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Completed

NCT Number: NCT05255237

Extension Study to Evaluate Safety and Efficacy of Jaktinib in Adults With Alopecia Areata

This study (Unique Protocol ID: ZGJAK020) as an extension of the ongoing "Study to Evaluate Safety and Efficacy of Jaktinib in Adults With Alopecia Areata (Unique Protocol ID:ZGJAK020)" study. After completion of ZGJAK018 study, the study will be directly extend with an "open-label design".

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Key information

Conditions

Alopecia Areata Alopecia Hair Diseases Hypotrichosis Skin Diseases Skin and Connective Tissue Diseases

Age range

18 year–65 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 3

Primary location

11 Xizhimen South Street

Beijing, Beijing Municipality, China

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subjects voluntarily sign the informed consent form.
  • Patients who participated in ZGJAK018.

Exclusion criteria

  • Subjects who are unsuitable to the trial, as identified by the investigator.

Treatment and study plan

Jaktinib

Drug

75mg BID

Primary outcomes

  1. Number of subjects reporting treatment-emergent adverse events

    Time frame: Baseline through week 24

    Patients with treatment-emergent adverse events/all patients *100%

Sponsors and collaborators

Lead sponsor

Suzhou Zelgen Biopharmaceuticals Co.,Ltd

Industry

Registry information

Official study title

A Multicenter, Open-Label, Extension Study to Assess the Long-Term Safety and Efficacy of Jaktinib in Adult Patients With Moderate to Severe Alopecia Areata

Acronym: AA

Important dates

Study start
2022
Primary completion
2024
Study completion
2024
First posted
Feb 24, 2022
Registry last updated
Mar 18, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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