Tetrahydrocannabinol (Delta 9-THC) Treatment in Chronic Central Neuropathic Pain and Fibromyalgia Patients: Results of a Multicenter Survey

Table 2

Medication administered to the patients before and during/after delta 9-THC therapy. A substantial reduction of the medication within each group, that is, nonopioids, opioids, or nonanalgesics (primarily antidepressants and anticonvulsants), could be recorded during the treatment with delta 9-THC.

	Before delta 9-THC therapy			During/after delta 9-THC therapy
Comedication		Number of patients	%	Number of patients	%
Nonopioids	NSAID	60	48	7	5.6
	COX2-inhibitors	34	27	7	5.6
	Paracetamol	29	23	3	2.4
	Metamizole	44	35	10	8.1
	Flupirtin	37	30	7	5.6
	others	14	11	2	1.6
Opioids	Tramadol	35	28	2	1.6
	Naloxone	36	29	5	4
	Buprenorphin/fentanyl	15	12	5	4
	Morphin	22	18	7	5.6
	Hydromorphone	17	14	10	8.1
	Oxycodone	13	10	5	4
	Others	6	5	5	4
Nonanalgesics	Antidepressants	68	55	18	14.5
	Anticonvulsants	40	32	18	14.5
	Corticosteroids	19	15	6	4.8
	NMDA-antagonists	5	4	5	4
	Others	21	17	7	5.6