Evidence map›Paper›PMID 21327479›Full record

ArticleJournal of inherited metabolic disease2011

Treatment of mucopolysaccharidosis type II (Hunter syndrome) with idursulfase: the relevance of clinical trial end points.

Emma Glamuzina, Emma Fettes, Katie Bainbridge, Victoria Crook, Niamh Finnegan, Lara Abulhoul, Ashok Vellodi

Abstract readEvaluation Study
PubMed Publisher
In one paragraph

Article in Journal of inherited metabolic disease, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 2 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, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Treatment of mucopolysaccharidosis type II (Hunter syndrome): results from a systematic evidence review.Genetics in medicine : official journal of the American College of Medical Genetics · 2017
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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

7 authors.

Emma GlamuzinaMetabolic Department, 5th floor, Southwood Building, Great Ormond Street Hospital for Children, London WC1N 3JH, United Kingdom. glamue@gosh.nhs.uk
Emma Fettes
Katie Bainbridge
Victoria Crook
Niamh Finnegan
Lara Abulhoul
Ashok Vellodi

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The current treatment of mucopolysaccharidosis type II (MPS II, Hunter syndrome) is enzyme replacement therapy with recombinant idursulfase (Elaprase®). The efficacy of ERT was established based primarily on reduction in urine glycosaminoglycans:creatinine (GAG:Cr) ratio and improvement in a composite score of predicted forced vital capacity (FVC% predicted) and 6-min walk-test distance (6MWT). We retrospectively reviewed these parameters in 11 boys with MPS II treated with idursulfase between April 2007 (or the time of diagnosis) and February 2010. Some results were inconsistent with published trial data, and there was only a small number of analyzable results obtained for the FVC% predicted and 6MWT. A major drawback was the high prevalence of neurological involvement and young age of patients in the study cohort compared with the clinical trials. This study emphasizes the limitations of the current tools utilized to monitor ERT efficacy and MPS II disease burden in clinical practice.

Indexed as

Enzyme Replacement TherapyChildChild, PreschoolClinical Trials as TopicClinical Trials, Phase II as TopicClinical Trials, Phase III as TopicEndpoint DeterminationHumansIduronate SulfataseInfantInfant, NewbornMaleMucopolysaccharidosis IIPrognosisResearch DesignRetrospective StudiesIduronate Sulfataseidursulfase

Identifiers

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.