Research publications

Research publications (2019-2023)




Fourie, A., Julyan, M., Mostert, L. & Du Plessis, J. M. 2023. Potential drug-drug interactions with phentermine among long-term phentermine consumers: A retrospective analysis. South African Medical Journal, 112(8), 63–68.

Tshabane, C., Kuonza, L., Mdose, H., Musekiwa, A. & Motaze, N.V. 2023

 Estimation of shedding time in laboratory-confirmed COVID-19 cases in South Africa: a population-based record linkage study, March-December 2020. Pan African Medical Journal, 46:24. [doi: 10.11604/pamj.2023.46.24.41047]

Gavhi, F., De Voux, A., Kuonza, L. & Motaze, N. V. 2023. Evaluation of the rubella surveillance system in South Africa, 2016-2018: A cross-sectional study. PloS one, 18(6), e0287170.

Grey, A., Joubert, R., Steyn, S. & Julyan, M. 2023. Prescribing patterns of echinocandins in adult patients in a private hospital in Gauteng, South Africa. Southern African journal of infectious diseases, 38(1), 470.

Jordaan, M., Du Plessis, J., Rakumakoe, D. & Mostert, L. 2023. Orthopaedic surgical antibiotic prophylaxis administration compliance with prescribing guidelines in a private hospital in North West province, South Africa. SA Orthopaedic Journal, 22(2), 86-90.

Makhene, N. L., Steyn, H., Vorster, M., Lubbe, M. S. & Burger, J. R. 2023. Development of a checklist for the assessment of pharmacovigilance guidelines in Southern Africa: a document review. Therapeutic advances in drug safety, 14, 20420986221143272.

Matlala, M. F., Lubbe, M. S., & Steyn, H. 2023. Profile of adverse drug reaction reports in South Africa: An analysis of VigiBase® for the year 2017. South African Medical Journal, 113(6), 26–33.

Matlala, M. F., Lubbe, M. S., & Steyn, H. 2023. The completeness of adverse drug reaction reports in South Africa: An analysis in VigiBase®. African journal of primary health care & family medicine, 15(1), e1–e9.

Mthrombin, T.C., Burger, J.R., Lubbe, M.S. & Julyan, M. 2023. Antibiotic prescribing to inpatients in Limpopo, South Africa: a multicentre point-prevalence survey. Antimicrobial Resistance and Infection Control, 12 (103).

Relan P, Motaze NV, Kothari K, Askie, l., Van Kerkhove, M.D., Diaz, J., Le Polain de Waroux, O. & Vijayaraghavan, B.K.T. 2023. Severity and outcomes of Omicron variant of SARS-CoV-2 compared to Delta variant and severity of Omicron sublineages: a systematic review and metanalysis. BMJ Global Health 2023;8:e012328.


Du Plessis, N.M., Haeri Mazanderani, A., Motaze, N.V., Ngobese, M. & Avenant, T. 2022. Hepatitis A virus seroprevalence among children and adolescents in a high-burden HIV setting in urban South Africa. Scientific Report, 12: 20688.

Leeuwner, A., Basson, M. & Basson. W. 2022. A cross-sectional survey exploring vaccine hesitancy in students attending a South African university. Student’s Journal of Health Research Africa, 3(12), 23.

Kruger-Swanepoel, G., Lubbe, M.S., Rakumakoe, D. & Vorster, M. 2022. Adherence and clinical outcomes of HIV patients switching to a fixed-dose combination regimen. Southern African Journal of Infectious Diseases, 37(1), a464. 

Mlotshwa, C.R.N, Burger, J.R., Vorster, M., Rakumakoe, D.M. & Cockeran, M. 2022. Completeness of pharmaceutical industry insulin adverse event reports from Africa and the Middle East. Expert Opinion Drug Safety, 17:1-9. DOI: 10.1080/14740338.2022.2110863. Epub ahead of print. PMID: 35946933.

Mlotshwa, C.R., Burger, J.R., Vorster, M., Rakumakoe, D.M. & Cockeran, M. 2022. Individual case safety reports analysis for patients with Diabetes Mellitus on insulin in Africa and the Middle East. Current Drug Safety, 17(3):225-234. DOI: 10.2174/1574886316666211108103301. PMID: 34749625.

Mthombeni, T.C., Burger, J.R., Lubbe, M.S. & Julyan, M. 2022. Antibiotic consumption by Access, Watch, and Reserve index in the public sector of Limpopo province, South Africa: 2014-2018. Southern African Journal of Infectious Diseases, 37(1):463. DOI: 10.4102/sajid.v37i1.463. PMID: 36338191; PMCID: PMC9634851.

Mthombeni, T.C., Burger, J.R., Lubbe, M.S. & Julyan, M. 2022. Antibiotic consumption in the public sector of the Limpopo province, South Africa, 2014-2018. Southern African Journal of Infectious Diseases, 37(1):462. DOI: 10.4102/sajid.v37i1.462 . PMID: 36338196; PMCID: PMC9634943.

Sikhosana, M.L., Suchard, M., Kuonza, L., Cutland, C., Slogrove, A., Otwombe, K. & Motaze, N.V. 2022. Association between preeclampsia and HIV: a case-control study in urban South Africa. AJOG global reports, 2(3): 100056.


