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 |
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| 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of botulinum therapy | NA | No improvement noted | ER admission twice due to lightheadedness | NA | 2/15 patients withdrawn due to side effects | |||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