Skip to content

Study to Evaluate the Safety and Efficacy ofJaktinib Hydrochloride Tablets in Severe Alopecia Areata

A Phase Ⅱ Study to Evaluate the Safety and Efficacy of Jaktinib Hydrochloride Tablets in the Treatment of Severe Alopecia Areata.

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04034134
Enrollment
111
Registered
2019-07-26
Start date
2019-11-18
Completion date
2021-11-26
Last updated
2022-11-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Alopecia Areata

Brief summary

This was an open-label, Multi-center, randomized phase Ⅱ study. Patients with severe Alopecia Areata were randomized to receive 50mg bid, 150mg qd or 200 mg qd of oral Jaktinib Hydrochloride Tablets.

Interventions

50 mg twice-daily (BID)

Sponsors

Suzhou Zelgen Biopharmaceuticals Co.,Ltd
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* 18 years age or older ,male or female; * Alopecia areata diagnosed clinically; * Patients with alopecia accounting for 50% or more of the total scalp area and stable for at least 6 months or more; * Patients can complete treatment for at least six months; * Requirements for pregnant or lactating female and male and female of childbearing age;Female patients must be satisfied:Menopause (defined as no menstruation for at least one year);Or have been surgically sterilized;Or have fertility, but must satisfy:Pregnancy tests conducted within 7 days before randomization must be negative;And agree to use appropriate contraceptive methods throughout the trial period, including at least one barrier method;And no breastfeeding;Male patients must agree to use appropriate contraceptive measures throughout the trial, including at least one barrier method; * Patients are voluntarily enrolled in the Study and can be treated and visited according to the requirements of the protocol after signing the Informed Consent Form;

Exclusion criteria

* Alopecia caused by syphilitic alopecia, thyroid disease, trichotilomania, head moss, connective tissue disease, infection, zinc deficiency and iron deficiency; * Patients with acute diffuse alopecia areata (ADTAFS) * Patients with active tuberculosis * The following diseases were combined within 6 months before randomization:thyroid diseases ,liver diseases, malnutrition, heart diseases, nervous system diseases, gastrointestinal disorders, tumors and psychiatric diseases * HIV positive, active hepatitis B virus positive (HBsAg or HBeAg positive) and HCV-RNA positive at screening; * Other patients with abnormal history or clinical manifestations that may affect participants participation in the study or may confuse the results of the study; * Within two weeks before randomization,Patients who received glucocorticoid topical therapy, anthracene ointment, minoxidil, SADBE/DPCP contact immunotherapy, photochemotherapy or cryotherapy; * Before randomization,oral or injected any medicines to treat hair loss (including the glucocorticoids was detected in injection, systemic corticosteroids, antihistamines, stephania drugs, glycyrrhizin, glycine, methionine compound tablet, compound glycyrrhizin glucoside) and other liquorice extract, ring spore element, anti TNF antibody, IFN - gamma, IL - 2 antibodies, for alopecia areata therapy of traditional Chinese medicine and other JAK inhibitor) and washout period less than seven half-life of patients; * Participants in a clinical trial of any drug or medical device within 4 weeks prior to randomization.

Design outcomes

Primary

MeasureTime frameDescription
Effective rateFrom randomization of the first subject until the last subject complete 6 months treatmentEffective rate = (cure + obvious effect + effective)/total cases \*100%;

Secondary

MeasureTime frameDescription
SALT score changeFrom randomization of the first subject until the last subject complete 6 months treatmentScore and take photos (4 areas on the head), taking photos in the same position and light condition each time;
Quality of Life (AASIS)From randomization of the first subject until the last subject complete 6 months treatmentAASIS was used to score the quality of life of the subjects

Other

MeasureTime frameDescription
Safety variables will be summarized using descriptive statistics based on adverse events collectionFrom randomization of the first subject until the last subject complete 6 months treatmentPatients with adverse events/all patients \*100%

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026