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Protocol Details

A Phase 1 Study of Empagliflozin as Treatment for Severe Congenital Neutropenia Due to G6PC3 Deficiency

This study is currently recruiting participants.

Summary | Eligibility | Citations | Contacts

Summary

Number

000236-I

Sponsoring Institute

National Institute of Allergy and Infectious Diseases (NIAID)

Recruitment Detail

Type: Participants currently recruited/enrolled
Gender: Male & Female
Min Age: 18 Years
Max Age: 85 Years

Referral Letter Required

No

Population Exclusion(s)

Pregnant Women;
Children

Keywords

Glycogen metabolism;
Jardiance;
Inflammatory Bowe Disease (IBD);
G6PT deficiency;
1,5-AG

Recruitment Keyword(s)

None

Condition(s)

Crohn's Disease;
Glycogen metabolism;
Inflammatory Bowel Disease (IBD)

Investigational Drug(s)

None

Investigational Device(s)

None

Intervention(s)

Drug: Empagliflozin

Supporting Site

National Institute of Allergy and Infectious Diseases

Background:

Severe congenital neutropenia (SCN) is an immune system disease. People with SCN do not have enough of a kind of white blood cell called neutrophils. This means they get sick easily from infections. Some drugs to treat SCN have lots of side effects. Researchers want to see if a the drug empagliflozin can help increase the number of neutrophils in a person with SCN.

Objective:

To see if a drug called empagliflozin can help people with SCN.

Eligibility:

Adults aged 18 and older with SCN.

Design:

Participants will be screened with a physical exam, medical history, and blood tests. They may have a pregnancy test.

Participants will have study visits and local lab visits. They will repeat the screening tests. They will have heart and lung function tests. They will have an ultrasound of the liver and spleen. Their skin symptoms will be photographed. They may have consultations with specialists. They may give a stool sample. They may have an optional colonoscopy with tissue sample collection. They may have an optional bone marrow biopsy and aspirate. They may have an optional magnetic resonance imaging scan of their heart.

Participants will be admitted to NIH for 5 7 days. They will start taking the study drug as a pill once daily. They will be monitored for side effects.

Participants will take the study drug at home for 12 months. They will use a fingerstick blood glucose meter to measure blood sugar at home.

Participants may be able to take the study drug through their local doctor after the study ends.

Participation will last for 15 months.

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Eligibility

INCLUSION CRITERIA:

1. Aged >=18 years.

2. Documented SCN due to G6PC3 deficiency defined by genetic testing.

3. History of ANC consistently <1000 cells/microL when not treated with G-CSF.

4. Current ANC<1000 cells/microL when not treated with G-CSF.

5. Participants must agree not to become pregnant for the duration of the study. Study participants must use 2 methods of birth control when engaging in sexual activities that can result in pregnancy, beginning 30 days before the first dose of empagliflozin through one month after treatment ends. One method must be a male or female condom. The other method may be any of the following:

a. Hormonal contraception.

b. Diaphragm or cervical cap with a spermicide.

c. Intrauterine device.

6. Able to provide informed consent.

EXCLUSION CRITERIA:

Individuals meeting any of the following criteria will be excluded from study participation:

1. Renal failure or eGFR<45 mL/min/1.73 m^2.

2. Type 1 diabetes mellitus.

3. Fasting hypoglycemia (<60 mg/dL).

4. Known hypersensitivity or allergy to any component of empagliflozin.

5. Pregnant.

6. Breastfeeding.

7. Any condition that, in the opinion of the investigator, contraindicates participation in this study.


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Citations:

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Contacts:

Principal Investigator

Referral Contact

For more information:

David H. McDermott, M.D.
National Institute of Allergy and Infectious Diseases (NIAID)
NIHBC 10 - CLINICAL CENTER BG RM 11N107
10 CENTER DR
BETHESDA MD 20892
(301) 761-6647
dmcdermott@niaid.nih.gov

Daniel Velez, R.N.
National Institute of Allergy and Infectious Diseases (NIAID)
National Institutes of Health
Building 10
Room 11N118
10 Center Drive
Bethesda, Maryland 20892
(301) 761-6753
daniel.velez@nih.gov

Office of Patient Recruitment
National Institutes of Health Clinical Center (CC)
Building 61, 10 Cloister Court
Bethesda, Maryland 20892
Toll Free: 1-800-411-1222
Local Phone: 301-451-4383
TTY: TTY Users Dial 7-1-1
ccopr@nih.gov

Clinical Trials Number:

NCT05078879

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