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Research Studies

Congenital Hyperinsulinism Center Research Studies

Find research studies available to children cared for by the Congenital Hyperinsulinism Center team.

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18F-DOPA PET/CT scan for Hyperinsulinism

This study is sponsored by Children's Hospital of Philadelphia Department of Radiology.The purpose of this research is to study 18F-L-Fluoro-DOPA (F-DOPA), a tracer, which is used to take pictures of the pancreas. This imaging test is called an F-DOPA PET scan. The F-DOPA tracer is used to highlight areas of the pancreas that make too much insulin on the PET scan images. The test includes a CT scan (computerized tomography) done at the same time on the same machine, to help define exactly where the highlighted area is located within the pancreas and determine the location of blood vessels and other vital structures.Who can participate:
  • Infants, children and adults with hyperinsulinemic hypoglycemia, diagnosed by a fasting test and/or response to glucagon stimulation
  • Any age, from birth on
  • Requiring surgery to remove part or all of the pancreas

Phase: N/A

Actively recruiting: Yes

Category: Adults, Children, MRI/Imaging Studies, One-Time Visit Studies

Blood Sugar Stability in Individuals with Hyperinsulinism

The purpose of the study is to evaluate blood sugar levels and beta-cell function in adolescents and adult with KATP hyperinsulinism whom did not undergo pancreatectomy. We will perform oral glucose tolerance tests, glucose potentiated arginine tests, and evaluate blood sugars in home environment by using continuous glucose monitoring for 10 days.

Phase: Pilot

Actively recruiting: No

Category: Adults, Children

Conditions: Congenital Hyperinsulinism

Dasiglucagon for the Treatment of Children with Congenital Hyperinsulinism (for children under 1 year of age)

This study is a randomized, double-blind, placebo-controlled study that will evaluate the safety and efficacy of dasiglucagon in children between the ages of 7 days and 12 months who have congenital hyperinsulinism. Dasiglucagon will be given as a subcutaneous infusion while patients are admitted to the hospital. Other treatments for hyperinsulinism may be changed as allowed while maintaining safe blood sugar levels. For the second part of the study, patients may be able to go home on the medication.

Phase: Phase II, Phase III

Actively recruiting: No

Category: Children

Conditions: Congenital Hyperinsulinism

DTX401 Gene Therapy in Glycogen Storage Disease (GSD) Type Ia

Our team at the Congenital Hyperinsulinism Center at CHOP is working on a research study to determine whether an experimental gene therapy product, DTX401, is safe and effective in people with glycogen storage disease type Ia (GSDIa). The FDA has not approved this drug for the treatment of GSDIa but has approved us to use this drug as part of this clinical trial. The purpose of this research study is to see if DTX401 can help people with GSDIa have normal blood sugar levels and fewer episodes of hypoglycemia. DTX041 works by delivering copies of the G6PC gene to your liver through a one-time infusion. Participation in this study will last for 2 years and will involve 30 study visits. It is possible that treatment with the study drug infusion may improve your blood sugar levels. Travel costs will be covered by the study and you will receive compensation for participating.

Phase: Phase III

Actively recruiting: No

Category: Adults, Children

Conditions: Congenital Hyperinsulinism

HM15136 for the Treatment of Congenital Hyperinsulinism Research Study

Thepurpose of this study is to look at the safety and tolerability (how well youwill react) of the study drug (HM15136) and to determine if it is effective forthe treatment of Congenital Hyperinsulinism (HI). HM15136 is an experimentaldrug which is not approved by the FDA for the treatment of HI. HM15136 is stable and hasa long effect in the body, only requiring it to be given (by injection) once aweek.HM15136 is designed to act likeglucagon, a hormone produced by the pancreas that helps the body maintainnormal blood sugar levels by increasing the glucose produced in the liver andbreaking down glycogen (a form of stored glucose) into the usable glucose form.

Participationlasts for up to 22 weeks and will involve up to 13 study visits. Studyprocedures include taking the study drug for 8 weeks, havingelectrocardiograms, wearing a continuous glucose monitor (CGM) and using ahandheld glucose meter, having blood and urine tests, and completing anelectronic diary.

