Evidence map›Paper›PMID 34844641›Full record

ArticleTrials2021

Prevention of leg cramps by using compression stockings or magnesium supplements in the 50-84 age group: study protocol for a randomised controlled trial.

Jenni Joensuu, Pertti P Mustajoki, Pekka K Mustonen, Minna Kaila, Tuomas Koskela

Registry-linked trialOpen access · goldAbstract readClinical Trial Protocol
In one paragraph

Article in Trials, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04694417 (Prevention of Leg Cramps Using Compression Stockings or Magnesium Supplements in the Age Group of 50 to 84), which is not on this map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.1field-weighted citation impact, top 51% 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.

NCT04694417 naunknown statusnot on this map

Prevention of Leg Cramps Using Compression Stockings or Magnesium Supplements in the Age Group of 50 to 84: a Study Protocol for a Randomised Controlled Trial

TypeinterventionalSponsorTampere University HospitalRan2021 to 2021Enrolled225ConditionsMuscle Cramp, Stockings, Compression, MagnesiumArmsCompression stocking, Magnesium tablet, Placebo tablet
3 · Its place in the literature

Who cites it

2 citing papers in PubMed, 2 citations in OpenAlex.

  1. Trial
  2. Review
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 4 institutions in 1 country.

Jenni JoensuuTampere University, Tampere, Finland. jenni.joensuu@tuni.fi.ORCID http://orcid.org/0000-0001-8331-6390
Pertti P MustajokiUniversity Central Hospital of Helsinki, Helsinki, Finland.
Pekka K MustonenThe Finnish Medical Society Duodecim, Helsinki, Finland.
Minna KailaUniversity of Helsinki, Helsinki, Finland.
Tuomas KoskelaTampere University, Tampere, Finland.
Tampere University · FIFinnish Medical Society Duodecim · FIHelsinki University Hospital · FIUniversity of Helsinki · FI

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundLeg cramps are painful sensations of tightening in the muscles of the legs that commonly appear during the night and are often associated with secondary insomnia. They are common especially in older age. There is no evidence that any method of prevention of nocturnal leg cramps is both safe and effective. There are no previous trials concerning cramp prevention by using compression stockings. The objective of this study is to assess in a prospective randomised controlled trial whether leg cramps can be prevented by the daily use of knee-length compression stockings or magnesium supplements.

methodsThe study will be set in Finland, and 50-84-year-old volunteers will be recruited through Google Ads, the Finnish health library website and Finnish primary health care centres. The participants must have a minimum of two episodes of leg cramps per week for the past 4 weeks to be included in the study. The participants (n = 225) will be allocated to three equal groups: the compression stocking arm, the magnesium supplement arm and the placebo arm. The participants will go through 4 weeks of follow-up without intervention and then another 4 weeks of follow-up with the assigned intervention. The material for the study will be collected through electronic questionnaires. DISCUSSION: This protocol describes a study that compares compression stockings, magnesium supplements and placebo for the prevention of leg cramps. The results of this study can significantly improve knowledge on the methods of preventing leg cramps.

trial registrationClinicalTrials.gov NCT04694417. Registered on Jan 4, 2021.

Indexed as

MagnesiumMuscle CrampAgedAged, 80 and overHumansLegMiddle AgedProspective StudiesRandomized Controlled Trials as TopicStockings, CompressionMagnesiumCompressionMagnesiumMuscle crampStockings

Identifiers

PMID34844641
PMCPMC8628416
OpenAlexW3216162957

What OpenQuestion holds

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Registered trials

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.