Comparative Efficacy of Nipocalimab and Efgartigimod in Myasthenia Gravis Study ID: 80202135MYG3002 EPIC

2025-521130-28-00 Protocol 80202135MYG3002 Therapeutic confirmatory (Phase III) Authorised, recruitment pending

Status Authorised, recruitment pending · 4 EU/EEA countries · 16 sites · Protocol 80202135MYG3002

Overview

Sponsor-declared trial summary

Phase Therapeutic confirmatory (Phase III)
Status Authorised, recruitment pending
Participants planned 59
Countries 4
Sites 16

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

VersionLevelCodeTermSystem 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 numberTitleSponsor
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

  1. ≥18 years of age and <75 years of age
  2. AChR antibody positive
  3. MG-ADL ≥5 with ≥50% as non-ocular
  4. Has suboptimal response to current stable therapy for generalized Myasthenia Gravis according to the investigator, (specific to arms 1 and 2)
  5. Total IgG ≥6 g/L, (specific to arms 1 and 2)
  6. Treatment with efgartigimod intravenously or subcutaneously for ≥1 cycles, (specific to arm 3)
  7. Participant and HCP agree it is appropriate for the participant to switch to nipocalimab, (specific to arm 3)

Exclusion criteria 3

  1. Has received treatment for MG with an FcRn-targeting therapy, (specific to arms 1 and 2)
  2. Is currently taking IgG monoclonal antibody therapeutics, or Fc-conjugated therapeutic agents, including factor or enzyme replacement, (specific to arms 1 and 2)
  3. Current efgartigimod dosing is inconsistent with the label, (specific to arm 3)

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 1

  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

JNJ-80202135

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

Efgartigimod Alfa

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

OrganisationCity, countryDuties
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

CountryMS statusPlanned subjectsSites
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

Austria

1 site · Authorised, recruitment pending
Medical University Of Vienna
Neurologie, Waehringer Guertel 18-20, Alsergrund, Vienna

Germany

6 sites · Authorised, recruitment pending
Universitaetsklinikum Erlangen AöR
Klinik für Neurologie, Schwabachanlage 6, Innenstadt, Erlangen
Berufsgenossenschaftliches Universitaetsklinikum Bergmannsheil gGmbH
Klinik für Neurologie, Buerkle De La Camp-Platz 1, Wiemelhausen, Bochum
Universitaet Muenster
Klinik für Neurologie, Albert-Schweitzer-Campus 1, Sentrup, Muenster
Klinikum Altenburger Land GmbH
Klinik für Neurologie, Am Waldessaum 10, 04600, Altenburg
Katholisches Klinikum Bochum gGmbH
Klinik für Neurologie, Gudrunstrasse 56, Grumme, Bochum
Medical Center - University Of Freiburg
Klinik für Neurologie und Neurophysiologie, Hugstetter Strasse 55, Stuehlinger, Freiburg Im Breisgau

Italy

5 sites · Authorised, recruitment pending
Azienda Ospedaliero Universitaria Pisana
Unità di Neurologia, Dipartimento Neuroscienza, PO Santa Chiara, Via Roma 67, 56126, Pisa
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
UOC Neurologia, Largo Francesco Vito 1, 00168, Rome
Azienda Ospedaliero-Universitaria Sant Andre
UOC di Neurologia, Via Di Grottarossa 1035-1039, 00189, Rome
IRCCS Foundation Istituto Neurologico Carlo Besta
SSD Immunoterapia e Aferesi Terapeutica , Dip. Neuroscienze Cliniche, Via Giovanni Celoria 11, 20133, Milan
Azienda Ospedaliera Di Rilievo Nazionale Antonio Cardarelli
UOC di Neurofisiopatologia, Via Antonio Cardarelli 9, 80131, Naples

Spain

4 sites · Authorised, recruitment pending
Hospital Clinic De Barcelona
Neurology, Calle Villarroel 170, 08036, Barcelona
Hospital Universitario Infanta Sofía
Neurology, Paseo De Europa 34, 28702, San Sebastian De Los Reyes
Hospital Universitario Virgen De La Macarena
Neurology, Avenida Del Doctor Fedriani 3, 41009, Sevilla
Hospital Clinico Universitario De Valencia
Neurology, Avenida Blasco Ibanez 17, 46010, Valencia

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.

TypeTitleVersion
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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-08-22 Spain Acceptable with conditions
2025-12-09
2025-12-10