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Trial ยท NCT04296942

BN-Brachyury, Entinostat, Adotrastuzumab Emtansine and M7824 in Advanced Stage Breast Cancer (BrEAsT)

NCT04296942, Phase 1, Terminated, National Cancer Institute (NCI); results first posted 2022-01-11

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. BN-Brachyury, Entinostat, Adotrastuzumab Emtansine and M7824 in Advanced Stage Breast Cancer (BrEAsT). Trials, record NCT04296942. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04296942

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
BN-Brachyury, Entinostat, Adotrastuzumab Emtansine and M7824 in Advanced Stage Breast Cancer (BrEAsT)
NCT number
NCT04296942
Status
Terminated
Phases
Phase 1
Enrollment
1 participants, actual
Lead sponsor
National Cancer Institute (NCI)
Conditions
Breast Cancer, Triple Negative Breast Cancer, HER2+ Breast Cancer, Hormone Receptor Negative Breast Cancer, Metastatic Breast Cancer
Interventions
Brachyury-TRICOM, Entinostat, M7824, Ado-trastuzumab emtansine
First posted
2020-03-05
Last updated
2022-01-11
Results first posted
2022-01-11

Source ClinicalTrials.gov

Registered outcomes8

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryOverall Response (Partial Response + Complete Response) for Participants With Triple Negative Breast Cancer (TNBC)From start of treatment until disease progression/recurrence, approximately 5 months and 17 days.
Overall response is defined as the best response (Partial Response + Complete Response) recorded from the start of treatment until disease progression/recurrence assessed by the Response Evaluation Criteria in Solid Tumors (RECIST)v1.1. Complete response is disappearance of all target lesions. Partial response is at least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum of diameters. Progression is at least a 20% increase in the sum of diameters of target lesions. appearance of new lesions. Appearance of one or more new lesions.
PrimaryOverall Response (Partial Response + Complete Response) for Participants With Human Epidermal Growth Factor Receptor 2 (HER2) + Breast Cancer (BC)From start of treatment until disease progression/recurrence, approximately 5 months and 17 days.
Overall response is defined as the best response (Partial Response + Complete Response) recorded from the start of treatment until disease progression/recurrence. Response was assessed by the Response Evaluation Criteria in Solid Tumors (RECIST)v1.1. Complete response is disappearance of all target lesions. Partial response is at least a 30% decrease in the sum of the diameters of target lesions, taking as reference the baseline sum of diameters. Progression is at least a 20% increase in the sum of diameters of target lesions. appearance of new lesions. Appearance of one or more new lesions.
PrimaryNumber of Participants Experiencing at Least One Grade 3 to 5 Adverse Events for Each of the Three Combinations of AgentsDate treatment consent signed to date off study, approximately 5 months and 17 days.Adverse events were recorded using the Common Terminology Criteria for Adverse Events (CTCAE) v5.0. Grade 3 is severe, Grade 4 is life-threatening, and Grade 5 is death related to adverse event.
SecondaryProgression-free Survival (PFS) in Triple Negative Breast Cancer (TNBC)From start of treatment to time of progression or death, whichever occurs first, approximately 5 months and 17 days.
Progression free survival is defined as the duration of time from start of treatment to time of progression or death, whichever occurs first. In the absence of progression or death, PFS is censored at the date of last disease evaluation. Progression was assessed by the Response Evaluation Criteria in Solid Tumors (RECIST)v1.1 and is defined as at least a 20% increase in the sum of diameters of target lesions. appearance of new lesions. Appearance of one or more new lesions.
Secondary
Progression Free Survival (PFS) in Participants With Metastatic Hormone Receptor (HR)-/Human Epidermal Growth Factor Receptor 2 (HER2) + Metastatic Breast Cancer Who Progressed on Initial Treatment With THP
From start of treatment to time of progression or death, whichever occurs first, approximately 5 months and 17 days.
Progression free survival is defined as the duration of time from start of treatment to time of progression or death, whichever occurs first. In the absence of progression or death, PFS is censored at the date of last disease evaluation. Progression was assessed by the Response Evaluation Criteria in Solid Tumors (RECIST)v1.1 and is defined as at least a 20% increase in the sum of diameters of target lesions. appearance of new lesions. Appearance of one or more new lesions.
SecondaryProgression Free Survival (PFS) in Participants With Metastatic Human Epidermal Growth Factor Receptor 2 (HER2+) Metastatic Breast Cancer Who Progressed on Initial Treatment With Docetaxel (THP)From start of treatment to time of progression or death, whichever occurs first, approximately 5 months and 17 days.
Progression free survival is defined as the duration of time from start of treatment to time of progression or death, whichever occurs first. In the absence of progression or death, PFS is censored at the date of last disease evaluation. Progression was assessed by the Response Evaluation Criteria in Solid Tumors (RECIST)v1.1 and is defined as at least a 20% increase in the sum of diameters of target lesions. appearance of new lesions. Appearance of one or more new lesions.
SecondaryAbsolute Percentage of Stromal Tumor Infiltrating Lymphocytes (TILs) in Metastatic Deposits in Participants With Metastatic Human Epidermal Growth Factor Receptor 2 (HER2+) Metastatic Breast CancerBaseline and on Cycle 3 Day 1
The absolute percentage of stromal TILs was measured by the Salgado method in metastatic deposits in participants with metastatic HER2+ metastatic breast cancer. The Salgado method is a standardized approach for measuring the percentage of stromal TILs in primary breast tumor specimens before therapy, using visual assessment of standard hematoxylin and eosin (H\&E)-stained sections.
OtherNumber of Participants With Serious and Non-serious Adverse Events Assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0)Date treatment consent signed to date off study, approximately 5 months and 17 days.
Here is the number of participants with serious and non-serious adverse events assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0). A non-serious adverse event is any untoward medical occurrence. A serious adverse event is an adverse event or suspected adverse reaction that results in death, a life-threatening adverse drug experience, hospitalization, disruption of the ability to conduct normal life functions, congenital anomaly/birth defect or important medical events that jeopardize the patient or subject and may require medical or surgical intervention to prevent one of the previous outcomes mentioned.