Themain risks of this study include: nausea, vomiting, diarrhea, abdominal pain,injection site reactions (swelling, itching, bleeding, or pain), loss ofappetite, weight loss, high blood sugar. You may benefit if the study drugproves to be more effective than your current treatment plan in treating lowblood sugar.

Phase: Phase II

Actively recruiting: Yes

Category: Adults, Children

Conditions: Congenital Hyperinsulinism

Neurocognition in Hyperinsulinism

The purpose of this study is to understand how cognitive function changes over time in children with hyperinsulinism (HI) compared to children who are healthy volunteers. Participants will be asked to complete cognitive function tasks and questionnaires three times over the course of two years: at the start of the study, one year later, and one year after that. Each visit is approximately 2 hours. If you like, you can receive a summary of the results from the tasks. Compensation is provided for your time and effort.

Phase: N/A

Actively recruiting: Yes

Category: Children, Healthy Controls

Phenotypes of Congenital Hyperinsulinism

Congenital Hyperinsulinism is the most common cause of lowblood sugar (hypoglycemia) in infants and children.Infants who are born with this problem havelow blood sugar, which can cause seizures or brain damage.

We are doing this study to see if the patterns ofabnormalities in controlling insulin in children and adults withhyperinsulinism are related to any underlying genetic cause and to identifypossible new genetic causes.This willbe done by standard clinical tests of insulin control: a glucose tolerancetest, a protein tolerance test, and a fasting test.

Phase: N/A

Actively recruiting: No

Category: Adults, Children

Conditions: Congenital Hyperinsulinism

Phenotyping Congenital Hyperinsulinism

The Congenital Hyperinsulinism Center at the Childrens Hospital of Philadelphia is working on a research study to better understand how people with hyperinsulinism may have different blood sugar responses to certain tests (like fasting or drinking a high-protein shake) when compared to people without hyperinsulinism. This study will involve a screening visit where we will ask you about your medical history and any known episodes of low blood sugar. Depending on your responses during the interview, you will be asked to complete up to five tests at our outpatient research center. These tests include fasting, drinking a high-protein shake, drinking a high-sugar drink, eating a regular meal, and exercising on a stationary bike. We will collect blood samples from an IV throughout the tests to measure certain blood levels like glucose and insulin. You will be compensated for some or all of your travel costs and you will receive payment for your time. If you are interested in learning more, please contact us at HIResearch@chop.edu.

Phase: N/A

Actively recruiting: Yes

Category: Adults, Children, Healthy Controls

Conditions: Congenital Hyperinsulinism

Research Study for Individuals with Hyperinsulinism, Type 1 Diabetes Mellitus, and Healthy Children

Our team is working on a study to better understand neurological problems, including seizures and developmental delays, that occur in children with hyperinsulinism, including HI/HA syndrome, and type 1 diabetes mellitus. The study involves a one-day visit to The Children's Hospital of Philadelphia and The University of Pennsylvania for a specialized magnetic resonance imaging scan (MRI) of the brain, an electroencephalogram (EEG), blood draw, and completion of questionnaires to evaluate development and behavior. The entire study visit is expected to take about five hours. If you are interested in learning more, please contact us at HIResearch@email.chop.edu.

Phase: N/A

Actively recruiting: Yes

Category: Adults, Children, Healthy Controls, MRI/Imaging Studies, One-Time Visit Studies

Conditions: Congenital Hyperinsulinism

Research Study for Individuals with Hyperinsulinism/Hyperammonemia

Our team is working on a study to better understand neurological problems, including seizures and developmental delays, that occur in many individuals with HI/HA syndrome. The study involves a one day visit to The Children's Hospital of Philadelphia and The University of Pennsylvania for a specialized magnetic resonance imaging scan (MRI) of the brain, an electroencephalogram (EEG), blood draw, and completion of questionnaires to evaluate development and behavior. The entire study visit is expected to take about four hours. If you are interested in learning more, please contact us at HIResearch@email.chop.edu.

Phase: Pilot

Actively recruiting: No

Category: Adults, Children, MRI/Imaging Studies, One-Time Visit Studies

Conditions: Congenital Hyperinsulinism

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