Trial Outcomes & Findings for Abraxane® With or Without Mifepristone for Advanced, Glucocorticoid Receptor-Positive, Triple-Negative Breast Cancer (NCT NCT02788981)

NCT ID: NCT02788981

Last Updated: 2025-06-10

Results Overview

Measured using the RECIST guideline v1.1

Recruitment status

ACTIVE_NOT_RECRUITING

Study phase

PHASE2

Target enrollment

29 participants

Primary outcome timeframe

12 months

Results posted on

2025-06-10

Participant Flow

Participant milestones

Participant milestones
Measure
Nab-Paclitaxel+Mifepristone
Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Mifepristone: Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Nab-Paclitaxel+Placebo
Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Placebo: Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Overall Study
STARTED
13
16
Overall Study
COMPLETED
13
15
Overall Study
NOT COMPLETED
0
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Nab-Paclitaxel+Mifepristone
Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Mifepristone: Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Nab-Paclitaxel+Placebo
Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Placebo: Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Overall Study
Patient chose to pursue alternative treatment
0
1

Baseline Characteristics

Abraxane® With or Without Mifepristone for Advanced, Glucocorticoid Receptor-Positive, Triple-Negative Breast Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Nab-Paclitaxel+Mifepristone
n=13 Participants
Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Mifepristone: Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Nab-Paclitaxel+Placebo
n=16 Participants
Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Placebo: Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Total
n=29 Participants
Total of all reporting groups
Age, Continuous
57 years
STANDARD_DEVIATION 13 • n=99 Participants
49 years
STANDARD_DEVIATION 10 • n=107 Participants
53 years
STANDARD_DEVIATION 12 • n=206 Participants
Sex: Female, Male
Female
13 Participants
n=99 Participants
16 Participants
n=107 Participants
29 Participants
n=206 Participants
Sex: Female, Male
Male
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Asian
1 Participants
n=99 Participants
0 Participants
n=107 Participants
1 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
6 Participants
n=99 Participants
5 Participants
n=107 Participants
11 Participants
n=206 Participants
Race (NIH/OMB)
White
5 Participants
n=99 Participants
9 Participants
n=107 Participants
14 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=99 Participants
2 Participants
n=107 Participants
3 Participants
n=206 Participants
Region of Enrollment
United States
13 participants
n=99 Participants
16 participants
n=107 Participants
29 participants
n=206 Participants

PRIMARY outcome

Timeframe: 12 months

Measured using the RECIST guideline v1.1

Outcome measures

Outcome measures
Measure
Nab-Paclitaxel+Mifepristone
n=13 Participants
Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Mifepristone: Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Nab-Paclitaxel+Placebo
n=13 Participants
Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Placebo: Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Progression-free Survival (PFS)
3.0 months
Interval 1.0 to 5.0
3.0 months
Interval 1.0 to 6.0

SECONDARY outcome

Timeframe: 12 months

Population: Data on glucocorticoid receptor positivity was not collected.

Compare the response rate in GR positivity between the placebo and mifepristone groups using the RECIST guideline v1.1

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 12 months

Measured using the RECIST guideline v1.1

Outcome measures

Outcome measures
Measure
Nab-Paclitaxel+Mifepristone
n=13 Participants
Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Mifepristone: Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Nab-Paclitaxel+Placebo
n=13 Participants
Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Placebo: Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Response Rate
Responder
3 Participants
5 Participants
Response Rate
Non-Responder
10 Participants
8 Participants

SECONDARY outcome

Timeframe: 24 months

Collected from date of randomization until death

Outcome measures

Outcome measures
Measure
Nab-Paclitaxel+Mifepristone
n=13 Participants
Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Mifepristone: Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Nab-Paclitaxel+Placebo
n=14 Participants
Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Placebo: Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Overall Survival
9.0 months
Interval 6.0 to 28.0
6.0 months
Interval 2.0 to 15.0

Adverse Events

Nab-Paclitaxel+Mifepristone

Serious events: 2 serious events
Other events: 13 other events
Deaths: 12 deaths

Nab-Paclitaxel+Placebo

Serious events: 0 serious events
Other events: 12 other events
Deaths: 14 deaths

Serious adverse events

Serious adverse events
Measure
Nab-Paclitaxel+Mifepristone
n=13 participants at risk
Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Mifepristone: Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Nab-Paclitaxel+Placebo
n=15 participants at risk
Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Placebo: Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
General disorders
Fatigue
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Blood and lymphatic system disorders
Anemia
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Metabolism and nutrition disorders
Dehydration
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Metabolism and nutrition disorders
Hypokalemia
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Metabolism and nutrition disorders
Hypocalcemia
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Metabolism and nutrition disorders
Hypophosphatemia
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study

