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Fig. 1 | Trials

Fig. 1

From: Efficacy of ultra-micronized palmitoylethanolamide (um-PEA) in geriatric patients with chronic pain: study protocol for a series of N-of-1 randomized trials

Fig. 1

SPIRIT Study diagram. W n : week number, D: daily W: weekly. The study duration is 18 weeks. After the baseline assessment at time 0, patients will have two pairs of active drug (3 weeks) and placebo (3 weeks) exposures. Randomly assigned treatment pairs will comprise two treatment periods (active therapy or placebo) separated by a 2-week washout period. Treatment pairs will also be separated by washout periods

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