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Safety of Tofacitinib, an Oral Janus Kinase Inhibitor, in Primary Sjogren's Syndrome

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ClinicalTrials.gov Identifier: NCT04496960
Recruitment Status : Recruiting
First Posted : August 4, 2020
Last Update Posted : April 19, 2021
Sponsor:
Information provided by (Responsible Party):
National Institutes of Health Clinical Center (CC) ( National Institute of Dental and Craniofacial Research (NIDCR) )

Brief Summary:

Background:

An autoimmune disease is one in which the immune system attacks a person s own body. Sjogren's syndrome (SS) is an autoimmune disease. It often involves multiple systems and organs of the body. Researchers are trying to find new, more effective and safe treatments for SS.

Objective:

To evaluate the safety and tolerance of tofacitinib in people with SS.

Eligibility:

Adults ages 18-75 with SS.

Design:

Participants will be screened on a separate protocol. They will undergo:

  • Medical and dental history
  • Physical exam
  • Medicine review
  • Electrocardiogram to test the heart s electrical activity (Participants will lay on a table. Sticky pads will be placed on their body.)
  • Eye exam and test for dry eyes
  • Oral, head, and neck exams
  • Plaque collection (Dental plaques and tongue and mucosal scrapings will be collected using a small tongue depressor.)
  • Salivary gland ultrasound
  • Blood and urine tests
  • Minor salivary gland biopsy (The lower lip will be numbed. Several tiny salivary glands will be removed through a small incision.)
  • Saliva collection
  • Disease assessment.

Participants will repeat some of the screening tests during the study.

Participants will take capsules of the study drug or a placebo by mouth for 168 days.

Participants will have tests to measure blood pressure and the speed of blood flow through the organs. They will also have a test that examines the function and reaction of the blood vessels. For these tests, they will wear blood pressure cuffs and other sensors.

Participants will complete questionnaires about their health.

Participants will have 9 study visits over 28 weeks. They may be contacted by phone between study visits.


Condition or disease Intervention/treatment Phase
Sjogren's Syndrome Drug: tofacitinib Other: Placebo Phase 1 Phase 2

Detailed Description:
This study represents an innovative investigative measure of the safety and tolerability of JAK inhibition in patients with primary Sjogren's Syndrome (SS). Secondary objectives will include investigating the effects of tofacitinib on target tissues (e.g., salivary glands), systemic inflammation, and on vascular function in SS subjects. We also aim to identify biomarkers of response that may be useful as endpoints in future studies.

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Study Type : Interventional
Estimated Enrollment : 30 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: Safety of Tofacitinib, an Oral Janus Kinase Inhibitor, in Primary Sjogren's Syndrome; A Phase Ib-IIa Placebo-Controlled Clinical Trial and Associated Mechanistic Studies
Estimated Study Start Date : April 22, 2021
Estimated Primary Completion Date : February 6, 2023
Estimated Study Completion Date : February 5, 2024

Resource links provided by the National Library of Medicine


Arm Intervention/treatment
Placebo Comparator: Placebo group
Receiving placebo
Other: Placebo
white, round, film-coated tablet

Experimental: Subjects with SS
Receiving tofacidinib
Drug: tofacitinib
XELJANZ(R) is the citrate salt of tofacitinib. Tofacitinib citrate is a white to off-white powder with the following chemical name: (3R,4R)-4-methyl-3-(methyl-7H-pyrrolo [2,3-d] pyrimidin-4-ylamino) -beta-oxo-1-piperidinepropanenitrile, 2-hydroxy-1,2,3-propanetricarboxylate (1:1) It is freely soluble in water and has a molecular weight of 504.5 Daltons. XELJANZ(R) is supplied for oral administration as 5 mg tofacitinib (equivalent to 8 mg tofacitinib citrate) white round, immediate-release film-coated tablet. Each tablet of XELJANZ(R) contains the appropriate amount of XELJANZ(R) as a citrate salt and the following inactive ingredients: microcrystalline cellulose, lactose monohydrate, croscarmellose sodium, magnesium stearate, HPMC 2910 /Hypromellose 6cP, titanium dioxide, macrogol/PEG3350, and triacetin.




