New drug SCTB14 takes on standard immunotherapy in lung cancer showdown
NCT ID NCT07362459
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This phase 3 trial compares a new experimental drug, SCTB14, to the standard immunotherapy pembrolizumab (Keytruda) as a first treatment for people with advanced non-small cell lung cancer whose tumors have high PD-L1 levels (TPS ≥10%). About 246 participants will receive either SCTB14 or pembrolizumab every 3 weeks. The main goal is to see if SCTB14 can delay cancer growth better than the current standard.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- SCTB14 (an experimental immunotherapy drug given by IV every 3 weeks)
- What this could lead to
- If SCTB14 works better than pembrolizumab, it could offer a new first-line immunotherapy option for people with advanced lung cancer.
- What could go wrong
- This is an early-stage comparison; SCTB14 may not prove superior or could have unexpected side effects. The trial is still recruiting, so results are years away.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 246 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Sep 2029
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Voluntarily sign the written informed consent form prior to screening. 2. Age ≥ 18 years, both male and female. 3. ECOG Performance Status score of 0 to 1. 4. An expected survival of ≥ 3 months. 5. Histologically or cytologically confirmed, unresectable locally advanced (Stage IIIB/IIIC) or metastatic (Stage IV) Non-Small Cell Lung Cancer (NSCLC) that is not amenable to curative surgery or radical concurrent/sequential chemoradiotherapy. 6. For subjects with non-squamous cell carcinoma, as well as non-smoking subjects with squamous cell carcinoma containing mixed adenocarcinoma components, confirmation of the absence of EGFR sensitizing mutations or ALK gene rearrangements from tumor tissue is required prior to enrollment. 7. Subjects must provide a histology sample suitable for PD-L1 testing, with a Tumor Proportion Score (TPS) ≥ 10%. 8. No prior systemic anti-tumor therapy for the studied disease. 9. At least one measurable non-CNS lesion according to RECIST v1.1 criteria. 10. Adequate function of major organs. Exclusion Criteria: 1. Known actionable driver gene mutations such as ROS1 fusion, BRAF V600E mutation, NTRK fusion, MET exon 14 skipping mutation, and RET fusion mutation. 2. Received non-specific immunomodulatory therapy or immunosuppressive drugs within 2 weeks before the first dose; received traditional Chinese medicine with antineoplastic indications within 1 week before the first dose. 3. Prior thoracic radiotherapy; or local anti-tumor therapy within 2 weeks before first dosing. 4. Prior treatment with antitumor immunotherapy, antiangiogenic therapy, or other small molecule tyrosine kinase inhibitor (TKI)-based antitumor drugs. 5. subjects with metastasis or compression involving the brainstem, meninges, or spinal cord, or those with active CNS metastases or multiple brain metastases. 6. Imaging demonstrates tumor invasion of major blood vessels, significant necrosis or cavitation within the primary tumor lesions, or the presence of lymphangitic carcinomatosis. 7. Imaging demonstrates tumor invasion or compression of adjacent vital organs or carries a risk of developing an esophagotracheal fistula or esophagopleural fistula. 8. History of hypertensive crisis or hypertensive encephalopathy, or the presence of uncontrolled hypertension despite medication, or poorly controlled diabetes despite pharmacotherapy. 9. A history of arterial thrombosis, deep vein thrombosis, cerebral infarction, transient ischemic attack, or significant vascular disease within 6 months prior to enrollment. 10. A history of myocardial infarction, unstable angina, cardiac insufficiency with New York Heart Association (NYHA) class ≥ III, or severe arrhythmia uncontrolled by medication within 6 months prior to enrollment. 11. The presence of any active autoimmune disease or a history of autoimmune disease with an anticipated recurrence. 12. A history of esophageal/gastric varices, severe ulcer, abdominal fistula, intra-abdominal abscess, gastrointestinal perforation and/or fistula, acute gastrointestinal bleeding, intestinal obstruction, or extensive intestinal resection within 6 months prior to the first dose. 13. A history of bleeding tendency, high bleeding risk, or coagulation dysfunction,. 14. The presence of other malignant tumors. 15. Toxicities from prior neoadjuvant/adjuvant therapy, surgery, radiotherapy, or other previous antitumor treatments have not recovered to Grade 0-1. 16. Receipt of a live or attenuated vaccine within 4 weeks prior to the first dose, or a plan to receive a live or attenuated vaccine during the study period; however, the use of inactivated vaccines is permitted. 17. Presence of any of the following infectious conditions: a) severe infection within 4 weeks prior to the first dose; b) active infection within 2 weeks prior to enrollment; c) active tuberculosis; d) positive HIV antibody; e) active hepatitis B or C; f) known active syphilis. 18. Major surgery planned or anticipated during the study period, or unhealed tissue present before enrollment.. 19. Presence of symptomatic or recurrent pleural effusion, pericardial effusion, or ascites requiring drainage. 20. A history of non-infectious pneumonia requiring treatment or the presence of interstitial lung disease 21. A history of allogeneic organ transplantation or allogeneic hematopoietic stem cell transplantation. 22. Known hypersensitivity to any component of the investigational drug or a documented history of severe hypersensitivity reactions to any other monoclonal antibody. 23. Current participation in another clinical trial, with the exception of observational (non-interventional) studies or the follow-up phase of an interventional trial. 24. Pregnancy or lactation in female subjects. 25. A known history of alcohol or drug addiction, psychiatric disorders, or drug abuse in the subject. 26. Tumor-induced conditions or symptoms associated with a high medical risk. 27. Any other condition deemed by the investigator to be inappropriate for enrollment.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Shanghai Chest Hospital
RECRUITINGShanghai, Shanghai Municipality, 200030, China
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