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Systematic Review of Cancer Research Output From Africa, With Zambia as an Example.

Identifieur interne : 000004 ( PubMed/Corpus ); précédent : 000003; suivant : 000005

Systematic Review of Cancer Research Output From Africa, With Zambia as an Example.

Auteurs : Violet Kayamba ; Wilbroad Mutale ; Holly Cassell ; Douglas Corbett Heimburger ; Xiao-Ou Shu

Source :

JCO global oncology [ 2687-8941 ] ; 2021.

RBID : pubmed:34077269

Abstract

PURPOSE

Cancer occurrence is increasing in Africa, although research has lagged. The objective of this review was to analyze cancer research outputs from Africa, with a particular focus on Zambia.

METHODS

We searched PubMed for published cancer-related articles from African countries. All articles reporting on cancer in Africa were considered. We conducted analyses to explore correlations between cancer research output and total population, gross domestic product, and new cancer cases recorded in 2020. For Zambia articles, we also analyzed cancer types and time trends.

RESULTS

A total of 48,487 cancer-related publications from Africa were identified, with nearly half coming from Egypt (13,372; 28%) and South Africa (9,393; 19%). Cancer research output correlated significantly with country population (Spearman's correlation coefficient 0.74;

CONCLUSION

Cancer research output from Africa is very low, with many of the publications concentrated in a few countries. There is an urgent need to invest in both human resources and infrastructure to increase cancer research output from African countries, particularly in less populous countries.

