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Ofatumumab and Dinaciclib in Treating Patients With Relapsed or Refractory Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma, or B-Cell Prolymphocytic Leukemia

Phase 1b/2 Study of Dinaciclib (SCH 727965) and Ofatumumab in Relapsed and Refractory CLL/SLL/B-PLL

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01515176
Enrollment
36
Registered
2012-01-23
Start date
2012-01-31
Completion date
2016-07-19
Last updated
2018-03-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Lymphocytic Leukemia, Prolymphocytic Leukemia, Recurrent Small Lymphocytic Lymphoma, Refractory Chronic Lymphocytic Leukemia

Brief summary

This phase I/II trial studies the side effects and the best dose of ofatumumab and dinaciclib and to see how well they work in treating patients with relapsed or refractory chronic lymphocytic leukemia, small lymphocytic lymphoma, or B-cell prolymphocytic leukemia. Monoclonal antibodies, such as ofatumumab, can find cancer cells and help kill them. Dinaciclib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Giving ofatumumab together with dinaciclib may kill more cancer cells.

Detailed description

PRIMARY OBJECTIVES: I. To determine the tolerable dose of combination therapy with ofatumumab and dinaciclib (phase 1b component) in chronic lymphocytic leukemia (CLL), small lymphocytic leukemia (SLL), and B-cell prolymphocytic leukemia (B-PLL). II. To characterize the toxicity of combination therapy with ofatumumab and dinaciclib in CLL/SLL/B-PLL. III. To determine the overall response rate associated with this treatment as assessed by consensus response criteria. (Phase II) SECONDARY OBJECTIVES: I. To estimate progression-free survival (PFS) after combination treatment with ofatumumab and dinaciclib. II. To characterize the pharmacokinetics of dinaciclib when given in combination with ofatumumab. III. To correlate pharmacokinetic features of dinaciclib with response, toxicity (particularly tumor lysis syndrome), and pharmacodynamic endpoints. IV. To perform detailed baseline and serial pharmacodynamic studies of combination therapy with ofatumumab and dinaciclib and correlate these with response to therapy. V. To correlate baseline disease-risk parameters (i.e., zeta-chain-associated protein kinase \[ZAP\]-70 expression, interphase cytogenetics, immunoglobulin heavy chain variable region \[IgVH\] mutational analysis, and other clinical prognostic factors) with response to therapy. OUTLINE: This is a phase I, dose-escalation study followed by a phase II study. Patients receive ofatumumab intravenously (IV) over 4-6 hours on days 1, 8, 15, and 22 of courses 1-2, and on day 1 of courses 4-7. Beginning on course 2, patients also receive dinaciclib IV over 2 hours on days 2, 8, and 15 of course 2, and on days 1, 8, and 15 of courses 3-7. Treatment repeats every 28 days for up to 7 courses in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up every 3 months for 2 years and then every 6 months for up to 3 years.

Interventions

Given IV

OTHERLaboratory Biomarker Analysis

Correlative studies

BIOLOGICALOfatumumab

Given IV

OTHERPharmacological Study

Correlative studies

Sponsors

National Cancer Institute (NCI)
Lead SponsorNIH

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients must have histologically confirmed B-cell chronic lymphocytic leukemia (B-CLL)/small lymphocytic lymphoma (SLL) or a B-cell prolymphocytic leukemia (B-PLL) according to 2008 World Health Organization (WHO) diagnostic criteria * Patients must meet one or more of the following modified indications for treatment as described in the 2008 International Workshop on chronic lymphocytic leukemia (CLL) (IWCLL) guidelines for the diagnosis and treatment of CLL: * Progressive disease or marked splenomegaly and/or lymphadenopathy or disease requiring de-bulking for future allogeneic transplantation * Anemia (hemoglobin \< 11 mg/dL) or thrombocytopenia (platelets \< 100,000/μL) * Unexplained weight loss exceeding 10% of body weight over the preceding 6 months * Cancer Therapy Evaluation Program (CTEP) active version of the Common Terminology Criteria for Adverse Events (CTCAE) grade 2 or 3 fatigue * Fevers \> 100.5 º F or night sweats for greater than 2 weeks without evidence of infection * Progressive lymphocytosis, with an increase exceeding 50% over a 2-month period or a doubling time of less than 6 months * Need for cytoreduction prior to allogeneic stem cell transplant * Patients must have received at least one prior therapy that includes either fludarabine or equivalent nucleoside analogue, or an alternative regimen if there was a contraindication (i.e. autoimmune hemolytic anemia) or patient elected not to receive fludarabine * Eastern Cooperative Oncology Group (ECOG) performance status =\< 2 (Karnofsky \>= 60%) * Life expectancy \>= 12 weeks * Absolute neutrophil count \>= 1,000/μL in absence of bone marrow involvement * Platelets \>= 30,000/μL in absence of bone marrow involvement * Total bilirubin =\< 1.5 X institutional upper limit of normal (ULN) unless secondary to Gilbert's * Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase \[SGOT\])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase \[SGPT\]) =\< 2.5 X institutional upper limit of normal (ULN) unless due to infiltration of the liver * Creatinine =\< 2.0 mg/dL OR creatinine clearance \>= 50 mL/min/1.73 m\^2 for patients(Cockcroft-Gault estimated) * Patients with a history of current/previous infection with hepatitis B virus will be eligible if receiving appropriate antiviral prophylaxis * Women of child-bearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation; should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately * Ability to understand and the willingness to sign a written informed consent document

