Evidence map›Paper›PMID 34992953›Full record

ArticleNeurology. Clinical practice2021

Varenicline for the Treatment of Postural and Gait Dysfunction in Parkinson Disease.

Sachin Kapur, Christina Vaughan, Jacob Hawkins, Glenn Stebbins, Deborah Hall

Open access · greenAbstract read
In one paragraph

Article in Neurology. Clinical practice, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.4field-weighted citation impact, top 35% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed, 5 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. α4β2Annals of neurology · 2021
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Sachin KapurDepartment of Neurological Sciences, Rush University, Department of Neurological Sciences, Chicago, IL.
Christina VaughanDepartment of Neurological Sciences, Rush University, Department of Neurological Sciences, Chicago, IL.
Jacob HawkinsDepartment of Neurological Sciences, Rush University, Department of Neurological Sciences, Chicago, IL.
Glenn StebbinsDepartment of Neurological Sciences, Rush University, Department of Neurological Sciences, Chicago, IL.
Deborah HallDepartment of Neurological Sciences, Rush University, Department of Neurological Sciences, Chicago, IL.
Neurological Surgery · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo determine whether varenicline is effective for the balance in Parkinson disease (PD).

methodsThis was an investigator-initiated, double-blind, placebo-controlled study. Participants with a clinical diagnosis of PD were randomized to receive varenicline or placebo for 8 weeks. After dose escalation, participants took 1 mg of drug twice daily until the end of the study. Patients with severe tremor were excluded. Primary outcome was a change on the Berg Balance Scale (BBS) from baseline to 8 weeks. The BBS is a 14-item measure consisting of basic balance tasks. The study had a secondary, exploratory outcome of a change in cognition, measured with the Frontal Assessment Battery (FAB) and the Mini-Mental State Exam (MMSE) from baseline to 8 weeks. The FAB is a 6-item measure of executive functioning.

resultsThirty-six participants were randomized (82% men, 100% White). Average age was 71.0 years (± 8.1). Average baseline motor Movement Disorder Society Unified Parkinson's Disease Rating Scale was 34.7 (± 11.6). There were no differences between treatment groups on the BBS (F[1,28] = 2.85,

conclusionThe results did not suggest that varenicline had an effect on balance in patients with PD. Furthermore, varenicline did not seem to affect cognition. Perhaps, if an objective measure of balance had been used in place of the BBS, the analysis would show a difference between the groups. However, the authors do not recommend further study. CLASSIFICATION OF EVIDENCE: This study provides Class III evidence that in patients with PD with Hoehn and Yahr stages 2, 3, or 4, varenicline does not improve balance as assessed by the BBS.

Identifiers

PMID34992953
PMCPMC8723959
OpenAlexW3083744114

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.