Sickle Cell Disease Trial, Recruiting NCT03937817 Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) Condition: Sickle Cell Disease
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Sickle Cell Disease Trial, Recruiting

NCT03937817
Recruiting Not Applicable

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • You are between 18 and 70 years old.
  • You are able to understand and agree to participate by giving your consent.
  • You are willing to allow samples of your body fluids or tissues (such as saliva, urine, or blood) to be stored for future research.
  • You are willing to provide one or more of the following: saliva, urine, blood, blood by-products, body fat tissue, airway brushing samples, and/or lung wash fluid samples.
  • You are willing to allow genetic testing to be done on any samples collected from you.

Who may not be able to join:

For all participants:

  • You are currently pregnant.
  • You have tested positive for hepatitis B, hepatitis C, or HIV.
  • You have a health condition that currently needs active medical treatment or close monitoring to keep you safe.
  • You have any condition that the lead doctor feels would make participation unsafe for you (confirm with trial site).

If you are giving blood samples:

  • Your blood's hemoglobin (iron-carrying protein) level is too low — below 10 g/dL if you are a woman, below 12 g/dL if you are a man, or below 6 g/dL if you have sickle cell disease or another long-term anemia.

If you are having a fat tissue (adipose) biopsy:

  • You are currently taking blood-thinning medication.
  • Your platelet count (cells that help blood clot) is below 100,000 per microliter.
  • You have a history of keloid scarring (thick, raised scars that grow beyond the original wound).
  • You have had a bad reaction to lidocaine or similar local numbing medications in the past.
  • The lead doctor feels the procedure would not be safe for you (confirm with trial site).

If you are having a bronchoscopy (a procedure to look inside the airways and collect lung samples):

  • Your blood clotting test results are outside the acceptable range (confirm with trial site).
  • Your platelet count is below 150,000 per microliter.
  • You are currently taking blood-thinning medication.
  • You have taken aspirin within the last 2 weeks, or anti-inflammatory drugs (like ibuprofen) within the last 2 days before the procedure.
  • You have a diagnosed lung condition, such as asthma, chronic bronchitis, cystic fibrosis, or bronchiectasis.
  • You have had a respiratory (breathing) tract infection in the last 4 weeks.
  • You have had a bad reaction to anesthetics (numbing or sedating medications) used in this type of procedure.
  • You have smoked cigarettes in the last 3 months.
  • You have a history of long-term opioid (strong painkiller) use.
  • You have a history of drug or alcohol misuse.
  • Your lung function test results fall below a certain level, indicating significantly reduced breathing capacity (confirm with trial site).
  • You are currently experiencing airway spasms (confirmed by a physical exam).
  • You have a known allergy to lidocaine.
  • The lead doctor feels the procedure would not be safe for you (confirm with trial site).

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 27 July 2026
This study is not part of the standard drug-approval phase pathway (for example an observational, device, behavioural, or registry study), so a phase success rate does not apply.

Contact this trial

Principal Investigator: Hans C Ackerman, M.D., National Institute of Allergy and Infectious Diseases (NIAID)

Phone: (301) 761-5667

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Not Applicable
Registry
ClinicalTrials.gov
Start date
25 September 2019
Est. completion
31 March 2029

Where this trial is recruiting

🇺🇸 United States

Primary endpoints

Collect biological specimens (saliva, urine, blood, blood waste products, adipose tissue, bronchial brushing, and/or BAL)

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 27 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov