About this trial
The current clinical trial will investigate the effects of orally administered d-limonene (limonene), delta-9-tetrahydrocannabinol (THC) and the combination in healthy adult volunteers.
Eligibility criteria
Qualifiers
Have provided written informed consent
Be between the ages of 21 and 55
Be in good general health based on a physical examination, medical history, vital signs, and screening urine and blood tests
Test negative for drugs of abuse other than cannabis, including breath alcohol at the screening visit and at clinic admission
Disqualifiers
Non-medical use of psychoactive drugs other than, nicotine, alcohol, or caffeine 3 month prior to the Screening Visit;
History of or current evidence of significant medical (e.g. seizure disorder) or psychiatric illness (e.g. psychosis) judged by the investigator to put the participant at greater risk of experiencing an adverse event due to exposure or completion of other study procedures.
Use of an over the counter (OTC), systemic or topical drug(s), herbal supplement(s), or vitamin(s) within 14 days of experimental sessions; which, in the opinion of the investigator or sponsor, will interfere with the study result or the safety of the subject.
Use of a prescription medication (with the exception of birth control prescriptions) within 14 days of experimental sessions; which, in the opinion of the investigator or sponsor, will interfere with the study result or the safety of the subject.
Trial design
Treatments tested in this trial
- D-Limonene
- Delta-9-THC
- Placebo
Treatment groups
6
Treatment groupsSee each treatment group below.