ArticleMovement disorders clinical practice2023
Conversion to AbobotulinumtoxinA Increases Waning Time and Efficacy for Cervical Dystonia.
Article in Movement disorders clinical practice, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06886750 (Investigation of Waning Time in Patients With Cervical Dystonia Converted to Botulinum Toxin A), which is not on this map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Investigation of Waning Time in Patients With Cervical Dystonia Converted to Botulinum Toxin A
Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Article
- Switching adult patients with spasticity from onabotulinumtoxinA to abobotulinumtoxinA: a real-world data analysis across three US-based treatment centers.Journal of comparative effectiveness research · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Symptom re-emergence before re-injection negatively impacts cervical dystonia (CD) patients receiving botulinum toxin type A (BoNT-A) therapy. Longer waning time is associated with abobotulinumtoxinA (abo-BoNT-A) as compared to onabotulinumtoxinA (ona-BoNT-A)/incobotulinumtoxinA (inco-BoNT-A) formulations. Objectives: To compare waning time and treatment outcomes when chronically injected CD patients experiencing early waning despite being optimized on BoNT-A (ona-BoNT-A/inco-BoNT-A) were converted to abo-BoNT-A. Methods: Thirty-three chronically injected CD participants with a waning time of ≤8 weeks were converted to abo-BoNT-A (1:2.5 dose ratio) for three injections every 12-weeks. The second and third injection patterns were kinematically optimized. Participants were converted back to their original BoNT-A for the fourth injection (1:2.5) using the same third abo-BoNT-A pattern. Participant-perceived waning times were collected post-injections. Clinical scales (Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS)) and kinematic measures were collected 12-weeks post-injection and at three peak effect time-points. Results: Compared to baseline, waning time (12-22 days) significantly increased following all abo-BoNT-A treatments ( Conclusions: Optimized patients experiencing waning had significant improvement in the peak benefit as well as the duration of effect when converted to abo-BoNT-A. This effect was toxin dependent as reconversion to the original BoNT-A using the kinematically optimized pattern failed to produce an improvement in waning.
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Registered trials
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