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THC Effects on Glucose in Type 2 Diabetes

Primary Purpose

Type 2 Diabetes

Status
Not yet recruiting
Phase
Phase 1
Locations
United States
Study Type
Interventional
Intervention
THC
Placebo
Sponsored by
University of California, San Diego
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional basic science trial for Type 2 Diabetes focused on measuring THC

Eligibility Criteria

21 Years - 70 Years (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Males and Females 21-70 years old at the time of screening.
  • Females of non-child bearing potential must be ≥ 1 year post-menopausal or documented as being surgically sterile. Females of child bearing potential must agree to use two methods of contraception during the entire study.
  • Male subjects must be willing to use clinically acceptable method of contraception during the entire study.
  • Have a clinical diagnosis of Type 2 Diabetes on a stable medication regimen for at least 3 months.
  • BMI > 25 kg/m2).
  • HbA1c < 10%).
  • Negative urine toxicology result at screening visit.
  • Able to provide written informed consent approved by an Institutional Review Board (IRB).

Exclusion Criteria:

  • History or presence of any clinically significant illness, as detected by history, physical examination, and/or laboratory tests, that might put the participant at increased risk of adverse events (e.g., history of psychotic disorder, clinically significant mood and/or anxiety disorder, liver, or renal disease).
  • No prior history of myocardial infarction, stroke or heart failure.
  • Whole blood donation of 1 pint (500 mL) within 8 weeks prior to Screening. Donations of plasma, packed RBCs, platelets or quantities less than 500 mL are allowed at investigator discretion.
  • Hemoglobin < 9g/dL.
  • Liver enzymes ≥ 2 times upper normal limit and/or clinical signs/symptoms consistent with liver disease, including but not limited to nausea, vomiting, jaundice, itching, abdominal pain, or edema.
  • History of clinically significant adverse events associated with cannabis intoxication (e.g., severe anxiety and panic, paranoia and psychosis, sustained tachycardia, or severe hypotension).
  • History of seizures, head trauma, or other history of CNS insult that could predispose the participant to seizures.
  • Use of any THC containing products within 30 days prior to the screening visit.
  • Current use of tobacco products.
  • Individuals who are pregnant or lactating/breastfeeding.
  • Current use of insulin to treat Type 2 Diabetes.
  • Unable or unwilling to follow the study protocol or who are non-compliant with screening appointments or study visits.
  • Any other condition(s) that might reduce the chance of obtaining study data, or that might cause safety concerns, or that might compromise the ability to give truly informed consent.

Sites / Locations

  • UC San Diego Altman Clinical & Translational Research Institute

Arms of the Study

Arm 1

Arm 2

Arm Type

Active Comparator

Placebo Comparator

Arm Label

Active THC

Placebo Cannabis

Arm Description

Daily, inhaled, flexible dose of cannabis product with THC.

Daily, inhaled, flexible dose of cannabis product without THC.

Outcomes

Primary Outcome Measures

Change in Glucose Uptake
The change in glucose uptake from placebo treatment to THC treatment as measure by the hyperinsulinemic/euglycemic clamp.
Change in Vascular Endothelial Function
The change in vascular endothelial function from placebo treatment to THC treatment as measured by flow mediated dilation (brachial artery diameter).
Change in Vascular Endothelial Function
The change in vascular endothelial function from placebo treatment to THC treatment as measured by reactive hyperemia-peripheral arterial tonometry (reactive hyperemia index).

Secondary Outcome Measures

Full Information

First Posted
March 30, 2022
Last Updated
January 20, 2023
Sponsor
University of California, San Diego
Collaborators
Center for Medicinal Cannabis Research
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1. Study Identification

Unique Protocol Identification Number
NCT05322213
Brief Title
THC Effects on Glucose in Type 2 Diabetes
Official Title
The Effects of THC on Glucose Metabolism and Endothelial Function in Subjects With Type 2 Diabetes
Study Type
Interventional

2. Study Status

Record Verification Date
January 2023
Overall Recruitment Status
Not yet recruiting
Study Start Date
May 1, 2023 (Anticipated)
Primary Completion Date
April 30, 2026 (Anticipated)
Study Completion Date
April 30, 2027 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
University of California, San Diego
Collaborators
Center for Medicinal Cannabis Research

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
This study will examine the effects THC has on Glucose Metabolism and Endothelial Functioning in participants with Type 2 Diabetes. The participants will complete blood tests and tests to measure energy expenditure, CVD risks, and glucose metabolism. These tests will be performed prior to start of treatment and again after 2-weeks of treatment with the THC or placebo.
Detailed Description
A single-center, double-blind, placebo-controlled, cross-over study designed to evaluate the effects of THC on glucose metabolism and endothelial functioning in individuals with type 2 diabetes. To accomplish the specific AIMS proposed, a single clinical trial will be conducted in which a maximum of 30 subjects with T2D, who are otherwise healthy, will be treated with THC and matching placebo in a cross-over study design. Each treatment period will be 2 weeks in duration with metabolic and endothelial assessments done post-therapy. Subjects will be randomized on a 1:1 basis to either receive either THC or placebo for the first 2 weeks of therapy. Then following a 4-week washout, they will receive the opposite investigational product for the second 2 weeks of therapy. Subjects will remain on their standard treatment for T2D throughout the entire course of the study. There will be a total of 10 study visits and subjects will be enrolled for approximately 16 weeks. Screening - Complete consenting process, complete medical history and physical exam, review of current medications, collect height/weight, vital signs, ECG and fasting laboratory (blood and urine) tests. Visit 2 - Treatment Session 1 Start - Collect weight, vital signs and fasting laboratory tests. Receive investigational product and training on its use. Visit 3 - Monitory investigational product compliance and adjust dosing. Visit 4 - Complete endothelial function tests including flow mediated dilation and EndoPat, complete vital signs, weight and laboratory tests for safety. Visit 5 - Complete a 2-Step Hyperinsulinemic/Euglycemic clamp and Indirect Calorimetry. Begin 4-week washout. Visit 6 - Treatment Session 2 Start - Collect weight, vital signs and receive investigational product and training on its use. Visit 7 - Monitory investigational product compliance and adjust dosing. Visit 8 - Complete endothelial function tests including flow mediated dilation and EndoPat, complete vital signs, weight and laboratory tests for safety. Visit 9 - Complete a 2-Step Hyperinsulinemic/Euglycemic clamp and Indirect Calorimetry. Discontinue use of investigational product. Safety Follow-up - Collect weight, vital signs, ECG and fasting laboratory tests. Receive investigational product and training on its use.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Type 2 Diabetes
Keywords
THC

