Dual JAK1/TYK2 Inhibitor for Cicatricial Alopecia

  • STATUS
    Recruiting
  • End date
    Dec 4, 2023
  • participants needed
    48
  • sponsor
    Emma Guttman
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Updated on 4 May 2022
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scarring
androgenic alopecia
areata alopecia
male pattern baldness
scarring alopecia

Summary

Alopecia could be subdivided into two main groups of diseases: non-scarring alopecia, such as male pattern baldness, or alopecia areata (AA), in which hair follicles are preserved, yet quiescent, and scarring alopecia, also known as cicatricial alopecia (CA), in which hair follicles are irreversibly destroyed. CA leads to scarred areas, most commonly on the scalp, that cannot re-grow hair. Despite being a long-term condition, that often has significant impact on patients' well-being, available effective treatments for these diseases are lacking. In addition, the molecular abnormalities causing CA are largely unknown. The study team's research involves administrating patients a new investigational drug (a combined TYK/JAK inhibitor) which has been shown to be safe and well tolerated in clinical studies to date, and is being investigated in other conditions, such as AA. CA patients will be asked to provide small samples of skin and blood throughout the treatment period, to find out how they respond to the drug, and to attempt to better understand these diseases.

Description

JAK inhibitors are a group of small molecules, recently emerging as an appealing class of immune modifiers in dermatology. These are antagonists of the various members of the JAK enzymes family, which consists of JAK1, JAK2, JAK3, and tyrosine kinase-2 (TYK2). JAKs enable the binding and activation of the transducer and activator of transcription (STAT), by phosphorylating the cytoplasmic domain of multiple cytokine receptors. This results in translocation of the STAT into the nucleus, which greatly affects transcription. JAK antagonism therefore blocks this signaling through STAT activation, targeting Th1/IFN-γ as well as common γc cytokines (shared between IL-2, IL-4, IL-9, IL-7, IL-15 and IL-21), and TYK2 also adds an IL-23 capability. Therefore PF-06700841, a dual inhibitor of JAK1 and TYK2, currently being investigated for a number of indications including psoriasis, Crohn's disease, ulcerative colitis, psoriatic arthritis, atopic dermatitis, psoriasis, systemic lupus erythematosus and AA, and which has been shown to be safe and well tolerated, with good safety profile, was chosen for this protocol.

The study team will evaluate scalp and blood markers of inflammation, hair keratins and fibrosis, and our ultimate goal would be to elucidate the relations between inflammation and tissue scarring. While the study design is specifically powered to detect mechanistic tissue effects of PF-06700841, drug safety and tolerability in this patient population will also be closely monitored.

The study team's research proposal is novel in that the team proposes to investigate the immune profile of CA patients in skin and blood, at baseline, as well as during treatment with PF-06700841. In addition to the much-needed, prospective investigation of a new treatment modality for these diseases, the study team also aims to better characterize these diseases molecularly, and attempt to determine the effects of the inflammatory process on the resultant fibrosis. These findings will help to identify new treatment targets as well as direct further investigation for the development of new therapies for these disfiguring diseases.

Details
Condition Cicatricial Alopecia
Treatment Placebo, PF-06700841
Clinical Study IdentifierNCT05076006
SponsorEmma Guttman
Last Modified on4 May 2022

Eligibility

 Yes No Not Sure

Inclusion Criteria

Subjects of any gender, age 18 years or older, at the time of informed consent at Screening
Subjects who are willing and able to adhere to the study visit schedule and comply with protocol requirements
Subject self-reports active CA (LPP/FFA or CCCA). for at least 6 months from screening visit. Diagnosis will be confirmed clinically at screening visit
Subject has a negative Tuberculin purified protein derivative (PPD) or QuantiFERON TB-Gold test (QFT) at screening
Subject is judged to be in otherwise good overall health following a detailed medical and medication history, physical examination, and laboratory testing

