Trial · NCT00996944
Registered outcomes19
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
1 to 19 of 19
Download this page as JSON| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | International Restless Legs Syndrome (IRLS) Rating Scale Total Score at Week 0 and Week 12 | Week 0 and Week 12 | The IRLS rating scale is an investigator-rated scale consisting of 10 questions with a choice of 5 responses each. These responses are numerically scored from 0 (the least severe response) to 4 (the most severe response). The IRLS rating scale total score is calculated by summing the individual response scores. The highest possible score is 40, which represents the most severe RLS; the lowest possible score is 0, which represents an absence of RLS. A total of 17 participants were prematurely withdrawn from the study before Week 12. |
| Primary | IRLS Rating Scale Total Score for Participants Who Withdrew From the Double-Blind Treatment Period (DBT WD) | DBT WD (up to Week 12) | The IRLS rating scale is an investigator-rated scale consisting of 10 questions with a choice of 5 responses each. These responses are numerically scored from 0 (the least severe response) to 4 (the most severe response). The IRLS rating scale total score is calculated by summing the individual response scores. The highest possible score is 40, which represents the most severe RLS; the lowest possible score is 0, which represents an absence of RLS. A total of 17 participants were prematurely withdrawn from the study before Week 12, and 2 participants had missing DBT WD data. |
| Secondary | IRLS Rating Scale Total Score for Participants Who Withdrew in the Long-term Treatment Period (LONG WD) | LONG WD (up to Week 64) | The IRLS rating scale is an investigator-rated scale consisting of 10 questions with a choice of 5 responses each. These responses are numerically scored from 0 (the least severe response) to 4 (the most severe response). The IRLS rating scale total score is calculated by summing the individual response scores. The highest possible score is 40, which represents the most severe RLS; the lowest possible score is 0, which represents an absence of RLS. |
| Secondary | Number of Participants With the Indicated Clinical Global Impression-Improvement (CGI-I) Scores at Week 12 | Week 12 | The CGI-I assesses the participant's improvement or worsening of RLS from baseline with the following eight grades: 0 = Not Assessed, 1 = Very Much Improved, 2 = Much Improved, 3 = Minimally Improved, 4 = No Change, 5 = Minimally Worse, 6 = Much Worse, and 7 = Very Much Worse. |
| Secondary | Number of Participants With the Indicated CGI-I Scores for Participants Who Withdrew From the Double-Blind Treatment Period (DBT WD) | DBT WD (up to Week 12) | The CGI-I assesses the participant's improvement or worsening of RLS from baseline with the following eight grades: 0 = Not Assessed, 1 = Very Much Improved, 2 = Much Improved, 3 = Minimally Improved, 4 = No Change, 5 = Minimally Worse, 6 = Much Worse, and 7 = Very Much Worse. |
| Secondary | Number of Participants With the Indicated CGI-I Scores for Participants Who Withdrew fn the Long-term Treatment Period (LONG WD) | LONG WD (up to Week 64) | The CGI-I assesses the participant's improvement or worsening of RLS from baseline with the following eight grades: 0 = Not Assessed, 1 = Very Much Improved, 2 = Much Improved, 3 = Minimally Improved, 4 = No Change, 5 = Minimally Worse, 6 = Much Worse, and 7 = Very Much Worse. |
| Secondary | Johns Hopkins Restless Legs Syndrome Quality of Life (RLSQOL) Questionnaire Overall Life Impact Score at Week 0 and Week 12 | Week 0 and Week 12 | The RLSQOL questionnaire is a participant-rated questionnaire designed to assess the impact of RLS on the lives of participants. It consists of 18 items, 10 of which contribute to a single summary score (overall life impact). The response for each item is coded from 1 to 5, with 1 representing the best quality of life and 5 representing the worst quality of life. The lowest possible overall life impact score is 0, and the highest possible overall life impact score is 100. The score of 100 represents the best possible quality of life. |
| Secondary | Johns Hopkins RLSQOL Questionnaire Overall Life Impact Score for Participants Who Withdrew From the Double-Blind Treatment Period (DBT WD) | DBT WD (up to Week 12) | The RLSQOL questionnaire is a participant-rated questionnaire designed to assess the impact of RLS on the lives of participants. It consists of 18 items, 10 of which contribute to a single summary score (overall life impact). The response for each item is coded from 1 to 5, with 1 representing the best quality of life and 5 representing the worst quality of life. The lowest possible overall life impact score is 0, and the highest possible overall life impact score is 100. The score of 100 represents the best possible quality of life. |
| Secondary | Johns Hopkins RLSQOL Questionnaire Overall Life Impact Score for Participants Who Withdrew in the Long-term Treatment Period (LONG WD) | LONG WD (up to Week 64) | The RLSQOL questionnaire is a participant-rated questionnaire designed to assess the impact of RLS on the lives of participants. It consists of 18 items, 10 of which contribute to a single summary score (overall life impact). The response for each item is coded from 1 to 5, with 1 representing the best quality of life and 5 representing the worst quality of life. The lowest possible overall life impact score is 0, and the highest possible overall life impact score is 100. The score of 100 represents the best possible quality of life. |
