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A Multicenter, Open-label, Phase 1/2 Safety Run-in and Expansion Study of PM54 in Combination With Immunotherapy Evaluating Safety and Efficacy in Adult Participants who were Previously Treated for Advanced Malignancies

Status
Not yet recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-523774-16-00
Enrollment
36
Registered
2026-04-24
Start date
Unknown
Completion date
Unknown
Last updated
2026-04-24

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

Conditions

Advanced malignancies

Brief summary

Parts 1 and 2 Treatment-emergent adverse events (TEAEs), serious TEAEs, dose-limiting toxicities (DLTs), TEAEs leading to treatment discontinuation or dose modifications; these will be considered in the determination of the recommended dose (RD), Specific to Part 1 Only - DLTs during the DLT assessment period

Detailed description

Confirmed ORR per RECIST v1.1 (or mRECIST v1.1, where applicable) during the study, CBR in the first 12 weeks, Disease control rate, defined as the proportion of participants who achieve a best overall response of stable disease, PR, or CR as defined by RECIST v1.1 (or mRECIST v1.1, where applicable) during the study, Progression-free survival (PFS), Duration of response, Time to treatment failure, Overall survival, Plasma concentration of PM54 and pembrolizumab throughout the study

Interventions

DRUGPEMBROLIZUMAB
DRUGPM54

Sponsors

Pharma Mar S.A.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Parts 1 and 2 Treatment-emergent adverse events (TEAEs), serious TEAEs, dose-limiting toxicities (DLTs), TEAEs leading to treatment discontinuation or dose modifications; these will be considered in the determination of the recommended dose (RD), Specific to Part 1 Only - DLTs during the DLT assessment period

Secondary

MeasureTime frame
Confirmed ORR per RECIST v1.1 (or mRECIST v1.1, where applicable) during the study, CBR in the first 12 weeks, Disease control rate, defined as the proportion of participants who achieve a best overall response of stable disease, PR, or CR as defined by RECIST v1.1 (or mRECIST v1.1, where applicable) during the study, Progression-free survival (PFS), Duration of response, Time to treatment failure, Overall survival, Plasma concentration of PM54 and pembrolizumab throughout the study

Outcome results

None listed

Source: EU CTIS · Data processed: Apr 25, 2026