Clinical Studies and Case Reports

On this site you will find clinical studies with cannabis or single cannabinoids in different diseases and case reports on the use of cannabis by patients.
You may search for diseases (indications), authors, medication, study design (controlled study, open trial, case report etc.) and other criteria.

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TitleAntiemetic efficacy of levonantradol compared to delta-9-tetrahydrocannabinol for chemotherapy-induced nausea and vomiting.
Author(s)Citron ML, Herman TS, Vreeland F, Krasnow SH, Fossieck BE Jr, Harwood S, Franklin R, Cohen MH.
Journal, Volume, IssueCancer Treat Rep. 1985 Jan;69(1):109-12.
Major outcome(s)Levonantradol appears to be at least as effective an antiemetic as THC ; well-tolerated side-effects.
IndicationCancer;Cancer chemotherapyAbstract
MedicationDelta-9-THC;Other cannabinoids

The antiemetic efficacy of im levonantradol, a synthetic cannabinoid, given at a dose of 1 mg every 4 hours, was compared to oral delta-9-tetrahydrocannabinol (THC) given at a dose of 15 mg every 4 hours in a double-blind crossover study. Twenty-six patients receiving emetogenic cancer chemotherapy were evaluated. For each drug, 28% of treated patients had no nausea. The median number of emetic episodes with levonantradol was 2.0 versus 3.0 for THC (P = 0.06). Side effects occurred in 91.7% and 97.3% of levonantradol and THC patients, respectively, with drowsiness and dizziness most commonly seen. Side effects were generally well-tolerated, with only 13.9% of levonantradol and 21.6% of THC patients discontinuing treatment because of side effects. Levonantradol appears to be at least as effective an antiemetic as THC and is the only cannabinoid available for parenteral use.

Dose(s)1 mg every 4 hours / THC: 15 mg every 4 hours
Duration (days)
DesignControlled study
Type of publicationMedical journal
Address of author(s)
Full text

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