Overview
Sponsor-declared trial summary
Ulcerative colitis
The primary objective of this study is to evaluate the rate of clinical remission according to the modified Mayo (mMayo) score at week 12 compared to the day of screening (Mayo subscores of 0 for rectal bleeding, 0 or 1 for stool frequency, and 0 or 1 for endoscopy [modified excluding friability]).
Key facts
- Sponsor
- Universitaetsklinikum Erlangen AöR
- Participant type
- Patients
- Age range
- 18-64 years, 65+ years
- Gender
- Male and Female
- Therapeutic area
- Diseases [C] - Digestive System Diseases [C06]
- Decision date (initial)
- 2025-08-21
- Transition trial
- No
- Low-intervention
- No
- Rare-disease indication
- No
- Vulnerable population
- Yes
Trial design
CTIS Part I — objectives, methods, condition coding
Main objective
Scope: Efficacy, Safety
The primary objective of this study is to evaluate the rate of clinical remission according to the modified Mayo (mMayo) score at week 12 compared to the day of screening (Mayo subscores of 0 for rectal bleeding, 0 or 1 for stool frequency, and 0 or 1 for endoscopy [modified excluding friability]).
Conditions and MedDRA coding
Ulcerative colitis
| Version | Level | Code | Term | System organ class |
|---|---|---|---|---|
| 20.0 | PT | 10009900 | Colitis ulcerative | 100000004856 |
Eligibility criteria
Principal inclusion / exclusion criteria as submitted by sponsor
Inclusion criteria 2
- Established diagnosis of active UC, with minimum time from diagnosis of ≥ 3 months and confirmed by endoscopy extending 15 cm or more above the anal verge, with a mMayo score of 5-9, including an endoscopic subscore of ≥ 2 (modified to exclude friability from grade 1), WHO performance status of 0, 1 or 2
- age ≥ 18 years
Exclusion criteria 4
- Seriously impaired hematological, hepatic or renal function, major serious illness, evidence for human immunodeficiency virus 1 (HIV-1), human immunodeficiency virus 2 (HIV-2, Treponema pallidum (TPHA), hepatitis B virus (HBV) or hepatitis C virus (HCV) infection, subjects who have spent a cumulative period of 1 year or more in the UK between the beginning of 1980 and the end of 1996, subjects who have a family history which places them at risk of developing Creutzfeldt-Jacob disease
- Subjects who have received a corneal or dura mater graft, or who have been treated in the past with medicines made from human pituitary glands, cancer, splenectomy or radiation therapy of the spleen, organ allografts
- suspicion of differential diagnosis including but not limited to Crohn’s enterocolitis, ischaemic colitis, radiation colitis, indeterminate colitis, infectious colitis, diverticular disease associated colitis, microscopic colitis
- UC limited to the rectum
Endpoints
Primary and secondary outcome measures (English text)
Primary endpoints 1
- The primary endpoint of this study is the proportion of subjects in clinical remission according to the modified Mayo score at week 12 compared to the day of screening (remission defined as the proportion of subjects with Mayo subscores of 0 for rectal bleeding, 0 or 1 for stool frequency, and 0 or 1 for endoscopy [modified excluding friability]).
Investigational products
Investigational medicinal products (IMPs), comparators, placebo, auxiliary
Test 1
Autologous Regulatory T-Cells with an Immunophenotype of CD4CD25HIFOXP3
PRD6421126 · Product
- Active substance
- Autologous Regulatory T-Cells with an Immunophenotype of CD4CD25HIFOXP3
- Substance synonyms
- ImmuReg
- Pharmaceutical form
- SOLUTION FOR INFUSION
- Route of administration
- INTRAVENOUS USE
- Max daily dose
- 5000000 IU/kg international unit(s)/kilogram
- Max total dose
- 10000000 IU/kg international unit(s)/kilogram
- Max treatment duration
- 2 Week(s)
- Authorisation status
- Not Authorised
- MA holder
- UNIVERSITÄTSKLINIKUM ERLANGEN
- Paediatric formulation
- No
- Orphan designation
- No
Sponsors and contacts
Sponsor organisations, regulatory contacts, third parties
Universitaetsklinikum Erlangen AöR
- Sponsor organisation
- Universitaetsklinikum Erlangen AöR
- Address
- Maximiliansplatz 2, Innenstadt Innenstadt
- City
- Erlangen
- Postcode
- 91054
- Country
- Germany
Scientific contact point
- Organisation
- Universitaetsklinikum Erlangen AöR
- Contact name
- Prof. Dr. Caroline Voskens
Public contact point
- Organisation
- Universitaetsklinikum Erlangen AöR
- Contact name
- Prof. Dr. Caroline Voskens
Locations
1 EU/EEA country · 2 investigational sites
By country
| Country | MS status | Planned subjects | Sites |
|---|---|---|---|
| Germany | Authorised, recruitment pending | 30 | 2 |
| Rest of world | — | 0 | — |
Investigational sites
Results and documents
Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial
Documents 4 files
Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.
| Type | Title | Version |
|---|---|---|
| Protocol (for publication) | D1_Protocol_ER-TREG-02_redacted | 1.2 |
| Recruitment arrangements (for publication) | K1_Recruitment_IC_Procedure | 1.0 |
| Subject information and informed consent form (for publication) | L1_SIS_ICF_ER-TREG-02 | 1.1 |
| Subject information and informed consent form (for publication) | L2_Subject_Card_ER-TREG-02 | 1.0 |
Application history
2 submissions — initial application plus substantial / non-substantial modifications
| # | Type | Code | Submitted | Reference MS | Conclusion | Decision date |
|---|---|---|---|---|---|---|
| 1 | INITIAL | IN | 2025-05-22 | Germany | Acceptable 2025-08-20
|
2025-08-21 |
| 2 | SUBSTANTIAL MODIFICATION | SM-1 | 2025-09-24 | Germany | Acceptable | 2025-11-05 |