DOI: 10.1200/GO.21.00079
PubMed: 34077269

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Le document en format XML

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<author><name sortKey="Kayamba, Violet" sort="Kayamba, Violet" uniqKey="Kayamba V" first="Violet" last="Kayamba">Violet Kayamba</name>
<affiliation><nlm:affiliation>Tropical Gastroenterology and Nutrition Group, Department of Internal Medicine, Lusaka, Zambia.</nlm:affiliation>
</affiliation>
<affiliation><nlm:affiliation>University of Zambia School of Medicine, Lusaka, Zambia.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Mutale, Wilbroad" sort="Mutale, Wilbroad" uniqKey="Mutale W" first="Wilbroad" last="Mutale">Wilbroad Mutale</name>
<affiliation><nlm:affiliation>University of Zambia School of Public Health, Lusaka, Zambia.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Cassell, Holly" sort="Cassell, Holly" uniqKey="Cassell H" first="Holly" last="Cassell">Holly Cassell</name>
<affiliation><nlm:affiliation>Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Heimburger, Douglas Corbett" sort="Heimburger, Douglas Corbett" uniqKey="Heimburger D" first="Douglas Corbett" last="Heimburger">Douglas Corbett Heimburger</name>
<affiliation><nlm:affiliation>University of Zambia School of Medicine, Lusaka, Zambia.</nlm:affiliation>
</affiliation>
<affiliation><nlm:affiliation>Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
</affiliation>
<affiliation><nlm:affiliation>Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Shu, Xiao Ou" sort="Shu, Xiao Ou" uniqKey="Shu X" first="Xiao-Ou" last="Shu">Xiao-Ou Shu</name>
<affiliation><nlm:affiliation>Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
</affiliation>
<affiliation><nlm:affiliation>Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
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<affiliation><nlm:affiliation>Tropical Gastroenterology and Nutrition Group, Department of Internal Medicine, Lusaka, Zambia.</nlm:affiliation>
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<affiliation><nlm:affiliation>University of Zambia School of Medicine, Lusaka, Zambia.</nlm:affiliation>
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<author><name sortKey="Mutale, Wilbroad" sort="Mutale, Wilbroad" uniqKey="Mutale W" first="Wilbroad" last="Mutale">Wilbroad Mutale</name>
<affiliation><nlm:affiliation>University of Zambia School of Public Health, Lusaka, Zambia.</nlm:affiliation>
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<author><name sortKey="Cassell, Holly" sort="Cassell, Holly" uniqKey="Cassell H" first="Holly" last="Cassell">Holly Cassell</name>
<affiliation><nlm:affiliation>Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
</affiliation>
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<author><name sortKey="Heimburger, Douglas Corbett" sort="Heimburger, Douglas Corbett" uniqKey="Heimburger D" first="Douglas Corbett" last="Heimburger">Douglas Corbett Heimburger</name>
<affiliation><nlm:affiliation>University of Zambia School of Medicine, Lusaka, Zambia.</nlm:affiliation>
</affiliation>
<affiliation><nlm:affiliation>Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
</affiliation>
<affiliation><nlm:affiliation>Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Shu, Xiao Ou" sort="Shu, Xiao Ou" uniqKey="Shu X" first="Xiao-Ou" last="Shu">Xiao-Ou Shu</name>
<affiliation><nlm:affiliation>Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
</affiliation>
<affiliation><nlm:affiliation>Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN.</nlm:affiliation>
</affiliation>
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<front><div type="abstract" xml:lang="en"><p><b>PURPOSE</b>
</p>
<p>Cancer occurrence is increasing in Africa, although research has lagged. The objective of this review was to analyze cancer research outputs from Africa, with a particular focus on Zambia.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>METHODS</b>
</p>
<p>We searched PubMed for published cancer-related articles from African countries. All articles reporting on cancer in Africa were considered. We conducted analyses to explore correlations between cancer research output and total population, gross domestic product, and new cancer cases recorded in 2020. For Zambia articles, we also analyzed cancer types and time trends.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>RESULTS</b>
</p>
<p>A total of 48,487 cancer-related publications from Africa were identified, with nearly half coming from Egypt (13,372; 28%) and South Africa (9,393; 19%). Cancer research output correlated significantly with country population (Spearman's correlation coefficient 0.74; </p>
</div>
<div type="abstract" xml:lang="en"><p><b>CONCLUSION</b>
</p>
<p>Cancer research output from Africa is very low, with many of the publications concentrated in a few countries. There is an urgent need to invest in both human resources and infrastructure to increase cancer research output from African countries, particularly in less populous countries.</p>
</div>
</front>
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<Abstract><AbstractText Label="PURPOSE" NlmCategory="OBJECTIVE">Cancer occurrence is increasing in Africa, although research has lagged. The objective of this review was to analyze cancer research outputs from Africa, with a particular focus on Zambia.</AbstractText>
<AbstractText Label="METHODS" NlmCategory="METHODS">We searched PubMed for published cancer-related articles from African countries. All articles reporting on cancer in Africa were considered. We conducted analyses to explore correlations between cancer research output and total population, gross domestic product, and new cancer cases recorded in 2020. For Zambia articles, we also analyzed cancer types and time trends.</AbstractText>
<AbstractText Label="RESULTS" NlmCategory="RESULTS">A total of 48,487 cancer-related publications from Africa were identified, with nearly half coming from Egypt (13,372; 28%) and South Africa (9,393; 19%). Cancer research output correlated significantly with country population (Spearman's correlation coefficient 0.74; <i>P</i>
 < .001) and the number of new cancer cases recorded in 2020 (Spearman's correlation coefficient 0.77; <i>P</i>
 < .001). Standardized by population size, Western Sahara (0.576), Seychelles (0.244), Tunisia (0.239), South Africa (0.158), and Egypt (0.131) had the highest overall output per 1,000 population. A total of 244 publications were from Zambia; the most studied cancers were cervical (25%), Kaposi sarcoma (24%), and breast (10%). Although an increase in cancer research output from Zambia was noted, only 33% of publications were first or last authored by Zambians. The major limitation of this review is that the evaluation was based on a single electronic database, PubMed.</AbstractText>
<AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">Cancer research output from Africa is very low, with many of the publications concentrated in a few countries. There is an urgent need to invest in both human resources and infrastructure to increase cancer research output from African countries, particularly in less populous countries.</AbstractText>
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<AffiliationInfo><Affiliation>Tropical Gastroenterology and Nutrition Group, Department of Internal Medicine, Lusaka, Zambia.</Affiliation>
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<AffiliationInfo><Affiliation>University of Zambia School of Medicine, Lusaka, Zambia.</Affiliation>
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<AffiliationInfo><Affiliation>Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN.</Affiliation>
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<AffiliationInfo><Affiliation>Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN.</Affiliation>
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<AffiliationInfo><Affiliation>Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN.</Affiliation>
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<AffiliationInfo><Affiliation>Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN.</Affiliation>
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Systematic Review of Cancer Research Output From Africa, With Zambia as an Example.

Systematic Review of Cancer Research Output From Africa, With Zambia as an Example.

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