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Cannabinoid

Oral THC 30mg + D-Limonene 25mg for Tetrahydrocannabinol

Phase 1
Waitlist Available
Led By Austin Zamarripa, PhD
Research Sponsored by Johns Hopkins University
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Have a body mass index (BMI) in the range of 18 to 36 kg/m2
Be between the ages of 18 and 55
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 8 hours after dosing
Awards & highlights

Study Summary

This trial will study the effects of d-limonene, THC, and a combination of the two when taken by healthy adult volunteers.

Who is the study for?
This trial is for healthy adults who want to participate in a study examining the effects of d-limonene, THC, and their combination when taken by mouth. Specific eligibility criteria are not provided.Check my eligibility
What is being tested?
The study is testing how orally administered d-limonene, delta-9-THC (the active ingredient in cannabis), and their combination affect individuals. Some participants will receive a placebo instead of the active substances.See study design
What are the potential side effects?
Potential side effects may include those commonly associated with THC such as changes in mood, sensory perception, attention, memory impairment, increased heart rate and potential digestive discomfort from d-limonene.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
Select...
My BMI is between 18 and 36.
Select...
I am between 18 and 55 years old.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~8 hours after dosing
This trial's timeline: 3 weeks for screening, Varies for treatment, and 8 hours after dosing for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Subjective Drug Effect as assessed by Visual Analog Scale
Secondary outcome measures
Subjective Drug Liking as assessed by Visual Analog Scale
Subjective anxiety as assessed by Visual Analog Scale
Subjective hunger as assessed by Visual Analog Scale
+1 more

Trial Design

6Treatment groups
Experimental Treatment
Placebo Group
Group I: Oral THC 30mg + D-Limonene 50mgExperimental Treatment2 Interventions
30mg pure THC in ethanol vehicle, via capsule 50mg pure D-Limonene, via capsule
Group II: Oral THC 30mg + D-Limonene 25mgExperimental Treatment2 Interventions
30mg pure THC in ethanol vehicle, via capsule 25mg pure D-Limonene, via capsule
Group III: Oral THC 30mg + D-Limonene 200mgExperimental Treatment2 Interventions
30mg pure THC in ethanol vehicle, via capsule 200mg pure D-Limonene, via capsule
Group IV: Oral THC 30mg + D-Limonene 100mgExperimental Treatment2 Interventions
30mg pure THC in ethanol vehicle, via capsule 100mg pure D-Limonene, via capsule
Group V: Oral THC 30mgExperimental Treatment1 Intervention
30mg pure THC in ethanol vehicle, via capsule
Group VI: Oral PlaceboPlacebo Group1 Intervention
Placebo (cellulose), via capsule
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Delta-9-THC
2021
Completed Early Phase 1
~70
D-Limonene
2019
N/A
~50

Find a Location

Logistics

Participation is compensated

You will be compensated for participating in this trial.

Who is running the clinical trial?

Johns Hopkins UniversityLead Sponsor
2,267 Previous Clinical Trials
14,837,542 Total Patients Enrolled
National Institutes of Health (NIH)NIH
2,705 Previous Clinical Trials
7,507,221 Total Patients Enrolled
Austin Zamarripa, PhDPrincipal InvestigatorJohns Hopkins School of Medicine

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

What are the eligibility criteria for individuals interested in participating in this research project?

"Participants must possess tetrahydrocannabinol in their system and fall within the age bracket of 18 to 55 to meet eligibility criteria for this trial, which aims to enroll approximately 65 individuals."

Answered by AI

Is the clinical trial limited to participants younger than 75 years of age?

"Participants older than 18 years but younger than 55 are eligible to enroll in this study."

Answered by AI

Are there currently ongoing patient enrollments for this clinical trial?

"Information available on clinicaltrials.gov indicates that patient recruitment is not ongoing for this research. The trial was initially listed on September 1st, 2024 and last updated on April 18th, 2024. While participation is currently closed, there are alternative opportunities as there are a total of fourteen active trials enrolling participants at the moment."

Answered by AI

Has the combination of oral THC 30mg and D-Limonene 25mg been granted approval by the FDA?

"Our Power team rates the safety of Oral THC 30mg + D-Limonene 25mg at level 1 on a scale from 1 to 3. This designation is due to its Phase 1 trial status, indicating that there is minimal available data supporting both safety and efficacy."

Answered by AI
~43 spots leftby Jul 2027