Status:

RECRUITING

A Study of Pembrolizumab (+) Berahyaluronidase Alfa (MK-3475A) (Pembrolizumab Formulated With Berahyaluronidase Alfa (MK-5180)) in Japanese Participants With Recurrent or Metastatic Cutaneous Squamous Cell Carcinoma (R/M cSCC) or Locally Advanced (LA) Unresectable cSCC (MK-3475A-E39)

Lead Sponsor:

Merck Sharp & Dohme LLC

Conditions:

Squamous Cell Carcinoma

Eligibility:

All Genders

18+ years

Phase:

PHASE2

Brief Summary

The purpose of this study is to evaluate the efficacy, safety, and tolerability of subcutaneous (SC) pembrolizumab (+) berahyaluronidase alfa in Japanese participants with recurrent or metastatic cuta...

Eligibility Criteria

Inclusion

  • The key inclusion and exclusion criteria include but are not limited to the following:
  • Has histologically confirmed cSCC by the investigator as the primary site of malignancy
  • R/M cSCC cohort only: Has metastatic disease, defined as disseminated disease distant to the initial/primary site of diagnosis, and/or has locally recurrent disease that has been previously treated (with either surgery or radiotherapy) and is not curable by either surgery or radiotherapy
  • LA unresectable cSCC cohort only: Is ineligible for surgical resection
  • LA unresectable cSCC cohort only: Has received prior radiation therapy (RT) to index site or has been deemed to be not eligible for RT
  • LA unresectable cSCC cohort only: Has received prior systemic therapy for curative intent are eligible regardless of regimen
  • Has a life expectancy of greater than 3 months
  • Must provide archival tumor tissue sample or newly obtained core or excisional biopsy of a tumor lesion not previously irradiated

Exclusion

  • Has cSCC that can be cured with surgical resection, radiotherapy, or with a combination of surgery and radiotherapy.
  • Has any other histologic type of skin cancer other than invasive squamous cell carcinoma as the primary disease under study
  • Has received prior systemic anticancer therapy including investigation agents within 4 weeks before allocation
  • Has not adequately recovered from major surgery or has ongoing surgical complications
  • Received prior radiotherapy within 2 weeks of study intervention, or had radiation-related toxicities, requiring corticosteroids
  • Received a live or live-attenuated vaccine within 30 days before the first dose of study intervention
  • Known additional malignancy that is progressing or has required active treatment within the past 2 years
  • Has an ongoing active infection requiring systemic therapy
  • Has a history of human immunodeficiency virus (HIV) infection
  • Has an active autoimmune disease that has required systemic treatment in past 2 years
  • Has history of allogenic tissue/organ transplant

Key Trial Info

Start Date :

October 20 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

March 31 2028

Estimated Enrollment :

19 Patients enrolled

Trial Details

Trial ID

NCT06041802

Start Date

October 20 2023

End Date

March 31 2028

Last Update

December 15 2025

Active Locations (18)

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Page 1 of 5 (18 locations)

1

Nagoya University Hospital ( Site 0003)

Nagoya, Aichi-ken, Japan, 466-8560

2

Sapporo Medical University Hospital ( Site 0002)

Sapporo, Hokkaido, Japan, 060-8543

3

Yokohama City University Hospital ( Site 0016)

Yokohama, Kanagawa, Japan, 236-0004

4

Tohoku University Hospital ( Site 0019)

Sendai, Miyagi, Japan, 980-8574