Outcomes8

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYOverall Response (Partial Response + Complete Response) for Participants With Triple Negative Breast Cancer (TNBC)From start of treatment until disease progression/recurrence, approximately 5 months and 17 days.This outcome measure pertains to Arm 1 TNBC participants only.ParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYOverall Response (Partial Response + Complete Response) for Participants With Human Epidermal Growth Factor Receptor 2 (HER2) + Breast Cancer (BC)From start of treatment until disease progression/recurrence, approximately 5 months and 17 days.
This outcome measure pertains to Arm 2 and 3 only. Overall response in the HER2+ breast cancer cohort was not assessed as the study closed to accrual and no participants with HER2+ breast cancer was accrued.
PRIMARYNumber of Participants Experiencing at Least One Grade 3 to 5 Adverse Events for Each of the Three Combinations of AgentsDate treatment consent signed to date off study, approximately 5 months and 17 days.No participants were enrolled in group 2 and 3 due to study closure by the sponsor.ParticipantsCOUNT_OF_PARTICIPANTS
SECONDARYProgression-free Survival (PFS) in Triple Negative Breast Cancer (TNBC)From start of treatment to time of progression or death, whichever occurs first, approximately 5 months and 17 days.This outcome measure pertains to Arm 1 TNBC participants only.DaysNUMBER
SECONDARY
Progression Free Survival (PFS) in Participants With Metastatic Hormone Receptor (HR)-/Human Epidermal Growth Factor Receptor 2 (HER2) + Metastatic Breast Cancer Who Progressed on Initial Treatment With THP
From start of treatment to time of progression or death, whichever occurs first, approximately 5 months and 17 days.This outcome measure pertains to Arm 2 and 3 only. PFS in the HER2+ breast cancer cohort was not assessed as the study closed to accrual and no participants with HER2+ breast cancer was accrued.
SECONDARYProgression Free Survival (PFS) in Participants With Metastatic Human Epidermal Growth Factor Receptor 2 (HER2+) Metastatic Breast Cancer Who Progressed on Initial Treatment With Docetaxel (THP)From start of treatment to time of progression or death, whichever occurs first, approximately 5 months and 17 days.This outcome measure pertains to Arm 2 and 3 only. PFS in the HER2+ breast cancer cohort was not assessed as the study closed to accrual and no participants with HER2+ breast cancer was accrued.
SECONDARYAbsolute Percentage of Stromal Tumor Infiltrating Lymphocytes (TILs) in Metastatic Deposits in Participants With Metastatic Human Epidermal Growth Factor Receptor 2 (HER2+) Metastatic Breast CancerBaseline and on Cycle 3 Day 1This outcome measure pertains to Arm 2 and 3 only. No participants with HER2+ metastatic breast cancer was accrued and thus outcome measure is not possible to determine.
OTHER_PRE_SPECIFIEDNumber of Participants With Serious and Non-serious Adverse Events Assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0)Date treatment consent signed to date off study, approximately 5 months and 17 days.No participants were enrolled in group 2 and 3 due to study closure by the sponsor.ParticipantsCOUNT_OF_PARTICIPANTS

