Trial Outcomes & Findings for ONTAK® in Treating Patients With Advanced Breast Cancer That Did Not Respond to Previous Treatment (NCT NCT00425672)

NCT ID: NCT00425672

Last Updated: 2018-12-05

Results Overview

Subjects are monitored for the development of end organ damage by assessing adverse events with serum chemistries, liver function studies, serum albumin, complete blood counts, symptom assessment, and physical exams performed at every cycle until 3 weeks after the final dose of ONTAK. All adverse events for all systems are graded on a scale of 1-5 using CTCAE v3.0.

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

15 participants

Primary outcome timeframe

7 Days after last dose of ONTAK

Results posted on

2018-12-05

Participant Flow

Participant milestones

Participant milestones
Measure
ONTAK
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Overall Study
STARTED
15
Overall Study
COMPLETED
14
Overall Study
NOT COMPLETED
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

ONTAK® in Treating Patients With Advanced Breast Cancer That Did Not Respond to Previous Treatment

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Arm I
n=15 Participants
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Age, Categorical
<=18 years
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
13 Participants
n=5 Participants
Age, Categorical
>=65 years
2 Participants
n=5 Participants
Sex: Female, Male
Female
15 Participants
n=5 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
14 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 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
1 Participants
n=5 Participants
Race (NIH/OMB)
White
13 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
15 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 7 Days after last dose of ONTAK

Subjects are monitored for the development of end organ damage by assessing adverse events with serum chemistries, liver function studies, serum albumin, complete blood counts, symptom assessment, and physical exams performed at every cycle until 3 weeks after the final dose of ONTAK. All adverse events for all systems are graded on a scale of 1-5 using CTCAE v3.0.

Outcome measures

Outcome measures
Measure
Arm I
n=15 Participants
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Safety Evaluated by Collecting Study Related Toxicity as Assessed by CTCAE v3.0
15 Participants

PRIMARY outcome

Timeframe: 21 days after cycle 6

Population: 14 patients equals patients that had repeat blood draws taken but did not complete the treatment except for 4 patients who completed the study

The efficacy of ONTAK in depleting Tregs will be defined as a decrease in peripheral blood Tregs by 25% of each individual subject's baseline. All subjects will undergo blood draws at baseline and post ONTAK infusions at designated time points. Tregs from the peripheral blood will be quantitated using flow cytometry.

Outcome measures

Outcome measures
Measure
Arm I
n=14 Participants
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Efficacy of ONTAK in Depleting T-regulatory Cells as a Decrease in Peripheral Blood Tregs Using Flow Cytometry
4 Participants

SECONDARY outcome

Timeframe: 21 days after cycle 6

The incidence of IL-2 expression and its receptor complex, IL-2R in tumor samples will be evaluated by IHC analysis. Tumor sections will be interpreted as either positive or negative.

Outcome measures

Outcome measures
Measure
Arm I
n=14 Participants
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Incidence of Interleukin-2 (IL-2) and IL-2 Receptor (IL-2R) Expression in Tumor Samples by Immunohistochemical (IHC) Analysis
YES
8 Participants
Incidence of Interleukin-2 (IL-2) and IL-2 Receptor (IL-2R) Expression in Tumor Samples by Immunohistochemical (IHC) Analysis
NO
6 Participants

SECONDARY outcome

Timeframe: 21 days after cycle 6

Population: 4/14 patients had peripheral blood available before and after ONTAK treatment.

Evaluate levels of circulating sIL-2R (pg/ml) in the peripheral blood assessed before and after ONTAK therapy. Changes from baseline will be tabulated.

Outcome measures

Outcome measures
Measure
Arm I
n=14 Participants
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Presence of Circulating sIL-2R in the Peripheral Blood
Pre ONTAK Treatment
4.8 pg/ml
Interval 1.3 to 673.0
Presence of Circulating sIL-2R in the Peripheral Blood
6 Weeks Post ONTAK Treatment
8.1 pg/ml
Interval 3.0 to 360.5
Presence of Circulating sIL-2R in the Peripheral Blood
12-16 Weeks Post ONTAK Treatment
34.8 pg/ml
Interval 3.4 to 58.1
Presence of Circulating sIL-2R in the Peripheral Blood
18-23 Weeks Post ONTAK Treatment
17.7 pg/ml
Interval 2.7 to 282.5

SECONDARY outcome

Timeframe: 21 days after cycle 6

Evaluate the effect of ONTAK on endogenous tumor specific immunity

Outcome measures

Outcome measures
Measure
Arm I
n=14 Participants
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Presence of Endogenous Tumor-specific Immunity
10 Participants

SECONDARY outcome

Timeframe: 21 days after cycle 6

Anti-tumor effects of ONTAK will be determined by evaluating tumor response and progression per RECIST. An objective response to ONTAK will be defined as achieving a CR or PR. Analysis of the data will include determination of complete (CR) and partial response (PR) rates, as well as stable (SD) and progressive disease (PD).

