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Janus Kinase (JAK) Inhibitors to Preserve C-Peptide Production in New Onset Type 1 Diabetes (T1D)

National Institutes of Health (NIH) logo

National Institutes of Health (NIH)

Status and phase

Enrolling
Phase 2

Conditions

Diabetes Mellitus, Type 1

Treatments

Drug: Ritlecitinib
Drug: Abrocitinib 200 MG Oral Tablet
Drug: Placebo

Study type

Interventional

Funder types

Industry
NIH

Identifiers

NCT05743244
TN31 JAK Inhibitors

Details and patient eligibility

About

A multi-center, placebo-controlled, double blind, 1:1:1 randomized control clinical trial testing two different JAK Inhibitors abrocitnib, ritlecitinib, and placebo in subjects with recent onset Stage 3 Type 1 Diabetes within 100 days of diagnosis.

Full description

This study has a total sample size of 78 participants. Of that 78, 52 participants will receive active treatment, and a total of 26 participants will receive placebo. Participants will receive 12 months of active treatment with abrocitinib, ritlecitinib, or placebo with up to 12 months of additional follow-up. During the study, participants will undergo frequent assessments of their insulin production, immunologic status, overall health and well-being and diabetes care.

Enrollment

78 estimated patients

Sex

All

Ages

12 to 35 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Provide informed consent or assent as appropriate and, if < 18 years of age have a parent or legal guardian provide informed consent

  2. Age 12-35 years (both inclusive) at the time of signing informed consent and assent

  3. Diagnosis of T1D within 100 days of the baseline visit (V0).

  4. Positive for at least one islet cell autoantibody; Glutamate decarboxylase (GAD)65A, mIAA (if obtained within 10 days of the onset of insulin therapy), IA-2A, ICA, or ZnT8A

  5. Stimulated C-peptide of ≥0.2 pmol/mL measured during mixed-meal tolerance test (MMTT) conducted at least 21 days from diagnosis of diabetes

  6. HbA1c ≤ 10 %

  7. Body weight ≥ 35kg at screening

  8. Willing to comply with intensive diabetes management and wear a Continuous Glucose Monitoring Device (CGM)

  9. Participants who are Cytomegalovirus (CMV) and/or Epstein-Barr virus (EBV) seronegative at screening must be CMV and/or EBV Polymerase chain reaction (PCR) negative within 30 days of randomization and may not have had signs or symptoms of a CMV and/or EBV-compatible illness lasting longer than 7 days within 30 days of the baseline visit (V0).

  10. Participants who are CMV and/or EBV seropositive at screening must be CMV PCR negative and/or EBV PCR <2,000 IU/mL and must have no signs or symptoms of acute infection at the time of the baseline visit (V0).

  11. Be up to date on recommended vaccinations based on age of participants*

  12. Participants are required to receive killed influenza vaccination at least 2 weeks prior to the baseline visit (V0) when vaccine for the current or upcoming flu season is available.

    Enrollment must be delayed at least 4 weeks from administration of a killed vaccine other than influenza and COVID-19 and 6 weeks from a live vaccination. Live vaccinations and non-live vaccinations (other than influzena and COVID-19) should not be given while on study drug and be postponed at least 3 months after the last dose of study drug.

  13. If participant is female with reproductive potential, she must have a negative pregnancy test at screening and be willing to avoid pregnancy using a highly-effective contraceptive method for the duration of the study

  14. Males of reproductive age must use a highly-effective contraceptive method during the treatment phase and for 3 months following last dose of study drug

    • For COVID-19 vaccination, all participants will be strongly encouraged to be up-to-date with COVID-19 vaccine (s) as indicated by country-specific guidelines at least 2 weeks prior to the baseline visit (V0).

Exclusion criteria

  1. Current or ongoing use of non-insulin pharmaceuticals or medication that affect glycemic control or glucose homeostasis within 7 days prior to screening or any prohibited concomitant medication listed in section 4.8

  2. Untreated hypothyroidism or active Graves' disease

  3. Concurrent treatment with other immunosuppressive agents (including biologics or steroids), other than inhaled or topical glucocorticoids

  4. Active acute or chronic infection requiring treatment with oral antibiotics, antivirals, antiparasitics, antiprotozoals, or antifungals within 1 month prior to Day 0 or superficial skin infection within 1 week prior to Day 0

  5. Active acute or chronic infection requiring treatment with intravenous therapy (IV) within a minimum 1 month prior to Day 0

    a. Specific cases should be reviewed by Infectious Disease Committee prior to enrollment

  6. Have active signs or symptoms of acute infection at the time of the baseline visit (V0).

  7. Significant trauma or major surgery within 1 month of signing informed consent.

  8. Considered in imminent need for surgery or with elective surgery scheduled to occur during the study

  9. History of disseminated herpes zoster or disseminated herpes simplex or a recurrent (more than one episode of) localized, dermatomal herpes zoster

  10. Have evidence of prior or current tuberculosis infection as assessed by Purified Protein Derivative (PPD), interferon gamma release assay (IGRA) or by history

