Long‐term treatment with darifenacin for overactive bladder: results of a 2‐year, open‐label extension study
Bibliographic record
Abstract
OBJECTIVE: To examine, in a 2-year, non-comparative, open-label extension study, the safety, tolerability and efficacy of darifenacin controlled-release (CR) 7.5/15 mg once daily in patients with overactive bladder (OAB) who completed two 12-week randomized, double-blind, placebo-controlled 'feeder' studies. PATIENTS AND METHODS: Patients entering the extension received darifenacin 7.5 mg once daily for 2 weeks, after which a voluntary increase in dose to 15 mg was permitted. Thereafter, patients could adjust the dose (either 7.5 or 15 mg). Safety and tolerability were assessed from adverse events (AEs) and discontinuations. Efficacy was determined using various endpoints. RESULTS: In all, 716 patients entered the extension (mean age 57.3 years; 85.1% women) and 475 (66.3%) completed it (1089.9 patient-years of exposure). Darifenacin was well tolerated with no significant safety concerns. The most commonly reported AEs were dry mouth and constipation (all-causality rates 23.3% and 20.9%, respectively), leading to discontinuation in 1.3% and 2.4% of patients, respectively. Constipation infrequently required intervention, and analysis of bowel-habit questionnaires revealed that the reporting of constipation was related to minor changes in bowel habit rather than true constipation. The efficacy of darifenacin was maintained, including significant improvements in the number of incontinence episodes/week (median change -84.4% at 2 years, P < 0.001 vs feeder-study baseline). After 2 years, > 40% of patients achieved a > or = 90% reduction in incontinence episodes/week. CONCLUSION: In the first published 2-year, open-label study of a CR antimuscarinic agent, darifenacin 7.5/15 mg once daily had a favourable safety, tolerability and efficacy profile during the long-term treatment of OAB. As such, darifenacin represents a valuable therapeutic option for OAB.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".