Evidence map›Paper›PMID 24261680›Full record

ArticleCough (London, England)2013

Efficacy of cineole in patients suffering from acute bronchitis: a placebo-controlled double-blind trial.

Juergen Fischer, Uwe Dethlefsen

Open access · hybridAbstract read
In one paragraph

Article in Cough (London, England), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed, 2 pooled it
1.4field-weighted citation impact, top 17% 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

32 citing papers in PubMed, 2 syntheses or guidelines pooled it, 78 citations in OpenAlex.

  1. Diagnosis and Treatment of Adult Patients with Cough.Respiration; international review of thoracic diseases · 2025
    Guideline
  2. Bronchitis (acute).BMJ clinical evidence · 2015
    Pooled it
  3. Trial
  4. [Herbal treatment options for post-viral symptoms and long COVID].Wiener medizinische Wochenschrift (1946) · 2026
    Review
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  14. Expression of the Fab enzymes (Fab I and Fab Z) fromJournal of parasitic diseases : official organ of the Indian Society for Parasitology · 2023
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  15. Essential Oils and COVID-19.Molecules (Basel, Switzerland) · 2022
    Review
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  19. Effects ofEvidence-based complementary and alternative medicine : eCAM · 2022
    Article
  20. 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

2 authors at 1 institution in 1 country.

Juergen FischerNorderney Hospital, Kaiserstr, 26, Norderney D-26548, Germany. jfischerp@aol.de.
Uwe Dethlefsen
Energiewerke Nord (Germany) · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveCineole has mucolytic, bronchodilating and anti-inflammatory properties and reduces the exacerbation rate in patients suffering from COPD, as well as ameliorates symptoms in patients suffering from asthma and rhinosinusitis. Based on these effects, we therefore postulated the hypothesis that patients with acute bronchitis would also benefit from therapy with Cineole.

methodsAs part of a double-blind, placebo-controlled, multi-center-study, a total of 242 patients with confirmed acute bronchitis was randomly selected to participate. Over a period of 10 days, all patients were administered 3 x 200 mg of Cineole, or a respective placebo, per day. The primary outcome measure was a Bronchitis Sum Score, which summarises the relevant symptoms of acute bronchitis.

resultsAfter 4 days of treatment it was notable, that the patient group treated with Cineole, showed significantly more improvements of the bronchitis-sum-score than those of the placebo group (p = 0.0383). The statistical significant difference of the individual outcome measures was especially underlined by the frequency of cough fits by p = 0.0001 after 4 days.

conclusionsThe effects of Cineole in the treatment of acute bronchitis were clearly measurable and could be proven after a treatment period of merely 4 days. This study corroborates the fact that Cineole actively and significantly reduces cough frequency after four days. Therefore it has been shown to have a great socioeconomic impact. TRIAL REGISTRATION ISRCTN: ISRCTN37784439.

Identifiers

PMID24261680
PMCPMC3842692
OpenAlexW2068678731

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.