Trial · NCT01455428
Registered outcomes25
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
1 to 20 of 25
Download this page as JSON| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | Baseline Mean Pain Score | Baseline | The daily pain rating scale (DPRS) consists of an 11-point numeric scale ranging from 0 (no pain) to 10 (worst possible pain). Participants described their pain during the past 24 hours by choosing the appropriate number between 0 and 10. |
| Primary | Change From Baseline in Mean Pain Score at Endpoint | Baseline until end of fixed dose phase (Day 57/Week 8)/Early Termination (Study Endpoint) | The daily pain rating scale (DPRS) consists of an 11-point numeric scale ranging from 0 ("no pain") to 10 ("worst possible pain"). Participants described their pain during the past 24 hours by choosing the appropriate number between 0 and 10. The mean endpoint pain score was obtained from the last 7 available DPRS scores of the daily pain diary while the participant was on study medication, up to and including the day after the last Week 8 (Day 57) dose. |
| Secondary | Change From Baseline in Weekly Mean Pain Score at Weeks 1 to 8 | Baseline and weekly from Weeks 1 to 8 | The DPRS consists of an 11-point numeric scale ranging from 0 ("no pain") to 10 ("worst possible pain"). Participants described their pain during the past 24 hours by choosing the appropriate number between 0 and 10. The weekly mean pain score was the sum of the daily scores divided by the number of diary entries during that week. |
| Secondary | Baseline Mean Sleep Interference Score | Baseline | Pain-related sleep interference was assessed on an 11-point numerical rating scale ranging from 0 (did not interfere with sleep) to 10 (completely interfered \[unable to sleep due to pain\]). Participants were to describe how their pain had interfered with their sleep during the past 24 hours by choosing the appropriate number between 0 and 10. |
| Secondary | Change From Baseline in Mean Sleep Interference Score at Endpoint | Baseline until end of fixed dose phase (Day 57/Week 8)/Early Termination (Study Endpoint) | Pain-related sleep interference was assessed on an 11-point numerical rating scale ranging from 0 (did not interfere with sleep) to 10 (completely interfered \[unable to sleep due to pain\]). Participants were to describe how their pain had interfered with their sleep during the past 24 hours by choosing the appropriate number between 0 and 10. The mean endpoint score was obtained from the last 7 available scores of the daily diary while the participant was on study medication, up to and including the day after the last Week 8 (Day 57) dose. |
| Secondary | Change From Baseline in Weekly Mean Sleep Interference Scores at Weeks 1 to 8 | Baseline and weekly from Weeks 1 to 8 | Pain-related sleep interference was assessed on an 11-point numerical rating scale ranging from 0 (did not interfere with sleep) to 10 (completely interfered \[unable to sleep due to pain\]). Participants were to describe how their pain had interfered with their sleep during the past 24 hours by choosing the appropriate number between 0 and 10. The weekly mean score was the sum of the daily scores divided by the number of diary entries during that week. |
| Secondary | Percentage of 30 Percent (%) Responders at Endpoint | End of fixed dose phase (Day 57/Week 8)/Early Termination (Study Endpoint) | The DPRS consists of an 11-point numeric scale ranging from 0 ("no pain") to 10 ("worst possible pain"). Participants described their pain during the past 24 hours by choosing the appropriate number between 0 and 10. A 30% responder was a participant who had 30% reduction or more in mean pain score at the end of the fixed dose phase (Day 57/Week 8)/Early Termination (Study Endpoint) compared to baseline. |
