Privacy Pregnancy Partner_IT_ITA_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF Withdrawal_IT_ITA_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF_ICF Contact Data Sheet_AT_ENG_2025-521130-28 | 2 |
| Subject information and informed consent form (for publication) | REDACTED_L1_SIS and ICF_Pregnancy_AT_GER_2025-521130-28 | 3 |
| Subject information and informed consent form (for publication) | REDACTED_L2_Subject wallet card_AT_GER_2025-521130-28 | 1 |
| Subject information and informed consent form (for publication) | REDACTED_L2_Subject Wallet Card_DE_GER_2025-521130-28 | 2 |
| Subject information and informed consent form (for publication) | REDACTED_L2_Subject Wallet Card_ES_SPA_2025-521130-28 | 7 |
| Subject information and informed consent form (for publication) | REDACTED_L2_Subject wallet card_IT_ITA_2025-521130-28 | 1 |
| Summary of Product Characteristics (SmPC) (for publication) | E2_SmPC Efgartigimod | 1 |
| Synopsis of the protocol (for publication) | REDACTED_D1_Protocol Synopsis_ES_SPA_2025-521130-28 | PAM1 |
| Synopsis of the protocol (for publication) | REDACTED_D1_Protocol Synopsis_IT_ITA_2025-521130-28 | PAM1 |
| Synopsis of the protocol (for publication) | REDACTED_D1_Protocol_Synopsis_AT_GER_2025-521130-28 | PAM1 |
Application history
1 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2025-08-22 | Spain | Acceptable with conditions 2025-12-09
|
2025-12-10 |