Exclusion criteria

* Patients who have had chemotherapy or radiotherapy within 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to entering the study or those who have not recovered from adverse events due to agents administered more than 4 weeks earlier; corticosteroids alone will not be considered prior therapy, but must be discontinued at least 24 hours prior to the first day of therapy unless continued for indications other than the primary malignancy * Patients who are receiving any other investigational agents * Patients who have received prior treatment with dinaciclib will not be eligible; patients previously treated with ofatumumab will be eligible as long as their disease responded to previous treatment (defined as achieving at least stable disease by consensus criteria) and did not subsequently progress \< 3 months from completing treatment * Patients with known brain metastases should be excluded from this clinical trial * History of allergic reactions attributed to compounds of similar chemical or biologic composition as dinaciclib * History of anaphylactic reaction to rituximab or other anti-cluster of differentiation (CD)20 monoclonal antibody * Because dinaciclib is metabolized by the cytochrome P450, family 3, subfamily A, polypeptide 4 (CYP3A4) liver enzyme, the eligibility of patients taking medications that are potent inducers or inhibitors of that enzyme will be determined following a review of their case by the principal investigator; every effort should be made to switch patients taking such agents or substances to other medications; any identified agent needs to be stopped at least 2 weeks prior to study registration; use of aprepitant will be permitted, however, based on drug-drug interaction study performed by the manufacturer showing no effect on dinaciclib pharmacokinetics (PK) * Patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency are excluded * Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements * Pregnant and/or breast-feeding women are excluded from this study; breastfeeding should be discontinued if the mother is treated with dinaciclib * Prior malignancy, except for adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, or other cancer from which the subject is considered by his or her physician to have a 2 year survival expectation * Human immunodeficiency virus (HIV)-positive patients on combination antiretroviral therapy are ineligible

Design outcomes

Primary

MeasureTime frameDescription
Maximum-tolerated Dose of Dinaciclib When Given in Combination With Ofatumumab, Defined as a Dose Level Where at Most One of 6 Evaluable Patients Has a Dose Limiting Toxicity (Phase Ia)Day 56Graded according to the National Cancer Institute (NCI) CTCAE version (v)4.0. Assessed using the continuous variables as the outcome measures (primarily nadir and percent change from baseline values) as well as categorization.
Number of Patients With Dose-limiting Toxicity Incidents Graded According to the NCI CTCAE v4.0 (Phase I)Up to day 56Hematologic dose-limiting toxicity measures will be assessed using the continuous variables as the outcome measures (primarily nadir and percent change from baseline values) as well as categorization via CTCAE version 4 standard toxicity grading. Non-hematologic dose-limiting toxicities such as dyspnea and renal will be evaluated via the ordinal CTCAE standard toxicity grading only.
Percentage of Patients Who Achieve an Overall Response, Defined as Achieving a Complete Response, an Unconfirmed Complete Response (SLL Only), or a Partial Response (Phase II)Up to 28 weeksPer Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for target lesions and assessed by MRI: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR + PR.

Secondary

MeasureTime frameDescription
Complete Response RateUp to 28 weeksPer Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for target lesions and assessed by MRI: Complete Response (CR), Disappearance of all target lesions
Time to Treatment FailureTime from study entry to the date patients end treatment, up to 28 weeksDistributions will be explored and assessed using the methods of Kaplan and Meier.
Overall SurvivalTime from study entry to death due to any cause, assessed up to 5 yearsDistributions will be explored and assessed using the methods of Kaplan and Meier.
Progression Free SurvivalTime from study entry to documentation of disease progression and/or death, assessed up to 5 years95% confidence intervals will be constructed using the methods of Duffy and Santner with the assumption that these rates are binomially distributed. Distributions will be explored and assessed using the methods of Kaplan and Meier.

Countries

United States

Participant flow

Participants by arm

ArmCount
Dose Level I: Treatment (Ofatumumab, Dinaciclib)
Patients receive ofatumumab IV over 4-6 hours on days 1, 8, 15, and 22 of courses 1-2, and on day 1 of courses 4-7. Beginning on course 2, patients also receive dinaciclib 7 mg/m2 as a 2-hour infusion on cycle 2 day 2, escalated to 10 mg/m2 beginning with cycle 2 day 8 and continuing thereafter.
4
Dose Level II:
Patients receive ofatumumab IV over 4-6 hours on days 1, 8, 15, and 22 of courses 1-2, and on day 1 of courses 4-7. Beginning on course 2, patients also receive dinaciclib 7 mg/m2 as a 2-hour infusion on cycle 2 day 2, escalated to 10 mg/m2 as a 2-hour infusion on cycle 2 day 8, and to 14 mg/m2 on cycle 2 day 15 and continuing thereafter
32
Total36

