Allogeneic ABCB5-positive Stem Cells for Treatment of Epidermolysis Bullosa

Completed · Phase 1/Phase 2

Conditions studied: Recessive Dystrophic Epidermolysis Bullosa

In brief

The aim of this clinical trial is to investigate the efficacy (by monitoring overall improvement of EB symptoms) and safety (by monitoring adverse events) of three doses of allo-APZ2-EB administered intravenously to patients with recessive dystrophic epidermolysis bullosa (RDEB).

Key facts

Study ID

NCT03529877

Run by

RHEACELL GmbH & Co. KG

People needed

16

Starts

2019-02-16

Expected to finish

2021-11-26

Last updated by the study team

2022-10-07

Who can join

Age: any, up to 55. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female patients aged between 0 and ≤55 years;
• Staggered design for patient enrollment:
• at least 3 adult patients (safety assessment 2 weeks after last treatment of third patient),
• at least 3 patients ≥12 to <18 years (safety assessment 2 weeks after first treatment of third patient),
• at least 3 patients ≥5 to <12 years (safety assessment 2 weeks after first treatment of third patient), and
• at least 3 patients ≥12 months to <5 years;
• patients 0 to <12 months (only in the UK);
• Diagnosed with RDEB (combined diagnosis by genotype assessment [mutation analysis] and correlating phenotype assessment [wound assessment]), patients must have a negative immunofluorescence test result on salt-split skin against proteins of the basement membrane at Visit 1 (existing test results will be accepted);
• Patient is eligible to participate in this clinical trial based on general health condition at the investigator's discretion;
• US only:
• Patient is eligible to participate in this clinical trial based on general health condition assessed by specific lab values (Hematology: Absolute neutrophil count >1000/mm3 and platelet count >150,000/mcL; Coagulation: PT and PTT <2x the upper limit of normal for age; Hepatic: AST and ALT <2x the upper limit of normal for age; Renal: Creatinine <2x the upper limit of normal for age; Pulmonary: Oxygen saturation >92% on room air and without supplemental oxygen requirement);
• Patient/legal representative understands the nature of the procedure and are providing written informed consent prior to any clinical trial procedure;
• Women of childbearing potential must have a negative urine pregnancy test at Visit 1;
• Women of childbearing potential and their partner must be willing to use highly effective contraceptive methods during the course of the clinical trial.

You may not qualify if…

• Tumor diseases or history of tumor disease;
• Known positive result for human immunodeficiency virus 1 and/or 2;
• Any known allergies to components of the IMP;
• Evidence of any other medical conditions (such as psychiatric illness or active infection) based on physical examination, or laboratory findings that may interfere with the planned treatment, affect the patient's compliance, or place the patient at high risk of complications related to the treatment; at investigators discretion;
• History of prior thrombosis or patients at risk for thrombosis;
• Clinically significant or unstable concurrent disease or other clinical contraindications (based upon investigator's judgment);
• Patient/legal representative anticipated to be unwilling or unable to comply with the requirements of the protocol;
• Pregnant or lactating women;
• Current or previous (within 30 days of enrollment) treatment with another IMP, or participation and/or under follow-up in another clinical trial;
• Previous participation in this clinical trial (except for screening failures due to an exclusion criterion);
• Known abuse of alcohol, drugs, or medicinal products;
• Employees of the sponsor, or employees or relatives of the investigator.

Where it is running

• University of Minnesota, Masonic Cancer Center and Medical Center — Minneapolis, Minnesota, United States
• EB-Haus Austria; Salzburger Landeskliniken (SALK); Paracelsus Medizinische Privatuniversität Salzburg (PMU) — Salzburg, Austria
• Hôpital Saint-Louis; Département de dermatologie — Paris, France
• Department of Dermatology, Medical Center-University of Freiburg — Freiburg im Breisgau, Germany
• King's College London; St John's Institute of Dermatology; — London, United Kingdom
• Great Ormond Street Hospital; Dermatology Department — London, United Kingdom

Full record on ClinicalTrials.gov

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