- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04656431
Feasibility of Acquiring Hyperpolarized Imaging in Patients With Primary CNS Lymphoma
Pilot Study of Feasibility of Acquiring Hyperpolarized Imaging in Patients With Primary CNS Lymphoma
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
PRIMARY OBJECTIVES
- To determine the safety and tolerability of hyperpolarized 13C MR metabolic imaging as a new and unique tool in the evaluation of tumor burden and detecting early response to standard therapy in participants with PCNSL.
- To assess the feasibility of hyperpolarized 13C as a new and unique tool in the evaluation of tumor burden and detecting early response to standard therapy in PCNSL participants.
- To define the most appropriate imaging parameters for obtaining 13C data from PCNSL participants (Cohort 1, n=5).
- To evaluate changes in Cohort 2 in imaging pre- and post- high-dose methotrexate, temozolomide plus rituximab (MTX-R) based therapy using the parameters found in Cohort 1
EXPLORATORY OBJECTIVES
- To test the hypothesis that genetic markers of nuclear factor kappa light chain enhancer of activated B cells (NF-kB) activation in PCNSL diagnostic specimens correlate with high lactate signal on metabolic imaging and with high cerebrospinal fluid (CSF) lactate concentration on baseline pre-treatment CSF evaluation.
- To test the hypothesis that genetic markers of NF-kB activation correlate with a smaller decrease in lactate on repeat metabolic magnetic resonance (MR) imaging and in repeat CSF evaluation after standard induction methotrexate-based therapy and that genetic markers of NF-kB activation and high lactate signals correlate with lower rate of complete radiographic response on conventional MRI and shorter progression-free survival (PFS).
OUTLINE: Patients are assigned to 1 of 2 cohorts.
COHORT I: Patients receive hyperpolarized carbon C 13 pyruvate intravenously (IV) and undergo MRI at baseline. An optional second HP 13C pyruvate injection and MRI acquisition will be offered on same day following completion of the first scan.
COHORT II: Patients receive hyperpolarized carbon C 13 pyruvate IV and undergo MRI at baseline, up to 2 weeks after finishing 3 cycles of standard high-dose methotrexate, temozolomide plus rituximab therapy, and at disease progression (if applicable). An optional second HP 13C pyruvate injection and MRI acquisition will be offered on same day following completion of the first scan.
Participants are followed for 1 hours after injection for adverse events. After completion of study, patients in Cohort 2 are followed up every 3 months for 2 years after completion of therapy, every 6 months for the next 3 years, and then annually for the next 5 years.
Study Type
Enrollment (Estimated)
Phase
- Phase 1
Contacts and Locations
Study Contact
- Name: Wendy Ma
- Phone Number: (415) 514-4418
- Email: Wendy.Ma@ucsf.edu
Study Locations
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California
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San Francisco, California, United States, 94143
- Recruiting
- University of California, San Francisco
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Principal Investigator:
- James Rubenstein, MD, PhD
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Contact:
- Wendy Ma
- Phone Number: 415-514-4418
- Email: Wendy.Ma@ucsf.edu
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Contact:
- Phone Number: 877-827-3222
- Email: cancertrials@ucsf.edu
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- For Patients in Cohort 1: Histologically proven PCNSL who have evidence of evaluable disease based on a prior MR scan: measurable disease based on MRI is defined as gadolinium enhancement of a central nervous system (CNS) lymphoma lesion (at least one centimeter (cm) diameter).
- For Patients in Cohort 2: Histologically proven newly diagnosed PCNSL who will receive standard treatment with high-dose methotrexate, temozolomide plus rituximab (MT-R). These criteria will ensure validity of this study in terms of safety, evaluation of clinically and radiographically relevant disease.
To be included in the study all subjects must also meet the following criteria:
- Patients must be > 18 years old and with a life expectancy > 12 weeks.
- Patients are eligible provided the participant had histologic confirmation of CNS non-Hodgkin lymphoma (NHL), DLBCL-type.
- Measurable disease based on MRI that shows gadolinium enhancement of CNS lymphoma lesion, (at least one cm diameter) within two weeks of enrollment, is mandatory. Recent MRI must be eligible for review.
- Concomitant involvement of cerebrospinal fluid/leptomeninges and intraocular compartments is allowed.
- Patients must have adequate renal function (creatinine >50 ml/min) before starting therapy. These tests must be performed within 21 days prior to Hyperpolarized Imaging scan.
- Patients must not have any significant medical illnesses that in the investigator's opinion cannot be adequately controlled with appropriate therapy, would compromise the patient's ability to participate in this study or any disease that will obscure toxicity or dangerously impact response to the imaging agent.
- Patients must not have New York Heart Association (NYHA) Grade II or greater congestive heart failure
- Patients must be eligible for treatment with high-dose methotrexate (dose between 1 gm/m^2 - 8 gm/m^2).