Primary Outcome Measures :
  1. safety and tolerability of tofacitinib [ Time Frame: week 24 (end of Treatment) ]
    To determine the safety and tolerability of tofacitinib in subjects with SS and mild to moderate disease activity.


Secondary Outcome Measures :
  1. changes in salivary flow rates [ Time Frame: week 24 ]
    salivary flow rates are an objective measure of organ function. Low salivary flow is a primary feature of SS and may be used as a noninvasive measure of therapeutic intervention. Studying the effects of tofacitinib versus placebo via randomized trial provides the best opportunity to show causality and association.

  2. ESSDAI [ Time Frame: Week 24 ]
    The ESSDAI was developed to be used as an outcome measure in clinical trials involving Sjogren's Syndrome patient cohorts and allows for assessment/scoring of major domain activity relevant to a SS population.



Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


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Ages Eligible for Study:   18 Years to 75 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria
  • INCLUSION CRITERIA:

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

  1. Ability of participant to understand and the willingness to sign a written informed consentdocument.
  2. Participation and enrollment in companion protocol, 15-D-0051, Characterization of Diseases with Salivary Gland Involvement
  3. Stated willingness to comply with all study procedures and availability for the duration of the study
  4. Male or female, aged between 18-75 years
  5. In good general health as evidenced by medical history
  6. Meets the 2002 American European Consensus Group classification criteria for primary Sjogren's Syndrome with mild to moderate disease activity defined as ESSDAI between 2 to 13 at the screening visit and >0 ml/min/gland stimulated saliva flow.
  7. Ability to take oral medication and be willing to adhere to the study intervention regimen
  8. If on glucocorticoids, the dose must be less than 10 mg daily and stable for the 4 weeks (28 days) prior to screening visit.
  9. If on hydroxychloroquine or other antimalarials such as chloroquine or quinacrine, the dose must have been stable for the 12 weeks (96 days) prior to screening visit. The maximum allowed dose is hydroxychloroquine up to 400 mg/day or 6.5 mg/kg/day if more than 400 mg/day. The maximum allowed dose for chloroquine phosphate is up to 500 mg daily and for quinacrine up to 100 mg daily.
  10. Participants may be on lipid lowering medications if initiated at least 3 months prior to the screening visit and dose must be stable for 4 weeks (28 days) prior to study entry.
  11. Males and females with potential for reproduction must agree to practice effective birth control measures. Females should be on adequate contraception if they are of child-bearing potential documented by a clinician, unless participants or spouse have previously undergone a sterilization procedure. Adequate birth control measures are: intrauterine device (IUD) alone or hormone implants, hormone patches, injectable, or oral contraceptives plus a barrier method (male condom, female condom or diaphragm), abstinence or a vasectomized partner.
  12. Agreement to adhere to Lifestyle Considerations throughout study duration

EXCLUSION CRITERIA:

In order to be eligible to participate in this study, an individual must not meet any of the following criteria:

  1. Current or prior treatment with rituximab, belimumab or any other biologic agent in the 6 months prior to screening.
  2. Current treatment with methotrexate, azathioprine, mycophenolate mofetil, cyclosporine, tacrolimus). Participants previously on methotrexate, azathioprine, mycophenolate mofetil, cyclosporine or tacrolimus should have withdrawn drug for at least 8 weeks (56 days) at the time of screening.
  3. Treatment with cyclophosphamide, pulse methylprednisolone or IVIG within 6 months prior to screening.
  4. Current treatment with potent inhibitors of Cytochrome P450 3A4 (CYP3A4) (e.g., ketoconazole) or receiving one or more concomitant medications that result in both moderate inhibition of CYP3A4 and potent inhibition of CYP2C19 (e.g., fluconazole) that would increase serum availability of tofacitinib. Past treatment with the aforementioned agent is allowed if it was more than a week prior to the administration of the first dose of study medication.
  5. Focus Score <= 1.0 at their last salivary gland biopsy
  6. History of chronic liver disease or elevated LFTs:
  7. ALT or AST >= 2x upper limit of normal at screening
  8. Serum unconjugated bilirubin > 2mg/dL at screening
  9. Serum creatinine >1.5mg/dL.
  10. Protein to creatinine ratio of more than 1mg/dL repeated and confirmed three times or confirmed with 24 hours urine protein of more than 1000 mg).
  11. Active urinary sediment (WBC, RBC or mixed cellular casts 1+ or more /hpf).
  12. Hypercholesterolemia: Values after 8-12 hour fasting blood specimen: total cholesterol >250 mg/dL or LDL >180 mg/dL or hypertriglyceridemia (triglyceride >300 mg/dL) within - 45 days of screening visit.
  13. WBC <2500/microliter or ANC <1,000/microliter, Hgb <9.0 g/dL or platelets <70,000/microliter or absolute lymphocyte count < 500/microliter.
  14. Pregnant or lactating women. Women of childbearing potential are required to have a negative pregnancy test at screening.
  15. A history of drug or alcohol abuse within the 6 months prior to screening.
  16. Currently receiving hemodialysis, peritoneal dialysis, or intestinal dialysis.
  17. Active infection that requires the use of oral or intravenous antibiotics unresolved at least

