A Phase 1 Study of the Safety and Preliminary Efficacy of CTX112 in Adult Subjects With Refractory Autoimmune Disease.

2024-518528-54-00 Protocol CRSP-AID-500 Human pharmacology (Phase I) - First administration to humans Ongoing, recruiting

Start 2 Dec 2025 · Status Ongoing, recruiting · 2 EU/EEA countries · 8 sites · Protocol CRSP-AID-500

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Ongoing, recruiting
Participants planned 101
Countries 2
Sites 8

Active systemic lupus erythematosus (SLE), systemic sclerosis (SSc), or idiopathic inflammatory myopathy (IIM).

Key facts

Sponsor
CRISPR Therapeutics AG
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Immune System Diseases [C20]
Trial duration
2 Dec 2025 → ongoing
Decision date (initial)
2025-04-14
Transition trial
No
Low-intervention
No
Rare-disease indication
Yes
Vulnerable population
Yes

External identifiers

EU CT number
2024-518528-54-00
WHO UTN
U1111-1315-1975

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Active systemic lupus erythematosus (SLE), systemic sclerosis (SSc), or idiopathic inflammatory myopathy (IIM).

VersionLevelCodeTermSystem organ class
24.1 PT 10085970 Idiopathic inflammatory myopathy 100000004859
21.1 PT 10042945 Systemic lupus erythematosus 100000004859
21.0 LLT 10042953 Systemic sclerosis 10028395

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

CRISPR Therapeutics AG

Sponsor organisation
CRISPR Therapeutics AG
Address
Baarerstrasse 14
City
Zug
Postcode
6300
Country
Switzerland

Scientific contact point

Organisation
CRISPR Therapeutics AG
Contact name
Medical Affairs

Public contact point

Organisation
CRISPR Therapeutics AG
Contact name
Medical Affairs

Locations

2 EU/EEA countries · 8 investigational sites

By country

CountryMS statusPlanned subjectsSites
Germany Ongoing, recruiting 17 5
Spain Authorised, recruiting 21 3
Rest of world
United States
63

Investigational sites

Germany

5 sites · Ongoing, recruiting
Fraunhofer Institute For Translational Medicine And Pharmacology ITMP
-, Sandhoefer Allee 1, Niederrad, Frankfurt Am Main
Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz KöR
III. Medizinische Klinik und Poliklinik, Langenbeckstrasse 1, Oberstadt, Mainz
Medizinische Hochschule Hannover
Klinik für Hämatologie, Hämostaseologie, Onkologie und Stammzelltransplantation, Carl-Neuberg-Strasse 1, Gross Buchholz, Hanover
University Hospital Cologne AöR
Innere Medizin I, Kerpener Strasse 62, Lindenthal, Cologne
Universitaetsklinikum Augsburg
II. Medizinische Klinik, Stenglinstrasse 2, Kriegshaber, Augsburg

Spain

3 sites · Authorised, recruiting
Hospital Universitario Reina Sofia
Rheumatology, Avenida Menendez Pidal S/n, 14004, Cordoba
Clinica Universidad De Navarra
Rheumatology, Pio XII Etorbidea 36, 31008, Pamplona
University Hospital Virgen Del Rocio S.L.
Rheumatology, Avenida De Manuel Siurot S/n, 41013, Sevilla

Country notifications

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

Country Trial startTrial end Recruitment startRecruitment end Early termination
Germany 2025-12-02 2026-01-21
Spain 2026-02-02

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-12-20 Germany Acceptable
2025-04-09
2025-04-14
2 SUBSTANTIAL MODIFICATION SM-1 2025-04-30 Germany Acceptable 2025-05-27
3 SUBSTANTIAL MODIFICATION SM-2 2025-08-14 Germany Acceptable
2025-09-09
2025-09-26
4 SUBSEQUENT ADDITION OF MSC APP-4 2025-10-07 Acceptable
2025-09-09
2025-12-18
5 SUBSTANTIAL MODIFICATION SM-3 2025-10-10 Germany Acceptable 2025-11-21
6 NON SUBSTANTIAL MODIFICATION NSM-1 2026-01-21 Germany Acceptable 2026-01-21
7 SUBSTANTIAL MODIFICATION SM-5 2026-01-26 Germany Acceptable
2026-04-20
2026-04-24