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A single arm phase II study evaluating intracranial efficacy of tarlatamab in patients with asymptomatic active brain metastases from small cell lung cancer

Status
Not yet recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-522162-75-00
Enrollment
35
Registered
2026-04-15
Start date
Unknown
Completion date
Unknown
Last updated
2026-04-15

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

Conditions

patients with asymptomatic active brain metastases from small cell lung cancer

Brief summary

- BM ORR (RANO-BM). This will be evaluated with MRI brain after six weeks of treatment and there-after every six weeks. Confirmed BM ORR according to RANO-BM will be measured at 12 weeks.

Detailed description

All imaging related endpoints will be measured with MRI brain for BM related outcomes and CT chest and upper abdomen for extracranial related outcomes after six weeks of treatment and thereafter eve-ry six weeks. - Key secondary: BM DCR (RANO-BM), CNS PFS (RANO-BM) - Extracranial ORR and DCR (RECIST 1.1) - extracranial PFS (based on RECIST 1.1) - overall PFS (based on RANO-BM for BM and RECIST 1.1 for extracranial lesions) - OS - Safety according to CTCAE v 5.0 during every visit

Interventions

DRUGTarlatamab

Sponsors

Academisch Ziekenhuis Maastricht
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
- BM ORR (RANO-BM). This will be evaluated with MRI brain after six weeks of treatment and there-after every six weeks. Confirmed BM ORR according to RANO-BM will be measured at 12 weeks.

Secondary

MeasureTime frame
All imaging related endpoints will be measured with MRI brain for BM related outcomes and CT chest and upper abdomen for extracranial related outcomes after six weeks of treatment and thereafter eve-ry six weeks. - Key secondary: BM DCR (RANO-BM), CNS PFS (RANO-BM) - Extracranial ORR and DCR (RECIST 1.1) - extracranial PFS (based on RECIST 1.1) - overall PFS (based on RANO-BM for BM and RECIST 1.1 for extracranial lesions) - OS - Safety according to CTCAE v 5.0 during every visit

Outcome results

None listed

Source: EU CTIS · Data processed: Apr 16, 2026