| Secondary | The Pittsburgh Sleep Quality Index (PSQI) Total Score at Week 0 and Week 12 | Week 0 and Week 12 | The PSQI consists of the following 7 domains: sleep quality, duration getting to sleep, sleep duration, sleep adequacy, sleep disturbance, use of sleeping pill, and somnolence. These domains are numerically scored from 0 to 3, with 0 representing the least severe response and 3 representing the most severe response. The PSQI total score is calculated by summing the individual domain scores. The highest possible score is 21, which represents the most disturbances in sleep quality; the lowest possible score is 0, which represents an absence of disturbances in sleep quality. |
| Secondary | The PSQI Total Score for Participants Who Withdrew From the Double-Blind Treatment Period (DBT WD) | DBT WD (up to Week 12) | The PSQI consists of the following 7 domains: sleep quality, duration getting to sleep, sleep duration, sleep adequacy, sleep disturbance, use of sleeping pill, and somnolence. These domains are numerically scored from 0 to 3, with 0 representing the least severe response and 3 representing the most severe response. The PSQI total score is calculated by summing the individual domain scores. The highest possible score is 21, which represents the most disturbances in sleep quality; the lowest possible score is 0, which represents an absence of disturbances in sleep quality. |
| Secondary | The PSQI Total Score for Participants Who Withdrew fn the Long-term Treatment Period (LONG WD) | LONG WD (up to Week 64) | The PSQI consists of the following 7 domains: sleep quality, duration getting to sleep, sleep duration, sleep adequacy, sleep disturbance, use of sleeping pill, and somnolence. These domains are numerically scored from 0 to 3, with 0 representing the least severe response and 3 representing the most severe response. The PSQI total score is calculated by summing the individual domain scores. The highest possible score is 21, which represents the most disturbances in sleep quality; the lowest possible score is 0, which represents an absence of disturbances in sleep quality. |
| Secondary | Number of Participants With the Indicated Responses to the Patient Satisfaction Question at Week 0 and Week 12 | Week 0 and Week 12 | Participants responded to a question about their satisfaction with the IP on the following 1 to 7 scale: 1 = very much satisfied; 2 = satisfied; 3 = somewhat satisfied; 4 = neither satisfied nor dissatisfied; 5 = somewhat dissatisfied; 6 = dissatisfied; and 7 = very dissatisfied. At Week 0, participants responded to a question about their satisfaction with their prior medications. |
| Secondary | Number of Participants With the Indicated Responses to the Patient Satisfaction Question for Participants Who Withdrew fn the Long-term Treatment Period (LONG WD) | LONG WD (up to Week 64) | Participants responded to a question about their satisfaction with the IP on the following 1 to 7 scale: 1 = very much satisfied; 2 = satisfied; 3 = somewhat satisfied; 4 = neither satisfied nor dissatisfied; 5 = somewhat dissatisfied; 6 = dissatisfied; and 7 = very dissatisfied. At Week 0, participants responded to a question about their satisfaction with their prior medications. |
| Secondary | Number of Participants With the Indicated Responses to the Patient Satisfaction Question for Participants Who Withdrew From the Double-Blind Treatment Period (DBT WD) | DBT WD (up to Week 12) | Participants responded to a question about their satisfaction with the IP on the following 1 to 7 scale: 1 = very much satisfied; 2 = satisfied; 3 = somewhat satisfied; 4 = neither satisfied nor dissatisfied; 5 = somewhat dissatisfied; 6 = dissatisfied; and 7 = very dissatisfied. At Week 0, participants responded to a question about their satisfaction with their prior medications. |
| Secondary | Mean Daily Number of Hours of RLS Symptoms by Timeframe at Week 0 and Week 12 | Week 0 and Week 12 | Participants recorded the onset time and total duration of RLS symptoms on their diary cards for 7 days from one week before each visit. Timeframes were defined as follows: daytime, 7:00AM to 4:59PM; evening, 5:00PM to 7:59PM; and nighttime, 8:00PM to 6:59AM. |
| Secondary | Mean Daily Number of Hours of RLS Symptoms by Timeframe for Participants Who Withdrew From the Double-Blind Treatment Period (DBT WD) | DBT WD (up to Week 12) | Participants recorded the onset time and total duration of RLS symptoms on their diary cards for 7 days from one week before each visit. Timeframes were defined as follows: daytime, 7:00AM to 4:59PM; evening, 5:00PM to 7:59PM; and nighttime, 8:00PM to 6:59AM. |
| Secondary | Mean Daily Number of Hours of RLS Symptoms by Timeframe for Participants Who Withdrew fn the Long-term Treatment Period (LONG WD) | LONG WD (up to Week 64) | Participants recorded the onset time and total duration of RLS symptoms on their diary cards for 7 days from one week before each visit. Timeframes were defined as follows: daytime, 7:00AM to 4:59PM; evening, 5:00PM to 7:59PM; and nighttime, 8:00PM to 6:59AM. |
| Secondary | Drug Clearance Rate On-Dialysis and Off-Dialysis During the Maintenance Dose Treatment Phase (in the Long-term Treatment Period) | Week 12 through Week 64 | For on-dialysis analysis, measurements were to have been taken 1 hour before dialysis, in the artery/vein at the beginning, during, and end of dialysis, and 1 hour after dialysis. For off-dialysis analysis, measurements were to have been taken 1 hour before dialysis, at the beginning, during, and end of dialysis, and 1 hour after dialysis. |
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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