| Secondary | Change From Baseline in Short Form McGill Pain Questionnaire (SF-MPQ) Score at Weeks 1, 3, 5, and 8 | Baseline; Weeks 1, 3, 5, and 8 | SF-MPQ was assessed according to the participant's answer to the SF-MPQ questionnaire. The score for each composite scale (sensory, affective, and total) was derived by summing the reported intensity value for each item within a particular scale where None=0, Mild=1, Moderate=2, and Severe=3. The sensory score was the sum of the scores of the first 11 pain descriptors (throbbing, shooting, stabbing, sharp, cramping, gnawing, hot-burning, aching, heavy, tender, and splitting) and could range from 0-33. The affective score was the sum of the scores of the last 4 pain descriptors (tiring-exhausting, sickening, fearful, and punishing-cruel) and could range from 0-12. The total score was the sum of the scores of all 15 pain descriptors and could range from 0 to 45. Higher scores indicated greater pain. |
| Secondary | Baseline Pain Visual Analogue Scale (VAS) and Present Pain Intensity (PPI) Scale | Baseline | The VAS was part of the Short Form McGill Pain Questionnaire (SF-MPQ) scale and reflected the overall pain intensity score, The pain VAS was a horizontal line; 100 millimeters (mm) in length, was self-administered by the participant in order to rate pain from 0 (no pain) to 100 (worst possible pain). The PPI was part of the SF-MPQ scale and measured the participant's present pain intensity on a 6-point scale ranging from 0 (no pain) to 5 (excruciating). |
| Secondary | Change From Baseline in Pain VAS From the SF-MPQ at Endpoint | Baseline to Day 57 (Week 8)/Early Termination (Study Endpoint) | The VAS was part of the SF-MPQ scale and reflected the overall pain intensity score. The pain VAS was a horizontal line; 100 mm in length, was self-administered by the participant in order to rate pain from 0 (no pain) to 100 (worst possible pain). |
| Secondary | Change From Baseline in PPI Scale From the SF-MPQ at Endpoint | Baseline to Day 57 (Week 8)/Early Termination (Study Endpoint) | The PPI was part of the SF-MPQ scale and measured the participant's present pain intensity on a 6-point scale ranging from 0 (no pain) to 5 (excruciating). |
| Secondary | Baseline Medical Outcomes Study (MOS)-Sleep Scale Scores | Baseline | The MOS-Sleep Scale was a participant-rated questionnaire consisting of 12 items that assessed key constructs of sleep. Instrument scoring yielded 7 subscales (sleep disturbance, snoring, awaken short of breath or with a headache, quantity of sleep, optimal sleep, sleep adequacy, and somnolence) as well as a 9-item overall sleep problems index. The total score ranged from 0 to 100. With the exception of sleep adequacy, optimal sleep, and quantity, higher scores reflected greater impairment in the MOS-Sleep subscales. The MOS-Sleep Scale was used to evaluate sleep during the previous week. |
| Secondary | Change From Baseline in MOS-Sleep Scale, Sleep Disturbance Score at Endpoint | Baseline and Day 57 (Week 8)/Early Termination (Study Endpoint) | The MOS-Sleep Scale was a participant-rated questionnaire consisting of 12 items that assessed key constructs of sleep. Instrument scoring yielded 7 subscales (sleep disturbance, snoring, awaken short of breath or with a headache, quantity of sleep, optimal sleep, sleep adequacy, and somnolence) as well as a 9-item overall sleep problems index. The total score ranged from 0 to 100. For sleep disturbance, the subscale score also ranged from 0 to 100, with higher scores representing greater sleep disturbance. |
| Secondary | Change From Baseline in MOS-Sleep Scale, Snoring Score at Endpoint | Baseline and Day 57 (Week 8)/Early Termination (Study Endpoint) | The MOS-Sleep Scale was a participant-rated questionnaire consisting of 12 items that assessed key constructs of sleep. Instrument scoring yielded 7 subscales (sleep disturbance, snoring, awaken short of breath or with a headache, quantity of sleep, optimal sleep, sleep adequacy, and somnolence) as well as a 9-item overall sleep problems index. The total score ranged from 0 to 100. The snoring subscale score also ranged from 0 to 100, with lower scores indicating less snoring. |
