- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03216499
HIF-2 Alpha Inhibitor PT2385 in Treating Patients With Recurrent Glioblastoma (PT2385)
Single-Arm, Open-Label Phase II Efficacy Study of First-in-Class HIF-2 Alpha Inhibitor, PT2385, for Patients With Recurrent Glioblastoma
Study Overview
Status
Conditions
Detailed Description
PRIMARY OBJECTIVES:
I. To estimate the efficacy of hypoxia inducible factor (HIF)-2 alpha inhibitor PT2385 (PT2385) as measured by radiographic response rate (by Response Assessment in Neuro-Oncology, RANO, criteria) in patients with recurrent glioblastoma.
SECONDARY OBJECTIVES:
I. To estimate the efficacy of PT2385 as measured by progression free and overall survival in patients with recurrent glioblastoma.
II. To determine the safety of oral PT2385 in patients with recurrent glioblastoma.
TERTIARY OBJECTIVES:
I. To describe the pharmacokinetic and pharmacodynamic properties of PT2385 in patients with recurrent glioblastoma.
II. To describe baseline intratumoral hypoxia using novel, advanced magnetic resonance (MR)-based neuroimaging sequences in patients with recurrent glioblastoma.
III. To explore genetic polymorphisms involved in the metabolism of PT2385.
OUTLINE:
Patients receive HIF-2 alpha inhibitor PT2385 orally (PO) twice daily (BID) on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up every 2 months for 2 years and every 6 months thereafter.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Alabama
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Birmingham, Alabama, United States, 35294-3410
- UAB Comprehensive Cancer Center
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California
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Los Angeles, California, United States, 90095
- Jonsson Comprehensive Cancer Center at UCLA
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Maryland
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Baltimore, Maryland, United States, 21231
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
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Massachusetts
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Boston, Massachusetts, United States, 02115
- Dana-Farber/Harvard Cancer Center at Dana Farber Cancer Institute
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Michigan
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Detroit, Michigan, United States, 48202
- Henry Ford Hospital
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New York
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New York, New York, United States, 10021
- Memorial Sloan-Kettering Cancer Center
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North Carolina
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Winston-Salem, North Carolina, United States, 27157
- Wake Forest University Comprehensive Cancer Center
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Ohio
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Cleveland, Ohio, United States, 44195
- Cleveland Clinic Taussig Cancer Center
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- Abrams Cancer Center of the University of Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15232
- Hillman Cancer Center at University of Pittsburgh Cancer Institute
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
• Patients must have histologically confirmed glioblastoma that is progressive or recurrent following radiation therapy and temozolomide according to the Response Assessment in Neuro-Oncology (RANO) criteria with:
- New contrast-enhancing lesion outside of radiation field on decreasing, stable, or increasing doses of corticosteroids
Increase by >= 25% in the sum of the products of perpendicular diameters between the postradiotherapy scan with the smallest tumor measurement and a scan at least 12 weeks from completion of radiation therapy (RT) + temozolomide (TMZ), on stable or increasing doses of corticosteroids
** Note: clinical deterioration not attributable to concurrent medication or comorbid conditions is sufficient to declare progression on current treatment but not for entry onto a clinical trial for recurrence
- Tumor O(6)-methylguanine-DNA-methyltransferase (MGMT) methylation status must be available; results of routinely used methods for MGMT methylation testing (e.g. mutagenically separated polymerase chain reaction, (MSPCR), or quantitative polymerase chain reaction (PCR)) are acceptable
- Patients must have a tumor tissue form indicating availability of archived tissue from a previous surgery for glioblastoma, completed and signed by a pathologist
- Patients must have measurable (defined by at least 1 cm x 1 cm) contrast-enhancing disease by magnetic resonance imaging (MRI) imaging within 21 days of starting treatment
- Patients must be able to undergo MRI of the brain with gadolinium; patients must be maintained on a stable or decreasing dose of corticosteroid regimen (no increase for 5 days) prior to this baseline MRI
- Patients must be in first recurrence of glioblastoma following radiation therapy and temozolomide
- Patients must have recovered from severe toxicity of prior therapy; the following intervals from previous treatments are required to be eligible:
- 12 weeks from the completion of radiation
- 6 weeks from a nitrosourea chemotherapy
- 3 weeks from a non-nitrosourea chemotherapy
- 4 weeks from any investigational (not Food and Drug Administration (FDA)-approved) agents
2 weeks from administration of a non-cytotoxic, FDA-approved agent (e.g., erlotinib, hydroxychloroquine, etc.)
