An Open-label, Multicenter, Phase 1/2a Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Anti-tumour Activity of WEF-001 in participants with Advanced KRAS- Mutant Solid Tumours.

Status

Withdrawn

Phases

Phase 1Phase 2

Study type

Interventional

Source

EU CTIS

Registry ID

CTIS2024-518644-21-00

Acronym

WEF-001-01

Enrollment

Registered

2025-08-04

Start date

Unknown

Completion date

Unknown

Last updated

2025-08-04

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

Conditions

Advanced KRAS- Mutant Solid Tumours

Brief summary

Primary Endpoints - Phase 1: 1. Type, incidence and severity of TEAEs, SAEs and abnormal laboratory values per CTCAE v5.0. 2. Frequency of dose interruptions, reductions, and discontinuations. 3. Proportion of participants with DLTs at each dose level., Primary Endpoints - Phase 2a: 1. ORR according to RECIST v 1.1.

Detailed description

Secondary Endpoints - Phase 1: 1. PK parameters including, but not limited to a. AUC, b. Cmax, c. Tmax, d. T1/2 e. Clearance, f. Vd. 2. BOR, with calculation of ORR as a sum of CR or PR, and DCR as a sum of CR, PR, or SD, PFS, TTR and DOR according to RECIST v 1.1., Secondary Endpoints - Phase 2a: 1. DCR, DOR, and PFS according to RECIST v 1.1. 2. Type, incidence and severity of TEAEs, SAEs and clinical laboratory abnormalities per CTCAE v5.0. 3. Frequency of dose interruptions, reductions, and discontinuations. 4. PK parameters including, but not limited to a. AUC, b. Cmax, c. Tmax, d. T1/2, e. Clearance, f. Vd.

Interventions

DRUGWEF-001

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Design outcomes

Primary

Measure	Time frame
Primary Endpoints - Phase 1: 1. Type, incidence and severity of TEAEs, SAEs and abnormal laboratory values per CTCAE v5.0. 2. Frequency of dose interruptions, reductions, and discontinuations. 3. Proportion of participants with DLTs at each dose level., Primary Endpoints - Phase 2a: 1. ORR according to RECIST v 1.1.	—

Secondary

Measure	Time frame
Secondary Endpoints - Phase 1: 1. PK parameters including, but not limited to a. AUC, b. Cmax, c. Tmax, d. T1/2 e. Clearance, f. Vd. 2. BOR, with calculation of ORR as a sum of CR or PR, and DCR as a sum of CR, PR, or SD, PFS, TTR and DOR according to RECIST v 1.1., Secondary Endpoints - Phase 2a: 1. DCR, DOR, and PFS according to RECIST v 1.1. 2. Type, incidence and severity of TEAEs, SAEs and clinical laboratory abnormalities per CTCAE v5.0. 3. Frequency of dose interruptions, reductions, and discontinuations. 4. PK parameters including, but not limited to a. AUC, b. Cmax, c. Tmax, d. T1/2, e. Clearance, f. Vd.	—

Measure

Time frame

—

Countries

Spain

Outcome results

None listed

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