Clinical trial Recruiting at 1 site Observational Ages 18 to 120

Research on diagnosing and treating low blood sugar levels

Official title: Fasting Hypoglycemia: Diagnosis and Treatment

Run by National Institutes of Health Clinical Center (CC) · NCT00001276 · Data updated 2026-11-12

This study is testing how to better diagnose and treat low blood sugar in people with insulinomas while they receive care at a special clinic.

More Hypoglycemia trials

Quick facts

Study typeObservational
Ages18 Years to 120 Years
SexAll
Enrollment1500 (estimated)
SponsorNational Institutes of Health Clinical Center (CC)
NIH
Locations1 site (Bethesda, Maryland)
StatusRecruiting
StartedMay 21, 1991
Registry record updatedOctober 20, 2026
Trial IDNCT00001276 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18 and older with documented fasting blood glucose levels below 55 mg/dl and biochemical evidence of insulinoma or other pancreatic neuroendocrine tumors.

Probably not a fit

Patients with significant cardiac disease, those who are pregnant, or those deemed medically unstable will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study focuses on understanding the causes and treatment of hypoglycemia, particularly in patients with insulinomas. Participants will undergo fasting blood tests to evaluate their blood sugar and insulin levels, while being monitored and treated as necessary. The study aims to identify new biomarkers for insulinomas and create a clinical data repository for future research. Patients will be admitted to the Clinical Center of the National Institutes of Health for thorough evaluation and care.

Why it matters

Potential benefit: If successful, this research could lead to improved diagnosis and treatment options for patients suffering from low blood sugar levels.

How similar studies have gone: While this study builds on existing knowledge of hypoglycemia and insulinomas, it aims to explore new avenues and biomarkers, indicating a novel approach in this area.

Who can join: the full rules

Show full inclusion / exclusion criteria
* INCLUSION CRITERIA:

In order to be eligible to participate in this study, an individual must meet all of the following criteria:

1. Male, females ages \>= 18.
2. Patients with documented fasting blood glucose below 55 mg/dl.

4\. Patients with biochemical evidence for insulinoma or other pancreatic neuroendocrine tumors.

EXCLUSION CRITERIA:

An individual who meets any of the following criteria will be excluded from participation in this study:

1. Patients with significant cardiac disease will be excluded.
2. Subjects who are pregnant per self-report.
3. Medically unstable per the assessment of the PI.

Where it's running

  • National Institutes of Health Clinical Center
    Bethesda, Maryland, United States
    Recruiting

Study contacts

  • Principal investigator: Ranganath Muniyappa, M.D. — National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
  • Study coordinator: Magaly R Donayre
  • Email: magaly.donayre@nih.gov
  • Phone: (202) 909-8137

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.