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Cannabis clinical trials

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NCT ID: NCT05407285 Completed - Cannabis Clinical Trials

A Study of Ingested Cannabidiol in Healthy Occasional Cannabis Users

Start date: July 22, 2022
Phase: Phase 1/Phase 2
Study type: Interventional

The purposes of this study are 1) to determine if the administration of different low doses of oral CBD (20 mg, 50 mg, 100 mg and 200 mg) result in detectable subjective pleasant drug effect compared to placebo and 2) to qualitatively explore whether low dose of oral CBD is associated with effects that are not detected with the available research tools.

NCT ID: NCT05115318 Completed - Tourette Syndrome Clinical Trials

The Effect of Medical Cannabis on Tics, Premonitory Urge and Psychiatric Comorbidity in Adults With Tourette Syndrome

Start date: July 1, 2020
Phase:
Study type: Observational

Medical cannabis (MC) is a standard treatment in Israel to adults with resistant Gilles de la Tourette syndrome (GTS). While small randomized control trials assessed THC efficacy on tics and premonitory urge, only small retrospective studies assessed MC efficacy and tolerability in GTS. Herein, By using an open-label, prospective design, our aim is to determine the preferred method of use, efficacy and tolerability of 12 weeks of treatment with MC in adult patients with GTS.

NCT ID: NCT05049733 Completed - Cannabis Clinical Trials

The Pharmacokinetics and Pharmacodynamics of a Single Acute Dose of a Hemp-derived Oral Product With a 1:1 Ratio of CBD:CBD-A

Start date: March 7, 2022
Phase: Phase 1
Study type: Interventional

The purpose of this study is to examine the pharmacokinetics and pharmacodynamics of a hemp-derived oral product containing cannabidiol (CBD) and cannabidiolic acid (CBD-A) at a 1:1 ratio.

NCT ID: NCT04945031 Completed - Cannabis Clinical Trials

The Study of Pharmacological Treatment Pattern for Cannabis-induced Psychosis

Start date: November 8, 2019
Phase:
Study type: Observational

A cross-sectional and retrospective chart review study was conducted at the Princess Mother National Institute on Drug Abuse Treatment (PMNIDAT), Thailand. All patients who admitted at PMNIDAT from October 2013 to September 2019 were included. Patients aged 18-65 years who met the International Classification of Disease-10 (ICD-10) criteria of CIP and Had a positive urine test of cannabis were included. Cannabis use is a component cause of psychosis.More than half of symptoms of cannabis-induced psychosis (CIP) were hallucination, delusion, irritable and anxiety. Antipsychotic drug was still a key psychotropic drugs for treatment of CIP. However, antidepressants and benzodiazepines were commonly used for treatment of other symptoms beyond psychotics

NCT ID: NCT04911127 Completed - Clinical trials for Rheumatoid Arthritis

Therapeutic Response of Cannabidiol in Rheumatoid Arthritis

Start date: October 5, 2021
Phase: Phase 1/Phase 2
Study type: Interventional

The study will randomly assign Rheumatoid Arthritis (RA) patients on stable RA therapy to either placebo or cannabidiol (CBD). The overall goal of this proposal is to examine the efficacy and safety of CBD treatment as adjunctive to the medical management of RA patients.

NCT ID: NCT04851392 Completed - Cannabis Use Clinical Trials

Do Adolescents and Adults Differ in Their Acute Response to Cannabis?

CannTeenA
Start date: March 11, 2019
Phase: N/A
Study type: Interventional

The acute effects of cannabis may differ between adolescents and adults. Furthermore, these effects may be tempered by the presence of cannabidiol. This double-blind, placebo-controlled, crossover experiment investigates the acute effects of cannabis (with and without cannabidiol) on subjective effects, behavioural responses and neural functioning in 16-17 year-olds and 26-29 year-olds who regularly use cannabis (0.5-3 days per week).

NCT ID: NCT04741477 Completed - Cannabis Clinical Trials

The Pharmacokinetics and Pharmacodynamics of Hemp-based Topical Cannabinoid Products

Start date: July 14, 2021
Phase: Phase 1
Study type: Interventional

This study will evaluate the pharmacokinetic and pharmacodynamic effects of hemp-based Cannabidiol (CBD) topical products (e.g., lotions, creams, patches) that contain low levels of delta-9-tetrahydrocannabinol (THC).

NCT ID: NCT04634136 Completed - Quality of Life Clinical Trials

Full-spectrum Medical Cannabis for Treatment of Spasticity in Patients With Severe Forms of Cerebral Palsy

HemPhar
Start date: October 15, 2020
Phase: N/A
Study type: Interventional

The proposed study is a double-blind, placebo-controlled, cross over study on 60 children aged 5 to 25 years with severe spasticity related to cerebral palsy (CP), level IV and V with full-spectrum medical cannabis product of CBD/THC ratio 10:1.

NCT ID: NCT04601207 Completed - Healthy Clinical Trials

A Study Investigating the Bioavailability of CBD and THC in an Emulsion Product in a Healthy Population

Start date: June 19, 2020
Phase: Phase 1
Study type: Interventional

The objective of this study is to investigate the bioavailability of Cannabidiol (CBD) and Tetrahydrocannabinol (THC) in an emulsion product against a comparator product. Thirty-two participants will be randomized into a single-center, double-blind, parallel trial. Participants will be dosed in clinic and blood and urine samples will be taken over a 12-hour period. Blood and urine samples will also be collected for 48 hours post-dose at check-in visits. Questionnaires regarding drug effects and cognitive function will also be completed following each blood sampling. Participants who consumed the comparator product will be asked to return to the clinic following a wash-out period of at least 45 days to consume the emulsion product in-clinic and complete questionnaires at the same specified time points over a 12-hour period.

NCT ID: NCT04587700 Completed - Cannabis Clinical Trials

Analgesic Consumption in Chronic Marijuana Users Following Orthopedic Trauma Surgery

Start date: September 21, 2020
Phase:
Study type: Observational

Marijuana use has increased since its legalization in Canada and many believe that it may help patients that are experiencing chronic pain. The investigators want to assess if patients who have used marijuana chronically will need more medication to control their pain after they have undergone orthopedic trauma surgery (ex. Hip, femur, humerus fractures etc.). In this study, the investigators will identify chronic marijuana users (ie. those using for 3 months or more) who are undergoing orthopedic trauma surgery to assess how much pain medication they need post-operatively and compare this with non-users. The investigators will also evaluate their pain scores, pain medication use and other complications that they may have during or after their surgeries, including any nausea/vomiting, heart or breathing problems.