- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02538614
Study of Idelalisib in Combination With BI 836826 in Participants With Chronic Lymphocytic Leukemia
November 23, 2020 updated by: Gilead Sciences
A Phase 1b/2 Study of Idelalisib in Combination With BI 836826 in Subjects With Chronic Lymphocytic Leukemia
This study consists of 2 parts: Phase 1b and Phase 2. Phase 1b will evaluate the safety and tolerability of the combination of idelallisib with the anti-CD37 monoclonal antibody BI 836826 in participants with relapsed/refractory chronic lymphocytic leukemia (R/R CLL), and establish the high recommended Phase 2 combination dose (highRP2D) as well as an alternate lower recommended Phase 2 combination dose (lowRP2D).
Phase 2 will determine the rates of complete response (CR) and of minimal residual disease (MRD) negativity with the combination at the highRP2D and the lowRP2D in participants with R/R CLL.
Study Overview
Status
Terminated
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
2
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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Ohio
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Columbus, Ohio, United States
- Ohio State University
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Utah
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Salt Lake City, Utah, United States
- University of Utah
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Key Inclusion Criteria:
- Diagnosis of B-cell CLL, established according to International Workshop on Chronic Lymphocytic Leukemia (IWCLL) criteria and having received at least 2 prior treatment regimens
- CLL that warrants treatment
Clinically quantifiable disease burden defined as:
- For Phase 1b individuals: absolute lymphocyte count (ALC) > 5000/μL in peripheral blood.
For Phase 2 individuals either:
- At least 1 node ≥ 2 cm on computed tomography (CT) or magnetic resonance imaging (MRI) or
- bone marrow exam is performed at screening and demonstrates quantifiable CLL.
- Discontinuation of all cytotoxic chemotherapy and anti-CD20 antibody therapy for ≥ 4 weeks, alemtuzumab for ≥ 8 weeks, targeted therapy for ≥ 2 weeks, and investigational therapy for ≥ 3 weeks before enrollment (Phase 1b) or randomization (Phase 2). For individuals with relapsed CLL most recently treated with B-cell receptor (BCR) pathway inhibitors who, in the opinion of the investigator, will not tolerate waiting 3 weeks, a washout period of > 5 half-lives is allowed. If on a systemic corticosteroid, the dose must be stable for the previous 4 weeks.
- Eastern Cooperative Oncology Group (ECOG) score of ≤ 2
Key Exclusion Criteria:
- Known histological transformation from CLL to an aggressive lymphoma (ie, Richter transformation)
- Known presence of myelodysplastic syndrome
- History of a non-CLL malignancy except for the following: adequately treated local basal cell or squamous cell carcinoma of the skin, cervical carcinoma in situ, superficial bladder cancer, asymptomatic prostate cancer without known metastatic disease and with no requirement for therapy or requiring only hormonal therapy and with normal prostate-specific antigen for ≥ 1 year prior to enrollment, other adequately treated Stage 1 or 2 cancer currently in complete remission, or any other cancer that has been in complete remission for ≥ 2 years.
- Evidence of ongoing systemic bacterial, fungal, or viral infection at the time of enrollment
- Ongoing drug-induced liver injury, chronic active hepatitis C (HCV), chronic active hepatitis B (HBV), alcoholic liver disease, non-alcoholic steatohepatitis, primary biliary cirrhosis, extrahepatic obstruction caused by cholelithiasis, cirrhosis of the liver, or portal hypertension.
- History of drug-induced pneumonitis
- Ongoing inflammatory bowel disease
- Ongoing alcohol or drug addiction
- History of prior allogeneic bone marrow progenitor cell or solid organ transplantation
- Ongoing systemic immunosuppressive therapy other than corticosteroids
- History of prior therapy with any phosphatidylinositol 3-kinase (PI3K) inhibitor (including idelalisib), or any anti-CD37 agent
- Ongoing infection with, or treatment or prophylaxis for, CMV within the past 28 days.
Note: Other protocol defined Inclusion/Exclusion criteria may apply.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Phase 1b: Idelalisib + BI 836826
Participants will receive escalating dose of idelalisib at dose levels, 50 mg, 100 mg, and 150 mg + BI 836826 10 mg on Day 8, 50 mg on Day 9 and Day 15, and 100 mg on Day 22, every 2 weeks through Week 18, and every 4 weeks through Week 46. 2 dose combinations (highRP2D and lowRP2D) will be determined for further evaluations in Phase 2.
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Tablets administered orally twice daily
Other Names:
Intravenous administration as a rate-controlled infusion
|
Experimental: Phase 2 Idelalisib + BI 836826
Participants will be randomly assigned to receive 1 of the 2 dose combinations selected from Phase 1b.
|
Tablets administered orally twice daily
Other Names:
Intravenous administration as a rate-controlled infusion
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Phase 1b: Percentage of Participants Experienced Dose Limiting Toxicities (DLTs) During the First 7 Weeks of Study Therapy
Time Frame: Up to 7 weeks
|
DLTs refer to toxicities experienced during the final 6 weeks of 7-week study treatment that have been judged to be clinically significant and related to study treatment.
Events occurring during the initial 7-day idelalisib monotherapy run-in period and resolving by Day 8 were not included.
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Up to 7 weeks
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For Phase 2: Complete Response Rate (CRR)
Time Frame: Up to 18 months
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CRR was defined as the percentage of participants who achieve a complete response (CR).
