Trial Outcomes & Findings for Ibrutinib and Blinatumomab in Treating Patients With Relapsed or Refractory B Acute Lymphoblastic Leukemia (NCT NCT02997761)

NCT ID: NCT02997761

Last Updated: 2026-06-09

Results Overview

Defined as the number of participants who achieve CR according to National Comprehensive Cancer Network (NCCN) Guidelines for Acute Lymphoblastic Leukemia (ALL), Version 2.2015

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

19 participants

Primary outcome timeframe

Up to about 3 months from start of study treatment.

Results posted on

2026-06-09

Participant Flow

Participant milestones

Participant milestones
Measure
Treatment (Ibrutinib, Blinatumomab)
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Overall Study
STARTED
19
Overall Study
COMPLETED
19
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Ibrutinib and Blinatumomab in Treating Patients With Relapsed or Refractory B Acute Lymphoblastic Leukemia

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Treatment (Ibrutinib, Blinatumomab)
n=19 Participants
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Age, Categorical
<=18 years
0 Participants
n=20 Participants
Age, Categorical
Between 18 and 65 years
15 Participants
n=20 Participants
Age, Categorical
>=65 years
4 Participants
n=20 Participants
Sex: Female, Male
Female
8 Participants
n=20 Participants
Sex: Female, Male
Male
11 Participants
n=20 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
12 Participants
n=20 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
7 Participants
n=20 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=20 Participants
Region of Enrollment
United States
19 participants
n=20 Participants

PRIMARY outcome

Timeframe: Up to about 3 months from start of study treatment.

Defined as the number of participants who achieve CR according to National Comprehensive Cancer Network (NCCN) Guidelines for Acute Lymphoblastic Leukemia (ALL), Version 2.2015

Outcome measures

Outcome measures
Measure
Treatment (Ibrutinib, Blinatumomab)
n=18 Participants
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Rate of Complete Remission (CR).
9 Participants

SECONDARY outcome

Timeframe: Up to about 8 months from start of study treatment.

Number of participants with adverse events graded according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 4.03

Outcome measures

Outcome measures
Measure
Treatment (Ibrutinib, Blinatumomab)
n=19 Participants
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Number of Participants With Adverse Events
19 Participants

SECONDARY outcome

Timeframe: Up to about 8 months from start of treatment.

Multiparameter Flow Cytometry (MFC) minimal residual disease (MRD) negative CR/CRi rate - defined as the number of CR/CRi participants with B-ALL cells comprising \< 0.01% of bone marrow mononuclear cells \[BMMC\] as measured by flow cytometry or molecular studies.

Outcome measures

Outcome measures
Measure
Treatment (Ibrutinib, Blinatumomab)
n=10 Participants
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Minimal Residual Disease (MRD) Negative CR/CRi Rate
10 Participants

SECONDARY outcome

Timeframe: Up to 8 months from start of treatment.

Overall response rate (ORR) - defined as CR plus CR with incomplete count recovery (CRi) according to NCCN guidelines for ALL.

Outcome measures

Outcome measures
Measure
Treatment (Ibrutinib, Blinatumomab)
n=18 Participants
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Overall Response Rate (ORR).
10 Participants

SECONDARY outcome

Timeframe: From the time of first study drug administration until date of death from any cause, assessed for up to about 15.6 months.

Defined as the median OS measured from the time of first study drug administration until the date of progression or death from any cause.

Outcome measures

Outcome measures
Measure
Treatment (Ibrutinib, Blinatumomab)
n=18 Participants
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Overall Survival (OS).
12.3 months
Interval 7.8 to 15.6

SECONDARY outcome

Timeframe: Time from start of treatment to date of hematopoietic cell transplant assessed for up to 8 months.

Proportion of patients bridged to allogeneic hematopoietic cell transplant (allo-HCT or CAR-T.

Outcome measures

Outcome measures
Measure
Treatment (Ibrutinib, Blinatumomab)
n=18 Participants
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Proportion of Patients Bridged to Allogeneic Hematopoietic Cell Transplant (Allo-HCT or CAR-T.
6 Participants

Adverse Events

Treatment (Ibrutinib, Blinatumomab)

Serious events: 8 serious events
Other events: 19 other events
Deaths: 1 deaths

Serious adverse events

Serious adverse events
Measure
Treatment (Ibrutinib, Blinatumomab)
n=19 participants at risk
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Musculoskeletal and connective tissue disorders
Arthralgia
5.3%
1/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Musculoskeletal and connective tissue disorders
Back pain
26.3%
5/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Blood and lymphatic system disorders
Febrile neutropenia
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Infections and infestations
Gum infection
5.3%
1/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Musculoskeletal and connective tissue disorders
Myalgia
5.3%
1/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Nervous system disorders
Neurotoxicity
5.3%
1/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Renal and urinary disorders
Renal calculi
5.3%
1/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Infections and infestations
Sepsis
5.3%
1/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.