| Secondary | Change From Baseline in MOS-Sleep Scale, Awaken Short of Breath Score at Endpoint | Baseline and Day 57 (Week 8)/Early Termination (Study Endpoint) | The MOS-Sleep Scale was a participant-rated questionnaire consisting of 12 items that assessed key constructs of sleep. Instrument scoring yielded 7 subscales (sleep disturbance, snoring, awaken short of breath or with a headache, quantity of sleep, optimal sleep, sleep adequacy, and somnolence) as well as a 9-item overall sleep problems index. The total score ranged from 0 to 100. The awaken short of breath subscale also ranged from 0 to 100, with lower scores indicating less difficulty in breathing. |
| Secondary | Change From Baseline in MOS-Sleep Scale, Quantity of Sleep Score at Endpoint | Baseline and Day 57 (Week 8)/Early Termination (Study Endpoint) | The MOS-Sleep Scale was a participant-rated questionnaire consisting of 12 items that assessed key constructs of sleep. Instrument scoring yielded 7 subscales (sleep disturbance, snoring, awaken short of breath or with a headache, quantity of sleep, optimal sleep, sleep adequacy, and somnolence) as well as a 9-item overall sleep problems index. The total score ranged from 0 to 100. The MOS Sleep Quantity sub-scale scores ranged from 0 to 24 (number of hours slept). |
| Secondary | Percentage of Participants Who Had Optimal Sleep at Endpoint | Day 57 (Week 8)/Early Termination (Study Endpoint) | The MOS-Sleep Scale was a participant-rated questionnaire consisting of 12 items that assessed key constructs of sleep. Instrument scoring yielded 7 subscales (sleep disturbance, snoring, awaken short of breath or with a headache, quantity of sleep, optimal sleep, sleep adequacy, and somnolence) as well as a 9-item overall sleep problems index. The total score ranged from 0 to 100. The MOS optimal sleep subscale was a binary outcome derived from the sleep quantity responses: the response was YES if sleep quantity was 7 or 8 hours per night. |
| Secondary | Change From Baseline in MOS-Sleep Scale, Sleep Adequacy Score at Endpoint | Baseline and Day 57 (Week 8)/Early Termination (Study Endpoint) | The MOS-Sleep Scale was a participant-rated questionnaire consisting of 12 items that assessed key constructs of sleep. Instrument scoring yielded 7 subscales (sleep disturbance, snoring, awaken short of breath or with a headache, quantity of sleep, optimal sleep, sleep adequacy, and somnolence) as well as a 9-item overall sleep problems index. The total score ranged from 0 to 100. The sleep adequacy subscale also ranged from 0 to 100, with higher scores indicating greater sleep adequacy. |
| Secondary | Change From Baseline in MOS-Sleep Scale, Somnolence Score at Endpoint | Baseline and Day 57 (Week 8)/Early Termination (Study Endpoint) | The MOS-Sleep Scale was a participant-rated questionnaire consisting of 12 items that assessed key constructs of sleep. Instrument scoring yielded 7 subscales (sleep disturbance, snoring, awaken short of breath or with a headache, quantity of sleep, optimal sleep, sleep adequacy, and somnolence) as well as a 9-item overall sleep problems index. The total score ranged from 0 to 100. The somnolence subscale score also ranged from 0 to 100, with lower scores indicating less somnolence. |
| Secondary | Change From Baseline in MOS-Sleep Scale, Sleep Problems Index Score at Endpoint | Baseline and Day 57 (Week 8)/Early Termination (Study Endpoint) | The MOS-Sleep Scale was a participant-rated questionnaire consisting of 12 items that assessed key constructs of sleep. Instrument scoring yielded 7 subscales (sleep disturbance, snoring, awaken short of breath or with a headache, quantity of sleep, optimal sleep, sleep adequacy, and somnolence) as well as a 9-item overall sleep problems index. The total score ranged from 0 to 100. The sleep problems index subscale score also ranged from 0 to 100, with lower scores indicating fewer sleep problems. |
Source ClinicalTrials.govtrials-2026-11-12-0.5.0
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
- NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
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