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The quality of medicines for the prevention and management of hypertensive disorders of pregnancy: A systematic review

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  • Pooja Maharjan
  • Meghna Prasannan Ponganam
  • Pete Lambert
  • Joshua P Vogel
  • Michelle McIntosh
  • Annie McDougall

Abstract

The quality of medicines for the prevention and management of hypertensive disorders of pregnancy globally is a critical challenge in the reduction of maternal mortality rate. We aimed to conduct a systematic review of available studies on the quality of the eight medicines recommended globally for the prevention and management of hypertensive disorders of pregnancy. We searched five electronic databases- Ovid MEDLINE, EMBASE, CINAHL, ProQuest and Cochrane Library, and also grey literature, without year or language limitations. Any study assessing the quality parameters (Active Pharmaceutical Ingredients, pH, sterility, solubility, impurities) of medicines by using any valid laboratory methods was eligible. Two reviewers independently screened the studies, extracted data and applied Medicine Quality Assessment Reporting Guidelines tool for quality assessment. Results were narratively reported and stratified by the drug types. Of 5669 citations screened, 33 studies from 27 countries were included. Five studies reported on the quality of magnesium sulphate—two (Nigeria and USA) found substandard medicine due to failing API specification and contaminants, respectively. Another study from Nigeria and a multi-country study (10 lower-middle- and low-income countries) found poor-quality due to failing the pH criteria. Seven of eight studies evaluating aspirin found quality issues, including degraded medicines in five studies (Brazil, USA, Yugoslavia and Pakistan). Five studies of calcium supplements found quality issues, particularly heavy metal contamination. Of 15 antihypertensives quality studies, 12 found substandard medicines and one study identified counterfeit medicines. This systematic review identified pervasive issues of poor-quality medicines across all recommended medicines used to prevent or treat hypertensive disorders of pregnancy, raising concerns regarding their safety and effectiveness.

Suggested Citation

  • Pooja Maharjan & Meghna Prasannan Ponganam & Pete Lambert & Joshua P Vogel & Michelle McIntosh & Annie McDougall, 2024. "The quality of medicines for the prevention and management of hypertensive disorders of pregnancy: A systematic review," PLOS Global Public Health, Public Library of Science, vol. 4(2), pages 1-17, February.
    • Handle: RePEc:plo:pgph00:0002962
    DOI: 10.1371/journal.pgph.0002962
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    References listed on IDEAS

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    1. Euodia Mosoro & Alyce N Wilson & Caroline S E Homer & Joshua P Vogel, 2020. "Assessing the quality of antenatal corticosteroids in low- and middle-income countries: A systematic review," PLOS ONE, Public Library of Science, vol. 15(12), pages 1-12, December.
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