Other adverse events

Other adverse events
Measure
Treatment (Ibrutinib, Blinatumomab)
n=19 participants at risk
INDUCTION THERAPY: Patients receive ibrutinib PO QD on days 1-49 of course 1 and days 1-42 of course 2, and blinatumomab IV on days 8-35 of course 1 and days 1-28 of course 2 in the absence of disease progression or unacceptable toxicity. CONSOLIDATION THERAPY: Patients with CR/CRi after Induction Therapy receive ibrutinib PO QD on days 1-42 and blinatumomab IV on days 1-28. Treatment repeats every 42 days for up to 3 courses in the absence of disease progression or unacceptable toxicity. MAINTENANCE THERAPY: Patients receive ibrutinib PO QD on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Blinatumomab: Given IV Ibrutinib: Given PO
Nervous system disorders
Headache
47.4%
9/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Hyperglycemia
21.1%
4/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Vascular disorders
Hypertension
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Hyperuricemia
21.1%
4/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Hypoalbuminemia
21.1%
4/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Hypokalemia
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Hypomagnesemia
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Hyponatremia
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Hypophosphatemia
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Immune system disorders
Cytokine release syndrome
47.4%
9/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Gastrointestinal disorders
Diarrhea
26.3%
5/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Nervous system disorders
Dizziness
31.6%
6/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Gastrointestinal disorders
Dyspepsia
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
General disorders
Edema limbs
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Investigations
Electrocardiogram QT corrected interval prolonged
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
General disorders
Fatigue
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Blood and lymphatic system disorders
Febrile neutropenia
26.3%
5/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
General disorders
Fever
57.9%
11/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Vascular disorders
Flushing
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Glucose intolerance
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Gastrointestinal disorders
Abdominal pain
21.1%
4/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Investigations
Alanine aminotransferase increased
31.6%
6/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Investigations
Alkaline phosphatase increased
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Anemia
47.4%
9/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Metabolism and nutrition disorders
Anorexia
21.1%
4/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Musculoskeletal and connective tissue disorders
Arthralgia
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Gastrointestinal disorders
Ascites
21.1%
4/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Musculoskeletal and connective tissue disorders
Back pain
26.3%
5/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Investigations
Blood bilirubin increased
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Eye disorders
Blurred vision
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
General disorders
Chills
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Nervous system disorders
Cognitive disturbance
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Psychiatric disorders
Confusion
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Gastrointestinal disorders
Constipation
36.8%
7/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Respiratory, thoracic and mediastinal disorders
Cough
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Investigations
Creatinine increased
21.1%
4/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Vascular disorders
Hypotension
26.3%
5/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Psychiatric disorders
Insomnia
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
General disorders
Localized edema
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Infections and infestations
Lung infection
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Investigations
Lymphocyte count decreased
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Musculoskeletal and connective tissue disorders
Muscle weakness lower limb
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Musculoskeletal and connective tissue disorders
Myalgia
21.1%
4/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Gastrointestinal disorders
Nausea
36.8%
7/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Nervous system disorders
Other, Neurotoxicity
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Investigations
Neutrophil count decreased
31.6%
6/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
General disorders
Non-cardiac chest pain
21.1%
4/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Gastrointestinal disorders
Oral pain
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
General disorders
Pain
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Musculoskeletal and connective tissue disorders
Pain in extremity
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Nervous system disorders
Paresthesia
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Nervous system disorders
Peripheral motor neuropathy
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Investigations
Platelet count decreased
36.8%
7/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Skin and subcutaneous tissue disorders
Rash acneiform
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Cardiac disorders
Sinus bradycardia
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Nervous system disorders
Tremor
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Renal and urinary disorders
Urinary frequency
10.5%
2/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Gastrointestinal disorders
Vomiting
26.3%
5/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.
Investigations
White blood cell decreased
15.8%
3/19 • Up to about 8 months for adverse events and serious adverse events; up to about 15.6 months for all-cause mortality.

Additional Information

Office of Clinical Research

University of California, Davis

Phone: 916-382-6970

Results disclosure agreements

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