Trial Outcomes & Findings for SV-BR-1-GM in Metastatic or Locally Recurrent Breast Cancer (NCT NCT03066947)

NCT ID: NCT03066947

Last Updated: 2021-01-29

Results Overview

To evaluate the number of patients with toxicity events while on SV-BR-1-GM, as defined by the Common Terminology Criteria for Adverse Events (CTCAE)

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

24 participants

Primary outcome timeframe

Through study completion, an average of 1 year

Results posted on

2021-01-29

Participant Flow

Participant milestones

Participant milestones
Measure
SV-BR-1-GM Monotherapy
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
Overall Study
STARTED
24
Overall Study
COMPLETED
14
Overall Study
NOT COMPLETED
10

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

SV-BR-1-GM in Metastatic or Locally Recurrent Breast Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
SV-BR-1-GM Monotherapy
n=24 Participants
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
19 Participants
n=5 Participants
Age, Categorical
>=65 years
5 Participants
n=5 Participants
Sex: Female, Male
Female
24 Participants
n=5 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
22 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=5 Participants
Race (NIH/OMB)
White
22 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Region of Enrollment
United States
24 participants
n=5 Participants

PRIMARY outcome

Timeframe: Through study completion, an average of 1 year

Population: All patients

To evaluate the number of patients with toxicity events while on SV-BR-1-GM, as defined by the Common Terminology Criteria for Adverse Events (CTCAE)

Outcome measures

Outcome measures
Measure
SV-BR-1-GM Monotherapy
n=24 Participants
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Patients with Adverse Events
24 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Erythema injection site
11 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Pruritis injection site
8 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Induration injection site
7 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Fatigue
6 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Nausea
6 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Constipation
5 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Abdominal pain
4 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Flu like symptoms
4 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Diarrhea
3 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
GGTP increased
3 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Injection site reaction
3 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Urinary Tract Infection
3 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Vomiting
3 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Abdominal distension
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Alkaline Phosphatase Increased
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
ALT Increased
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Anorexia
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
AST Increased
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Back Pain
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Chills
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Decreased appetite
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Dehydration
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Dizziness
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Erythema Multiforme
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Glucose increased
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Hematocrit Decreased
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Hypercalcemia
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Lymphocytes Decreased
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Myalgia
2 Participants
Number of Patients With Treatment Emergent Adverse Events Occurring in Two or More Patients [Safety]
Pleural Effusion
2 Participants

SECONDARY outcome

Timeframe: Through study completion, an average of 1 year

To evaluate the duration of toxicity events while on SV-BR-1-GM, as defined by CTCAE

Outcome measures

Outcome measures
Measure
SV-BR-1-GM Monotherapy
n=24 Participants
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
Duration of Treatment Emergent Adverse Events [Safety]
8 Days
Interval 0.0 to 422.0

SECONDARY outcome

Timeframe: Through study completion, an average of 1 year

Population: Number with related adverse events

To evaluate the number of participants with an adverse event related to SV-BR-1-GM administration, as defined by CTCAE

Outcome measures

Outcome measures
Measure
SV-BR-1-GM Monotherapy
n=24 Participants
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
Number of Participants With an Adverse Event Related to SV-BR-1-GM Administration [Safety]
23 Participants

SECONDARY outcome

Timeframe: Through study completion, an average of 1 year

Objective response rate (ORR), defined as complete response (CR) or partial response (PR) per response evaluation criteria in solid tumors (RECIST) and immune-related RECIST (iRECIST) criteria.

Outcome measures

Outcome measures
Measure
SV-BR-1-GM Monotherapy
n=24 Participants
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
Objective Tumor Response Rate
0 Participants

SECONDARY outcome

Timeframe: Through study completion, an average of 1 year

Non-progressive rate, defined as CR, PR or stable disease (SD) per RECIST and iRECIST criteria

Outcome measures

Outcome measures
Measure
SV-BR-1-GM Monotherapy
n=24 Participants
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
Rate of Non-progression of Tumors
4 Participants

SECONDARY outcome

Timeframe: Through study completion, an average of 1 year

Durability of response, as defined as complete response (disappearance of all tumors), partial response (30% or greater reduction in the sum of diameters of target lesions (tumors) with stable disease in non-target lesions) or stable disease (less than 20% increase in the sum of diameters of target lesions with no new lesions appearing) by evaluating those patients eligible to complete the optional treatments from 9-12 months

Outcome measures

Outcome measures
Measure
SV-BR-1-GM Monotherapy
n=24 Participants
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
Durability of Tumor Response
105.5 days
Interval 79.0 to 197.0

OTHER_PRE_SPECIFIED outcome

Timeframe: Through study completion, an average of 1 year

To assess immune responses to SV-BR-1-GM, and to recall antigens, if any, as measured by DTH skin tests and/or other immunological tests

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Through study completion, an average of 1 year

To measure the quality of life (QOL) of participants using the SF-36 Health Survey, which includes measures of General Health, Limitations of Activity, Physical Health Problems, Emotional Health Problems, Social Activities, Energy and Emotions.

