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NCT05189925 · National Institute of Allergy and Infectious Diseases (NIAID)

NADPH Oxidase Correction in mRNA-transfected Granulocyte-enriched Cells in Chronic Granulomatous Disease (CGD)

What this study is about

Background: CGD is caused by a gene mutation. For people with CGD, their cells cannot kill germs well, so they can get frequent or life-threatening infections. Researchers want to see if a new procedure can help a person s cells kill germs for a short time. It uses messenger RNA (mRNA) to deliver correct instructions for the gene mutation to the cells.

View original scientific description

Background: CGD is caused by a gene mutation. For people with CGD, their cells cannot kill germs well, so they can get frequent or life-threatening infections. Researchers want to see if a new procedure can help a person s cells kill germs for a short time. It uses messenger RNA (mRNA) to deliver correct instructions for the gene mutation to the cells. Objective: To test a procedure in which mRNA is added to a person s blood cells. Eligibility: Males aged 18-75 with CGD with a mutation in the gene that makes the protein gp91phox. Design: Participants will be screened with: Medical history Physical exam Blood and urine tests Swab to test for strep throat Some screening tests will be repeated during the study. Participants will be admitted to the NIH Clinical Center hospital for at least 7 days. They will have apheresis. For this, a medicine is injected under their skin to prepare their white blood cells for collection. An IV line is placed into an arm vein. Blood goes through the IV line into a machine that divides whole blood into red blood cells, plasma, and white blood cells. The white blood cells are removed, and the rest of the blood is returned to the participant through an IV line in their other arm. The next day, they will get their mRNA-corrected cells via IV. They will be monitored for 3 more days. After discharge, participants will keep a symptom diary. They will be contacted weekly for one month, and then once a month. They will have a follow-up visit 3 months after the infusion.

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

  • Individuals must meet all of the following criteria to be eligible for study participation:
  • Males aged 18 to 75 years
  • CGD confirmed by DHR and deficiency subtype confirmed by protein analysis and/or genetic sequencing
  • Has a physician at home for follow-up care
  • Able to provide informed consent
  • For men who engage in activities that can result in pregnancy, agree to use contraception when engaging in sexual activities that can result in pregnancy. Contraception must be used from screening through 3 months after the CGD-Grans infusion. Acceptable methods of contraception include the following:
  • Hormonal contraception
  • Male or female condom

Exclusion criteria

  • Individuals meeting any of the following criteria will be excluded from study participation:
  • Clinically unstable due to moderate to severe acute systemic infections as defined by persistent resting tachypnea, tachycardia, or hypoxia of \>20% from baseline and hypotension.
  • Current or history of stage 4 chronic kidney disease or estimated glomerular filtration rate \[eGFR\] \<30 mL/min/1.73 m\^2 within 90 days of baseline.
  • Unstable diabetes mellitus with hemoglobin A1c \>7.0% and fasting serum glucose \>200 mg/dL at screening.
  • Current or history of heart failure stage D as defined by the American College of Cardiology Foundation/American Heart Association guidelines.
  • History of arrhythmias that are symptomatic and deemed clinically unsafe for participation by NIH CC Cardiology consultation.
  • Current or history of invasive cancers that require chemotherapy within 5 years of screening.
  • Active hepatitis B, C, or HIV infections at screening.
  • Unstable hypertension requiring addition of new anti-hypertensives within 2 weeks of screening.
  • Impaired renal function that is unstable, with serum creatinine \>3.0 mg/dL and rising.
  • Serum transaminases and bilirubin that are \>3 x the upper limit of normal. NOTE: For prospective subjects who, per PI assessment at screening, have abnormal liver function tests, and/or a significant history of liver disease, and/or liver-related complications of CGD, and who otherwise meet eligibility criteria \[i.e. those who do NOT meet any of the exclusion set forth herein\], a hepatology consult will be required at screening, and participation must be approved in writing by hepatology to the PI.
  • Electrocardiogram abnormalities indicative of acute myocardial injury, or arrhythmias that presents anesthetic risks, at screening.
  • Anemia with hemoglobin \<8 g/dL (transfusions to correct anemia permitted).
  • Thrombocytopenia (platelets \<50 x10\^9 cells/L) (platelet transfusions to correct thrombocytopenia permitted).
  • Profound thrombocytopenia (platelet counts \<10,000/microliter) that is not reversible with platelet transfusions.
  • Abnormal prothrombin time/partial thromboplastin time (PT/PTT) values outside the ranges accepted at the NIH CC that are not corrected or that cannot be attributed to presence of Lupus anticoagulant (commonly found in CGD patients).
  • Inherited bleeding disorder that precludes line placement.
  • Severe oxygen-dependent pulmonary disease that increases risks of procedures that may require sedation.
  • History of or current evidence of alcohol or illicit drug abuse or dependence.
  • Participation in a clinical protocol that includes an intervention that, in the opinion of the investigator, may affect the results of the current study. Subjects will be selected in an equitable manner from the available pool of potentially eligible individuals, without regard to factors such as gender, race, ethnicity, socioeconomic status, etc, except for age and sex.

Where

  • Bethesda, Maryland

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 Jun 24, 2026 · Source of record for eligibility and locations

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Maryland

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What participation can include

  • Study-related care provided by the research team
  • Close monitoring by medical professionals
  • Possible compensation for time and travel*
  • The option to withdraw at any time
  • Contributing to medical research that may help future patients

*Compensation varies by study. Confirm details with coordinator.

Typical next steps

  1. 1.Submit this form
  2. 2.Phone screening
  3. 3.In-person assessment if eligible
  4. 4.Begin participation

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Looking for Chronic Granulomatous Disease Treatment in Bethesda?

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Chronic Granulomatous Disease Treatment Options in Bethesda, Maryland

If you're searching for Chronic Granulomatous Disease treatment in Bethesda, participating in a clinical research study may provide access to innovative approaches under expert medical supervision. This study is actively recruiting participants in Bethesda and surrounding areas.

Clinical trials offer participants the opportunity to receive cutting-edge treatments while contributing to medical research that may help future patients with Chronic Granulomatous Disease. All study-related care is provided at no cost to participants.

Local Sites
1 locations in Maryland
Now Enrolling
Up to 25 participants
Quick Start
Screening available now

Why Consider a Clinical Trial for Chronic Granulomatous Disease?

Potential Benefits

  • Access to new treatment approaches before public availability
  • Close monitoring by experienced medical professionals
  • Study-related care provided at no cost
  • Contribute to medical research for Chronic Granulomatous Disease

What to Expect

  • Initial screening to determine eligibility
  • Regular check-ups and monitoring visits
  • Possible compensation for time and travel
  • You can withdraw at any time

Frequently Asked Questions About This Chronic Granulomatous Disease Study

Important Clinical Trial Information

This information is provided for educational purposes and does not constitute medical advice. Clinical trial participation involves potential risks and benefits. Eligibility requirements apply and will be assessed during the screening process.

Study identifier: NCT05189925. For complete study details, visit ClinicalTrials.gov. Always consult with your healthcare provider before making decisions about your medical care or participating in clinical research.