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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT05382286




Registration number
NCT05382286
Ethics application status
Date submitted
16/05/2022
Date registered
19/05/2022
Date last updated
9/10/2024

Titles & IDs
Public title
Study of Sacituzumab Govitecan-hziy and Pembrolizumab Versus Treatment of Physician's Choice and Pembrolizumab in Patients With Previously Untreated, Locally Advanced Inoperable or Metastatic Triple-Negative Breast Cancer
Scientific title
A Randomized, Open-label, Phase 3 Study of Sacituzumab Govitecan and Pembrolizumab Versus Treatment of Physician's Choice and Pembrolizumab in Patients With Previously Untreated, Locally Advanced Inoperable or Metastatic Triple-Negative Breast Cancer, Whose Tumors Express PD-L1
Secondary ID [1] 0 0
2021-005742-14
Secondary ID [2] 0 0
GS-US-592-6173
Universal Trial Number (UTN)
Trial acronym
ASCENT-04
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Triple Negative Breast Cancer 0 0
PD-L1 Positive 0 0
Condition category
Condition code
Cancer 0 0 0 0
Breast

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - Sacituzumab Govitecan-hziy
Treatment: Drugs - Pembrolizumab
Treatment: Drugs - Paclitaxel
Treatment: Drugs - nab-Paclitaxel
Treatment: Drugs - Gemcitabine
Treatment: Drugs - Carboplatin

Experimental: Sacituzumab Govitecan-hziy (SG) + Pembrolizumab - Participants will receive SG 10 mg/kg on Days 1 and 8 of 21-day cycles and pembrolizumab 200 mg on Day 1 of 21-day cycles

Pembrolizumab will be administered for a maximum of 35 cycles.

Active comparator: Pembrolizumab + Treatment of Physician's Choice (TPC) - Participants will receive pembrolizumab 200 mg on Day 1 of each 21-day cycle (maximum 35 cycles) plus TPC determined prior to randomization from 1 of the 3 allowed regimens:

* Paclitaxel 90 mg/m\^2 on Days 1, 8, and 15 of 28-day cycles
* nab-Paclitaxel 100 mg/m\^2 on Days 1, 8, and 15 of 28-day cycles
* Gemcitabine 1000 mg/m\^2 + carboplatin area under the curve (AUC) 2 on Days 1 and 8 of 21-day cycles


Treatment: Drugs: Sacituzumab Govitecan-hziy
Administered intravenously

Treatment: Drugs: Pembrolizumab
Administered intravenously

Treatment: Drugs: Paclitaxel
Administered intravenously

Treatment: Drugs: nab-Paclitaxel
Administered intravenously

Treatment: Drugs: Gemcitabine
Administered intravenously

Treatment: Drugs: Carboplatin
Administered intravenously

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

Outcomes
Primary outcome [1] 0 0
Progression-free Survival (PFS) as Assessed by Blinded Independent Central Review (BICR) per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1
Timepoint [1] 0 0
Randomization up to approximately 33 months
Secondary outcome [1] 0 0
Overall Survival (OS)
Timepoint [1] 0 0
Randomization up to approximately 53 months
Secondary outcome [2] 0 0
Objective Response Rate (ORR) as Assessed by BICR per RECIST Version 1.1
Timepoint [2] 0 0
Randomization up to approximately 53 months
Secondary outcome [3] 0 0
Duration of Response (DOR) as Assessed by BICR per RECIST Version 1.1
Timepoint [3] 0 0
Randomization up to approximately 53 months
Secondary outcome [4] 0 0
Time to Response (TTR) as Assessed by BICR per RECIST Version 1.1
Timepoint [4] 0 0
Randomization up to approximately 53 months
Secondary outcome [5] 0 0
Percentage of Participants Experiencing Treatment-emergent Adverse Events (TEAEs)
Timepoint [5] 0 0
First dose date up to 53 months plus 30 days
Secondary outcome [6] 0 0
Percentage of Participants Experiencing Clinical Laboratory Abnormalities
Timepoint [6] 0 0
First dose date up to 53 months plus 30 days
Secondary outcome [7] 0 0
Time to Deterioration (TTD) in Global Health Status/Quality of Life (QoL) Scale as Measured by the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire, Core Questionnaire, Version 3.0 (EORTC QLQ-C30)
Timepoint [7] 0 0
Randomization up to approximately 53 months
Secondary outcome [8] 0 0
TTD of Pain Score as Measured by EORTC QLQ-C30
Timepoint [8] 0 0
Randomization up to approximately 53 months
Secondary outcome [9] 0 0
TTD of Fatigue Score as Measured by EORTC QLQ-C30
Timepoint [9] 0 0
Randomization up to approximately 53 months
Secondary outcome [10] 0 0
TTD of Physical Functioning Domain Score as Measured by EORTC QLQ-C30
Timepoint [10] 0 0
Randomization up to approximately 53 months
Secondary outcome [11] 0 0
TTD of Role Functioning Score as Measured by EORTC QLQ-C30
Timepoint [11] 0 0
Randomization up to approximately 53 months

Eligibility
Key inclusion criteria
Key

* Individuals with locally advanced, inoperable, or metastatic triple-negative breast cancer (TNBC) who have not received previous systemic therapy for advanced disease and whose tumors are programmed cell death ligand 1 (PD-L1) positive at screening.

