Radioactive injection shows promise in slowing neuroendocrine tumor growth

NCT ID NCT05459844

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This Phase 3 study tested a radioactive drug called Lutetium-177 oxodotreotide against a high dose of the standard drug octreotide in 196 people with advanced neuroendocrine tumors that had stopped responding to treatment. The main goal was to see if the radioactive drug could delay tumor growth better than octreotide. Participants received either four injections of the radioactive drug or regular octreotide shots, and their tumors were monitored over time.

What this could mean

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

Active substance

Lutetium-177 oxodotreotide injection (a type of radioactive drug)

What this could lead to

If this treatment works, it could offer a more effective option to slow tumor growth in people with advanced neuroendocrine tumors that are no longer controlled by standard therapy.

What could go wrong

This is a Phase 3 trial, but results are not yet published. The radioactive drug may cause side effects like kidney or bone marrow damage, and not all patients may respond.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

digestive system neuroendocrine tumor, grade 1/2 neuroendocrine neoplasm

As listed by the trial registrant

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

Contacts and locations

Locations

  • Affiliated Hospital of Southwest Medical University

    Luzhou, Sichuan, 646000, China

  • Chinese PLA General Hospital

    Beijing, Beijing Municipality, 100853, China

  • Fudan University Shanghai Cancer Center

    Shanghai, Shanghai Municipality, 200032, China

  • Henan Provincial People's Hospital

    Zhengzhou, Henan, 450003, China

  • Mianyang Central Hospital

    Mianyang, Sichuan, 621099, China

  • Nanjing First Hospital

    Nanjing, Jiangsu, 210006, China

  • Qilu Hospital of Shandong University

    Jinan, Shandong, 250012, China

  • The First Affiliated Hospital of AFMU

    Xi'an, Shaanxi, 710032, China

  • The First Affiliated Hospital of Jinan University

    Guangzhou, Guangdong, 510630, China

  • The First Affiliated Hospital of Shanxi Medical University

    Taiyuan, Shanxi, 030012, China

  • The First Affiliated Hospital of Sun Yat-sen University

    Guangzhou, Guangdong, 510080, China

  • The First Affiliated Hospital of Xi'an Jiaotong University

    Xi'an, Shaanxi, 710061, China

  • The First Affiliated Hospital of Xiamen University

    Xiamen, Fujian, 361003, China

  • The First Affiliated Hospital of Zhengzhou University

    Zhengzhou, Henan, 450052, China

  • The First Affiliated Hospital, Zhejiang University School of Medicine

    Hangzhou, Zhejiang, 310003, China

  • The First Afilliated Hospital of Fujian Medical University

    Fuzhou, Fujian, 350005, China

  • The first hospital of Jilin University

    Changchun, Jilin, 130021, China

  • Tianjin Medical University Cancer Institute & Hospital

    Tianjin, Tianjin Municipality, 300060, China

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

    Wuhan, Hubei, 430030, China

  • Union Hospital Tongji Medical College Huazhong University of Science and Technology

    Wuhan, Hubei, 430022, China

  • West China Hospital of Sichuan University

    Chengdu, Sichuan, 610041, China

  • Zhejiang Cancer Hospital

    Hangzhou, Zhejiang, 310022, China

  • Zhongshan Hospital, Fudan University

    Shanghai, Shanghai Municipality, 200032, China