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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/ct2/show/NCT04675294




Registration number
NCT04675294
Ethics application status
Date submitted
15/12/2020
Date registered
19/12/2020
Date last updated
22/03/2024

Titles & IDs
Public title
Evorpacept (ALX148) in Combination With Pembrolizumab in Patients With Advanced Head and Neck Squamous Cell Carcinoma (ASPEN-03)
Scientific title
A Phase 2 Study of ALX148 in Combination With Pembrolizumab in Patients With Advanced Head and Neck Squamous Cell Carcinoma (ASPEN-03)
Secondary ID [1] 0 0
KEYNOTE-B87
Secondary ID [2] 0 0
AT148003
Universal Trial Number (UTN)
Trial acronym
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Head and Neck Cancer 0 0
Head and Neck Squamous Cell Carcinoma 0 0
Condition category
Condition code
Cancer 0 0 0 0
Non melanoma skin cancer
Cancer 0 0 0 0
Kidney
Cancer 0 0 0 0
Head and neck

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - evorpacept
Treatment: Drugs - pembrolizumab

Experimental: evorpacept (ALX148) + pembrolizumab - evorpacept (ALX148) 45 mg/kg IV and pembrolizumab 200 mg IV given every 3 weeks.

Active Comparator: pembrolizumab - pembrolizumab 200 mg IV given every 3 weeks.


Treatment: Drugs: evorpacept
IV Q3W

Treatment: Drugs: pembrolizumab
IV Q3W
Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Objective response rate per RECIST 1.1
Timepoint [1] 0 0
Last randomized patient reaching at least 24 weeks of follow-up
Primary outcome [2] 0 0
12-month overall survival rate
Timepoint [2] 0 0
Last randomized patient reaching 12 months of follow-up
Secondary outcome [1] 0 0
Duration of response
Timepoint [1] 0 0
Up to 36 months
Secondary outcome [2] 0 0
Progression-free survival
Timepoint [2] 0 0
Up to 36 months
Secondary outcome [3] 0 0
Overall survival
Timepoint [3] 0 0
Up to 36 months
Secondary outcome [4] 0 0
Adverse events
Timepoint [4] 0 0
Up to 36 months

Eligibility
Key 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.
Minimum age
18 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
No
Key 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-SIRPa agent.

- Prior treatment with anti-PD-1 or PD-L1.

Study design
Purpose of the study
Treatment
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Parallel
Other design features
Phase
Phase 2
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Recruiting
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
2/04/2021
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
31/12/2025
Actual
Sample size
Target
183
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
NSW,QLD,VIC,WA
Recruitment hospital [1] 0 0
St. Vincent's - Sydney
Recruitment hospital [2] 0 0
Royal Brisbane and Womens Hospital - Brisbane
Recruitment hospital [3] 0 0
Peter MacCallum Cancer Centre - Melbourne
Recruitment hospital [4] 0 0
Sir Charles Gairdner Hospital - Perth
Recruitment postcode(s) [1] 0 0
2146 - Sydney
Recruitment postcode(s) [2] 0 0
4029 - Brisbane
Recruitment postcode(s) [3] 0 0
3051 - Melbourne
Recruitment postcode(s) [4] 0 0
6009 - Perth
Recruitment outside Australia
Country [1] 0 0
United States of America
State/province [1] 0 0
California
Country [2] 0 0
United States of America
State/province [2] 0 0
Florida
Country [3] 0 0
United States of America
State/province [3] 0 0
Georgia
Country [4] 0 0
United States of America
State/province [4] 0 0
Illinois
Country [5] 0 0
United States of America
State/province [5] 0 0
Maryland
Country [6] 0 0
United States of America
State/province [6] 0 0
Massachusetts
Country [7] 0 0
United States of America
State/province [7] 0 0
New Jersey
Country [8] 0 0
United States of America
State/province [8] 0 0
New York
Country [9] 0 0
United States of America
State/province [9] 0 0
Ohio
Country [10] 0 0
United States of America
State/province [10] 0 0
Oregon
Country [11] 0 0
United States of America
State/province [11] 0 0
Tennessee
Country [12] 0 0
United States of America
State/province [12] 0 0
Texas
Country [13] 0 0
Belgium
State/province [13] 0 0
Brussels
Country [14] 0 0
Belgium
State/province [14] 0 0
Kortrijk
Country [15] 0 0
Belgium
State/province [15] 0 0
Leuven
Country [16] 0 0
Canada
State/province [16] 0 0
Ontario
Country [17] 0 0
Korea, Republic of
State/province [17] 0 0
Cheongju
Country [18] 0 0
Korea, Republic of
State/province [18] 0 0
Daegu
Country [19] 0 0
Korea, Republic of
State/province [19] 0 0
Daejeon
Country [20] 0 0
Korea, Republic of
State/province [20] 0 0
Gyeonggi-do
Country [21] 0 0
Korea, Republic of
State/province [21] 0 0
Incheon
Country [22] 0 0
Korea, Republic of
State/province [22] 0 0
Seongnam
Country [23] 0 0
Korea, Republic of
State/province [23] 0 0
Seoul
Country [24] 0 0
Korea, Republic of
State/province [24] 0 0
Suwon
Country [25] 0 0
Korea, Republic of
State/province [25] 0 0
Wonju
Country [26] 0 0
Netherlands
State/province [26] 0 0
Amsterdam
Country [27] 0 0
Netherlands
State/province [27] 0 0
Groningen
Country [28] 0 0
Singapore
State/province [28] 0 0
Singapore
Country [29] 0 0
Spain
State/province [29] 0 0
Barcelona
Country [30] 0 0
Spain
State/province [30] 0 0
Madrid
Country [31] 0 0
Spain
State/province [31] 0 0
Málaga
Country [32] 0 0
Spain
State/province [32] 0 0
Pamplona
Country [33] 0 0
United Kingdom
State/province [33] 0 0
London
Country [34] 0 0
United Kingdom
State/province [34] 0 0
Sutton

Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
Name
ALX Oncology Inc.
Address
Country
Other collaborator category [1] 0 0
Commercial sector/Industry
Name [1] 0 0
Merck Sharp & Dohme LLC
Address [1] 0 0
Country [1] 0 0

Ethics approval
Ethics application status

Summary
Brief summary
A Phase 2 Study of evorpacept (ALX148) in Combination With pembrolizumab in Patients With
Advanced Head and Neck Squamous Cell Carcinoma.
Trial website
https://clinicaltrials.gov/ct2/show/NCT04675294
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Harry Liu, MD, MPH, MBA
Address 0 0
Country 0 0
Phone 0 0
1 650.502.4697
Fax 0 0
Email 0 0
info@alxoncology.com
Contact person for scientific queries



Summary Results

For IPD and results data, please see https://clinicaltrials.gov/ct2/show/NCT04675294