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A Phase 1/2 Open-Label Multicenter Trial to Characterize the Safety, Tolerability, and Preliminary Efficacy of CFT1946 as Monotherapy and Combination Therapy in Subjects with BRAF-V600 Mutant Solid Tumors.

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-501618-70-00
Acronym
CFT1946-1101
Enrollment
59
Registered
2023-05-16
Start date
2023-06-27
Completion date
2025-10-08
Last updated
2025-08-28

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

Conditions

BRAF-V600 Mutant Solid Tumors including Melanoma, Colorectal cancer and Anaplastic thyroid carcinoma., Non-small cell lung cancer

Brief summary

1. Incidence of dose limiting toxicities., 2. Frequency and severity of Adverse Events and Serious Adverse Events., 3. Changes between baseline and post baseline safety assessments., 4. Frequency of dose interruptions and dose reductions., 5. Frequency of Adverse Events leading to discontinuation of study treatment(s)., 6. Overall response rate measured by RECIST v1.1 criteria per Independent Review Committee.

Detailed description

1. All primary endpoints except incidence of dose limiting toxicities., 2. Single dose and multiple dose pharmacokinetics of CFT1946 (monotherapy and combination) and trametinib., 3. Pharmacokinetics-QT interval corrected for heart rate using Fridericia’s formula relationship., 4. Overall response rate measured by RECIST v1.1 per Investigator assessment., 5. Disease control rate at 3, 6, and 12 months., 6. Progression-free survival., 7. Duration of response., 8. Tumor BRAF degradation PD marker(s)., 9. MAPK pathway inhibition in BRAF tumor., 10. Dose/pharmacokinetic correlation to pharmacodynamic endpoints.

Interventions

DRUGCETUXIMAB
DRUGTrametinib

Sponsors

C4 Therapeutics Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
1. Incidence of dose limiting toxicities., 2. Frequency and severity of Adverse Events and Serious Adverse Events., 3. Changes between baseline and post baseline safety assessments., 4. Frequency of dose interruptions and dose reductions., 5. Frequency of Adverse Events leading to discontinuation of study treatment(s)., 6. Overall response rate measured by RECIST v1.1 criteria per Independent Review Committee.

Secondary

MeasureTime frame
1. All primary endpoints except incidence of dose limiting toxicities., 2. Single dose and multiple dose pharmacokinetics of CFT1946 (monotherapy and combination) and trametinib., 3. Pharmacokinetics-QT interval corrected for heart rate using Fridericia’s formula relationship., 4. Overall response rate measured by RECIST v1.1 per Investigator assessment., 5. Disease control rate at 3, 6, and 12 months., 6. Progression-free survival., 7. Duration of response., 8. Tumor BRAF degradation PD marker(s)., 9. MAPK pathway inhibition in BRAF tumor., 10. Dose/pharmacokinetic correlation to pharmacodynamic endpoints.

Countries

France, Germany, Italy, Spain

Outcome results

None listed

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