New antibody aims to ease stiffness and pain in ankylosing spondylitis

NCT ID NCT05212051

First seen Jul 21, 2026 · Last updated Jul 22, 2026 · Updated 1 time

Summary

This phase 2 trial tests an experimental drug called JS005 in adults with active ankylosing spondylitis, a type of arthritis that mainly affects the spine. Participants receive different doses of JS005 or a placebo as a shot under the skin. The study measures whether JS005 improves symptoms like pain and stiffness after 16 weeks.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
an experimental anti-IL-17A antibody called JS005
What this could lead to
If successful, JS005 could offer a new treatment option for people with ankylosing spondylitis, helping reduce pain and stiffness.
What could go wrong
This is an early-phase trial with a small number of participants, so results may not confirm effectiveness or safety in larger groups.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for ACTIVE ANKYLOSING SPONDYLITIS are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Anhui Provincial Hospital

    Hefei, Anhui, 230001, China

  • Beijing University

    Beijing, Beijing Municipality, 100005, China

  • Chuanbei Meidical College Affiliated Hospital

    Nanchong, Sichuan, 637000, China

  • Nanfang Hospital of Nandang Medical University

    Guangzhou, Guangdong, 510515, China

  • People's Hospital of Xinjiang Uygur Autonomous Region

    Ürümqi, Xinjiang, 830001, China

  • Pking University Shenzhen Hospital

    Shenzhen, Guangdong, 518036, China

  • Shanghai Changzheng Hospital

    Shanghai, Shanghai Municipality, 200003, China

  • Shantou University Medical Collge No.1 Affiliated Hospital

    Shantou, Guangdong, 515041, China

  • Shengjing Hospital of China medical University

    Shengyang, Liaoning, 110004, China

  • Shenzhen People's Hospital

    Shenzhen, Gudong, 518001, China

  • Sun Yat-sen Memorial Sun Yat-sen University City: Guangzhou

    Guangzhou, Guangdong, 510120, China

  • The Affilated Hospital of Inner Mongolia Medical University

    Hohhot, Inner Mongolia, 100000, China

  • The First Affiliated Hospital of China Medical University

    Shenyang, Liaoning, 110001, China

  • The First Affiliated Hospital of Shanxi Medical University

    Taiyuan, Shanxi, 650032, China

  • The First Affiliated Hospital of Xiamen University

    Shamen, Fujian, 410011, China

  • The First Affiliated Hospital of Zhengzhou University

    Zhengzhou, Henan, 361001, China

  • The First Hospital of Jilin University

    Changchun, Jilin, 130021, China

  • The Second Affiliated Hospital of Dalian Medical University

    Dalian, Liaoning, 116023, China

  • The Second Xiangya Hospital of Central South University

    Changsha, Hunan, 410013, China

  • The Third Xiangya Hospital of Central South University

    Changsha, Hunan, 361001, China

  • Tianjin Medical University General Hospital

    Tianjin, Hebei, 300041, China

  • Tongji Hospital Tongji Medical college of HUST

    Wuhan, Hubei, 430030, China

  • West China Hospital, Sichuan University

    Chengdu, Sichuan, 600041, China

More trials for these conditions

Other studies related to the condition(s) this trial covers.