Results by group8

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Overall Response (Partial Response + Complete Response) for Participants With Triple Negative Breast Cancer (TNBC)1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-BrachyuryComplete Response0Participants
Overall Response (Partial Response + Complete Response) for Participants With Triple Negative Breast Cancer (TNBC)1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-BrachyuryPartial Response0Participants
Overall Response (Partial Response + Complete Response) for Participants With Triple Negative Breast Cancer (TNBC)1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-BrachyuryProgressive Disease1Participants
Number of Participants Experiencing at Least One Grade 3 to 5 Adverse Events for Each of the Three Combinations of Agents1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-BrachyuryGrade 30Participants
Number of Participants Experiencing at Least One Grade 3 to 5 Adverse Events for Each of the Three Combinations of Agents1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-BrachyuryGrade 40Participants
Number of Participants Experiencing at Least One Grade 3 to 5 Adverse Events for Each of the Three Combinations of Agents1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-BrachyuryGrade 50Participants
Progression-free Survival (PFS) in Triple Negative Breast Cancer (TNBC)1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury63Days
Number of Participants With Serious and Non-serious Adverse Events Assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0)1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury1Participants

Participant flow9

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTED1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury1
Overall StudySTARTED2/M7824 + BN-Brachyury + Ado-trastuzumab Emtansine (T-DM1)0
Overall StudySTARTED3/M7824 + BN-Brachyury + T-DM1 + Entinostat0
Overall StudyCOMPLETED1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury0
Overall StudyCOMPLETED2/M7824 + BN-Brachyury + Ado-trastuzumab Emtansine (T-DM1)0
Overall StudyCOMPLETED3/M7824 + BN-Brachyury + T-DM1 + Entinostat0
Overall StudyNOT COMPLETED1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury1
Overall StudyNOT COMPLETED2/M7824 + BN-Brachyury + Ado-trastuzumab Emtansine (T-DM1)0
Overall StudyNOT COMPLETED3/M7824 + BN-Brachyury + T-DM1 + Entinostat0

Adverse events36

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherAbdominal painGastrointestinal disorders1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury111
otherAbdominal painGastrointestinal disorders2/M7824 + BN-Brachyury + Ado-trastuzumab Emtansine (T-DM1)000
otherAbdominal painGastrointestinal disorders3/M7824 + BN-Brachyury + T-DM1 + Entinostat000
otherAnemiaBlood and lymphatic system disorders1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury111
otherAnemiaBlood and lymphatic system disorders2/M7824 + BN-Brachyury + Ado-trastuzumab Emtansine (T-DM1)000
otherAnemiaBlood and lymphatic system disorders3/M7824 + BN-Brachyury + T-DM1 + Entinostat000
otherConstipationGastrointestinal disorders1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury111
otherConstipationGastrointestinal disorders2/M7824 + BN-Brachyury + Ado-trastuzumab Emtansine (T-DM1)000
otherConstipationGastrointestinal disorders3/M7824 + BN-Brachyury + T-DM1 + Entinostat000
otherFatigueGeneral disorders1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury112

Adverse event totals9

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortality1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury11
Total, all-cause mortality2/M7824 + BN-Brachyury + Ado-trastuzumab Emtansine (T-DM1)00
Total, all-cause mortality3/M7824 + BN-Brachyury + T-DM1 + Entinostat00
Total, other adverse events1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury11
Total, other adverse events2/M7824 + BN-Brachyury + Ado-trastuzumab Emtansine (T-DM1)00
Total, other adverse events3/M7824 + BN-Brachyury + T-DM1 + Entinostat00
Total, serious adverse events1/M7824 (Bintrafusp Alfa) + Bavarian Nordic (BN)-Brachyury01
Total, serious adverse events2/M7824 + BN-Brachyury + Ado-trastuzumab Emtansine (T-DM1)00
Total, serious adverse events3/M7824 + BN-Brachyury + T-DM1 + Entinostat00

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT04296942

GET https://conductscience.org/api/trials/v1/NCT04296942/events?page=2