Can an immune booster shrink Hard-to-Treat stomach tumors?

NCT ID NCT04603040

First seen Jul 28, 2026 · Last updated Jul 29, 2026 · Updated 1 time

Summary

This phase 2 trial is testing whether toripalimab, an immunotherapy drug, can shrink tumors in people with advanced stomach or gastroesophageal junction cancer that has worsened after at least two prior treatments. Participants receive toripalimab every three weeks. The main goal is to see how many patients experience tumor shrinkage.

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 immunotherapy drug called toripalimab (also known as Tuoyi)
What this could lead to
If it works, this could offer a new treatment option for people with advanced stomach cancer who have run out of standard therapies.
What could go wrong
This is a small, early-phase trial with only 17 participants, so results may not apply to everyone. Immunotherapy can cause immune-related side effects.

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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

  • Affiliated Hospital of Hebei University

    Baoding, China

  • Affiliated Hospital of Qingdao University

    Qingdao, China

  • Affiliated Tumor Hospital of Guangzhou Medical University

    Guangzhou, China

  • Affiliated Tumor Hospital of Harbin Medical University

    Harbin, China

  • Anhui Provincial Hospital

    Hefei, China

  • First Affiliated Hospital of Zhengzhou University

    Zhengzhou, China

  • Fujian Provincial Cancer Hospital

    Fuzhou, China

  • Guangdong Provincial People's Hospital

    Guangzhou, China

  • Henan Cancer Hospital

    Henan, China

  • Jiangsu Cancer Hospital

    Nanjing, China

  • Jiangxi Provincial Cancer Hospital

    Nanchang, China

  • Nantong Tumor Hospital

    Nantong, China

  • Peking University International Hospital

    Beijing, China

  • Second Affiliated Hospital of Anhui Medical University

    Hefei, China

  • Shandong Cancer Hospital

    Jinan, China

  • Shanxi Cancer Hospital

    Taiyuan, China

  • Shengjing Hospital of China Medical University

    Shenyang, China

  • Sichuan Cancer Hospital

    Chengdu, China

  • Sun Yat-sen University Cancer Center

    Guangzhou, Guangdong, 510060, China

  • The First Affiliated Hospital of Anhui Medical University

    Hefei, China

  • The First Affiliated Hospital of Bengbu Medical College

    Hefei, China

  • The First Affiliated Hospital of Guangxi Medical University

    Nanning, China

  • The First Affiliated Hospital of Nanchang University Junhe Li

    Nanchang, China

  • The First Affiliated Hospital of Nanhua University

    Hengyang, China

  • The First Affiliated Hospital of Soochow University

    Suzhou, China

  • The First Affiliated Hospital of Sun Yat-sen University

    Guangzhou, China

  • The First Affiliated Hospital of Xiamen University

    Xiamen, China

  • The First Affiliated Hospital of Xinjiang Medical University

    Xinjiang, China

  • The First Affiliated Hospital of Zhejiang University Medical College

    Hangzhou, China

  • The First Hospital of Jilin University

    Ch’ang-ch’un, China

  • The Second Affiliated Hospital of Soochow University

    Suzhou, China

  • The first Affiliated Hospital of Henan University of Science and Technology

    Luoyang, China

  • The sixth Affiliated Hospital of Sun Yat-sen University

    Guangzhou, China

  • Tongji Hospital affiliated to Tongji Medical College of Huazhong University of Science and Technology

    Wuhan, China

  • Union Hospital affiliated to Fujian Medical University

    Fuzhou, China

  • Xuzhou Central Hospital

    Xuzhou, China

  • Zhejiang Cancer Hospital

    Hangzhou, China

  • Zhejiang University School of Medicine, Sir Run Run Shaw Hospital

    Hangzhou, China

  • Zhengzhou Central Hospital

    Zhengzhou, China

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