CBD: research and patient questions

Research study

Oral Cannabis Extract for Chemotherapy-Induced Nausea and Vomiting: A Randomized, Placebo-Controlled Phase II/III Trial

A randomised trial in adults who were still being sick during chemotherapy despite already taking the standard anti-sickness medicines.

Research study

Tetrahydrocannabinol and Cannabidiol in Tourette Syndrome

A crossover trial in which 22 people with severe Tourette syndrome took both an oral THC/CBD oil and a placebo, six weeks each.

Research study

Medicinal Cannabis for Symptom Control in Advanced Cancer: A Randomised, Placebo-Controlled Trial of 1:1 THC and CBD

A placebo-controlled trial asking whether a 1:1 THC:CBD oil eased the overall symptom burden of advanced cancer beyond what palliative care already.

Research study

Short-Term Cannabidiol with Δ-9-Tetrahydrocannabinol in Parkinson’s Disease: A Randomized Trial

A short randomised trial of a high-CBD, low-THC oral extract in 61 people with Parkinson's disease, a group who use cannabis often despite thin evidence.

Research study

Preoperative Oral Cannabidiol-Rich Cannabis Extract for Anxiety and Postoperative Pain After Endodontic Treatment

A double-blind trial testing whether a CBD-rich extract taken before a root canal reduced anxiety during the procedure or pain afterwards.

Patient question

Does CBD help with postoperative pain after a root canal?

The one trial that tested exactly this did not find a benefit.

Patient question

Does cannabis help with nausea during chemotherapy?

For nausea that persists despite standard anti-sickness medicine, there is real evidence it helps.

Patient question

Does medical cannabis help with cancer pain? | CED Clinic

This is a very tricky question - with answers that keep changing with different papers and patient reports.

Patient question

Does cannabis help with tics in tourette syndrome?

There is, from a small but carefully designed trial.

Patient question

Does cannabis help with tremor in Parkinson's disease?

For now, less than the enthusiasm suggests.