7. Study Design

Primary Purpose
Basic Science
Study Phase
Phase 1
Interventional Study Model
Crossover Assignment
Model Description
Single-Center, double-blind, placebo-controlled, crossover study.
Masking
ParticipantInvestigator
Masking Description
Double-blind
Allocation
Randomized
Enrollment
30 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
Active THC
Arm Type
Active Comparator
Arm Description
Daily, inhaled, flexible dose of cannabis product with THC.
Arm Title
Placebo Cannabis
Arm Type
Placebo Comparator
Arm Description
Daily, inhaled, flexible dose of cannabis product without THC.
Intervention Type
Drug
Intervention Name(s)
THC
Other Intervention Name(s)
Cannabis
Intervention Description
2-Week, once daily, flexible dose, inhaled THC
Intervention Type
Drug
Intervention Name(s)
Placebo
Intervention Description
2-Week, once daily, flexible dose, inhaled placebo
Primary Outcome Measure Information:
Title
Change in Glucose Uptake
Description
The change in glucose uptake from placebo treatment to THC treatment as measure by the hyperinsulinemic/euglycemic clamp.
Time Frame
6 weeks
Title
Change in Vascular Endothelial Function
Description
The change in vascular endothelial function from placebo treatment to THC treatment as measured by flow mediated dilation (brachial artery diameter).
Time Frame
6 weeks
Title
Change in Vascular Endothelial Function
Description
The change in vascular endothelial function from placebo treatment to THC treatment as measured by reactive hyperemia-peripheral arterial tonometry (reactive hyperemia index).
Time Frame
6 weeks

10. Eligibility

Sex
All
Minimum Age & Unit of Time
21 Years
Maximum Age & Unit of Time
70 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Males and Females 21-70 years old at the time of screening. Females of non-child bearing potential must be ≥ 1 year post-menopausal or documented as being surgically sterile. Females of child bearing potential must agree to use two methods of contraception during the entire study. Male subjects must be willing to use clinically acceptable method of contraception during the entire study. Have a clinical diagnosis of Type 2 Diabetes on a stable medication regimen for at least 3 months. BMI > 25 kg/m2). HbA1c < 10%). Negative urine toxicology result at screening visit. Able to provide written informed consent approved by an Institutional Review Board (IRB). Exclusion Criteria: History or presence of any clinically significant illness, as detected by history, physical examination, and/or laboratory tests, that might put the participant at increased risk of adverse events (e.g., history of psychotic disorder, clinically significant mood and/or anxiety disorder, liver, or renal disease). No prior history of myocardial infarction, stroke or heart failure. Whole blood donation of 1 pint (500 mL) within 8 weeks prior to Screening. Donations of plasma, packed RBCs, platelets or quantities less than 500 mL are allowed at investigator discretion. Hemoglobin < 9g/dL. Liver enzymes ≥ 2 times upper normal limit and/or clinical signs/symptoms consistent with liver disease, including but not limited to nausea, vomiting, jaundice, itching, abdominal pain, or edema. History of clinically significant adverse events associated with cannabis intoxication (e.g., severe anxiety and panic, paranoia and psychosis, sustained tachycardia, or severe hypotension). History of seizures, head trauma, or other history of CNS insult that could predispose the participant to seizures. Use of any THC containing products within 30 days prior to the screening visit. Current use of tobacco products. Individuals who are pregnant or lactating/breastfeeding. Current use of insulin to treat Type 2 Diabetes. Unable or unwilling to follow the study protocol or who are non-compliant with screening appointments or study visits. Any other condition(s) that might reduce the chance of obtaining study data, or that might cause safety concerns, or that might compromise the ability to give truly informed consent.
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
Todd May, MS
Phone
858-246-2169
Email
tmay@health.ucsd.edu
Facility Information:
Facility Name
UC San Diego Altman Clinical & Translational Research Institute
City
La Jolla
State/Province
California
ZIP/Postal Code
92037
Country
United States
Facility Contact:
First Name & Middle Initial & Last Name & Degree
Todd May, MS
Email
tmay@health.ucsd.edu
First Name & Middle Initial & Last Name & Degree
Jeremy Pettus, MD

12. IPD Sharing Statement

Plan to Share IPD
No

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THC Effects on Glucose in Type 2 Diabetes

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