Blood test may personalize lung cancer therapy
NCT ID NCT06917573
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether a simple blood test (ctDNA) can help doctors decide if adding chemotherapy to the immunotherapy drug cemiplimab works better for advanced lung cancer. About 63 people with stage IV or stage IIIB/C non-small cell lung cancer that hasn't been treated before will join. The goal is to see if this personalized approach helps people live longer.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 63 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Dec 2031
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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: * Histologically confirmed stage IV or stage IIIB/C not candidates for definitive chemo/radiotherapy or surgical resection non-small cell lung cancer (NSCLC) per the 8th edition TNM with no prior systemic anti-cancer therapy * PDL1 ≥50% * ECOG performance status 0-1 * Patients aged ≥ 18 years * Prior adjuvant or neoadjuvant chemotherapy for early stage is permitted if completed at least 6 months prior to enrolment * Presence of at least one measurable lesion by CT-scan per RECIST version 1.1 * Anticipated life expectancy \>12 weeks * Correct hematological, hepatic and renal function * Patient consent must be obtained in the appropriate manner as established in the applicable local and regulatory requirements * Patients must be accessible for treatment and follow-up * Women of childbearing potential, including women who had their last menstrual period in the last 2 years, must have a negative serum or urine pregnancy test within 3 days before enrolment. * All sexually active men and women of childbearing potential must use a highly effective contraceptive method during the study treatment and for a period of at least 4 months following the last administration of trial drugs Exclusion Criteria: * Patients whose tumors harbor an activating mutation in EGFR, ALK translocation, or ROS Proto-Oncogene 1 (ROS1) rearrangements sensitive to available targeted inhibitor therapy * Patients with grade ≥2 neuropathy * Pregnant or breastfeeding women * Patients with a weight loss \>10% within the previous 3 months * Patients with carcinomatous meningitis * Patients with a history of other malignant diseases within the past 3 years * Patients must have recovered from a major surgery at least 14 days prior to enrolment * Patients with active or uncontrolled infections or with serious medical conditions or disorders that may not allow patient management as established in the protocol * Prior treatment with antineoplasic drugs or thoracic radiotherapy for any reason different from the ones specific in the inclusion criteria * Patients who have received prior neo-adjuvant, adjuvant chemotherapy, radiotherapy, or chemo-radiotherapy with curative intent for non-metastatic disease less than 6 months before enrollment since the last chemotherapy, radiotherapy, or chemo-radiotherapy * Patients with a combination of small cell lung cancer and non-small cell lung cancer, a carcinoid lung tumor or large cell neuroendocrine carcinoma * Has known allergy or hypersensitivity to components of study drug * Significant comorbidities that preclude the administration of chemotherapy according to the investigator's criteria * Ongoing or recent evidence of significant autoimmune disease that required treatment with systemic immunosuppressive treatments * Untreated brain metastasis(es) that may be considered active * Immunosuppressive corticosteroid doses within 4 weeks prior to the first dose of cemiplimab * Uncontrolled infection with hepatitis B or hepatitis C or human immunodeficiency virus; or diagnosis of immunodeficiency * History of interstitial lung disease or active, noninfectious pneumonitis that required immune-suppressive doses of glucocorticoids to assist with management. * History of documented allergic reactions or acute hypersensitivity reactions attributed to antibody treatments * Patients with a history of solid organ transplant * Receipt of live vaccines within 30 days of first study treatment * Women of childbearing potential, or sexually active men, who are unwilling to practice highly effective contraception prior to the initial dose/start of the first treatment prior to the start of the first treatment, during the study, and for at least 4 months after the last dose.
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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
20 sites. 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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Hospital Clínico San Carlos
RECRUITINGMadrid, Madrid, 28040, Spain
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Hospital De Basurto
RECRUITINGBilbao, Bilbao, 48013, Spain
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Hospital Dr. Josep Trueta
RECRUITINGGirona, Girona, 17007, Spain
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Hospital General de Alicante
RECRUITINGAlicante, Alicante, 03010, Spain
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Hospital General de Elche
RECRUITINGElche, Alicante, 03203, Spain
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Hospital General de Valencia
RECRUITINGValencia, Valencia, 46014, Spain
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Hospital Puerta de Hierro
RECRUITINGMadrid, Madrid, 28222, Spain
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Hospital Universitari Son Llatzer
RECRUITINGPalma de Mallorca, Palma de Mallorca, 07198, Spain
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Hospital Universitari Vall d' Hebron
RECRUITINGBarcelona, Barcelona, 08035, Spain
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Hospital Universitario Dr. Negrín
RECRUITINGLas Palmas de Gran Canaria, Las Palmas, 35010, Spain
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Hospital Universitario Fundación Jiménez Díaz
RECRUITINGMadrid, Madrid, 28040, Spain
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Hospital Universitario Jerez De La Frontera
NOT_YET_RECRUITINGJerez de la Frontera, Cádiz, 11407, Spain
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Hospital Universitario Regional de Málaga
RECRUITINGMálaga, Málaga, 29010, Spain
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Hospital Universitario Salamanca
RECRUITINGSalamanca, Salamanca, 37007, Spain
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Hospital Universitario Severo Ochoa
RECRUITINGLeganés, Madrid, 28911, Spain
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Hospital Universitario Son Espases
RECRUITINGPalma de Mallorca, Mallorca, 07120, Spain
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Hospital de la Santa Creu i Sant Pau
RECRUITINGBarcelona, Barcelona, 08041, Spain
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Hospitalario Universitario A Coruña
RECRUITINGA Coruña, La Coruña, 15006, Spain
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ICO Badalona, Hospital Germans Trias i Pujol
RECRUITINGBadalona, Barcelona, 08916, Spain
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ICO Hospitalet
RECRUITINGL'Hospitalet de Llobregat, Barcelona, 08908, Spain
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