- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05025878
13C-Glucose Tracing of Tumour and T Cells in the Ascites of Ovarian Cancer Patients. (iMETABO)
Metabolic Tracing of Tumour and T Cells in the Ascites of Ovarian Cancer Patients
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Participants and Location:
This study will recruit up to 10 patients of at least 18 years of age with ascites due to diagnosed ovarian cancer. Eligible study patients will be screened and recruited at BC Cancer - Victoria. Paracentesis procedure and patient consent will occur at the Island Health - Royal Jubilee Hospital.
Study Design:
Participants meeting the inclusion criteria will be fitted with a continuous glucose monitor (FreeStyle Libre) before proceeding to their scheduled appointment for paracentesis. Labeled glucose will be administered via I.V. at dose of 8g of labeled glucose in 60 mL over 10 min. This is followed by 4g of labeled glucose in 30 mL over an hour.
Sample collection and processing:
During [U-13C]glucose infusions, the ascites specimens will kept on ice. Samples will be collected and analyzed by flow cytometry and mass spectrometry for states of metabolism and metabolite profiles respectively. The ascites fluid will be monitored for changes in metabolite levels.
[U-13C]glucose Product Information:
[U-13C]glucose clinical grade will be compound BC Cancer Pharmacy.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Julian J. Lum, PhD
- Phone Number: 250-519-5700
- Email: JLum@bccancer.bc.ca
Study Contact Backup
- Name: Jennifer Rauw, MD
- Phone Number: 250-519-5500
- Email: Jennifer.Rauw@bccancer.bc.ca
Study Locations
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British Columbia
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Victoria, British Columbia, Canada
- Recruiting
- Jennifer Rauw
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Contact:
- Jennifer Rauw, MD
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Ovarian cancer
- Any stage or grade of disease
- Ascites fluid that requires draining
- Any treatment regimen
- Primary or recurrent ascites
- Understands the concept of the study and give informed consent.
Exclusion Criteria:
- Participants must not have diabetes or abnormal hemoglobin A1C levels.
- The patient's glucose levels must be between 4 - 11.1 mM before administering an infusion. This is to ensure that patients are within normal blood glucose levels, as described by Diabetes Canada.
- Participants cannot receive chemotherapy treatment during the 5 hour duration of the experiment as it may compromise the integrity of the data.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
[U-13C]glucose
All participants consented to the study will receive the [U-13C]glucose infusion and collection of ascites for research.
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Patients are intravenously infused with 28g of [U-13C]glucose over a 5 hour period.
Briefly, [U-13C]glucose will be provided by intravenous line containing 8g of [U-13C]glucose in 60 mL over 10 min.
After 10 minutes, 4g of [U-13C]glucose will be administered over an hour.
This process will continue until the patient's ascites is drained, or after 5 hours.
We will monitor blood glucose levels during infusions using a continuous glucose monitor.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Achieve [U-13C]Glucose enrichment in the ascites of ovarian cancer patients
Time Frame: Duration of ascites paracentesis (samples collected hourly, up to 5 hours)
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Extracellular [U-13C]Glucose label enrichment in the ascites fluid (measured by mass spectrometry).
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Duration of ascites paracentesis (samples collected hourly, up to 5 hours)
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Compare glucose uptake and metabolic pathways in different cell populations in the ascites.
Time Frame: Duration of ascites paracentesis (samples collected hourly, up to 5 hours)
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Fractional enrichment of intracellular [U-13C]Glucose and 13C labeled metabolites in T cells, myeloid cells and tumour cells (measured by mass spectrometry).
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Duration of ascites paracentesis (samples collected hourly, up to 5 hours)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Correlate metabolic profiles with functionality of T cells found in the ascites.
Time Frame: One time - Duration of ascites paracentesis
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Multi-parametric flow cytometry analysis of glucose uptake, mitochondrial function, T cell phenotypes and function.
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One time - Duration of ascites paracentesis
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
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
- Pathologic Processes
- Neoplasms by Histologic Type
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Carcinoma
- Neoplasms, Glandular and Epithelial
- Genital Neoplasms, Female
- Endocrine System Diseases
- Ovarian Diseases
- Adnexal Diseases
- Gonadal Disorders
- Endocrine Gland Neoplasms
- Ovarian Neoplasms
- Ascites
- Carcinoma, Ovarian Epithelial
Other Study ID Numbers
- H18-03615
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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