A Phase 1b, Open-Label Study of CLN-978 for the Treatment of Active, Moderate to Severe Sjogren’s Disease

2025-521462-96-00 Protocol CLN-978-SJ-101 Human pharmacology (Phase I) - Other Authorised, recruiting

Start 5 Aug 2025 · Status Authorised, recruiting · 4 EU/EEA countries · 13 sites · Protocol CLN-978-SJ-101

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Other
Status Authorised, recruiting
Participants planned 66
Countries 4
Sites 13

Sjogren's Disease

Key facts

Sponsor
Cullinan Therapeutics Inc.
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Immune System Diseases [C20]
Trial duration
5 Aug 2025 → ongoing
Decision date (initial)
2025-11-10
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Sjogren's Disease

VersionLevelCodeTermSystem organ class
21.0 LLT 10040766 Sjogren's disease 10028395
27.1 PT 10040767 Sjogren´s syndrome 100000004859

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Cullinan Therapeutics Inc.

Sponsor organisation
Cullinan Therapeutics Inc.
Address
1 Main Street Suite 1350
City
Cambridge
Postcode
02142-1531
Country
United States

Scientific contact point

Organisation
Cullinan Therapeutics Inc.
Contact name
Study Responsible Physician

Public contact point

Organisation
Cullinan Therapeutics Inc.
Contact name
Study Responsible Physician

Locations

4 EU/EEA countries · 13 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ongoing, recruiting 10 5
Germany Ongoing, recruiting 10 2
Italy Authorised, recruiting 10 2
Poland Authorised, recruitment pending 10 4
Rest of world
United States
26

Investigational sites

France

5 sites · Ongoing, recruiting
Assistance Publique Hopitaux De Paris
Service de Rhumatologie, 78 Rue Du General Leclerc, 94270, Le Kremlin-Bicetre
Les Hopitaux Universitaires De Strasbourg
Service de Rhumatologie, 1 Avenue Moliere, Bp 49, Strasbourg Cedex 2
Centre Hospitalier Regional Et Universitaire De Brest
Service de Rhumatologie, Boulevard Tanguy Prigent, 29200, Brest
Centre Hospitalier Universitaire De Nantes
Médecine Interne, 1 Place Alexis Ricordeau, 44000, Nantes
Centre Hospitalier Universitaire De Saint Etienne
Médecine Interne, Avenue Albert Raimond, 42270, Saint Priest En Jarez

Germany

2 sites · Ongoing, recruiting
Universitaetsklinikum Erlangen AöR
Medizinische Klinik 3 – Rheumatologie und Immunologie, Ulmenweg 18, Innenstadt, Erlangen
Medizinische Hochschule Hannover
Klinik für Rheumatologie & Immunologie, Carl-Neuberg-Strasse 1, Gross Buchholz, Hanover

Italy

2 sites · Authorised, recruiting
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
UOC Rheumatology, Largo Francesco Vito 1, 00168, Rome
Azienda Ospedaliera Universitaria Universita' Degli Studi Della Campania Luigi Vanvitelli
UOC Rheumatology, Via Sergio Pansini 5, 80131, Naples

Poland

4 sites · Authorised, recruitment pending
Malopolskie Centrum Kliniczne
MCK, Ul. Balicka 12a/5b, 30-149, Cracow
Biokinetica S.A.
Biokinetica, Ul. Nadwislanska 37, 05-410, Jozefow
Medicover Integrated Clinical Services Sp. z o.o.
MICS, Ul. Chlodna 52, 00-872, Warsaw
Narodowy Instytut Geriatrii Reumatologii I Rehabilitacji Im Prof. Dr Hab. Med. Eleonory Reicher
CWBK, Ul. Spartanska 1, 02-637, Warsaw

Country notifications

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

Country Trial startTrial end Recruitment startRecruitment end Early termination
France 2025-12-04 2025-12-18
Germany 2025-08-05 2026-03-10
Italy 2026-01-13

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-04-25 Germany Acceptable
2025-07-04
2025-07-04
2 NON SUBSTANTIAL MODIFICATION NSM-1 2025-07-23 Germany Acceptable
2025-07-04
2025-07-23
3 SUBSEQUENT ADDITION OF MSC APP-3 2025-09-03 2025-11-10
4 SUBSEQUENT ADDITION OF MSC APP-4 2025-09-03 2025-11-14
5 NON SUBSTANTIAL MODIFICATION NSM-2 2025-12-18 Germany 2025-12-18
6 SUBSTANTIAL MODIFICATION SM-2 2026-01-12 Acceptable 2026-03-04
7 SUBSTANTIAL MODIFICATION SM-3 2026-01-12 Germany Acceptable 2026-03-04
8 SUBSEQUENT ADDITION OF MSC APP-8 2026-01-23 Acceptable
2025-07-04
2026-04-20
9 SUBSTANTIAL MODIFICATION SM-1 2026-01-26 Acceptable 2026-03-06
10 NON SUBSTANTIAL MODIFICATION NSM-3 2026-05-06 Acceptable 2026-05-06