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

NCT ID: NCT04675333

Last Updated: 2025-08-03

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

172 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-05-10

Study Completion Date

2026-06-30

Brief Summary

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

Detailed Description

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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.

Conditions

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Head and Neck Cancer Head and Neck Squamous Cell Carcinoma

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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evorpacept (ALX148) + pembrolizumab + Chemotherapy

evorpacept (ALX148) 45 mg/kg IV, pembrolizumab 200 mg IV, and chemotherapy given every 3 weeks.

Group Type EXPERIMENTAL

evorpacept

Intervention Type DRUG

IV Q3W

pembrolizumab

Intervention Type DRUG

IV Q3W

Cisplatin/Carboplatin; 5FU

Intervention Type DRUG

IV Q3W

pembrolizumab + Chemotherapy

pembrolizumab 200 mg IV and chemotherapy given every 3 weeks.

Group Type ACTIVE_COMPARATOR

pembrolizumab

Intervention Type DRUG

IV Q3W

Cisplatin/Carboplatin; 5FU

Intervention Type DRUG

IV Q3W

Interventions

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evorpacept

IV Q3W

Intervention Type DRUG

pembrolizumab

IV Q3W

Intervention Type DRUG

Cisplatin/Carboplatin; 5FU

IV Q3W

Intervention Type DRUG

Other Intervention Names

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ALX148 KEYTRUDA® Platinol/Paraplatin; Adrucil

Eligibility Criteria

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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.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Merck Sharp & Dohme LLC

INDUSTRY

Sponsor Role collaborator

ALX Oncology Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Hoag Hospital

Irvine, California, United States

Site Status

University of California San Diego

La Jolla, California, United States

Site Status

Cedar Sinai Medical Center

Los Angeles, California, United States

Site Status

University of Miami, Sylvester Comprehensive Cancer Center

Miami, Florida, United States

Site Status

Moffitt Cancer Center

Tampa, Florida, United States

Site Status

Rush University Medical Center

Chicago, Illinois, United States

Site Status

University of Louisville

Louisville, Kentucky, United States

Site Status

University of Maryland Medical System

Baltimore, Maryland, United States

Site Status

Memorial Sloan Kettering

New York, New York, United States

Site Status

The Ohio State University

Columbus, Ohio, United States

Site Status

Oregon Health & Science University/ Knight Cancer Institute

Portland, Oregon, United States

Site Status

Vanderbilt - Ingram Cancer Center

Nashville, Tennessee, United States

Site Status

Houston Methodist Cancer Center

Houston, Texas, United States

Site Status

Royal Brisbane and Womens Hospital

Herston, Queensland, Australia

Site Status

Ashford Cancer Centre

Adelaide, South Australia, Australia

Site Status

Peter MacCallum Cancer Centre

Melbourne, Victoria, Australia

Site Status

Sir Charles Gairdner Hospital

Nedlands, , Australia

Site Status

Cliniques Universitaires Saint-Luc

Brussels, , Belgium

Site Status

AZ Groeninge

Kortrijk, , Belgium

Site Status

Amsterdam UMC, Locatie VUMC

Amsterdam, , Netherlands

Site Status

Universitair Medisch Centrum Groningen

Groningen, , Netherlands

Site Status

National University Cancer Institute

Singapore, , Singapore

Site Status

National Cancer Centre Singapore

Singapore, , Singapore

Site Status

Chungbuk National University Hospital

Cheongju-si, , South Korea

Site Status

Yeungnam University Medical Center

Daegu, , South Korea

Site Status

Gachon University (GCU) - Gil Medical Center (Gil Hospital)

Incheon, , South Korea

Site Status

Seoul National University, Bundang Hospital

Seongnam, , South Korea

Site Status

CHA University - Bundang CHA General Hospital (CHA Bundang Medical Center)

Seongnam-si, , South Korea

Site Status

The Catholic University of Korea - Eunpyeong St. Mary's Hospital

Seoul, , South Korea

Site Status

Seoul National University Hospital (SNUH) - SMG-SNU Boramae Medical Center

Seoul, , South Korea

Site Status

Seoul National University Hospital

Seoul, , South Korea

Site Status

Severance Hospital, Yonsei University Health System

Seoul, , South Korea

Site Status

Samsung Medical Center

Seoul, , South Korea

Site Status

Hospital Universitari Dexeus

Barcelona, Barcelona, Spain

Site Status

Institut Catala d Oncologia (ICO)

Badalona, , Spain

Site Status

Institut Catala dOncologia

L'Hospitalet de Llobregat, , Spain

Site Status

Hospital Universitario Severo Ochoa

Leganés, , Spain

Site Status

Grupo Hospital de Madrid (HM) - Hospital Universitario Madrid Sanchinarro - Cent

Madrid, , Spain

Site Status

Hospital Universitario La Paz

Madrid, , Spain

Site Status

Hospital Regional Universitario de Malaga

Málaga, , Spain

Site Status

Hospital Universitario de Navarra

Pamplona, , Spain

Site Status

The Royal Marsden Hospital - Surrey

London, , United Kingdom

Site Status

University College London Hospital

London, , United Kingdom

Site Status

The Royal Marsden Hospital- London

London, , United Kingdom

Site Status

Countries

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United States Australia Belgium Netherlands Singapore South Korea Spain United Kingdom

Other Identifiers

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KEYNOTE-B88

Identifier Type: OTHER

Identifier Source: secondary_id

MK-3475-B88

Identifier Type: OTHER

Identifier Source: secondary_id

2020-004662-19

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

2023-508342-17-00

Identifier Type: CTIS

Identifier Source: secondary_id

AT148004

Identifier Type: -

Identifier Source: org_study_id

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