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Study identifier: NCT07007559 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

ASPEN-09-03: A Study of Evorpacept in Combination With Trastuzumab and Chemotherapy in Metastatic HER2-Positive Breast Cancer

Condition: Breast Cancer, Metastatic  ·  Sponsor: ALX Oncology Inc.

PhasePhase 2
Planned participants120
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The Substudy Protocol ASPEN-09-03 is a Phase 2, single-arm, multicenter study evaluating the efficacy, safety, and tolerability of evorpacept in combination with trastuzumab and chemotherapy in participants with HER2-positive metastatic breast cancer who have previously received trastuzumab-deruxtecan. This substudy is actively recruiting. ASPEN-09-03 is a substudy under Master Protocol ASPEN-09, and additional substudies are as follows: * Metastatic colorectal cancer (CRC) - dose escalation phase to evaluate evorpacept in combination with other drugs. This substudy is not open. * Recurrent/metastatic head and neck cancer (HNSCC) - dose escalation phase to evaluate evorpacept in combination with other drugs. This substudy is not open.

This description comes directly from the study's public registry record.

Talk to the study team

Cheng Quah, MD  ·  650-466-7125  ·  info@alxoncology.com

Always discuss trial participation with your own doctor first.

Locations (44)

The University of Arizona Cancer Center - North CampusTucson, Arizona, United StatesRecruiting
City of HopeDuarte, California, United StatesRecruiting
UC San Diego Moores Cancer CenterLa Jolla, California, United StatesRecruiting
UC Irvine Health - Chao Family Comprehensive Cancer CenterOrange, California, United StatesRecruiting
Saint Joseph Hospital - Cancer Centers of ColoradoDenver, Colorado, United StatesRecruiting
Lutheran Hospital - Cancer Centers of ColoradoGolden, Colorado, United StatesRecruiting
Saint Mary's Regional Hospital - Cancer Centers of ColoradoGrand Junction, Colorado, United StatesRecruiting
The George Washington Medical facility AssociatesWashington D.C., District of Columbia, United StatesRecruiting
Sylvester Comprehensive Cancer CenterMiami, Florida, United StatesRecruiting
City of Hope ChicagoZion, Illinois, United StatesRecruiting
University of Michigan Rogel Cancer CenterAnn Arbor, Michigan, United StatesRecruiting
HealthPartners Frauenshuh Cancer CenterSaint Louis Park, Minnesota, United StatesRecruiting

+ 32 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT07007559