Glioma Clinical Trial
Official title:
Phase II Trial of LB100, a Protein Phosphatase 2A Inhibitor, in Recurrent Glioblastoma
Verified date | November 2023 |
Source | National Institutes of Health Clinical Center (CC) |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Background: The brain is separated from the rest of the blood stream by the blood-brain barrier. This is like a filter that protects the brain. But is also a challenge when medicines need to get into the brain. Researchers want to give the new drug LB100 to people before brain tumor surgery. They will measure how much LB100 is in the blood and how much gets into the brain. This may help with the use of LB100 to treat brain tumors in the future. Objective: To see if LB100 can pass into the brain. Eligibility: People at least 18 years old with a brain tumor that requires surgery. Design: Participants will be screened with: Physical exam Medical history Blood tests Neurosurgery evaluation Scans Heart tests Tumor sample. This can be from a previous procedure. Participants will have their brain surgery at the Clinical Center. Participants will get a dose of the study drug through a plastic tube in a vein for 2 hours during surgery. Participants will have blood taken 7 times in the 8 hours after getting the study drug. Tumor samples will be taken during surgery. Participants will have a heart test after getting the study drug. Sticky pads on the skin will measure electrical activity of the heart. Two-three weeks after leaving the hospital, participants will have a follow-up visit. They will have a physical exam and blood tests. One month after surgery, they will be contacted in person or by phone to see how they are doing.
Status | Completed |
Enrollment | 7 |
Est. completion date | August 31, 2022 |
Est. primary completion date | August 15, 2022 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | - INCLUSION CRITERIA: - Patients must have histologically confirmed glioblastoma/gliosarcoma, grades II-III astrocytoma and oligodendroglioma. - Patients must have recurrent disease for which there is a clinical indication for resection. - Age greater than or equal to18 years. - Karnofsky greater than or equal to 60%. - Patients must have adequate bone marrow function (white blood count (WBC) greater than or equal to 3,000/uL absolute neutrophil count (ANC) greater than or equal to 1,500/mm^3, platelet count of greater than or equal to 100,000/mm^3, and hemoglobin greater than or equal to 10 gm/dL), adequate liver function (SGOT and bilirubin < 2 times upper limit of normal (ULN). These tests must be performed within 28 days prior to receiving drug. Eligibility level for hemoglobin may be reached by transfusion. - Patients must have a serum creatinine of <=1.7 mg/dL. If the serum creatinine is greater than 1.7 mg/dl, a 24-hour urine creatinine clearance will be obtained and if the result of this study is within normal limits*, the patient would be eligible to enroll onto study. This test must be performed within 28 days prior to registrationreceiving drug. (*Normal Creatinine Clearance Range: Male: 90 - 130 ml/min; Female: 80 - 125 ml/min) - Patients must be in adequate general medical health to safely tolerate a craniotomy. - At the time of registration, all subjects must be removed greater than or equal to 28 days from any investigational agents. - The effects of LB100 on the developing human fetus are unknown. For this reason, 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 of subject to understand and the willingness to sign a written informed consent document indicating that they are aware of the investigational nature of this study, and that this is not a therapeutic clinical trial. EXCLUSION CRITERIA: - Patients who are receiving any other investigational agents. - 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. - Patients unwilling to undergo craniotomy. - Pregnant women are excluded from this study because the safety of Protein Phosphatase 2A (PP2A) inhibition on a developing fetus has not been established. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with LB100, breastfeeding should be discontinued if the mother is treated with LB100. - Patients may not have had prior chemotherapy or biologic therapy in the 4 weeks prior to study entry. For patients who have been treated with targeted therapy, 5 half-lives of that therapy (or 28 days, whichever is shorter) must have passed prior to enrollment in the study. - Known human immunodeficiency virus (HIV)-positive patients on combination antiretroviral therapy are ineligible because of the potential for pharmacokinetic interactions with LB100. Appropriate studies will be undertaken in patients receiving combination antiretroviral therapy when indicated. - Patients who are receiving strong cytochromes P450 (CYP450) inducers or inhibitors are ineligible - Recruitment Strategies Patients with recurrent disease will be identified by the Neuro-Oncology Branch, Clinical Center. This study will be posted on National Institutes of Health (NIH) websites and on NIH Social media forums. |