  11. Have evidence of current or past HIV or Hepatitis B infection

  12. Have evidence of active Hepatitis C infection

  13. Have current, confirmed COVID-19 infection

  14. Current or history of Deep vein thrombosis (DVT), Pulmonary embolism (PE), or other thromboembolic events or history of inherited coagulopathies

  15. First degree relative with a history of unprovoked venous thromboembolism (i.e. without known underlying cause such as trauma, surgery, immobilization, prolonged travel, pregnancy, hormone use, or plaster cast), which suggests that a participant may be at increased risk of inherited coagulation disorder

  16. Any present malignancies or history of malignancy, other than a successfully treated nonmelanoma skin cancer

  17. History of any lymphoproliferative disorder such as EBV-related lymphoproliferative disorder, history of lymphoma, history of leukemia, or signs and symptoms suggestive of current lymphatic or lymphoid disease

  18. Known or suspected polymorphism in the Cytochrome P450 2C19 (CYP2C19 gene, resulting in classification as a poor CYP2C19 metabolizer).

  19. Have renal impairment (eGFR< 60 mL/min)

  20. Currently on anti-platelet therapies, excluding low dose aspirin

  21. One or more screening laboratory values as stated

    1. Neutrophils < 1,500 /μL
    2. Lymphocytes < 800 /μL
    3. Platelets < 150,000 / μL
    4. Hemoglobin < 6.2 mmol/L (10.0 g/dL)
    5. Potassium > 5.5 mmol/L or <3.0 mmol/L
    6. Sodium > 150mmol/L or < 130mmol/L
    7. AST or ALT ≥ 2.5 times the upper limit of normal
    8. Bilirubin ≥ 1.5 times upper limit of normal unless diagnosed with Gilbert's syndrome
    9. LDL >160 mg/dL
  22. Vaccination with a live virus within the last 6 weeks and killed vaccine within 4 weeks (except 2 weeks for flu vaccine and COVID vaccine)

  23. Be currently pregnant or lactating or anticipate becoming pregnant during the study

  24. Male participants able to father children and female participants of childbearing potential who are unwilling or unable to use 2 effective methods (at least 1 highly effective method) of contraception, including abstinence, as outlined in this protocol for the duration of the study and for at least 3 months after the last dose of investigational product

  25. Be currently participating in another T1D treatment study

  26. Have hearing loss with progression over the previous 5 years, or sudden hearing loss, or middle or inner ear disease such as otitis media, cholesteatoma, Meniere's disease, labyrinthitis, or other auditory condition that is considered acute, fluctuating, or progressive

  27. Acute coronary syndrome (e.g., myocardial infarction, unstable angina pectoris) and any history of cerebrovascular disease within 24 weeks before screening; Heart failure NYHA (New York Heart Association) III, NYHA IV

  28. ANY of the following conditions at screening:

    a. Screening 12-lead electrocardiogram (ECG) that demonstrates: i. Clinically significant abnormalities requiring treatment (eg, acute myocardial infarction, serious tachy- or brady-arrhythmias) or indicating serious underlying heart disease (eg, cardiomyopathy, Wolff-Parkinson- White syndrome); ii. Confirmed QT corrected using Fridericia's correction factor (QTcF) prolongation (>450 milliseconds).

    b. Long QT Syndrome, a family history of Long QT Syndrome, or a history of Torsades de Pointes (TdP).

  29. History of chronic alcohol abuse or intravenous drug abuse or other illicit drug abuse within 2 years prior to screening

  30. Current or past use of tobacco or nicotine containing products more than the equivalent of 5 cigarettes per day

  31. Participant is the investigator or any sub-investigator, research assistant, pharmacist, study coordinator, other staff or relative thereof directly involved in the conduct of the trial

  32. Have any complicating medical issues or abnormal clinical laboratory results that may interfere with study conduct, or cause increased risk

  33. Any condition that in the investigator's opinion may adversely affect study participation or may compromise the study results

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

78 participants in 3 patient groups, including a placebo group

Abrocitinib
Experimental group
Description:
Abrocitinib will be self-administered as 200-milligram (mg) tablet daily for 52 weeks (12 months). The final prepared product is to be labeled to protect the blind.
Treatment:
Drug: Abrocitinib 200 MG Oral Tablet
Ritlecitinib
Experimental group
Description:
Ritlecitnib will be self-administered via oral administration as a 100-mg capsule daily for 52 weeks (12 months). The final prepared product is to be labeled to protect the blind.
Treatment:
Drug: Ritlecitinib
Placebo
Placebo Comparator group
Description:
200 mg tablet or 100 mg capsule matching either abrocitinib or ritlecitinib will be self-administered via oral administration daily for 52 weeks (12 months). The final product is to be labeled to protect the blind.
Treatment:
Drug: Placebo

Trial contacts and locations

18

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Central trial contact

Melissa Parker; Jessica S Conaty

Data sourced from clinicaltrials.gov

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