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NCT Number: NCT07308379

Real-World Study of Toripalimab in Extensive-Stage Small Cell Lung Cancer

This is a prospective, observational, multi-center, real-world study evaluating the effectiveness and safety of Toripalimab (a PD-1 inhibitor) as first-line treatment for patients with extensive-stage small cell lung cancer (ES-SCLC). The primary objective is to assess real-world progression-free survival (rwPFS). Secondary objectives include evaluating real-world objective response rate (rwORR), disease control rate (rwDCR), overall survival (rwOS), and safety. Approximately 1200 patients from multiple centers in China will be enrolled and followed according to routine clinical practice. Data will be collected from medical records and follow-up visits.

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Key information

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Voluntarily participate and sign the informed consent form.
  • Histologically or cytologically confirmed extensive-stage small cell lung cancer (ES-SCLC);
  • Scheduled to receive Toripalimab as first-line treatment;
  • Availability of traceable medical history records during the treatment period.

Exclusion criteria

  • Pregnant or lactating women;
  • Known allergic to recombinant humanized anti-PD-1 monoclonal antibody drugs or their components;
  • Any other condition deemed by the investigator as unsuitable for inclusion in the study.

Treatment and study plan

Toripalimab

Drug

A humanized IgG4 monoclonal antibody against programmed cell death protein 1 (PD-1). The recommended dosage is 240 mg administered intravenously on Day 1 of each 3-week cycle (q3w). Treatment continues until disease progression, unacceptable toxicity, death, withdrawal of consent, or investigator decision. It is used in combination with chemotherapy (etoposide and platinum-based drugs) as per routine clinical practice.

Primary outcomes

  1. Real-world Progression-Free Survival (rwPFS)

    Time frame: 2 years

    The time from the initiation of the first dose until the first documented occurrence of disease progression or death from any cause, whichever occurs first. Patients who do not experience any event during follow-up or study treatment will be censored at the time of their last tumor assessment. Patients who do not have any post-baseline assessment will be censored on the date of enrollment/initiation of medication.

Secondary outcomes

  1. Real-world Overall Survival (rwOS)

    Time frame: 2 years

    The time from the initiation of the first dose until the documented event of death from any cause. Patients who do not experience the event will be censored at the date of their last known survival. Patients who do not provide any follow-up information will be censored on the date of enrollment/initiation of medication.

  2. Real-world Objective Response Rate (rwORR)

    Time frame: 2 years

    The proportion of patients who achieve a Complete Response (CR) or Partial Response (PR); response is determined by the investigator based on clinician-cited evidence or records without a source of evidence.

  3. Real-world Disease Control Rate (rwDCR)

    Time frame: 2 years

    The proportion of patients who achieve a Complete Response (CR) or Partial Response (PR) or Stable Disease (SD); response is determined by the investigator based on clinician-cited evidence or records without a source of evidence.

  4. Treatment-related adverse event (TRAE)

    Time frame: 2 years

    Including immune-related adverse events (irAEs), particularly Grade ≥3 TRAEs. Monitoring for adverse events will be conducted during the treatment period and until 30 days after the last dose, or until the event resolves or stabilizes.

Study contacts

Contact information is provided by the study sponsor or research team.

Zhengfei Zhu, PhD

CONTACT

[email protected]

+8618017312901

Sponsors and collaborators

Lead sponsor

Fudan University

Other

Registry information

Official study title

A Prospective, Observational, Multi-Center, Real-World Study of Toripalimab Injection in First-Line Treatment of Extensive-Stage Small Cell Lung Cancer

Important dates

Study start
2026
Primary completion
2028
Study completion
2028
First posted
Dec 29, 2025
Registry last updated
Dec 29, 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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