Evidence map›Paper›PMID 30409140›Full record

ArticleMalaria journal2018

Characterization and monitoring of deltamethrin-resistance in Anopheles culicifacies in the presence of a long-lasting insecticide-treated net intervention.

Madhavinadha Prasad Kona, Raghavendra Kamaraju, Martin James Donnelly, Rajendra Mohan Bhatt, Nutan Nanda, Mehul Kumar Chourasia, Dipak Kumar Swain, Shrity Suman, Sreehari Uragayala, Immo Kleinschmidt and 1 more

Open access · goldAbstract read
In one paragraph

Article in Malaria journal, 2018. 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
2.8field-weighted citation impact, top 10% 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, 24 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Article
  5. Article
  6. Metabolic detoxification andFrontiers in physiology · 2022
    Article
  7. Article
  8. Article
  9. Review
  10. Intensity of pyrethroid resistance inPathogens and global health · 2020
    Article
  11. Multiple insecticide resistance inPathogens and global health · 2019
    Article
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

11 authors at 4 institutions in 2 countries.

Madhavinadha Prasad KonaICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, 110077, India.
Raghavendra KamarajuICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, 110077, India. kamarajur2000@yahoo.com.ORCID http://orcid.org/0000-0002-4098-7095
Martin James DonnellyLiverpool School of Tropical Medicine, Liverpool, UK.
Rajendra Mohan BhattICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, 110077, India.
Nutan NandaICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, 110077, India.
Mehul Kumar ChourasiaICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, 110077, India.
Dipak Kumar SwainICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, 110077, India.
Shrity SumanICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, 110077, India.
Sreehari UragayalaICMR-National Institute of Malaria Research, Sector-8, Dwarka, New Delhi, 110077, India.
Immo KleinschmidtDepartment of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK.
Veena PandeyDepartment of Biotechnology, Kumaun University, Nainital, India.
National Institute of Malaria Research · INKumaun University · INLiverpool School of Tropical Medicine · GBLondon School of Hygiene & Tropical Medicine · GB

Funding

Bill and Melinda Gates Foundation OPP 1062754Medical Research Council MR/K012126/1
6 · The paper itself

Abstract

backgroundDeltamethrin-impregnated, long-lasting insecticidal nets (LLINs) were distributed in the study area from November 2014 to January 2015 to evaluate their impact on malaria transmission in the presence of insecticide-resistant vectors. Studies were carried out in 16 selected clusters in Keshkal sub-district, Chhattisgarh State, India to monitor and characterize deltamethrin resistance in Anopheles culicifacies sensu lato.

resultsDeltamethrin susceptibility of An. culicifacies decreased in a post-LLIN survey compared to a pre-LLIN survey and was not significant (p > 0.05) while, the knockdown values showed significant increase (p < 0.05). Pre-exposure to piperonyl butoxide, triphenyl phosphate showed synergism against deltamethrin (p < 0.001). Biochemical assays showed significantly (p < 0.05) elevated monooxygenases in 3 of 5 clusters in post-LLIN survey-I that increased to 10 of 11 clusters in post-LLIN survey-II, while esterases were found significantly elevated in all clusters and both enzymes were involved in conferring pyrethroid resistance, not discounting the involvement of kdr (L1014L/S) gene that was heterozygous and at low frequency (4-5%).

conclusionThis field study, in a tribal district of India, after distribution of deltamethrin-impregnated LLINs showed decrease in deltamethrin susceptibility in An. culicifacies, a major vector of malaria in this study area and in India. Results indicated development of resistance as imminent with the increase in insecticide selection pressure. There is an urgent need to develop new vector control tools, with insecticide classes having novel mechanisms of resistance, to avoid or delay the onset of resistance. Regular insecticide resistance monitoring and mechanistic studies should be the priority for the malaria control programmes to suggest strategies for insecticide resistance management. The global commitment to eliminate malaria by 2030 needs various efforts that include development of combination vector control products and interventions and few are becoming available.

Indexed as

Insecticide ResistanceInsecticide-Treated BednetsAnimalsAnophelesIndiaInsecticidesMalariaMosquito ControlMosquito VectorsNitrilesPyrethrinsdecamethrinInsecticidesNitrilesPyrethrinsAnopheles culicifaciesDeltamethrinEsteraseKnockdown resistance (kdr)Long-lasting insecticidal nets (LLINs)MonooxygenasePiperonyl butoxide (PBO)Triphenyl phosphate (TPP)

Identifiers

PMID30409140
PMCPMC6225645
OpenAlexW2900226341

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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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.