Otoo, M. N., Lubbe, M. S., Steyn, H., & Burger, J.R. 2021. Coexisting conditions among children and adolescents with cance in a section of the South African private health sector: perspectives from drug utilisation data. Journal of Epidemiology and Global Health, 11(1), 105–116.

Kakudji, B. K., Mwila, P. K., Burger, J. R., du Plessis, J. M., & Naidu, K. 2021. Breast cancer molecular subtypes and receptor status among women at Potchefstroom Hospital: a cross-sectional study. The Pan African Medical Journal, 38:85.

Smit, T., Kotzé, I. & du Plessis, J. 2021. The incidence of nausea in the absence of vomiting in patients receiving intravenous chemotherapy. Annals of Palliative Medicine, 10(3):2679-2686. DOI: 10.21037/apm-19-453. PMID: 33549001.


Booysen, V., Burger, J.R., Du Plessis, J.M. & Cockeran, M. 2020. Assessment of post-operative pain medication adherence after day case orthopaedic surgery: A prospective, cross-sectional study. International Journal of Orthopaedic and Trauma Nursing, 36, 100718 DOI: 10.1016/j.ijotn.2019.100718  Epub 2019 Sep 19. PMID: 31585861.

Jacobs, J.K.D., Basson, W.D. & Basson, M.J. 2020. Perceptual systems of the self-management of students living with diabetes mellitus: an IQA approach. Journal of endocrinology, metabolism, and diabetes of South Africa,
DOI: 10.1080/16089677.2020.1817281

Kakudji, B.K., Mwila, P.K., Burger, J.R. & Du Plessis, J.M. 2020. Epidemiological, clinical, and diagnostic profile of breast cancer patients treated at Potchefstroom regional hospital, South Africa, 2012-2018: an open-cohort study. The Pan African Medical Journal, 36(9). DOI: 10.11604/pamj.2020.36.9.21180

Obeng-Kusi, M., Lubbe, M.S., Cockeran, M. & Burger, J.R. 2020. Comparison of adherence measures using claims data in the South African private health sector. South Africa Medical Journal,110(9):932-936. DOI: 10.7196/SAMJ.2020.v110i9.14189. PMID: 32880281.

Otoo, M.N., Lubbe, M.S., Steyn, H. & Burger, J.R. 2020. Childhood cancers in a section of the South African private health sector: Analysis of medicines claims data. Health SA Gesondheid (Online), 25, 1-8. DOI: 10.4102/hsag.v25i0.1382. PMID: 33101715; PMCID: PMC7564764.

Salas, M., Lopes, L.C., Godman, B., Truter, T., Hartzema, H.G., Wettermark, B., Fadare, J., Burger, J.R., Lubbe, M.S., … Bergman, U. 2020. Challenges facing drug utilisation research in the Latin American region. Pharmacoepidemiology and Drug Safety, 29(11), 1353-1363. doi:10.1002/pds.4989. Epub 2020 May 17. PMID: 32419226

Van der Merwe, M., Julyan, M. & Du Plessis, J. 2020. Is guideline-driven prophylaxis for venous thromboembolism common practice in the South African private hospital setting? South African Family Practice, 62(1), a5022.

Wafawanaka, F., Lubbe, M.S., Kotzé, I., & Cockeran, M. 2020. Changes in the incidence and prevalence of human immunodeficiency virus or acquired immunodeficiency syndrome in the South African medical schemes’ environment: 2005-2015. Southern African Journal of HIV Medicine, 21(1), 1-8.


Du Toit, M., Burger, J.R., Rakumakoe, D.M. & Rheeders, M. 2019. Standards of aminoglycoside therapeutic drug monitoring in a South African private hospital: perspectives and implications. Ghana Medical Journal, 53(1):8-12. DOI: 10.4314/gmj.v53i1.2. PMID: 31138938; PMCID: PMC6527830.

Du Plessis J.M., Bester, H.L., Julyan, M. & Cockeran, M. 2019.

Acute changes in haematocrit leading to polycythaemia in late-onset hypogonadism patients that receive testosterone replacement therapy: a South African study. Journal of Endocrinology, Metabolism, and Diabete of South Africa, 24(2):37–40.

Eksteen, M. 2019. Does team-based learning develop essential generic skills in pharmacy students? South African Journal of Higher Education, 33(1), 59-73.

Jansen van Vuren, E., Malan, L., von Känel, R., Lammertyn, L., Cockeran, M. & Malan, N.T. 2019. Longitudinal changes of cardiac troponin and inflammation reflect progressive myocyte stretch and likelihood for hypertension in a Black male cohort: The SABPA study. Hypertension Research, 42(5):708-716. DOI: 10.1038/s41440-018-0183-5. Epub 2019 Jan 10. PMID: 30626934

Johnston, D.M.G., Truter, I., Irwin, Y.L., Naidoo, P., Coetzee, B.C. & Basson, W.D. 2019. Pharmacy students' opinions and experiences working on board the Transnet-Phelophepa Health Care Trains. International Journal of Pharmacy Practice, 27(3):311-317. doi: 10.1111/ijpp.12504. Epub 2018 Dec 28. PMID: 30592562.

Obeng‐Kusi, M., Lubbe, M.S., Cockeran, M. & Burger, J.R. 2019. Time‐to‐onset of treatment for hypertension and hyperlipidaemia in South African diabetes mellitus patients: A survival analysis using medicine claims data. Journal of Clinical Pharmacy and Therapeutics, 44(5),701-707. DOI: 10.1111/jcpt.12844