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A phase II randomized clinical trial of Tarlatamab as maintenance treatment after sequential chemo-radiotherapy vs sequential chemo-radiotherapy as standard treatment for limited stage SCLC patients not eligible for concurrent chemo-radiotherapy. MERLIN GECP 24/01

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-515201-26-00
Acronym
MERLIN (GECP 24/02)
Enrollment
37
Registered
2025-10-02
Start date
2025-12-09
Completion date
Unknown
Last updated
2026-01-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Small cell lung cancer (SCLC)

Brief summary

Efficacy of Tarlatamab as maintenance treatment assessed by progression free survival. PFS, defined as the time from enrollment to the date of the first documentation of disease progression according to RECIST 1.1 or death from any cause, whichever is earlier

Detailed description

1. Describe the efficacy of Tarlatamab as maintenance treatment as assessed by objective response rate (ORR). Investigator-assessed ORR, defined as a confirmed complete response (CR) plus partial response (PR) according to RECIST 1.1., 2. OS at 6 months and 1 and 2 years, defined as the time from enrollment to the date of death from any cause, 3. PFS at 6 months and 1 and 2 years, defined as the time from enrollment to the date of death from any cause, 4. Evaluate the safety and tolerability of Tarlatamab as maintenance treatment., 5. Incidence of adverse events (AEs) describing their frequency and severity, study intervention discontinuations due to AEs and the grade of relationship with the study drugs according to CTCAE v5.0, 6. To study the tumour microenvironment at baseline and the antitumor immune response in peripheral blood throughout treatment and correlate the results to clinical outcomes, ORR, OS, and AEs.

Interventions

DRUGTarlatamab

Sponsors

Fundacion GECP
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Efficacy of Tarlatamab as maintenance treatment assessed by progression free survival. PFS, defined as the time from enrollment to the date of the first documentation of disease progression according to RECIST 1.1 or death from any cause, whichever is earlier

Secondary

MeasureTime frame
1. Describe the efficacy of Tarlatamab as maintenance treatment as assessed by objective response rate (ORR). Investigator-assessed ORR, defined as a confirmed complete response (CR) plus partial response (PR) according to RECIST 1.1., 2. OS at 6 months and 1 and 2 years, defined as the time from enrollment to the date of death from any cause, 3. PFS at 6 months and 1 and 2 years, defined as the time from enrollment to the date of death from any cause, 4. Evaluate the safety and tolerability of Tarlatamab as maintenance treatment., 5. Incidence of adverse events (AEs) describing their frequency and severity, study intervention discontinuations due to AEs and the grade of relationship with the study drugs according to CTCAE v5.0, 6. To study the tumour microenvironment at baseline and the antitumor immune response in peripheral blood throughout treatment and correlate the results to clinical outcomes, ORR, OS, and AEs.

Countries

Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026