Evorpacept (ALX148) in Combination with Pembrolizumab and Chemotherapy in Patients with Advanced Head and Neck Squamous Cell Carcinoma (ASPEN-04)

Purpose

A Phase 2 Study of evorpacept (ALX148) in Combination With pembrolizumab and Chemotherapy in Patients With Advanced Head and Neck Squamous Cell Carcinoma.

Conditions

  • Head and Neck Cancer
  • Head and Neck Squamous Cell Carcinoma

Eligibility

Eligible Ages
Over 18 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Previously untreated metastatic or unresectable, recurrent head and neck squamous cell carcinoma. - Adequate bone marrow function. - Adequate renal and liver function. - Adequate ECOG performance status.

Exclusion Criteria

  • Patients with known symptomatic CNS metastases or leptomeningeal disease requiring steroids. - History of (non-infectious) pneumonitis that required steroids or current pneumonitis. - Prior treatment with any anti-CD47 or anti-SIRPα agent. - Prior treatment with anti-PD-1 or PD-L1.

Study Design

Phase
Phase 2
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
evorpacept (ALX148) + pembrolizumab + Chemotherapy
evorpacept (ALX148) 45 mg/kg IV, pembrolizumab 200 mg IV, and chemotherapy given every 3 weeks.
  • Drug: evorpacept
    IV Q3W
    Other names:
    • ALX148
  • Drug: pembrolizumab
    IV Q3W
    Other names:
    • KEYTRUDA®
  • Drug: Cisplatin/Carboplatin; 5FU
    IV Q3W
    Other names:
    • Platinol/Paraplatin; Adrucil
Active Comparator
pembrolizumab + Chemotherapy
pembrolizumab 200 mg IV and chemotherapy given every 3 weeks.
  • Drug: evorpacept
    IV Q3W
    Other names:
    • ALX148
  • Drug: pembrolizumab
    IV Q3W
    Other names:
    • KEYTRUDA®
  • Drug: Cisplatin/Carboplatin; 5FU
    IV Q3W
    Other names:
    • Platinol/Paraplatin; Adrucil

More Details

Status
Active, not recruiting
Sponsor
ALX Oncology Inc.

Study Contact

Detailed Description

This is a open-label, randomized phase 2 multi-center study of the anti-tumor efficacy of evorpacept (ALX148) + pembrolizumab + 5FU + platinum and of pembrolizumab + 5FU + platinum in patients with metastatic or unresectable, recurrent HNSCC who have not yet been treated for their advanced disease. The study comprises of an initial safety lead-in followed by a randomized portion.