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NCT01562548 · ClinicalTrials.gov registry record · NA

Exploratory Efficacy Study of Guaifenesin in Upper Back Pain

A NA study, sponsored by GlaxoSmithKline.

Completed
Registry status
NA
Development phase
78
Enrollment target

NCT01562548: Completed NA study, sponsored by GlaxoSmithKline.

NCT01562548 is a NA study that has completed, run by GlaxoSmithKline. The registered enrollment target is 78 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (94% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01562548, a NA study, has completed, sponsored by GlaxoSmithKline.

COMPLETED
Registry status
NA
Development phase
78 participants
Enrollment target

Study Summary

Explore the clinical efficacy of 7-day treatment regimens of guaifenesin in order to investigate the evidence that guaifenesin is an effective treatment for upper back/neck/shoulder muscle spasm/stiffness and pain.

Primary Outcome

The score was measured as 'assessment at baseline' minus 'assessment after treatment' over 7 day period (mean of all AM and PM changes from baseline). Measurements were based on an 11 categorical Numerical Rating Scale (NRS) with a range from 0 - no spasm to 10 - unbearable spasm.

Interventions

  • DRUG Placebo
  • DRUG Guaifenesin

Trial Details

FieldValue
Enrollment Target 78 participants
Start Date 2012-02
Est. Completion 2013-05
Phase NA
GlaxoSmithKline

1,345 total trials

What the finished NCT01562548 record still lists

NCT01562548 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 78 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (94% lower).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT01562548 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01562548 about?

NCT01562548 is a clinical study titled "Exploratory Efficacy Study of Guaifenesin in Upper Back Pain". Explore the clinical efficacy of 7-day treatment regimens of guaifenesin in order to investigate the evidence that guaifenesin is an effective treatment for upper back/neck/shoulder muscle spasm/stiffness and pain.

What is the current status of trial NCT01562548?

This trial is currently completed. It is a NA study. The enrollment target is 78 participants. The study started on 2012-02. Estimated completion is 2013-05.

What interventions are being tested in trial NCT01562548?

The interventions under investigation include: Placebo (DRUG), Guaifenesin (DRUG).

Who is sponsoring clinical trial NCT01562548?

This trial is sponsored by GlaxoSmithKline, which has 1,345 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01562548's enrollment target sits among peer trials

78 1060th of 2000 higher than 939 of 2,000 other NA trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01562548, the US trial registry maintained by the National Library of Medicine. NCT01562548 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.