Repense is a communication campaign created to encourage debate and reflection on the medical use of marijuana in Brazil.


See the key moments in the history of the medical use of marijuana.

Medicinal use in the world

Which countries use medical marijuana? How?

Scientific evidences

Access research on the therapeutic use of marijuana.


Diagnosis Title Authors Year Medicine Short Result
Multiple sclerosis / spasticity Effect of dronabinol on the progression of progressive multiple sclerosis: a randomized, placebo-controlled study.


Zajicek J, Ball S, Wright D, Vickery J, Nunn A, Miller D, Cano MG, McManus D, Mallik S, Hobart J




Dronabinol (synthetic THC)


Used for 36 months, THC had no effect on disease progression compared to placebo.


Multiple sclerosis / spasticity


Cannabis smoked for spasticity in multiple sclerosis: a randomized, placebo-controlled study.


Corey-Bloom J, Wolfson T, Gamst A, Jin S, Marcotte TD, Bentley H, Gouaux B.


2012 Cannabis in natura


Smoking cannabis was superior to placebo in reducing spasticity and pain.
Chemo Pain


A double-blind, placebo-controlled, cross-over trial using oral cannabinoid extract spray for the treatment of cancer-induced neuropathic pain.


Lynch ME, Cesar-Rittenberg P, Hohmann AG.


2013 Marijuana Extract


Among the five patients, there was a tendency to respond to treatment with cannabis


Nausea and vomiting of cancer chemotherapy


Preliminary study of the efficacy and safety of standard oral extract of Cannabis in nausea and vomiting induced by chemotherapy.


Duran M, Pérez E, Abanades S, Vidal X, Saura C, Majem M, Arriola E, Rabanal M, Pastor A, Farré M, Rams N, Laporte JR, Capellà D.


2010 Marijuana Extract


Cannabis was superior to placebo in reducing nausea and vomiting in patients refractory to other medications.




Chronic cannabidiol administration for healthy volunteers and epileptic patients.


Cunha JM, Carlini EA, Pereira AE, Ramos OL, Pimentel C, Gagliardi R, Sanvito WL, Lander N, Mechoulam R


1980 Canabidiol


Of the eight patients tested, four became seizure free during the study and three showed partial improvement.




Parents’ report on the use of cannabis extract enriched with cannabidiol in the treatment of treatment-resistant epilepsy.


Porter BE, Jacobson C


2013 Canabidiol


84% of the 19 patients evaluated showed improvements in the frequency of seizures.


Latest Posts