Leukemia Clinical Trial
Official title:
A Pilot Study to Determine the Effects of the Bruton's Tyrosine Kinase (Btk) Inhibitor PCI-32765 on Leukemia Cell Kinetics and Trafficking, Using Heavy Water Labeling in Subjects With Chronic Lymphocytic Leukemia (CLL) and Small Lymphocytic Lymphoma (SLL)
Verified date | February 2020 |
Source | M.D. Anderson Cancer Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The goal of this clinical research study is to learn how PCI-32765 (ibrutinib) may affect the
life cycle of blood-cancer cells. Cancer cells will be "labeled" with heavy water to learn
about their birth rates and death rates.
Ibrutinib is a type of drug called a kinase inhibitor. Kinases are proteins inside cells that
help cells live and grow. The study drug is designed to inhibit or "block" the activity of a
type of kinase that helps blood-cancer cells live and grow. By blocking the activity of this
specific kinase, it is possible that the study drug may kill the cancer cells or stop them
from growing.
Heavy water (2H2O) is a special type of water that is designed to help researchers learn how
quickly cancer cells in the body reproduce.
Status | Completed |
Enrollment | 30 |
Est. completion date | August 9, 2018 |
Est. primary completion date | August 9, 2018 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: 1. A diagnosis of CLL/ SLL and have not been previously treated. 2. An indication for treatment by 2008 IWCLL Criteria. 3. Male and female subjects of age >/= 18 years at the time of signing informed consent and requiring treatment within the next 2 to 6 months. 4. Understand and voluntarily sign an informed consent, and be able to comply with study procedures and follow-up examinations. 5. Platelet counts at study entry must be greater than 50,000/µL and absolute neutrophil counts at study entry must be greater than 750/µL. 6. Free of prior malignancies for 3 years with exception of currently treated basal cell, squamous cell carcinoma of the skin, or carcinoma in situ of the cervix or breast. 7. Subjects must be able to contribute the required amount of blood and/or tissue without compromising their well-being or care and must weigh at least 110 pounds. 8. Adequate renal and hepatic function as indicated by all of the following: total bilirubin </=1.5 x institutional Upper Limit of Normal (ULN); Aspartate Aminotransferase (AST) or Alanine Aminotransferase (ALT) </=2.5 x Upper limits of normal (ULN); and estimated creatinine clearance (CrCl) of > 30 mL/min, as calculated by the Cockcroft-Gault equation. 9. Participants must be willing to be contacted again for consideration of additional studies in the future, such as a blood draw or another action (e.g., bone marrow aspiration and/or biopsy) that would be associated with their standard of care, unless they consented to such for research purposes. 10. An Eastern Cooperative Oncology (ECOG)/World Health Organization (WHO) performance status of 0-2. 11. Males and females of child bearing potential must have adequate birth control protection while on study and for 30 days after the last dose of study drug. The couple will use two forms of birth control for the entire time of the study and 30 days after finishing study. Conception control should include a hormonal method (birth control pill, etc.), and a double-barrier methods (condoms with spermicidal, sponge with spermicidal, or diaphragm with spermicidal), or abstinence (not having sex) will be practiced. 12. Female subjects will need a negative pregnancy screening test if they are of child bearing potential. Exclusion Criteria: 1. Subjects less than 18 years of age. 2. A lymphocyte doubling time of < 3 months, or other clinical or laboratory signs indicating that a treatment delay of 2 months or longer (due to heavy water labeling and resting period) would result in a significant progression of the disease and be detrimental to the subject, as determined by the treating physician. 3. Any prior treatment for Chronic Lymphocytic Leukemia (CLL) including chemotherapy, chemoimmunotherapy, monoclonal antibody therapy, radiotherapy, or high-dose corticosteroid therapy (Prednisone > 60 mg daily or equivalent), or immunotherapy prior to enrollment or concurrent with this trial. 4. Concomitant use of agents that have been described to affect the biology and/or proliferation rate of CLL cells such as: Phosphodiesterase inhibitors (PDE-inhibitors) (e.g., sildenafil, theophylline), immunosuppressive agents (e.g., prednisone, cyclosporin-A, rapamycin), green tea extract, itraconazole, ketoconazole, clarithromycin, bupropion, and Cox-2 inhibitors. 5. Investigational agent received within 30 days prior to the first dose of study drug. If received any investigational agent prior to this time point, drug-related toxicities must have recovered to Grade 1 or less prior to first dose of study drug. 6. Systemic fungal, bacterial, viral, or other infection not controlled (defined as exhibiting ongoing signs/symptoms related to the infection and without improvement, despite appropriate antibiotics or other treatment). 7. Subjects with uncontrolled autoimmune hemolytic anemia (AIHA) or autoimmune thrombocytopenia (ITP). 8. Any other severe concurrent disease, or have a history of serious organ dysfunction or disease involving the heart, kidney, liver or other organ system that may place the subject at undue risk to undergo therapy with PCI-32765. 9. Any serious medical condition, laboratory abnormality, or psychiatric illness that places the subject at unacceptable risk if he/she were to participate in the study. 10. History of intracranial hemorrhage or stroke within 6 months prior to the study. 11. Evidence of bleeding diathesis or coagulopathy. 12. Major surgical procedure, open biopsy, or significant traumatic injury, within 28 days prior to Day 1, anticipation of need for major surgical procedure during the course of the study. (Minor surgical procedures, fine needle aspirations or core biopsies within 7 days prior to Day 1. Bone marrow aspiration +/- biopsy is allowed). 13. Serious, non-healing wound, ulcer, or bone fracture. 14. Subjects receiving anticoagulation (for example heparin, Coumadin, low-molecular-weight heparin (LMWH, such as Lovenox), and anti-platelet drugs (except for low-dose aspirin) will be ineligible to participate in this study. Subjects who recently received drugs for anticoagulation must be off those medications for at least 7 days prior to start of the study. 15. Subjects who are known to be anemic, with hemoglobin <8.0g/dl. 16. Weight less than 110 pounds 17. Subjects who are known to be infected with HIV, or have signs of active Hepatitis B or Hepatitis C. 18. Biliary obstruction, acute hepatitis, severe liver failure, or severely impaired renal function. 19. PCI-32765 is contraindicated in subjects with clinically significant hypersensitivity to any of the compound's structural components. |
Country | Name | City | State |
---|---|---|---|
United States | University of Texas MD Anderson Cancer Center | Houston | Texas |
Lead Sponsor | Collaborator |
---|---|
M.D. Anderson Cancer Center | Pharmacyclics LLC. |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in Leukemia Cell Death | Stable isotopic labeling with deuterated water (2^H2O) to measure directly the effects of PCI-32765 (ibrutinib) on leukemia cell death in the peripheral blood of participants . | every three months, up to one year | |
Secondary | Percentage of Recently Born Leukemia Cells Mobilized Into the Blood by PCI-32765 Treatment | Measurement of the fraction of recently born versus older leukemia cells in the peripheral blood of participants before and during PCI-32765 therapy, to determine the effects of PCI-32765 (ibrutinib) therapy on the birth rates of the leukemia cells. | every three months, up to one year |
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