Evidence map›Paper›PMID 34475178›Full record

ArticleBMJ open2021

'Slash and clear' vector control for onchocerciasis elimination and epilepsy prevention: a protocol of a cluster randomised trial in Cameroonian villages.

Joseph Nelson Siewe Fodjo, Melissa Krizia Vieri, Leonard Ngarka, Wepnyu Y Njamnshi, Leonard N Nfor, Michel Karngong Mengnjo, Adam Hendy, Peter A Enyong, Dennis Palmer, Maria-Gloria Basanez and 2 more

Open access · goldAbstract readClinical Trial Protocol
In one paragraph

Article in BMJ open, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 26% 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

11 citing papers in PubMed, 1 synthesis or guideline pooled it, 15 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

12 authors at 4 institutions in 4 countries.

Joseph Nelson Siewe FodjoBrain Research Africa Initiative (BRAIN) & Neuroscience Lab, Faculty of Medicine and Biomedical Sciences, The University of Yaounde I, Yaounde, Cameroon.ORCID 0000-0003-3544-1239
Melissa Krizia VieriFaculty of Medicine and Health Sciences, Global Health Institute, University of Antwerp, Wilrijk, Belgium.
Leonard NgarkaBrain Research Africa Initiative (BRAIN) & Neuroscience Lab, Faculty of Medicine and Biomedical Sciences, The University of Yaounde I, Yaounde, Cameroon.
Wepnyu Y NjamnshiBrain Research Africa Initiative (BRAIN) & Neuroscience Lab, Faculty of Medicine and Biomedical Sciences, The University of Yaounde I, Yaounde, Cameroon.
Leonard N NforBrain Research Africa Initiative (BRAIN) & Neuroscience Lab, Faculty of Medicine and Biomedical Sciences, The University of Yaounde I, Yaounde, Cameroon.
Michel Karngong MengnjoBrain Research Africa Initiative (BRAIN) & Neuroscience Lab, Faculty of Medicine and Biomedical Sciences, The University of Yaounde I, Yaounde, Cameroon.
Adam HendyDepartment of Pathology, The University of Texas Medical Branch, Galveston, Texas, USA.
Peter A EnyongResearch Foundation in Tropical Diseases and Environment, Buea, Cameroon.
Dennis PalmerBrain Research Africa Initiative (BRAIN) & Neuroscience Lab, Faculty of Medicine and Biomedical Sciences, The University of Yaounde I, Yaounde, Cameroon.
Maria-Gloria BasanezImperial College London, London, UK.
Robert ColebundersFaculty of Medicine and Health Sciences, Global Health Institute, University of Antwerp, Wilrijk, Belgium.ORCID 0000-0002-1919-1340
Alfred K NjamnshiBrain Research Africa Initiative (BRAIN) & Neuroscience Lab, Faculty of Medicine and Biomedical Sciences, The University of Yaounde I, Yaounde, Cameroon alfred.njamnshi@brainafrica.org.ORCID 0000-0003-0052-1511
Université de Yaoundé I · CMUniversity of Antwerp · BEImperial College London · GBThe University of Texas Medical Branch at Galveston · US

Funding

Medical Research Council MR/R015600/1
6 · The paper itself

Abstract

introductionOnchocerciasis, caused by the filarial nematode METHODS AND ANALYSIS: We aim to assess the effectiveness of annual S&C interventions combined with CDTI in reducing onchocerciasis transmission and epilepsy incidence. Eight onchocerciasis-endemic villages located <5 km from the Mbam or Sanaga rivers will be randomised to two arms: four villages will receive yearly CDTI only for two consecutive years (Arm 1), while the other four villages will receive CDTI plus annual S&C for 2 years (Arm 2). Study outcomes (blackfly biting rates, infectivity rates and seroprevalence of onchocerciasis antibodies (Ov16 antibodies) in children, prevalence of microfilaridermia and epilepsy incidence) will be monitored prospectively and compared across study arms. We expect that S&C will have an added benefit over CDTI alone. ETHICS AND DISSEMINATION: The protocol has received ethical approval from the institutional review board of the Cameroon Baptist Convention Health Board (reference number: IRB2021-03) and has been registered with the Pan African Clinical Trials Registry. Findings will be disseminated at national and international levels via meetings and peer-reviewed publications. TRIAL REGISTRATION NUMBER: PACTR202101751275357.

Indexed as

EpilepsyOnchocerciasisChildHumansIncidenceIvermectinRandomized Controlled Trials as TopicSeroepidemiologic StudiesIvermectinentomologyepilepsyparasitologypreventive medicinepublic health

Identifiers

PMID34475178
PMCPMC8413955
OpenAlexW3198879683

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.