14 days prior to the administration of the first dose of study medication.

18. Active chronic infections including but not limited to HIV, Hepatitis B, Hepatitis C, and BK viremia at screening visit.

19. Current or previous diagnosis of malignant disease, except for basal cell or squamous cell carcinoma of the skin with complete excision and clear borders or adequately treated in situ carcinoma of the cervix.

20. Known active tuberculosis. Participants with untreated latent tuberculosis (LTB) will not be excluded but will be evaluated by an infectious disease (I.D.) consultant and may become eligible for trial based on infectious disease consultant recommendations.

21. History of opportunistic infections.

22. Participants with active renal or central nervous system disease or a high activity level in any organ system (except articular) in ESSDAI .

23. Significant impairment of major organ function (lung, heart, liver, kidney) or any condition that, in the opinion of the Investigator, would jeopardize the participant s safety following exposure to the study drug.

24. Known history of arterial or venous thrombosis or at high risk for clotting disorder

25. Psychiatric illness or history of medical non-compliance that the study team feels will make the patient unlikely to complete the study

26. Uncontrolled thyroid disease as per PI or medically responsible investigator.

27. Known allergic reactions to Tofacitinib or its components

28. Treatment with another investigational drug/intervention within six months.

29. Current smoker or tobacco use within 3 months.


Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04496960


Contacts
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Contact: Getriz R Martin martinget@mail.nih.gov

Locations
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United States, Maryland
National Institutes of Health Clinical Center Recruiting
Bethesda, Maryland, United States, 20892
Contact: For more information at the NIH Clinical Center contact Office of Patient Recruitment (OPR)    800-411-1222 ext TTY8664111010    prpl@cc.nih.gov   
Sponsors and Collaborators
National Institute of Dental and Craniofacial Research (NIDCR)
Investigators
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Principal Investigator: Blake M Warner, D.D.S. National Institute of Dental and Craniofacial Research (NIDCR)
Additional Information:
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Responsible Party: National Institute of Dental and Craniofacial Research (NIDCR)
ClinicalTrials.gov Identifier: NCT04496960    
Other Study ID Numbers: 200131
20-D-0131
First Posted: August 4, 2020    Key Record Dates
Last Update Posted: April 19, 2021
Last Verified: April 6, 2021

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by National Institutes of Health Clinical Center (CC) ( National Institute of Dental and Craniofacial Research (NIDCR) ):
Salivary
Dry Mouth
Safety
Inflammation
Xerostomia
Additional relevant MeSH terms:
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Sjogren's Syndrome
Syndrome
Disease
Pathologic Processes
Arthritis, Rheumatoid
Arthritis
Joint Diseases
Musculoskeletal Diseases
Rheumatic Diseases
Xerostomia
Salivary Gland Diseases
Mouth Diseases
Stomatognathic Diseases
Dry Eye Syndromes
Lacrimal Apparatus Diseases
Eye Diseases
Connective Tissue Diseases
Autoimmune Diseases
Immune System Diseases
Tofacitinib
Protein Kinase Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action