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LAG3 PET; ImmunoPET imaging with 89Zr-DFO-REGN3767 in patients with advanced solid cancer prior to and during treatment with cemiplimab with or without platinum-based chemotherapy

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2024-516795-15-00
Acronym
202000570
Enrollment
38
Registered
2024-11-25
Start date
2024-11-27
Completion date
Unknown
Last updated
2024-11-25

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

Conditions

cervical cancer, CSCC, Metastatic solid tumors, microsatellite instable (MSI)-high/deficient mismatch repair (dMMR) cancer, non-small-cell lung carcinoma (NSCLC), renal cell carcinoma (RCC), small cell lung cancer (SCLC) and head and neck squamous cell carcinoma (HNSCC)., these may include but are not limited to melanoma, urothelial cell carcer (UCC)

Brief summary

Comparison of standardized uptake values in tumor lesions and tumor-to-blood ratios at different time points and different 89Zr-DFO-REGN3767 antibody dose levels., To evaluate the biodistribution and PK of 89Zr-DFO-REGN3767 antibody by measuring standardized uptake value (SUV) on 89Zr-DFO-REGN3767 PET scans in patients with histologically or cytologically documented locally advanced or metastatic solid tumors who based on available clinical data may benefit from treatment with cemiplimab with or without platinum-based chemotherapy., Safety evaluation through summaries of adverse events, changes in laboratory test results and changes in vital signs after exposure to 89Zr-DFO-REGN3767.

Detailed description

Comparison of tracer uptake, expressed as standardized uptake values, in different tumor lesions within and between patients on 89Zr-PET scans., Correlation of tumor tracer uptake with tumor and immune cell LAG3 expression as assessed by immunohistochemistry on a tumor biopsy sample., Correlation of tumor tracer uptake with response to cemiplimab with or without platinum-based chemotherapy, according to RECIST v1.1., Assessment of change in tumor and normal organ tracer uptake after 2 cycles of cemiplimab with or without chemotherapy

Interventions

DRUGFianlimab
DRUGLIBTAYO 350 mg concentrate for solution for infusion.

Sponsors

Universitair Medisch Centrum Groningen
Lead SponsorOTHER

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Comparison of standardized uptake values in tumor lesions and tumor-to-blood ratios at different time points and different 89Zr-DFO-REGN3767 antibody dose levels., To evaluate the biodistribution and PK of 89Zr-DFO-REGN3767 antibody by measuring standardized uptake value (SUV) on 89Zr-DFO-REGN3767 PET scans in patients with histologically or cytologically documented locally advanced or metastatic solid tumors who based on available clinical data may benefit from treatment with cemiplimab with or without platinum-based chemotherapy., Safety evaluation through summaries of adverse events, changes in laboratory test results and changes in vital signs after exposure to 89Zr-DFO-REGN3767.

Secondary

MeasureTime frame
Comparison of tracer uptake, expressed as standardized uptake values, in different tumor lesions within and between patients on 89Zr-PET scans., Correlation of tumor tracer uptake with tumor and immune cell LAG3 expression as assessed by immunohistochemistry on a tumor biopsy sample., Correlation of tumor tracer uptake with response to cemiplimab with or without platinum-based chemotherapy, according to RECIST v1.1., Assessment of change in tumor and normal organ tracer uptake after 2 cycles of cemiplimab with or without chemotherapy

Countries

Netherlands

Outcome results

None listed

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