Outcome measures

Outcome measures
Measure
Arm I
n=15 Participants
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Anti-tumor Effects of ONTAK Determined by Tumor Response and Progression
Complete Response (CR)
0 Participants
Anti-tumor Effects of ONTAK Determined by Tumor Response and Progression
Partial Response (PR)
0 Participants
Anti-tumor Effects of ONTAK Determined by Tumor Response and Progression
Progressive Disease (PD)
10 Participants
Anti-tumor Effects of ONTAK Determined by Tumor Response and Progression
Stable Disease (SD)
4 Participants

Adverse Events

Arm I

Serious events: 1 serious events
Other events: 15 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Arm I
n=15 participants at risk
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Gastrointestinal disorders
Severe Nausea and Vomiting
6.7%
1/15 • Number of events 1

Other adverse events

Other adverse events
Measure
Arm I
n=15 participants at risk
Patients receive ONTAK IV over 1 hour on days 1-5. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. ONTAK: Given IV flow cytometry: Correlative studies immunohistochemistry staining method: Correlative studies enzyme-linked immunosorbent assay: Correlative studies laboratory biomarker analysis: Correlative studies protein expression analysis: Correlative studies
Investigations
Allergic Reaction/Hypersensitivity
6.7%
1/15 • Number of events 1
Ear and labyrinth disorders
Tinnitus
6.7%
1/15 • Number of events 1
Ear and labyrinth disorders
Other - Ringing in Ear
6.7%
1/15 • Number of events 1
Blood and lymphatic system disorders
Hemoglobin Abnormal
53.3%
8/15 • Number of events 18
Blood and lymphatic system disorders
Lymphopenia
26.7%
4/15 • Number of events 8
Blood and lymphatic system disorders
Platelets Abnormal
20.0%
3/15 • Number of events 6
Blood and lymphatic system disorders
Leukocytes Abnormal
13.3%
2/15 • Number of events 7
Blood and lymphatic system disorders
ANC/AGC Abnormal
13.3%
2/15 • Number of events 3
Blood and lymphatic system disorders
Blood and Lymphatic System Disorders - Other
6.7%
1/15 • Number of events 2
Cardiac disorders
Cardiac Arrhythmia
6.7%
1/15 • Number of events 2
Vascular disorders
Hypotension
13.3%
2/15 • Number of events 4
Cardiac disorders
Hypertension
6.7%
1/15 • Number of events 2
General disorders
Fatigue
80.0%
12/15 • Number of events 36
General disorders
Rigors/Chills
73.3%
11/15 • Number of events 12
Psychiatric disorders
Insomnia
66.7%
10/15 • Number of events 14
General disorders
Fever
26.7%
4/15 • Number of events 5
Gastrointestinal disorders
Weight Gain
6.7%
1/15 • Number of events 2
Gastrointestinal disorders
Weight Loss
6.7%
1/15 • Number of events 1
Skin and subcutaneous tissue disorders
Rash/Desquamation
13.3%
2/15 • Number of events 2
Skin and subcutaneous tissue disorders
Rash: Acne/Acneiform
6.7%
1/15 • Number of events 1
Vascular disorders
Flushing
6.7%
1/15 • Number of events 1
Gastrointestinal disorders
Constipation
80.0%
12/15 • Number of events 26
Gastrointestinal disorders
Nausea
60.0%
9/15 • Number of events 22
Gastrointestinal disorders
Anorexia
60.0%
9/15 • Number of events 14
Gastrointestinal disorders
Vomiting
46.7%
7/15 • Number of events 10
Gastrointestinal disorders
Diarrhea
26.7%
4/15 • Number of events 5
Gastrointestinal disorders
Gastritis
13.3%
2/15 • Number of events 2
Nervous system disorders
Taste Alteration (dysgeusia)
6.7%
1/15 • Number of events 1
Metabolism and nutrition disorders
Dehydration
6.7%
1/15 • Number of events 2
Infections and infestations
Infection - Toe
6.7%
1/15 • Number of events 1
Vascular disorders
Edema: Limb
26.7%
4/15 • Number of events 6
Investigations
AST Abnormal
93.3%
14/15 • Number of events 34
Investigations
ALT Abnormal
93.3%
14/15 • Number of events 33
Metabolism and nutrition disorders
Hypocalcemia
80.0%
12/15 • Number of events 28
Metabolism and nutrition disorders
