NCT06876363 · Ensoma
Study of EN-374 Gene Therapy in Participants With X-Linked Chronic Granulomatous Disease
What this study is about
The goal of this clinical trial is to evaluate the safety and potential effectiveness of the EN-374 treatment regimen and identify a dose level for further evaluation in participants with x-linked chronic granulomatous disease.
View original scientific description
The goal of this clinical trial is to evaluate the safety and potential efficacy of the EN-374 treatment regimen and identify a dose level for further evaluation in participants with x-linked chronic granulomatous disease.
Who can participate
This study lists these criteria on ClinicalTrials.gov. A study coordinator reviews eligibility during screening — this page does not determine whether you qualify.
Inclusion criteria
- ≥ 18 years of age during dose escalation, then ≥ 3 months of age during dose expansion
- Diagnosis of X-CGD with DHR+ cells ≤ 5% and a pathogenic mutation in the CYBB gene
- History of at least 1 severe infection requiring medical intervention or chronic inflammatory disorder
- Does not have a suitable, available, and willing human leukocyte antigens (HLA)-matched (10/10) related donor
- Non-sterile male participants who are or may become sexually active with female partners of childbearing potential are required to use highly effective contraception
- Informed consent, with informed assent from capable participants
- Adequate organ function
Exclusion criteria
- Active bacteremia or fungemia
- History of human immunodeficiency virus (HIV), hepatitis B, or hepatitis C
- History or clinical evidence of any medical or social issues likely to put the participant at additional risk or to interfere with study conduct
- History of HSCT or granulocyte transfusions
- Known hypersensitivity to elements in the treatment regimen
- Undergone investigational gene therapy
- Treated with another investigational drug product within 30 days before screening
- Unable to comply with the visits and requirements of the protocol as determined by the Investigator
Where
- Los Angeles, California
- San Francisco, California
- St. Petersburg, Florida
- Boston, Massachusetts
- Minneapolis, Minnesota
- New York, New York
- Durham, North Carolina
- Salt Lake City, Utah
Frequently asked questions
What is a clinical trial?
A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.
Is it safe to participate?
Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.
Will I be compensated?
Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.
Will I receive a placebo instead of treatment?
When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.
Can I leave a trial if I change my mind?
Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.
How long does a clinical trial last?
Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.
Data: ClinicalTrials.gov · synced Apr 27, 2026 · Source of record for eligibility and locations