Baseline characteristics

CharacteristicDose Level I: Treatment (Ofatumumab, Dinaciclib)Dose Level II:Total
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
2 Participants17 Participants19 Participants
Age, Categorical
Between 18 and 65 years
2 Participants15 Participants17 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants0 Participants0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
4 Participants32 Participants36 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
0 Participants5 Participants5 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
4 Participants27 Participants31 Participants
Region of Enrollment
United States
4 participants32 participants36 participants
Sex: Female, Male
Female
2 Participants11 Participants13 Participants
Sex: Female, Male
Male
2 Participants21 Participants23 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 41 / 32
other
Total, other adverse events
4 / 432 / 32
serious
Total, serious adverse events
3 / 432 / 32

Outcome results

Primary

Maximum-tolerated Dose of Dinaciclib When Given in Combination With Ofatumumab, Defined as a Dose Level Where at Most One of 6 Evaluable Patients Has a Dose Limiting Toxicity (Phase Ia)

Graded according to the National Cancer Institute (NCI) CTCAE version (v)4.0. Assessed using the continuous variables as the outcome measures (primarily nadir and percent change from baseline values) as well as categorization.

Time frame: Day 56

ArmMeasureGroupValue (NUMBER)
Treatment (Ofatumumab, Dinaciclib)Maximum-tolerated Dose of Dinaciclib When Given in Combination With Ofatumumab, Defined as a Dose Level Where at Most One of 6 Evaluable Patients Has a Dose Limiting Toxicity (Phase Ia)2 hr infusion cycle 2 day 27 mg/m2
Treatment (Ofatumumab, Dinaciclib)Maximum-tolerated Dose of Dinaciclib When Given in Combination With Ofatumumab, Defined as a Dose Level Where at Most One of 6 Evaluable Patients Has a Dose Limiting Toxicity (Phase Ia)2 hr infusion cycle 2 day 810 mg/m2
Treatment (Ofatumumab, Dinaciclib)Maximum-tolerated Dose of Dinaciclib When Given in Combination With Ofatumumab, Defined as a Dose Level Where at Most One of 6 Evaluable Patients Has a Dose Limiting Toxicity (Phase Ia)cycle 2 day 814 mg/m2
Primary

Number of Patients With Dose-limiting Toxicity Incidents Graded According to the NCI CTCAE v4.0 (Phase I)

Hematologic dose-limiting toxicity measures will be assessed using the continuous variables as the outcome measures (primarily nadir and percent change from baseline values) as well as categorization via CTCAE version 4 standard toxicity grading. Non-hematologic dose-limiting toxicities such as dyspnea and renal will be evaluated via the ordinal CTCAE standard toxicity grading only.

Time frame: Up to day 56

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Treatment (Ofatumumab, Dinaciclib)Number of Patients With Dose-limiting Toxicity Incidents Graded According to the NCI CTCAE v4.0 (Phase I)0 Participants
Dose Level II: Treatment (Ofatumumab, Dinaciclib)Number of Patients With Dose-limiting Toxicity Incidents Graded According to the NCI CTCAE v4.0 (Phase I)0 Participants
Primary

Percentage of Patients Who Achieve an Overall Response, Defined as Achieving a Complete Response, an Unconfirmed Complete Response (SLL Only), or a Partial Response (Phase II)

Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for target lesions and assessed by MRI: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR + PR.

Time frame: Up to 28 weeks

ArmMeasureValue (NUMBER)
Treatment (Ofatumumab, Dinaciclib)Percentage of Patients Who Achieve an Overall Response, Defined as Achieving a Complete Response, an Unconfirmed Complete Response (SLL Only), or a Partial Response (Phase II)39 percentage of patients
Secondary

Complete Response Rate

Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.0) for target lesions and assessed by MRI: Complete Response (CR), Disappearance of all target lesions

Time frame: Up to 28 weeks

ArmMeasureValue (NUMBER)
Treatment (Ofatumumab, Dinaciclib)Complete Response Rate0 patients with complete response
Secondary

Overall Survival

Distributions will be explored and assessed using the methods of Kaplan and Meier.

Time frame: Time from study entry to death due to any cause, assessed up to 5 years

ArmMeasureValue (MEDIAN)
Treatment (Ofatumumab, Dinaciclib)Overall Survival990 days
Secondary

Progression Free Survival

95% confidence intervals will be constructed using the methods of Duffy and Santner with the assumption that these rates are binomially distributed. Distributions will be explored and assessed using the methods of Kaplan and Meier.

Time frame: Time from study entry to documentation of disease progression and/or death, assessed up to 5 years

ArmMeasureValue (MEDIAN)
Treatment (Ofatumumab, Dinaciclib)Progression Free Survival322 days
Secondary

Time to Treatment Failure

Distributions will be explored and assessed using the methods of Kaplan and Meier.

Time frame: Time from study entry to the date patients end treatment, up to 28 weeks

ArmMeasureValue (MEDIAN)
Treatment (Ofatumumab, Dinaciclib)Time to Treatment Failure248 days

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026