A Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Repeated OnabotulinumtoxinA Treatments in Subjects With Crow's Feet Lines and Glabellar Lines
Why this work is in the frame
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Bibliographic record
Abstract
BACKGROUND: This is the third study in a Phase 3 program evaluating onabotulinumtoxinA treatment of crow's feet lines (CFL). OBJECTIVE: To assess the efficacy and safety of repeated onabotulinumtoxinA treatments of CFL alone or with glabellar lines (GL) in subjects with moderate-to-severe CFL and GL (maximum smile). MATERIALS AND METHODS: This 5-month extension of a 7-month study randomized subjects who originally received onabotulinumtoxinA 24 U (CFL only; n = 227) or 44 U (24 U for CFL + 20 U for GL; n = 260) to retreatment with the same dose. Placebo-treated subjects were rerandomized to onabotulinumtoxinA 44 U (n = 101) or placebo (n = 96). Primary efficacy end point (Day 30) was the proportion of subjects who achieved a CFL severity rating of none or mild (maximum smile) on the investigator-assessed Facial Wrinkle Scale (FWS). Additional efficacy end points and adverse events were evaluated. RESULTS: Responder rates (primary end point) were significantly greater in onabotulinumtoxinA-treated groups (24 U: 56.5%; 44 U: 63.6%; placebo: 1.1%; p < .001). Improvements on most patient-reported outcomes (PROs) favored the 44-U group over the 24-U group. Adverse events did not differ among groups; most were mild or moderate. CONCLUSION: Repeated onabotulinumtoxinA treatments significantly reduce CFL severity based on FWS and PROs. Adverse event profiles remain consistent with approved GL labeling.
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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 | 0.002 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.002 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| 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 it