Hypoalbuminemia
73.3%
11/15 • Number of events 27
Metabolism and nutrition disorders
Hypokalemia
66.7%
10/15 • Number of events 31
Metabolism and nutrition disorders
Hyperglycemia
53.3%
8/15 • Number of events 21
Metabolism and nutrition disorders
Creatinine Abnormal
53.3%
8/15 • Number of events 19
Investigations
Alkaline Phosphatase Abnormal
40.0%
6/15 • Number of events 11
Metabolism and nutrition disorders
Hypoglycemia
13.3%
2/15 • Number of events 4
Investigations
Hypoproteinemia
13.3%
2/15 • Number of events 7
Metabolism and nutrition disorders
Hyponatremia
6.7%
1/15 • Number of events 2
Metabolism and nutrition disorders
Alkalosis (metabolic or respiratory)
6.7%
1/15 • Number of events 1
Metabolism and nutrition disorders
Hyperbilirubinemia
6.7%
1/15 • Number of events 1
Metabolism and nutrition disorders
Chloride High
6.7%
1/15 • Number of events 5
Musculoskeletal and connective tissue disorders
Muscle Weakness
6.7%
1/15 • Number of events 2
Metabolism and nutrition disorders
Leg Cramps
6.7%
1/15 • Number of events 1
Nervous system disorders
Dizziness
26.7%
4/15 • Number of events 5
Nervous system disorders
Neuropathy: Sensory
26.7%
4/15 • Number of events 4
Psychiatric disorders
Mood Alteration
20.0%
3/15 • Number of events 3
Psychiatric disorders
Confusion
13.3%
2/15 • Number of events 2
Nervous system disorders
Ataxia (incoordination)
6.7%
1/15 • Number of events 1
Nervous system disorders
Neuropathy: Motor
6.7%
1/15 • Number of events 4
Eye disorders
Loss of Acuity Related to Illness
6.7%
1/15 • Number of events 1
Eye disorders
Vitreous Detachment
6.7%
1/15 • Number of events 1
Eye disorders
Vision Blurred - Vision
6.7%
1/15 • Number of events 1
Eye disorders
Watery Eye
6.7%
1/15 • Number of events 1
Nervous system disorders
Headache
66.7%
10/15 • Number of events 18
Musculoskeletal and connective tissue disorders
Myalgia
40.0%
6/15 • Number of events 8
Musculoskeletal and connective tissue disorders
Arthralgia
6.7%
1/15 • Number of events 1
Musculoskeletal and connective tissue disorders
Pain - Chest Wall
26.7%
4/15 • Number of events 4
Musculoskeletal and connective tissue disorders
Pain - Back
20.0%
3/15 • Number of events 7
Musculoskeletal and connective tissue disorders
Pain - Muscle
20.0%
3/15 • Number of events 3
Musculoskeletal and connective tissue disorders
Pain - Bone
13.3%
2/15 • Number of events 3
Gastrointestinal disorders
Abdomen NOS
13.3%
2/15 • Number of events 3
Musculoskeletal and connective tissue disorders
Extremity
6.7%
1/15 • Number of events 2
Musculoskeletal and connective tissue disorders
Pain - Arm
6.7%
1/15 • Number of events 1
Musculoskeletal and connective tissue disorders
Pain - Musculoskeletal - Extremity
6.7%
1/15 • Number of events 1
Musculoskeletal and connective tissue disorders
Pain - Rib
6.7%
1/15 • Number of events 1
Respiratory, thoracic and mediastinal disorders
Throat/Pharynx/Larynx
6.7%
1/15 • Number of events 1
General disorders
Pain - Tightness in Shoulders Secondary to Benadryl IV
6.7%
1/15 • Number of events 1
Respiratory, thoracic and mediastinal disorders
Dyspnea (Shortness of Breath)
60.0%
9/15 • Number of events 11
Respiratory, thoracic and mediastinal disorders
Cough
53.3%
8/15 • Number of events 12
Respiratory, thoracic and mediastinal disorders
Rhinitis
13.3%
2/15 • Number of events 3
Respiratory, thoracic and mediastinal disorders
Pleural Effusion (non-malignant)
6.7%
1/15 • Number of events 1
Respiratory, thoracic and mediastinal disorders
Pulmonary Fibrosis (radiologic changes)
6.7%
1/15 • Number of events 1
General disorders
Flu-Like Syndrome
33.3%
5/15 • Number of events 10
Vascular disorders
Acute Vascular Leak Syndrome
66.7%
10/15 • Number of events 19

Additional Information

Principal Investigator

University of Washington

Results disclosure agreements

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