Other adverse events

Other adverse events
Measure
Nab-Paclitaxel+Mifepristone
n=13 participants at risk
Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Mifepristone: Patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Nab-Paclitaxel+Placebo
n=15 participants at risk
Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) Placebo: Patients will receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Nab-Paclitaxel: Patients will either receive placebo and nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle) or patients will receive mifepristone 300 mg daily on the day prior to and day of each dose of nab-paclitaxel (100 mg/m2 on days 1, 8 and 15 of each 28 day cycle). Patients will receive mifepristone and nab-paclitaxel, or placebo and nab-paclitaxel. Not all three.
Gastrointestinal disorders
Nausea
15.4%
2/13 • 24 months or until the subject is off study
26.7%
4/15 • 24 months or until the subject is off study
Gastrointestinal disorders
Constipation
15.4%
2/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Gastrointestinal disorders
Diarrhea
30.8%
4/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Gastrointestinal disorders
Vomiting
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Metabolism and nutrition disorders
Anorexia
38.5%
5/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Blood and lymphatic system disorders
Anemia
23.1%
3/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Respiratory, thoracic and mediastinal disorders
Sore throat
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Metabolism and nutrition disorders
Hyperglycemia
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Nervous system disorders
Headache
15.4%
2/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Skin and subcutaneous tissue disorders
Alopecia
46.2%
6/13 • 24 months or until the subject is off study
46.7%
7/15 • 24 months or until the subject is off study
Psychiatric disorders
Insomnia
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Nervous system disorders
Neuropathy
61.5%
8/13 • 24 months or until the subject is off study
33.3%
5/15 • 24 months or until the subject is off study
Respiratory, thoracic and mediastinal disorders
Cough
23.1%
3/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Respiratory, thoracic and mediastinal disorders
Epistaxis
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
General disorders
Fever
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
General disorders
Fatigue
53.8%
7/13 • 24 months or until the subject is off study
66.7%
10/15 • 24 months or until the subject is off study
Skin and subcutaneous tissue disorders
Nail discoloration
23.1%
3/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
General disorders
Neck stiffness
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Gastrointestinal disorders
abdominal pain
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
General disorders
Flu like symptoms
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
General disorders
Peripheral edema
7.7%
1/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Skin and subcutaneous tissue disorders
Dry skin
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Vascular disorders
Hot flashes
7.7%
1/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Metabolism and nutrition disorders
Hypomagnesemia
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Renal and urinary disorders
Bladder spasms
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Musculoskeletal and connective tissue disorders
Back pain
0.00%
0/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Respiratory, thoracic and mediastinal disorders
Dyspnea
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Skin and subcutaneous tissue disorders
Pruritus
0.00%
0/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Eye disorders
Ocular edema
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Investigations
Bilirubinemia
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
General disorders
Non-cardiac chest pains
15.4%
2/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Musculoskeletal and connective tissue disorders
Arthralgia
7.7%
1/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Skin and subcutaneous tissue disorders
Rash
23.1%
3/13 • 24 months or until the subject is off study
13.3%
2/15 • 24 months or until the subject is off study
Musculoskeletal and connective tissue disorders
Extremity pain
7.7%
1/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Gastrointestinal disorders
Mucositis
15.4%
2/13 • 24 months or until the subject is off study
0.00%
0/15 • 24 months or until the subject is off study
Nervous system disorders
Dysgeusia
46.2%
6/13 • 24 months or until the subject is off study
13.3%
2/15 • 24 months or until the subject is off study
Blood and lymphatic system disorders
Febrile neutropenia
23.1%
3/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Investigations
Neutropenia
46.2%
6/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study
Investigations
Transaminitis
7.7%
1/13 • 24 months or until the subject is off study
13.3%
2/15 • 24 months or until the subject is off study
Investigations
Thrombocytopenia
7.7%
1/13 • 24 months or until the subject is off study
6.7%
1/15 • 24 months or until the subject is off study

Additional Information

Dr. Nan Chen

University of Chicago

Phone: 773-702-6149

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place