CR was defined as the complete resolution of all disease-related radiological abnormalities and the disappearance of all signs and symptoms related to the disease.
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Up to 18 months
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For Phase 2: Minimal Residual Disease (MRD) Negativity Rate in Bone Marrow by Week 50
Time Frame: Week 50
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MRD defined as the percentage of participants with MRD < 10^-4, assessed by flow cytometry in bone marrow, achieved by Week 50.
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Week 50
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Phase 1b: Percentage of Participants Experienced DLTs During the Treatment Period
Time Frame: Up to 18 months
|
DLTs refer to toxicities experienced during the final 6 weeks of 7-week study treatment that have been judged to be clinically significant and related to study treatment.
Events occurring during the initial 7-day idelalisib monotherapy run-in period and resolving by Day 8 were not included.
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Up to 18 months
|
For Phase 1b and Phase 2: Number of Participants Experiencing Any Serious Adverse Events (SAE)
Time Frame: Up to 18 months
|
An SAE is defined as an event that, at any dose, results in the following: death, life-threatening, in-patient hospitalization or prolongation of existing hospitalization, persistent or significant disability/incapacity, a congenital anomaly/birth defect or a medically important event or reaction.
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Up to 18 months
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For Phase 1b and Phase 2: Number of Participants Who Permanently Discontinued Study Treatment Due to an Adverse Event
Time Frame: Up to 18 months
|
An AE is any untoward medical occurrence in a clinical study participant administered a medicinal product, which does not necessarily have a causal relationship with the treatment.
An AE can therefore be any unfavorable and/or unintended sign, symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product.
The severity of AEs was graded using the Common Terminology Criteria for Adverse Events (CTCAE) Version 4.03.
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Up to 18 months
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For Phase 2: Overall Response Rate (ORR)
Time Frame: Up to 18 months
|
ORR was defined as the percentage of participants achieving a complete response (CR) or partial response (PR).
CR was defined as the complete resolution of all disease-related radiological abnormalities and the disappearance of all signs and symptoms related to the disease.
PR was defined as a ≥ 50% reduction in the sum of the products of the longest perpendicular diameters of all index lesions, with no new lesions.
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Up to 18 months
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For Phase 2: Duration of Complete Response (DCR)
Time Frame: Up to 18 months
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DCR was defined as the interval from the first documentation of CR to the earlier of the first documentation of definitive disease progression or death from any cause.
CR was defined as the complete resolution of all disease-related radiological abnormalities and the disappearance of all signs and symptoms related to the disease.
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Up to 18 months
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For Phase 2: Duration of Response (DOR)
Time Frame: Up to 18 months
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DOR was defined as the interval from the first documentation of CR or PR to the earlier of the first documentation of definitive disease progression or death from any cause.
CR was defined as the complete resolution of all disease-related radiological abnormalities and the disappearance of all signs and symptoms related to the disease.
PR was defined as a ≥ 50% reduction in the sum of the products of the longest perpendicular diameters of all index lesions, with no new lesions.
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Up to 18 months
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For Phase 2: Progression-Free Survival (PFS)
Time Frame: Up to 18 months
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PFS was defined as the interval from randomization to the earlier of the first documentation of definitive disease progression or death from any cause.
Definitive disease progression was defined as evidence of any new disease, worsening of index lesions, spleen or liver, or non-index disease, decrease in platelet count or hemoglobin that is attributable to chronic lymphocytic leukemia (CLL) or more than 4 weeks after the discontinuation of idelalisib: an increase in the number of blood lymphocytes by 50% or more.
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Up to 18 months
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For Phase 2: Overall Survival (OS)
Time Frame: Up to 18 months
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OS was defined as the interval from the randomization to the date of death from any cause.
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Up to 18 months
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For Phase 2: MRD Negativity Rate in Blood at Any Time
Time Frame: Up to 18 months
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MRD negativity rate in blood was defined as the percentage of participants with MRD < 10^-4, assessed by flow cytometry in blood, at any time on study.
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Up to 18 months
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For Phase 2: MRD Negativity Rate in Bone Marrow at Any Time
Time Frame: Up to 18 months
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MRD negativity rate in bone marrow was defined as the percentage of participants with MRD < 10^-4, assessed by flow cytometry in bone marrow, at any time on study.
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Up to 18 months
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
December 29, 2015
Primary Completion (Actual)
July 5, 2017
Study Completion (Actual)
July 5, 2017
Study Registration Dates
First Submitted
August 31, 2015
First Submitted That Met QC Criteria
August 31, 2015
First Posted (Estimate)
September 2, 2015
Study Record Updates
Last Update Posted (Actual)
November 25, 2020
Last Update Submitted That Met QC Criteria
November 23, 2020
Last Verified
November 1, 2020
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Leukemia, B-Cell
- Leukemia
- Leukemia, Lymphocytic, Chronic, B-Cell
- Leukemia, Lymphoid
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Antineoplastic Agents
- Antineoplastic Agents, Immunological
- Idelalisib
- BI 836826
Other Study ID Numbers
- GS-US-312-1579
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
YES
IPD Plan Description
Qualified external researchers may request IPD for this study after study completion.
For more information, please visit our website at https://www.gilead.com/science-and-medicine/research/clinical-trials-transparency-and-data-sharing-policy
IPD Sharing Time Frame
18 months after study completion
IPD Sharing Access Criteria
A secured external environment with username, password, and RSA code.
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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