New hope for rare lung cancer: experimental drug combo enters human trials

NCT ID NCT07476287

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a new medicine called PF-08634404 given with chemotherapy for adults with transformed small cell lung cancer (T-SCLC), a rare and aggressive cancer that develops from another lung cancer type. About 40 participants will receive the drug combo through IV infusions, then continue the study drug alone. The main goal is to see if tumors shrink and to check for side effects.

What this could mean

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

Active substance

PF-08634404 (also called SSGJ-707) given with chemotherapy

What this could lead to

If it works, this could offer a new treatment option for people with transformed small cell lung cancer, a rare and aggressive cancer that currently has few options.

What could go wrong

This is an early Phase 2 trial with only 40 participants, so results may not apply to everyone. The drug may not shrink tumors or could cause side effects like those from chemotherapy.

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.

lung neoplasm small cell lung carcinoma

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • City of Hope Lennar Foundation Cancer Center

    RECRUITING

    Irvine, California, 92618, United States

  • City of Hope National Medical Center

    RECRUITING

    Duarte, California, 91010, United States

  • Hope and Healing Clinical Research

    RECRUITING

    Hinsdale, Illinois, 60521, United States

  • Hope and Healing Clinical Research

    RECRUITING

    New Lenox, Illinois, 60451, United States

  • Japanese Foundation for Cancer Research

    RECRUITING

    Kotoku, Tokyo, 135-8550, Japan

  • National Cheng Kung University Hospital

    NOT_YET_RECRUITING

    Tainan, 704302, Taiwan

  • National Taiwan University Hospital

    NOT_YET_RECRUITING

    Taipei, 100, Taiwan

  • Peking Union Medical College Hospital

    NOT_YET_RECRUITING

    Beijing, Beijing Municipality, 100730, China

  • Shaare Zedek Medical Center

    RECRUITING

    Jerusalem, Jerusalem, 9103102, Israel

  • Shanghai Chest Hospital

    NOT_YET_RECRUITING

    Shanghai, Shanghai Municipality, 200030, China

  • Sheba Medical Center

    RECRUITING

    Ramat Gan, HA Merkaz, 5265601, Israel

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

    NOT_YET_RECRUITING

    Wuhan, Hubei, 430048, China