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Through study completion, an average of 1 year

To measure changes in weight.

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Through study completion, an average of 1 year

To measure changes in performance status using the Eastern Cooperative Oncology Group (ECOG) scale

Outcome measures

Outcome data not reported

OTHER_PRE_SPECIFIED outcome

Timeframe: Through study completion, an average of 1 year

To measure changes in pain using a scale from None to Very Mild to Mild to Moderate to Severe to Very Severe

Outcome measures

Outcome data not reported

Adverse Events

SV-BR-1-GM Monotherapy

Serious events: 8 serious events
Other events: 24 other events
Deaths: 3 deaths

Serious adverse events

Serious adverse events
Measure
SV-BR-1-GM Monotherapy
n=24 participants at risk
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
Respiratory, thoracic and mediastinal disorders
Respiratory Failure
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Cardiac disorders
Restrictive Cardiomyopathy
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Metabolism and nutrition disorders
Dehydration
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Infections and infestations
Sepsis
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Infections and infestations
Urinary Tract Infection
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Gastrointestinal disorders
GERD
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Cardiac disorders
Palpitations
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Metabolism and nutrition disorders
Hyponatremia
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
General disorders
Fever
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Musculoskeletal and connective tissue disorders
Bone Pain
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Infections and infestations
Influenza A
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Metabolism and nutrition disorders
Worsening of Hypercalcemia
4.2%
1/24 • Number of events 1 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity

Other adverse events

Other adverse events
Measure
SV-BR-1-GM Monotherapy
n=24 participants at risk
Pretreatment with low dose cyclophosphamide 2-3 days prior to SV-BR-1-GM inoculation; SV-BR-1-GM inoculation intradermally in 4 sites on the upper back (x2) and thighs (x2); Post-inoculation low dose Interferon-alpha-2b into the vaccination sites \~2 and \~4 days after SV-BR-1-GM inoculation SV-BR-1-GM: See above Cyclophosphamide: Low dose pre-treatment to reduce regulatory T cells Interferon-alpha-2b: Low dose given in the vaccine site to boost the immune response
General disorders
Erythema, injection site
45.8%
11/24 • Number of events 42 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
General disorders
Pruritis, injection site
33.3%
8/24 • Number of events 14 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
General disorders
Induration, injection site
29.2%
7/24 • Number of events 31 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
General disorders
Fatigue
25.0%
6/24 • Number of events 8 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Gastrointestinal disorders
Nausea
25.0%
6/24 • Number of events 8 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Gastrointestinal disorders
Constipation
20.8%
5/24 • Number of events 5 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Gastrointestinal disorders
Abdominal pain
16.7%
4/24 • Number of events 5 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
General disorders
Flu like symptoms
16.7%
4/24 • Number of events 5 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Gastrointestinal disorders
Diarrhea
12.5%
3/24 • Number of events 5 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Investigations
GGTP increased
12.5%
3/24 • Number of events 5 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
General disorders
Injection site reaction
12.5%
3/24 • Number of events 3 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Infections and infestations
Urinary Tract Infection
12.5%
3/24 • Number of events 3 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Gastrointestinal disorders
Vomiting
12.5%
3/24 • Number of events 3 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Gastrointestinal disorders
Abdominal distension
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Investigations
Alkaline Phosphatase Increased
8.3%
2/24 • Number of events 4 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Investigations
ALT Increased
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Metabolism and nutrition disorders
Anorexia
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Investigations
AST Increased
8.3%
2/24 • Number of events 4 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Musculoskeletal and connective tissue disorders
Back Pain
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
General disorders
Chills
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Metabolism and nutrition disorders
Decreased appetite
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Metabolism and nutrition disorders
Dehydration
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Nervous system disorders
Dizziness
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Skin and subcutaneous tissue disorders
Erythema Multiforme
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Investigations
Glucose increased
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Investigations
Hematocrit Decreased
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Metabolism and nutrition disorders
Hypercalcemia
8.3%
2/24 • Number of events 4 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Investigations
Lymphocytes Decreased
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Musculoskeletal and connective tissue disorders
Myalgia
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity
Respiratory, thoracic and mediastinal disorders
Pleural Effusion
8.3%
2/24 • Number of events 2 • up to 1 year
Used CTCAE V4.03 to determine adverse event intensity

Additional Information

Dr. William Williams

BriaCell Therapeutics Corporation

Phone: 1-888-485-6340

Results disclosure agreements

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