Evidence map›Paper›PMID 27564260›Full record

ArticleOncotarget2016

5-ALA fluorescence of cerebral metastases and its impact for the local-in-brain progression.

Marcel A Kamp, Igor Fischer, Julia Bühner, Bernd Turowski, Jan Frederick Cornelius, Hans-Jakob Steiger, Marion Rapp, Philipp J Slotty, Michael Sabel

Registry-linked trialOpen access · diamondAbstract read
In one paragraph

Article in Oncotarget, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05850377 (5-Aminolevulinic Acid), which is not on this map. Cited by 43 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed, 1 pooled it
7.9field-weighted citation impact, top 2% 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.

NCT05850377 unknown statusnot on this mapstarted 2023, after this paper: background citation

5-Aminolevulinic Acid (5-ALA) Gliolan®: Usage Increase Proposal for Neurosurgical Procedures in High-Grade Gliomas

TypeobservationalSponsorSociedad de Lucha Contra el Cáncer del EcuadorRan2023 to 2026Enrolled90ConditionsHigh Grade Glioma, Glioma, Glioma, Malignant, Neoplasms, NeuroepithelialArms5-Aminolevulinic Acid (5-ALA) Gliolan®, Fluorescence-Guided Surgery using 5-aminolevulinic acid (5-ALA)
3 · Its place in the literature

Who cites it

43 citing papers in PubMed, 1 synthesis or guideline pooled it, 82 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Image-Guided Brain Tumor Surgery.Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer · 2026
    Review
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  5. Article
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  7. Article
  8. Article
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  13. Revisiting the Role of Surgical Resection for Brain Metastasis.Brain tumor research and treatment · 2023
    Review
  14. Review
  15. Article
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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

9 authors at 1 institution in 1 country.

Marcel A KampDepartment of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Düsseldorf, D-40225 Düsseldorf, Germany.
Igor FischerDivision of Informatics and Statistics, Department of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Düsseldorf, D-40225 Düsseldorf, Germany.
Julia BühnerDepartment of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Düsseldorf, D-40225 Düsseldorf, Germany.
Bernd TurowskiInstitute for Diagnostic and Interventional Radiology, Medical Faculty, Heinrich-Heine-University, Düsseldorf, D-40225 Düsseldorf, Germany.
Jan Frederick CorneliusDepartment of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Düsseldorf, D-40225 Düsseldorf, Germany.
Hans-Jakob SteigerDepartment of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Düsseldorf, D-40225 Düsseldorf, Germany.
Marion RappDepartment of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Düsseldorf, D-40225 Düsseldorf, Germany.
Philipp J SlottyDepartment of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Düsseldorf, D-40225 Düsseldorf, Germany.
Michael SabelDepartment of Neurosurgery, Medical Faculty, Heinrich-Heine-University, Düsseldorf, D-40225 Düsseldorf, Germany.
Heinrich Heine University Düsseldorf · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Aim of the present study was to analyze the oncological impact of 5-ALA fluorescence of cerebral metastases. A retrospective analysis was performed for 84 patients who underwent 5-ALA fluorescence-guided surgery of a cerebral metastasis. Dichotomized fluorescence behavior was correlated to the histopathological subtype and primary site of the metastases, the degree of surgical resection on an early postoperative MRI within 72 hours after surgery, the local in-brain-progression rate and the overall survival. 34/84 metastases (40.5%) showed either strong or faint and 50 metastases (59.5%) no 5-ALA derived fluorescence. Neither the primary site of the cerebral metastases nor their subtype correlated with fluorescence behavior. The dichotomized 5-ALA fluorescence (yes vs. no) had no statistical influence on the degree of surgical resection. Local in-brain progression within or at the border of the resection cavity was observed in 26 patients (30.9%). A significant correlation between 5-ALA fluorescence and local in-brain-progression rate was observed and patients with 5-ALA-negative metastases had a significant higher risk of local recurrence compared to patients with 5-ALA positive metastases. After exclusion of the 20 patients without any form of adjuvant radiation therapy, there was a trend towards a relation of the 5-ALA behavior on the local recurrence rate and the time to local recurrence, although results did not reach significance anymore. Absence of 5-ALA-induced fluorescence may be a risk factor for local in-brain-progression but did not influence the mean overall survival. Therefore, the dichotomized 5-ALA fluorescence pattern might be an indicator for a more aggressive tumor.

Indexed as

AdultAgedAged, 80 and overAminolevulinic AcidBrainBrain NeoplasmsDisease ProgressionFemaleFluorescenceHumansKaplan-Meier EstimateMagnetic Resonance ImagingMaleMiddle AgedRetrospective StudiesSurgery, Computer-AssistedAminolevulinic Acid5-aminolevulinic acidcerebral metastasesin-brain-progressionoverall survivalrecurrence

Identifiers

PMID27564260
PMCPMC5341837
OpenAlexW2517988891

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.