Evorpacept (ALX148) in Combination With Pembrolizumab in Patients With Advanced Head and Neck Squamous Cell Carcinoma (ASPEN-03)
Study Details
Study Description
Brief Summary
A Phase 2 Study of Evorpacept (ALX148) in Combination With Pembrolizumab in Patients With Advanced Head and Neck Squamous Cell Carcinoma.
Condition or Disease | Intervention/Treatment | Phase |
---|---|---|
Phase 2 |
Detailed Description
This is a open-label, randomized phase 2 multi-center study of the anti-tumor efficacy of evorpacept (ALX148) + pembrolizumab and of pembrolizumab alone in patients with metastatic or unresectable, recurrent HNSCC that is PD-L1 positive (CPS ≥1 by an FDA-approved test) and who have not yet been treated for their advanced disease. The study comprises an initial safety lead-in cohort followed by a randomized portion.
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Experimental: Evorpacept (ALX148) + Pembrolizumab Evorpacept (ALX148) 45 mg/kg IV and pembrolizumab 200 mg IV given every 3 weeks. |
Drug: Evorpacept
IV Q3W
Other Names:
Drug: Pembrolizumab
IV Q3W
Other Names:
|
Active Comparator: Pembrolizumab Pembrolizumab 200 mg IV given every 3 weeks. |
Drug: Pembrolizumab
IV Q3W
Other Names:
|
Outcome Measures
Primary Outcome Measures
- Objective response rate per RECIST 1.1 [Last randomized patient reaching at least 24 weeks of follow-up]
- 12-month overall survival rate [Last randomized patient reaching 12 months of follow-up]
Secondary Outcome Measures
- Duration of response [Up to 36 months]
- Progression-free survival [Up to 36 months]
- Overall survival [Up to 36 months]
- Adverse events [Up to 36 months]
Eligibility Criteria
Criteria
Inclusion Criteria:
-
Patients with metastatic or unresectable, recurrent head and neck squamous cell carcinoma (HNSCC) that is PD-L1 positive (CPS > 1) and who have not received prior systemic therapy for their advanced disease.
-
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 has current pneumonitis.
-
Prior treatment with any anti-CD47 or anti-SIRPα agent.
-
Prior treatment with anti-PD-1 or PD-L1.
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
---|---|---|---|---|---|
1 | Hoag Hospital | Irvine | California | United States | 92618 |
2 | University of California San Diego | La Jolla | California | United States | 92037 |
3 | Rush University Medical Center | Chicago | Illinois | United States | 60612 |
4 | University of Maryland Medical System | Baltimore | Maryland | United States | 21201 |
5 | Massachusetts General Hospital | Boston | Massachusetts | United States | 02114 |
6 | Vanderbilt - Ingram Cancer Center | Nashville | Tennessee | United States | 37232 |
7 | Ashford Cancer Center | Adelaide | South Australia | Australia | 5037 |
8 | Cliniques Universitaires Saint-Luc | Bruxelles | Belgium | ||
9 | Princess Margaret Cancer Centre | Toronto | Ontario | Canada | |
10 | Hospital Universitari Dexeus | Barcelona | Spain | 08028 | |
11 | Hospital Universitario La Paz | Madrid | Spain |
Sponsors and Collaborators
- ALX Oncology Inc.
- Merck Sharp & Dohme LLC
Investigators
None specified.Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- AT148003
- KEYNOTE-B87