- Each participant must sign an institutional review board-approved informed consent document in accordance with federal and institutional guidelines. Patients must sign an authorization for release of their protected health information.
- This study was designed to include women and minorities but was not designed to measure differences of intervention effects. Males and females will be recruited with no preference to gender. Minorities will actively be recruited to participate. No exclusion to this study will be based on race.
- Patients must not have a history of any other cancer (except non-melanoma skin cancer or carcinoma in-situ of the cervix), unless in complete remission and off of all therapy for that disease for >3 yrs.
- Patients must not be pregnant or breast feeding. Women of childbearing potential are required to obtain a negative pregnancy test within 14 days of Hyperpolarized Imaging scan. Effective contraception (men and women) must be used in subjects of childbearing potential.
Exclusion Criteria:
1. Subjects must be excluded from participating in this study if are not able to comply with study and/or follow-up procedures.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Cohort 1: Hyperpolarized pyruvate (13C)
Histologically proven relapsed PCNSL patients will receive hyperpolarized carbon C 13 pyruvate intravenously (IV) and undergo MRI at baseline.
An optional second HP 13C pyruvate injection and MRI acquisition will be offered on same day following completion of the first scan.
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Given intravenously (IV) injection prior to imaging
Other Names:
MRI scan takes an image of brain and/or spinal cord and will take up to 45 minutes to complete
Other Names:
|
Experimental: Cohort 2: Hyperpolarized pyruvate (13C)
Newly diagnosed PCNSL participants with planned treatment of standard high-dose methotrexate,temozolomide plus rituximab (MT-R) regimen will receive hyperpolarized carbon C 13 pyruvate intravenously (IV) and undergo MRI at baseline and again after three cycles of of standard induction chemotherapy.
An optional second HP 13C pyruvate injection and MRI acquisition will be offered on same day following completion of the first scan.
Participants in Cohort 2 will also have option to undergo an additional imaging at a later time if the participant's cancer progresses.
|
Given intravenously (IV) injection prior to imaging
Other Names:
MRI scan takes an image of brain and/or spinal cord and will take up to 45 minutes to complete
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of participants with treatment-emergent Adverse Events
Time Frame: 1 day
|
The Common Terminology Criteria for Adverse Events (NCI CTCAE version 5.0) will be used to classify and graded any adverse events that occur after the participant has received the hyperpolarized 13C injection.
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1 day
|
Number of participants with abnormal changes in vital signs
Time Frame: 1 day
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Clinically significant changes in heart rate and blood pressure will be measured pre- and 10 minutes, 1 hour, 24 hours, and 48 hours post- injection as a measure of safety.
The occurrence of changes from baseline, at each post-administration time point, greater than a pre-specified magnitude (20 mm Hg for systolic blood pressure, 10 mm Hg for diastolic blood pressure, 10 beats per minute for heart rate).
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1 day
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Number of participants with abnormal changes in injection site
Time Frame: 1 day
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Injection site will be monitored for evidence of inflammation or infection.
Abnormal injection site findings include, but are not limited to, extravasation, bleeding, hematoma, redness, and infection as a measure of safety.
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1 day
|
Percent of eligible patients that complete the study
Time Frame: Up to 4 months
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The percentage of participants whom complete the study will be used to determine feasibility with a goal of at least 50%
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Up to 4 months
|
Pyruvate-to lactate conversion (kPL)
Time Frame: 1 day
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The kinetics of hyperpolarized [1-13C] pyruvate and 13C- in cancer models using a compressed sensing dynamic MRSI method
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1 day
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Number of participants with response
Time Frame: Up to 4 months
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Radiographic confirmed response with state-of-the-art MRI exam (including diffusion imaging, contrast-enhanced MRI and hydrogen magnetic resonance spectroscopic imaging (H1-MRSI) Determination of response status (complete response, partial response or stable disease) as standard will be made at 4 months after initiation of therapy
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Up to 4 months
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Signal Amplitudes
Time Frame: 1 day
|
Hyperpolarization of 13C pyruvate, using dynamic nuclear polarization (DNP), enhances nuclear magnetic resonance (NMR) signals.
The greater the amplitude of the signal, the larger the number of protons in the image and the brighter the signal will appear.
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1 day
|
Time Dynamics
Time Frame: 1 day
|
For the 2D dynamic data, the time resolution will be 3-5s.
For the 3D single time point data the start time will be adjusted based upon when it is anticipated that the lactate/pyruvate will be at a maximum.
|
1 day
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: James Rubenstein, MD, PhD, University of California, San Francisco
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20924
- NCI-2020-08531 (Registry Identifier: NCI Clinical Trials Reporting Program (CTRP))
- 5R01CA239462-02 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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