Evidence map›Paper›PMID 22037654›Full record

ArticleStrahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al]2011

Dose escalation of radiotherapy for metastatic spinal cord compression (MSCC) in patients with relatively favorable survival prognosis.

Dirk Rades, Annika Panzner, Volker Rudat, Johann H Karstens, Steven E Schild

Abstract read
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In one paragraph

Article in Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al], 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed, 1 pooled it
3.5field-weighted citation impact, top 8% 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

40 citing papers in PubMed, 1 synthesis or guideline pooled it, 91 citations in OpenAlex.

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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

5 authors at 4 institutions in 3 countries.

Dirk RadesDepartment of Radiation Oncology, University of Lubeck, Lubeck, Germany. Rades.Dirk@gmx.net
Annika Panzner
Volker Rudat
Johann H Karstens
Steven E Schild
University of Lübeck · DEMayo Clinic in Arizona · USMedizinische Hochschule Hannover · DESaad Specialist Hospital · SA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeLocal control of metastatic spinal cord compression (MSCC) is particularly important for long-term survivors. Radiotherapy alone is the most common treatment for MSCC. The most frequently used schedule world wide is 30 Gy/10 fractions. This study investigated whether patients with favorable survival prognoses benefit from a dose escalation beyond 30 Gy. PATIENTS AND

methodsData from 191 patients treated with 30 Gy/10 fractions were matched to 191 patients (1:1) receiving higher doses (37.5 Gy/15 fractions or 40 Gy/20 fractions). All patients had favorable survival prognoses based on a validated scoring system and were matched for age, gender, tumor type, performance status, number of involved vertebrae, visceral or other bone metastases, interval from tumor diagnosis to radiotherapy, ambulatory status, and time developing motor deficits. Both groups were compared for local control, progression-free survival, overall survival, and functional outcome.

resultsLocal control rates at 2 years were 71% after 30 Gy and 92% after higher doses (p=0.012). Two-year progression-free survival rates were 68% and 90%, respectively (p=0.013). Two-year overall survival rates were 53% and 68%, respectively (p=0.032). Results maintained significance in the multivariate analyses (Cox proportional hazards model; stratified model) with respect to local control (p=0.011; p=0.012), progression-free survival (p=0.010; p=0.018), and overall survival (p=0.014; p=0.015). Functional outcome was similar in both groups. Motor function improved in 40% of patients after 30 Gy and 41% after higher doses (p=0.98).

conclusionEscalation of the radiation dose beyond 30 Gy resulted in significantly better local control, progression-free survival, and overall survival in patients with favorable survival prognoses.

Indexed as

AgedBreast NeoplasmsDisability EvaluationDisease-Free SurvivalDose Fractionation, RadiationFemaleHumansLung NeoplasmsLymphomaMaleMiddle AgedMultiple MyelomaNeurologic ExaminationProstatic NeoplasmsRadiotherapy DosageRetrospective Studies

Identifiers

PMID22037654
OpenAlexW207419586

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.