* Individuals must have completed treatment for Stage I to III breast cancer, if indicated, and = 6 months must have elapsed between completion of treatment with curative intent and first documented local or distant disease recurrence.
* Individuals presenting with de novo metastatic TNBC are eligible for this study.
* TNBC status and tumor PD-L1 combined positive score (CPS) will be confirmed centrally on a recent or archival tumor specimen.
* Individuals must have measurable disease by computed tomography (CT) or magnetic resonance imaging (MRI) as per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1 criteria as evaluated locally.
* Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1.
* Demonstrates adequate organ function
* Male and female individuals of childbearing potential who engage in heterosexual intercourse must agree to use protocol-specified method(s) of contraception.
* Individuals with HIV must be on antiretroviral therapy (ART) and have a well-controlled HIV infection/disease.

Key
Minimum age
18 Years
Maximum age
No limit
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
* Positive serum pregnancy test or women who are lactating.
* Received prior therapy with an agent directed to another stimulatory or coinhibitory T-cell receptor.
* Individuals may not have received systemic anticancer treatment (with the exception of endocrine therapy) within the previous 6 months or radiation therapy within 2 weeks prior to enrollment.
* Individuals may not be participating in a study with an investigational agent or investigational device within 4 weeks prior to randomization. Individuals participating in observational studies are eligible.
* Have previously received topoisomerase 1 inhibitors or antibody drug conjugates containing a topoisomerase inhibitor.
* Have an active second malignancy.
* Have active serious infection requiring antibiotics.
* Individuals positive for HIV-1 or 2 with a history of Kaposi sarcoma and/or Multicentric Castleman Disease.
* Have active hepatitis B virus (HBV) or hepatitis C virus (HCV) infection.
* Has an active autoimmune disease that has required systemic treatment in the past 2 years.

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

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 3
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Active, not recruiting
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
NSW,QLD,SA,TAS,VIC,WA
Recruitment hospital [1] 0 0
Border Medical Oncology - Albury
Recruitment hospital [2] 0 0
Saint George Hospital - Australia - Kogarah
Recruitment hospital [3] 0 0
Mater Hospital - North Sydney - North Sydney
Recruitment hospital [4] 0 0
GenesisCare - North Shore - St Leonards
Recruitment hospital [5] 0 0
Mater Misericordiae Limited and Mater Research Limited - South Brisbane
Recruitment hospital [6] 0 0
Princess Alexandra Hospital - Woolloongabba
Recruitment hospital [7] 0 0
Cancer Research SA (CRSA) - Adelaide
Recruitment hospital [8] 0 0
Icon Cancer Centre Hobart - Hobart
Recruitment hospital [9] 0 0
Monash Medical Centre - Clayton
Recruitment hospital [10] 0 0
Austin Hospital - Melbourne
Recruitment hospital [11] 0 0
Peter MacCallum Cancer Centre - Parkville
Recruitment hospital [12] 0 0
Breast Cancer Research Center - Western Australia - Nedlands
Recruitment postcode(s) [1] 0 0
2640 - Albury
Recruitment postcode(s) [2] 0 0
2217 - Kogarah
Recruitment postcode(s) [3] 0 0
2060 - North Sydney
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2065 - St Leonards
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4101 - South Brisbane
Recruitment postcode(s) [6] 0 0
4102 - Woolloongabba
Recruitment postcode(s) [7] 0 0
5000 - Adelaide
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7000 - Hobart
Recruitment postcode(s) [9] 0 0
3168 - Clayton
Recruitment postcode(s) [10] 0 0
3084 - Melbourne
Recruitment postcode(s) [11] 0 0
3050 - Parkville
Recruitment postcode(s) [12] 0 0
6009 - Nedlands
Recruitment outside Australia
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United States of America
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Alaska
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Roma
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Rome
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Leeuwarden
Country [191] 0 0
Netherlands
State/province [191] 0 0
Rotterdam
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State/province [192] 0 0
Gdansk
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Ponce
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State/province [200] 0 0
Hilton
Country [201] 0 0
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State/province [201] 0 0
Johannesburg
Country [202] 0 0
South Africa
State/province [202] 0 0
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Country [203] 0 0
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State/province [203] 0 0
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Spain
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London
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United Kingdom
State/province [237] 0 0
Nottingham

Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
Gilead Sciences
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
The primary objective of this study is to compare the progression-free survival (PFS) between sacituzumab govitecan-hziy (SG) and pembrolizumab versus treatment of physician's choice (TPC) and pembrolizumab in participants with previously untreated, locally advanced inoperable or metastatic triple-negative breast cancer, whose tumors express programmed cell death ligand 1 (PD-L1).
Trial website
https://clinicaltrials.gov/study/NCT05382286
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Gilead Study Director
Address 0 0
Gilead Sciences
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Gilead Clinical Study Information Center
Address 0 0
Country 0 0
Phone 0 0
1-833-445-3230 (GILEAD-0)
Fax 0 0
Email 0 0
Contact person for scientific queries



Summary Results

For IPD and results data, please see https://clinicaltrials.gov/study/NCT05382286