Exclusion Criteria

Subject's cause of hair loss is indeterminable and/or they have concomitant causes of alopecia, such pregnancy-related, drug-induced, telogen effluvium, or advanced androgenetic alopecia
Subject has a history of CA for ≥ 7 years since their disease onset, severe fibrosing disease, or very rapid hair loss
Subject has a history of moderate to severe keloids on the scalp, as determined by clinical examination at screening
Other scalp disease that may impact assessment (eg, scalp psoriasis, dermatitis, etc)
Subject is pregnant or breastfeeding. Female subjects of childbearing potential must agree to use two effective methods (one of which is a highly effective method) of contraception throughout the study and for at least 28 days after the last dose of investigational product. Women of childbearing potential must test negative for pregnancy prior to enrollment in this study
Participation in other studies involving investigational drug(s) within 8 weeks or within 5 half-lives (if known), whichever is longer, prior to study entry and/or during study participation
Active systemic diseases that may cause hair loss (eg, systemic lupus erythematosus, thyroiditis, systemic sclerosis, lichen planus, etc)
Any Psychiatric condition in the opinion of the investigator precludes participation in the study
Current or recent history of clinically significant severe, progressive, or uncontrolled renal (including but not limited to active renal disease or recent kidney stones), hepatic, hematological, gastrointestinal, metabolic, endocrine (particularly thyroid disease which can be associated with hair loss), pulmonary, cardiovascular, psychiatric, immunologic/rheumatologic or neurologic disease; or have any other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or investigational product administration, or interfere with the interpretation of study results; or in the opinion of the investigator, the subject is inappropriate for entry into this study, or unwilling/unable to comply with STUDY PROCEDURES
Any present malignancies or history of malignancies with the exception of adequately treated or excised non-metastatic basal cell or squamous cell cancer of the skin or cervical carcinoma in situ
History of any lymphoproliferative disorder such as Epstein Barr Virus (EBV) related lymphoproliferative disorder, history of lymphoma, history of leukemia, or signs and symptoms suggestive of current lymphatic or lymphoid disease
History (single episode) of disseminated herpes zoster or disseminated herpes simplex, or a recurrent (more than one episode of) localized, dermatomal herpes zoster
History of systemic infection requiring hospitalization, parenteral antimicrobial therapy, or as otherwise judged clinically significant by the investigator within 6 months prior to Day 0
Active acute or chronic infection requiring treatment with oral antibiotics, antivirals, antiparasitics, antiprotozoals, or antifungals within 4 weeks prior to Day 0 or superficial skin infection within 1 week prior to Day 0
Significant trauma or major surgery within 1 month of signing informed consent
Considered in imminent need for surgery or with elective surgery scheduled to occur during the study
Active hepatitis B, hepatitis C, human immunodeficiency virus (HIV), or positive HIV serology at the time of screening for subjects determined by the investigators to be at high-risk for this disease
Have an active history of alcohol or substance abuse within 1 year prior to Day 0
Donation of blood in excess of 500 mL within 8 weeks prior to Day 0
Subject has received a live attenuated vaccine ≤ 30 days prior to study screening
Subject has any uncertain or clinically significant laboratory abnormalities that may affect interpretation of study data or endpoints, at determined by the PI
History of adverse systemic or allergic reactions to components of study drug
Use of systemic immunosuppressive medications, including, but not limited to, cyclosporine, systemic or intralesional corticosteroids, mycophenolate mofetil, azathioprine, methotrexate, within 8 weeks prior to baseline visit
Use of other systemic agent for CA, including, 5α-reductase inhibitors, hydroxychloroquine, or retinoids, within 4 weeks prior to baseline visit
Use of an intralesional corticosteroids or oral JAK inhibitor (tofacitinib, ruxolitinib) within 4 weeks prior to the baseline visit
Subject has used topical corticosteroids, and/or tacrolimus, and/or pimecrolimus within 1 week before the baseline visit
Subject has been previously treated with biological drugs in the last 12 weeks for other indications
Subjects previously tested with a positive or indeterminable PPD or QFT result, including subjects that completed standard tuberculosis therapy
Screening 12-lead ECG that demonstrates clinically significant abnormalities requiring treatment, e.g acute myocardial infarction, serious tachy or brady arrhythmias or that are indicative of serious underlying heart disease (e.g. cardiomyopathy, major congenital heart disease, low voltage in all leads, Wolff-Parkinson-White syndrome and other clinically relevant abnormalities which may affect participant safety or interpretation of study results. A history of additional risk factors for Torsades de Pointes (TdP) (e.g. heart failure, hypokalemia, family history of long QT syndrome)
If QTcF exceeds 450 mS, or QRS exceeds 120 mS, the ECG should be repeated 2 more times and the average of 3 QTc or QRS values should be used to determine the participants' eligibility. Participants with average screening value QTcF > 450 mS should be excluded. Concomitant use of medications that prolong the QT/QTcF interval is exclusionary
Use of concomitant drugs that prolong the QT interval at the judgment of the PI
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