Clonidine is Better Than Zopiclone for Insomnia Treatment in Chronic Pain Patients

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

150 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-03-01

Study Completion Date

2022-11-05

Brief Summary

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A prospective observational crossover study of 160 consenting adult patients who underwent pain management. For insomnia treatment, each patient ingested different prescribed doses of Zopiclone or Clonidine on alternate nights. Each patient used a special validated sleep diary to collect data including pain score, sleep scores, sleep duration, sleep medication dose, and adverse effects. Each patient completed the diary for 3 continuous weeks. Pain was measured using the numeric pain rating scale. Sleep score was measured using the Likert sleep scale. A change in the pain or sleep scores by 2-points was considered significant.

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Detailed Description

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Objectives: Chronic pain is associated with insomnia. The objective of this clinical study is to compare the efficacy and safety of different prescribed doses of Zopiclone and Clonidine; for the management of insomnia in patients with chronic pain.

Methods: A prospective observational crossover study of 160 consenting adult patients who underwent pain management. For insomnia treatment, each patient ingested different prescribed doses of Zopiclone or Clonidine on alternate nights. Each patient used a special validated sleep diary to collect data including pain score, sleep scores, sleep duration, sleep medication dose, and adverse effects. Each patient completed the diary for 3 continuous weeks. Pain was measured using the numeric pain rating scale. Sleep score was measured using the Likert sleep scale. A change in the pain or sleep scores by 2-points was considered significant. Data were analyzed with IBM® SPSS® Statistics 25 (IBM Corp, Armonk, NY); using Student's t-test, ANOVA, Pearson Chi-square test, and regression analysis. P-value \<0.05 was considered significant.

Conditions

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Insomnia Chronic Pain, Chronic

Study Design

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Observational Model Type

CASE_CROSSOVER

Study Time Perspective

PROSPECTIVE

Study Groups

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Clonidine vs Zopiclone for insomnia

Consecutive adult patients who underwent pain management at a Canadian pain clinic. The patients were subsequently prescribed and provided zopiclone 3.75mg tablet (1-2 tablets per dose), and clonidine 0.1mg tablet (1-2 tablets per dose). They were advised to take either clonidine or zopiclone on alternate nights. For each medication, they alternated the doses of 1 tablet or 2 tablets at subsequent nightly administrations. The four possible medication doses were zopiclone 3.75mg, zopiclone 7.5mg, clonidine 0.1mg, and clonidine 0.2mg; as shown on the sleep diary in Figure 1. The recommended orders of treatment were zopiclone 7.5mg, clonidine 0.1mg, zopiclone 3.75mg, clonidine 0.2mg; or clonidine 0.2mg, zopiclone 3.75mg, clonidine 0.1mg, zopiclone 7.5mg. Each patient participated in the study treatment and completed the sleep diary for 3 continuous weeks. Therefore, each of the four medication doses was used five times by each patient.