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. Author manuscript; available in PMC: 2021 Aug 2.
Published in final edited form as: Clin Exp Ophthalmol. 2019 Dec 6;48(2):230–239. doi: 10.1111/ceo.13687

Table 1:

Patient, medication history, subjective responses and scale results

Delta-9-THC (Dronabinol)12 THC & CBD3 CBD14,15 Nabilone13
Patient characteristics Condition Blepharospasm Blepharospasm Blepharospasm Blepharospasm Blepharospasm Blepharospasm Meige syndrome Primary dystonia (15 patients)
Age 56 60 54 61 72 60 42 28 to 63
Sex Female Female Male Female Male Female Male 6 males, 9 females
Daily dose prescribed 1st script: 10 mg 2nd script: 30 mg 3rd script: 10-5-15mg paradigm 5 mg THC, 95 mg CBD 10 mg THC, 10 mg CBD 1st script: 5 mg THC, 5 mg CBD
2nd script: 4 mg THC, 1 mg CBD
1st script: 5 mg THC
2nd script: 8 mg THC, 2 mg CBD
Up to 10 mg THC, 10 mg CBD 300/400 mg ** Single dose: 0.03 mg/kg to the nearest whole mg
Duration of cannabis use Total duration: 16 weeks 8 weeks 2 weeks 12 weeks 12 weeks 8 weeks 6 weeks NA
Over 2 weeks After 5 weeks, clinical stable state reached
Side effects None Vertigo Reduction of vertigo None Sleep disturbance Sleep disturbance Sporadic headaches Lightheadedness Hypotension
Dry Mouth
Lightheadedness
2/15 patients: hypotension and pronounced sedation
Subjective Symptomatic Improvement (Yes/No) No Yes Yes NA: Patient discontinued the treatment after two weeks. Yes No Yes Yes No: 4/15 patients experienced subjective improvement 2–3 days after administration
Symptom Scorea NRS: 8.5–10 NRS: 3–5 Pre
BSDIS: 3
BSDIF: 3
JRF: 10
NA Pre
BSDIS: 3
BSDIF: 3
JRF: 14
Pre
BSDIS: 4
BSDIF: 4
JRF: 13
NA Baseline DS: 29
Max. DS: 120
Maximal improvement: 40%
Median total movement DSs over 180 min placebo:
• 70.5 (range, 11–216) for nabilone
• 81 (range, 8–209) for placebo
Post
BSDIS: 2
BSDIF: 1
JRF: 6
Post
BSDIS: 2
BSDIF: 3
JRF: 12
Post
BSDIS: 4
BSDIF: 4
JRF: 8
Reason for discontinuation NA Costs Success of botulinum therapy NA No improvement noted ER admission twice due to lightheadedness NA 2/15 patients withdrawn due to side effects

Abbreviations of the symptom score scales

• NRS: Numerical Rating Scale (0–10)

• BSDIS: Blepharospasm Disability Index Severity (0–4)

• BSDIF: Blepharospasm Disability Index Frequency (0–4)

• JRS: Jankovic Rating Scale (0–24)

• DS: Dystonia Score following the Burke, Fahn, Marsden dystonia scale

• Pre: Pre-cannabis therapy blepharospasm scale results

• Post: Post-cannabis therapy blepharospasm scale results