Country | Name | City | State |
---|---|---|---|
United States | National Institutes of Health Clinical Center | Bethesda | Maryland |
Lead Sponsor | Collaborator |
---|---|
National Cancer Institute (NCI) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Number of Participants With Serious and/or Non-serious Adverse Events Assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0) | Here is the number of participants with serious and/or non-serious adverse events assessed by the Common Terminology Criteria for Adverse Events (CTCAE v5.0). A non-serious adverse event is any untoward medical occurrence. A serious adverse event is an adverse event or suspected adverse reaction that results in death, a life-threatening adverse drug experience, hospitalization, disruption of the ability to conduct normal life functions, congenital anomaly/birth defect or important medical events that jeopardize the patient or subject and may require medical or surgical intervention to prevent one of the previous outcomes mentioned. | Date treatment consent signed to date off study, approximately 39 months and 6 days. | |
Primary | Number of Participants With the Presence of Drug in the Tumor Tissue | Participants tumor tissue was examined to determine the presence of drug in the tumor tissue. | an average of 5.5 hours after drug administration | |
Secondary | Plasma Concentration and Calculated LB100 | Blood samples for the determination of plasma levels of LB-100 will be obtained from each participant. Plasma concentrations of LB100 will be determined at each time point. LC-MS-MS assay that can measure LB-100 in human plasma. Assay range is 2.0 -1000 ng/mL. A higher value is better because it would have made it more likely drug could penetrate the blood brain barrier at therapeutic levels. | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion | |
Secondary | Concentration of LB100 | Concentration of LB100 in glioma tumor tissue when a known non-toxic dose of LB100 is delivered intravenously. Glioma tissue sampling to detect and quantify LB100 will be performed by assaying phospho-protein expression in glioma tissue resected prior to and after infusion of LB100. These are values for the LB100 in the tumor which was done at one timepoint. | average of 5.5 hours after infusion | |
Secondary | Changes in Phospho-protein Expression in Circulating Peripheral Blood Mononuclear Cells (PBMC) | Changes in phospho-protein expression in circulating PBMC. Pharmacodynamic (PD) response is defined as statistically significant elevation of phospho-protein expression in treated tumor tissues compared to untreated glioma specimens. Post-treatment PD effect (as measured by increase in tumor tissue phospho-protein expression) difference greater than 2.5 times the baseline standard deviation (SD) is statistically significant at the .05 significance level. | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion | |
Secondary | Maximum Observed Plasma Concentration of LB100 (Cmax) | The maximum observed analyte concentration in serum was reported. | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion | |
Secondary | Area Under the Plasma Concentration vs. Time Curve Extrapolated to Infinity (AUC(INF) | AUC is a measure of the serum concentration of LMB100 over time. It is used to characterize drug absorption. | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion | |
Secondary | Plasma Half-Life of Drug LB100 | Plasma decay half-life is the time measured for the plasma concentration of the drug to decrease by one half. | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion | |
Secondary | Time to Maximum Observed Plasma Concentration of LMB100 (Tmax) | Time to maximum observed plasma concentration of LMB100 (Tmax). | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion | |
Secondary | Total Clearance (CL) of LMB100 | The CL is a quantitative measure of the rate at which a drug substance is removed from the body. | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion | |
Secondary | Volume of Distribution (Vd) of LMB100 | Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion | |
Secondary | Brain Concentration | Drug amount in brain as a percent of drug in plasma. | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion | |
Secondary | Brain Penetration | Concentration of drug in brain tumor tissue. Brain penetration is measured as "drug amount in a brain as a percent of drug in plasma. | Pre-dose; End of infusion (2 hours post-start); 30 minutes post LB100 infusion completion; 1 hour post LB-100 infusion completion; 2 hours post LB100 infusion completion; 4 hours post LB100 infusion completion; 8 hours post LB100 infusion completion |
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