clonidine and Chronic Pain

clonidine has been researched along with Chronic Pain in 21 studies

Clonidine: An imidazoline sympatholytic agent that stimulates ALPHA-2 ADRENERGIC RECEPTORS and central IMIDAZOLINE RECEPTORS. It is commonly used in the management of HYPERTENSION.
clonidine (amino form) : A clonidine that is 4,5-dihydro-1H-imidazol-2-amine in which one of the amino hydrogens is replaced by a 2,6-dichlorophenyl group.

Chronic Pain: Aching sensation that persists for more than a few months. It may or may not be associated with trauma or disease, and may persist after the initial injury has healed. Its localization, character, and timing are more vague than with acute pain.

Research

Studies (21)

Authors

Clinical Trials (6)

Trial Overview

Trial Outcomes

Change From Baseline in the Brief Pain Inventory (BPI) Severity Scale at Week 12; mLOCF Imputation

"The Brief Pain Inventory was completed by the subject at clinic visits. The Severity Scale (of 0 to 40) is a composite score, which is the sum of the individual ratings for worst pain, least pain, average pain, and current pain. Each individual question is rated on a scale of 0 to 10, where 0 indicates No Pain and 10 indicates Pain as bad as you can imagine. The change in pain severity is represented as Week 12 minus Baseline, so greater negative numbers represent greater improvement (pain relief)." (NCT00695565)
Timeframe: Baseline and Week 12

Change From Baseline in the Brief Pain Inventory Functional Interference Scale at Week 12; mLOCF Imputation

"The Brief Pain Inventory was completed by the subject at clinic visits. The Functional Interference Scale (of 0 to 70) is a composite score that measures the degree to which pain interferes with mood, walking, work, relationships, sleep, general activity, and enjoyment of life. The composite score is a sum of the seven individual question scores. Each individual question is rated in reference to pain over the past 24 hours on a scale of 0 to 10, where 0 indicates that pain does not interfere and 10 indicates that pain completely interferes with that function, so lower scores represent better outcomes on this scale.~The change in functional interference is represented as Week 12 minus Baseline, so greater negative numbers represent more improvement." (NCT00695565)
Timeframe: Baseline and Week 12

Change From Baseline to Week 12 in Overall Quality of Sleep (Chronic Pain Sleep Inventory)

Subjects rated overall quality of sleep over the past week using a 100 mm Visual Analog Scale (VAS) where 100=Excellent and 0=Very Poor. This scale was completed during clinic visits. Change from Baseline is a positive value where quality of sleep improved. (NCT00695565)
Timeframe: Baseline and Week 12

Change From Baseline to Week 12 in the Anxiety Score of the Hospital Anxiety and Depression Scale (HADS)

The HADS was completed at the Baseline and Week 12 clinic visits. The Anxiety Score component of the HADS includes 7 questions, each with 4 possible answer choices (rated 0 to 3). The composite score is created by adding the scores of the 7 individual questions. A score of 0 to 7 is Normal, 8-10 indicates Mild Anxiety, 11-14 indicates Moderate Anxiety, and 15-21 indicates Severe Anxiety. The change from Baseline is calculated as the Week 12 composite score minus the Baseline composite score. (NCT00695565)
Timeframe: Baseline and Week 12

Change From Baseline to Week 12 in the Depression Score of the Hospital Anxiety and Depression Scale (HADS)

The HADS was completed at the Baseline and Week 12 clinic visits. The Depression Score component of the HADS includes 7 questions, each with 4 possible answer choices (rated 0 to 3). The composite score is created by adding the scores of the 7 individual questions. A score of 0 to 7 is Normal, 8-10 indicates Mild Depression, 11-14 indicates Moderate Depression, and 15-21 indicates Severe Depression. The change from Baseline is calculated as the Week 12 composite score minus the Baseline composite score. (NCT00695565)
Timeframe: Baseline and Week 12

Change From Baseline to Week 12 in the McGill Pain Questionnaire (Short Form) Total Score

The McGill Pain Questionnaire asks subjects to rate 15 different kinds of pain, each on a scale of 0 to 3 (0=None, 1=Mild, 2=Moderate, 3=Severe). The total score is a sum of the individual ratings and has a range from 0 to 45, where higher numbers indicate more pain. The 15 types of pain assessed are throbbing, shooting, stabbing, sharp, cramping, gnawing, hot-burning, aching, heavy, tender, splitting, tiring-exhausting, sickening, fearful, and punishing-cruel. This scale was completed at the Baseline and Week 12 clinic visits. The change from Baseline is calculated as the Week 12 total score minus the Baseline total score, so greater negative numbers indicate more improvement (pain relief). (NCT00695565)
Timeframe: Baseline and Week 12

Change From Baseline to Week 12 in the Worst Daily Pain NPRS Score; mLOCF Imputation

"Pain in the feet was scored daily at bedtime by the subject on a 0-10 numeric pain rating scale. Subjects were asked to record the worst pain in their feet over the past 24 hours. A score of 0 indicated no pain and a score of 10 was worst possible pain. The change in pain is represented as Week 12 minus Baseline, so greater negative numbers represent greater improvement (greater pain relief)." (NCT00695565)
Timeframe: Baseline (average of Days -7 to -1) and Week 12 (average of Days 78 to 84)

Percentage of Subjects Who Experience at Least 30% Reduction in Average Daily Pain From Baseline; mLOCF Imputation