- Patients must have a Karnofsky performance status >= 60% (i.e. the patient must be able to care for himself/herself with occasional help from others)
- Absolute neutrophil count >= 1,500/microliter (mcL)
- Platelets >= 100,000/mcL
- Hemoglobin >= 9 g/dL
- Total bilirubin =< institutional upper limit of normal
- Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase (SGOT))/ alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase (SGPT)) =< 4 x institutional upper limit of normal
- Creatinine =< institutional upper limit of normal OR creatinine clearance >= 60 ml/min/1.73m^2 for patients with creatinine levels above institutional normal
- Activated partial thromboplastin time (APTT) or partial thromboplastin time (PTT) =< 1.5 x institutional upper limit of normal
- Patients must be able to provide written informed consent
- Women of childbearing potential must have a negative serum pregnancy test prior to study start; women of childbearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry, for the duration of study participation, and through 30 days after the last dose of study drug; should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her treating physician immediately; men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study, for the duration of study participation, and through 30 days after the last dose of study drug
- Patients must have no concurrent malignancy except curatively treated basal or squamous cell carcinoma of the skin or carcinoma in situ of the cervix, breast, or bladder; patients with prior malignancies must be disease-free for >= five years
- Patients must be able to swallow tablets
Exclusion Criteria:
• Patients receiving any other investigational agents are ineligible
- Patients must not have received prior anti- Vascular endothelial growth factor (VEGF) therapy including bevacizumab (i.e. patients must be bevacizumab naive)
- Patients with a history of allergic reactions attributed to compounds of similar chemical or biologic composition to PT2385 are ineligible
- Patients on enzyme-inducing anti-epileptic drugs (EIAED) are not eligible for treatment on this protocol; patients may be on non-enzyme inducing anti-epileptic drugs or not be taking any anti-epileptic drugs; patients previously treated with EIAED may be enrolled if they have been off the EIAED for 10 days or more prior to the first dose of PT2385
- Patients with a history of bleeding diathesis are ineligible
- Patients who have not recovered to < Common Terminology Criteria for Adverse Events (CTCAE) grade 2 toxicities related to prior therapy are ineligible
- Patients with uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, clinically significant cardiac disease, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements, are ineligible
- Pregnant women are excluded from this study; breastfeeding should be discontinued if the mother is treated with PT2385
- Human immunodeficiency virus (HIV)-positive patients on combination antiretroviral therapy are ineligible due to potential drug-drug interactions with PT2385
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Treatment (HIF-2 alpha inhibitor PT2385)
Patients receive HIF-2 alpha inhibitor PT2385 PO BID on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity. Pharmacological Study Laboratory Biomarker Analysis Pharmacogenomic Study |
Correlative studies
Correlative studies
Correlative studies
Other Names:
Given PO
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Tumor Radiographic Response as Assessed by the RANO Criteria
Time Frame: Up to 2 years
|
Tumor radiographic response assessed by Response Assessment in Neuro-Oncology (RANO) criteria.
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Up to 2 years
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Progression-free Survival (PFS)
Time Frame: Assessed up to 2 years
|
PFS (in months) will be estimated using Kaplan-Meier method along with 95% confidence interval.
Definition of PFS is date treatment started to the date of progression.
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Assessed up to 2 years
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Overall Survival
Time Frame: From the date of treatment start to the date of death occurrence/or censored at the time of last known alive, assessed up to 2 years
|
Overall survival (in months) will be estimated using Kaplan-Meier method along with 95% confidence interval.
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From the date of treatment start to the date of death occurrence/or censored at the time of last known alive, assessed up to 2 years
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Incidence of Grade 3 and Grade 4 Adverse Events
Time Frame: Up to 1 year
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Number of participants experiencing grade 3 and grade 4 adverse events assessed by National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0.
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Up to 1 year
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pharmacokinetics (Cmin) for PT2385
Time Frame: Day 15 cycle 1
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Minimum concentration (Cmin) on Day 15 of cycle 1.
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Day 15 cycle 1
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Pharmacokinetics for PT2385 Drug Exposure
Time Frame: Day 15 cycle 1
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Drug exposure levels in 3 groups: Cmin >1000ng/mL; Cmin: 300-1000 ng/mL and Cmin <300ng/mL
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Day 15 cycle 1
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Determine Association Between Baseline Tumor Acidity and PT2385 (Imaging)
Time Frame: At baseline
|
Baseline Tumor acidity was measured using pH-weighted amine chemical exchange saturation transfer (CEST) MRI contrast on the Magnetic Resonance Imaging R^2 = "reversible transverse relaxation rate" (and is proportional to oxygen extraction and thus hypoxia). MTR = MTRasym "the asymmetry in the magnetization transfer ratio at 3ppm from water" (and it is a surrogate of tumor acidity (MTR) pH quantitative measure of the acidity or basicity (pH) of aqueous or other liquid solutions. Lower pH values correspond to solutions which are more acidic in nature, while higher values correspond to solutions which are more basic or alkaline. Exp = exposure Acid = Acidity Perit Tiss = Peritumoral Tissue Enh Tum = Enhancing Tumor DurTx = Duration treatment |
At baseline
|
Collaborators and Investigators
Investigators
- Study Chair: Roy Strowd, MD, Wake Forest /ABTC
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- ABTC 1602
- UM1CA137443 (U.S. NIH Grant/Contract)
- IRB00132128 (OTHER: JHM IRB)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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