Evidence map›Paper›PMID 29915913›Full record

Observational studyThe journal of headache and pain2018

OnabotulinumtoxinA in the treatment of refractory chronic cluster headache.

Christian Lampl, Mirjam Rudolph, Elisabeth Bräutigam

Abstract readObservational Study
In one paragraph

Observational study in The journal of headache and pain, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

14 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Hallmarks of primary headache: part 3 - cluster headache.The journal of headache and pain · 2025
    Review
  3. Review
  4. Review
  5. Review
  6. Review
  7. Article
  8. Review
  9. Article
  10. Article
  11. The fifth cranial nerve in headaches.The journal of headache and pain · 2020
    Review
  12. Review
  13. Review
  14. Migraine and cluster headache - the common link.The journal of headache and pain · 2018
    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

3 authors.

Christian LamplHeadache Medical Center, Ordensklinikum Linz Barmherzige Schwestern, Linz, Austria. christian.lampl@ordensklinikum.at.ORCID http://orcid.org/0000-0003-4340-3486
Mirjam RudolphHeadache Medical Center, Ordensklinikum Linz Barmherzige Schwestern, Linz, Austria.
Elisabeth BräutigamHeadache Medical Center, Department of Radio-Oncology, Ordensklinikum Linz Barmherzige Schwestern, Linz, Austria.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCluster headache (CH) is a clinically well-defined primary headache disorder, approximately 20% of cluster headache sufferers experience recurrent attacks without periods of significant remission. For the treatment of chronic cluster headache (CCH) only limited therapeutic options are available.

methodsA potential refractory CCH patient group was identified according to the clinical definition of rCCH based on the consensus statement of the European Headache Federation (EHF). Treatment with OnabotulinumtoxinA (BoNT-A; Botox®, 150 Allergan IU) was done according to the PREEMPT study protocol. A standardized headache diary was used for recording frequency, duration of attacks and pain intensity. To assess personal burden the HIT-6 and the Hospital Anxiety and Depression scale was used. Primary outcome measure was a > 50% reduction in headache minutes.

resultsSeventeen male patients suffering from rCCH, aged 32 ± 11 (mean ± SD) years, presenting a mean disease duration of 6.6 years completed the study of 28 weeks. The cut-off point of > 50% reduction in headache minutes as positive result was reached in 58.8%, 29.4% experienced an improvement of 30-50%. Mean frequency of headache days dropped from 28.2 to 11.8 days at week 24 (p = 0.0001; 95% CI -21.33 to - 11.61;). Intensity of remaining attacks was also reduced significantly. Headache disability scores showed a trend to improvement after BoNT-A.

conclusionsEncouraging results for the treatment with BoNT-A in rCCH patients were observed in our study population.

Indexed as

Acetylcholine Release InhibitorsAdultAgedBotulinum Toxins, Type ACluster HeadacheConsensusHeadache DisordersHumansMaleMiddle AgedTreatment OutcomeYoung AdultAcetylcholine Release InhibitorsBotulinum Toxins, Type ACluster headacheHeadacheOnabotulinumtoxin aProphylactic treatmentRefractoriness

Identifiers

PMID29915913
PMCPMC6006000

What OpenQuestion holds

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LicenceCC BY
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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.