"Pain in the feet was scored daily at bedtime by the subject on a 0-10 numeric pain rating scale (NPRS). Subjects were asked to record average pain in the feet over the past 24 hours. A score of 0 indicated no pain and a score of 10 was worst possible pain." (NCT00695565)
Timeframe: Baseline (average of Days -7 to -1) and Week 12 (average of Days 78 to 84)

Percentage of Subjects Who Experience at Least 50% Reduction in Average Daily Pain From Baseline; mLOCF Imputation

"Pain in the feet was scored daily at bedtime by the subject on a 0-10 numeric pain rating scale (NPRS). Subjects were asked to record average pain in the feet over the past 24 hours. A score of 0 indicated no pain and a score of 10 was worst possible pain." (NCT00695565)
Timeframe: Baseline (average of Days -7 to -1) and Week 12 (average of Days 78 to 84)

Change From Baseline in Average Daily Pain NPRS Score for Each Week of Treatment; mLOCF Imputation

"Pain in the feet was scored daily at bedtime by the subject on a 0-10 numeric pain rating scale (NPRS). Subjects were asked to record average pain in the feet over the past 24 hours. A score of 0 indicated no pain and a score of 10 was worst possible pain. A weekly average was calculated from the daily scores for each week. The change in pain is represented as the average weekly score minus Baseline, so greater negative numbers represent more improvement (more pain relief)." (NCT00695565)
Timeframe: Baseline (average of Days -7 to -1) and Weeks 1 through 12 (weekly averages)

Change From Baseline to Week 12 in the Average Daily Pain NPRS (Numeric Pain Rating Scale) Score; mLOCF Imputation

"Pain in the feet was scored daily at bedtime by the subject on a 0-10 numeric pain rating scale (NPRS) through Day 84. Subjects were asked to record average pain in the feet over the past 24 hours. A score of 0 indicated no pain and a score of 10 was worst possible pain.~The change in pain is represented as Week 12 minus Baseline, so greater negative numbers represent more improvement (more pain relief)." (NCT00695565)
Timeframe: Baseline (average of Days -7 to -1) and Week 12 (Average of Days 78 to 84)

Change in Blood Pressure From Baseline to Week 12

Systolic and Diastolic Blood Pressure were measured at clinic visits. This outcome assesses the change in blood pressure from Baseline to Week 12 of treatment. (NCT00695565)
Timeframe: Baseline and Week 12

Clinician Global Impression of Change (CGIC) at Week 12

At Week 12, the Investigator was asked to independently rate the subject's total improvement relative to Baseline, whether or not, in their judgement, it was due entirely to study drug treatment or not. Answer choices were: (+3) very much improved, (+2) much improved, (+1) minimally improved, (0) no change, (-1) minimally worse, (-2) much worse, (-3) very much worse. (NCT00695565)
Timeframe: Week 12

Patient Global Impression of Change (PGIC) at Week 12

At Week 12 the subject was asked to rate their total improvement relative to Baseline, whether or not, in their judgement, it was due entirely to study drug treatment or not. Answer choices were: (+3) very much improved, (+2) much improved, (+1) minimally improved, (0) no change, (-1) minimally worse, (-2) much worse, (-3) very much worse. (NCT00695565)
Timeframe: Week 12

Change From Baseline to Day 84 (Week 12) in Numeric Pain Rating Scale Score

"The Numeric Pain Rating Scale is a single reading that measures the patients interpretation of their pain on a scale from 0, no pain to 10, worst pain imaginable. The change from baseline can range from -10 to 10. The change from Baseline (averaged over Day -14 to Day -8) to End-of-Treatment (averaged over Days 78 to 84 [±3 days]) in the Numeric Pain Rating Scale score assessing the average pain in the past 24 hours in the painful areas of the feet averaged over Days 78 to 84 compared to the 7 days at the Baseline Phase (Days -14 to -8). For the primary efficacy endpoint, the mean change in pain intensity from Baseline to Week 12 was analyzed using an analysis of covariance (ANCOVA) model with the Baseline pain intensity score serving as a covariate. The statistical model also included treatment, site, site by treatment interaction, and strata. If the site by treatment interaction term was not significant at the 0.1 level, then it was excluded from the model." (NCT02068027)
Timeframe: The change from Baseline (averaged over Day -14 to Day -8) to End-of-Treatment (averaged over Days 78 to 84 [±3 days])

Mean Daily Worst Pain Intensity Numeric Pain Rating Scale Scores

"The Numeric Pain Rating Scale is a single reading that measures the patients interpretation of their pain on a scale from 0, no pain to 10, worst pain imaginable. The change from baseline can range from -10 to 10. The change from Baseline (worst score from Day -14 to Day -8) to End-of-Treatment (worst score during Days 78 to 84 [±3 days]) in the Numeric Pain Rating Scale score assessing the worst pain in the past 24 hours in the painful areas of the feet from Days 78 to 84 compared to the 7 days at the Baseline Phase (Days -14 to -8). For the endpoint, the change in worst pain intensity from Baseline to Week 12 was analyzed using an analysis of covariance (ANCOVA) model with the Baseline worst pain intensity score serving as a covariate. The statistical model also included treatment, site, site by treatment interaction, and strata. If the site by treatment interaction term was not significant at the 0.1 level, then it was excluded from the model." (NCT02068027)
Timeframe: The change from Baseline (worse over Day -14 to Day -8) to End-of-Treatment (worse over Days 78 to 84 [±3 days])

Reviews

8 reviews available for clonidine and Chronic Pain

Trials

4 trials available for clonidine and Chronic Pain

Other Studies

9 other studies available for clonidine and Chronic Pain