Evidence map›Paper›PMID 20223921›Full record

ReviewBlood2010

How I use hydroxyurea to treat young patients with sickle cell anemia.

Russell E Ware

Open access · bronzeAbstract readReview
In one paragraph

Review in Blood, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 201 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
201citing papers in PubMed, 5 pooled it
9.5field-weighted citation impact, top 1% 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

201 citing papers in PubMed, 5 syntheses or guidelines pooled it, 382 citations in OpenAlex.

  1. Hydroxyurea (hydroxycarbamide) for sickle cell disease.The Cochrane database of systematic reviews · 2022
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  3. Hydroxyurea (hydroxycarbamide) for sickle cell disease.The Cochrane database of systematic reviews · 2017
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141 more citing papers are in PubMed but not listed here.

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

1 author at 1 institution in 1 country.

Russell E WareDepartment of Hematology, St Jude Children's Research Hospital, Memphis, TN 38105, USA. russell.ware@stjude.org
St. Jude Children's Research Hospital · US

Funding

Stroke with Transfusions Changing to HydroxyureaU01HL078787 · NHLBI · ST. JUDE CHILDREN'S RESEARCH HOSPITAL · PI WARE, RUSSELL E · 2005 to 2010
$15.5M
Y-Globin Gene Therapy Using In Vivo SelectionU54HL070590 · NHLBI · ST. JUDE CHILDREN'S RESEARCH HOSPITAL · PI TUOMANEN, ELAINE I · 2003 to 2011
$13.8M
Hydroxyurea Pharmacokinetics and PharmacogenomicsR01HL090941 · NHLBI · ST. JUDE CHILDREN'S RESEARCH HOSPITAL · PI WARE, RUSSELL E · 2008 to 2011
$1.5M
PEDRIATRIC HYDROXYUREA PHASE III CLINICAL TRIAL CLINICALN01HB007155 · HB · ST. JUDE CHILDREN'S RESEARCH HOSPITAL · PI WANG, WINFRED C · 2000 to 2001
$82k
NHLBI NIH HHS N01 HB007155NHLBI NIH HHS N01-HB07155NHLBI NIH HHS R01 HL090941NHLBI NIH HHS R01-HL090941NHLBI NIH HHS U01 HL078787NHLBI NIH HHS U01-HL078787NHLBI NIH HHS U54 HL070590NHLBI NIH HHS U54-HL070590
6 · The paper itself

Abstract

Hydroxyurea has many characteristics of an ideal drug for sickle cell anemia (SCA) and provides therapeutic benefit through multiple mechanisms of action. Over the past 25 years, substantial experience has accumulated regarding its safety and efficacy for patients with SCA. Early proof-of-principle studies were followed by prospective phase 1/2 trials demonstrating efficacy in affected adults, then adolescents and children, and more recently infants and toddlers. The phase 3 National Heart, Lung and Blood Institute-sponsored Multicenter Study of Hydroxyurea trial proved clinical efficacy for preventing acute vaso-occlusive events in severely affected adults. Based on this cumulative experience, hydroxyurea has emerged as an important therapeutic option for children and adolescents with recurrent vaso-occlusive events; recent evidence documents sustained long-term benefits with prevention or reversal of chronic organ damage. Despite abundant evidence for its efficacy, however, hydroxyurea has not yet translated into effective therapy for SCA. Because many healthcare providers have inadequate knowledge about hydroxyurea, patients and families are not offered treatment or decline because of unrealistic fears. Limited support for hydroxyurea by lay organizations and inconsistent medical delivery systems also contribute to underuse. Although questions remain regarding its long-term risks and benefits, current evidence suggests that many young patients with SCA should receive hydroxyurea treatment.

Indexed as

AdolescentAnemia, Sickle CellAntisickling AgentsChildClinical Trials as TopicHumansHydroxyureaAntisickling AgentsHydroxyurea

Identifiers

PMID20223921
PMCPMC2902131
OpenAlexW1994489695

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.