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Completed PHASE3 INTERVENTIONAL 2-arm NCT05064059

A Study of Coformulated Favezelimab/Pembrolizumab (MK-4280A) Versus Standard of Care in Subjects With Previously Treated Metastatic PD-L1 Positive Colorectal Cancer (MK-4280A-007)

A Phase 3 Study of MK-4280A (Coformulated Favezelimab [MK-4280] Plus Pembrolizumab [MK-3475]) Versus Standard of Care in Previously Treated Metastatic PD-L1 Positive Colorectal Cancer (KEYFORM-007)

Sponsor: Merck Sharp & Dohme LLC

Updated 25 times since 2021 Last updated: Aug 28, 2025 Started: Nov 10, 2021 Primary completion: Aug 15, 2024 Completion: Feb 21, 2025
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT05064059, this PHASE3 trial focuses on Colorectal Cancer and remains completed. Sponsored by Merck Sharp & Dohme LLC, it has been updated 25 times since 2021, reflecting substantial change activity. This study contributes to the evolving evidence base for cancer treatment protocols.

Status Flow

~Oct 2021 – ~Dec 2021 · 2 months · monthly snapshot~Dec 2021 – ~Jan 2022 · 31 days · monthly snapshot~Jan 2022 – ~Feb 2022 · 31 days · monthly snapshot~Feb 2022 – ~Mar 2022 · 28 days · monthly snapshot~Mar 2022 – ~Apr 2022 · 31 days · monthly snapshot~Apr 2022 – ~May 2022 · 30 days · monthly snapshot~May 2022 – ~Jun 2022 · 31 days · monthly snapshot~Jun 2022 – ~Jul 2022 · 30 days · monthly snapshot~Jul 2022 – ~Sep 2022 · 2 months · monthly snapshot~Sep 2022 – ~Nov 2022 · 2 months · monthly snapshot~Nov 2022 – ~Jul 2023 · 8 months · monthly snapshot~Jul 2023 – ~Feb 2024 · 7 months · monthly snapshot~Feb 2024 – ~Mar 2024 · 29 days · monthly snapshot~Mar 2024 – ~May 2024 · 2 months · monthly snapshot~May 2024 – ~Jul 2024 · 2 months · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Nov 2024 · 2 months · monthly snapshot~Nov 2024 – ~Jan 2025 · 2 months · monthly snapshot~Jan 2025 – ~Apr 2025 · 3 months · monthly snapshot~Apr 2025 – ~Jun 2025 · 2 months · monthly snapshot~Jun 2025 – ~Sep 2025 · 3 months · monthly snapshot~Sep 2025 – ~Oct 2025 · 30 days · monthly snapshot~Oct 2025 – ~Dec 2025 · 2 months · monthly snapshot~Dec 2025 – present · 8 months · monthly snapshot

Change History

25 versions recorded
  1. Dec 2025 — Present [monthly]

    Completed PHASE3

  2. Oct 2025 — Dec 2025 [monthly]

    Completed PHASE3

  3. Sep 2025 — Oct 2025 [monthly]

    Completed PHASE3

  4. Jun 2025 — Sep 2025 [monthly]

    Completed PHASE3

  5. Apr 2025 — Jun 2025 [monthly]

    Completed PHASE3

    Status: Active Not RecruitingCompleted

Show 20 earlier versions
  1. Jan 2025 — Apr 2025 [monthly]

    Active Not Recruiting PHASE3

  2. Nov 2024 — Jan 2025 [monthly]

    Active Not Recruiting PHASE3

  3. Sep 2024 — Nov 2024 [monthly]

    Active Not Recruiting PHASE3

  4. Aug 2024 — Sep 2024 [monthly]

    Active Not Recruiting PHASE3

  5. Jul 2024 — Aug 2024 [monthly]

    Active Not Recruiting PHASE3

  6. May 2024 — Jul 2024 [monthly]

    Active Not Recruiting PHASE3

  7. Mar 2024 — May 2024 [monthly]

    Active Not Recruiting PHASE3

  8. Feb 2024 — Mar 2024 [monthly]

    Active Not Recruiting PHASE3

  9. Jul 2023 — Feb 2024 [monthly]

    Active Not Recruiting PHASE3

  10. Nov 2022 — Jul 2023 [monthly]

    Active Not Recruiting PHASE3

    Status: RecruitingActive Not Recruiting

  11. Sep 2022 — Nov 2022 [monthly]

    Recruiting PHASE3

  12. Jul 2022 — Sep 2022 [monthly]

    Recruiting PHASE3

  13. Jun 2022 — Jul 2022 [monthly]

    Recruiting PHASE3

  14. May 2022 — Jun 2022 [monthly]

    Recruiting PHASE3

  15. Apr 2022 — May 2022 [monthly]

    Recruiting PHASE3

  16. Mar 2022 — Apr 2022 [monthly]

    Recruiting PHASE3

  17. Feb 2022 — Mar 2022 [monthly]

    Recruiting PHASE3

  18. Jan 2022 — Feb 2022 [monthly]

    Recruiting PHASE3

  19. Dec 2021 — Jan 2022 [monthly]

    Recruiting PHASE3

    Status: Not Yet RecruitingRecruiting

  20. Oct 2021 — Dec 2021 [monthly]

    Not Yet Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Merck Sharp & Dohme LLC
Data source: Merck Sharp & Dohme LLC

For direct contact, visit the study record on ClinicalTrials.gov .