. Author manuscript; available in PMC: 2011 Mar 29.

Published in final edited form as: Neuropsychopharmacology. 2008 Aug 6;34(3):672–680. doi: 10.1038/npp.2008.120

Table 1.

Schedule of Clinical Assessments According to Study Phase

	Screen	Baseline	Rx 1	Washout	Rx 2	Washout
DDS pain	√	√^a	√^a	√	√^a	√
VAS pain	√	√	√√√√√	√	√√√√√	√
Daily pain medication record
NP testing, disability, mood and quality of life measures
Treatment safety measures
Chest radiograph	√					√
Blood chemistry, hematology, plasma HIV RNA		√		√		√
CD4 lymphocytes		√				√
Urine toxicology	√	√
Blood THC quantitation^a			√√√√√		√√√√√
Treatment guessing (preservation of blind)			√√√		√√√

Abbreviations: Rx, Treatment Week; DDS, Descriptor Differential Scale; VAS, Visual Analog Scale.

Evaluations used in calculating the measure of primary outcome.

√√√√√ indicates daily evaluations during each treatment week.