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A Phase Ib/II, open-label, safety and tolerability trial of obrixtamig in combination with ZL-1310 in patients with poorly differentiated NEC

Status
Not yet recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2026-525634-27-00
Enrollment
26
Registered
2026-10-05
Start date
Unknown
Completion date
Unknown
Last updated
2026-10-06

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

Conditions

Extrapulmonary neuroendocrine carcinoma of large cell histology, Large cell neuroendocrine lung carcinoma, Extrapulmonary neuroendocrine carcinoma of small cell histology, Small cell lung carcinoma

Brief summary

Part 1: The occurrence of DLTs during the DLT evaluation period., Part 2: The occurrence of treatment-emergent AEs leading to trial medication discontinuation or dose modification, Part 2: PFS rate at 6 months according to RECIST 1.1 based on investigator assessments or death from any cause, whichever occurs first

Detailed description

Part 1 and Part 2: Occurrence of treatment-emergent DLTs, Part 1 and Part 2: Occurrence of treatment-emergent AESIs, Part 1 and Part 2: Occurrence of treatment-emergent AEs CTCAE Grade ≥3, Part 1 and Part 2: Objective response (OR), Part 1 and Part 2: Duration of response (DoR), Part 1 and Part 2: Disease control (DC), Part 1: Progression-free survival (PFS), Part 2: Occurrence of DLTs during the DLT evaluation period

Interventions

DRUGTecentriq 1 200 mg concentrate for solution for infusion
DRUGRoActemra 20 mg/mL concentrate for solution for infusion

Sponsors

Boehringer Ingelheim International GmbH, Boehringer Ingelheim Espana S.A.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Part 1: The occurrence of DLTs during the DLT evaluation period., Part 2: The occurrence of treatment-emergent AEs leading to trial medication discontinuation or dose modification, Part 2: PFS rate at 6 months according to RECIST 1.1 based on investigator assessments or death from any cause, whichever occurs first—

Secondary

MeasureTime frame
Part 1 and Part 2: Occurrence of treatment-emergent DLTs, Part 1 and Part 2: Occurrence of treatment-emergent AESIs, Part 1 and Part 2: Occurrence of treatment-emergent AEs CTCAE Grade ≥3, Part 1 and Part 2: Objective response (OR), Part 1 and Part 2: Duration of response (DoR), Part 1 and Part 2: Disease control (DC), Part 1: Progression-free survival (PFS), Part 2: Occurrence of DLTs during the DLT evaluation period—

Outcome results

None listed

Source: EU CTIS · Data processed: Oct 7, 2026