ArticleBMJ open2025
Cervical precancer thermal ablation versus LLETZ excision comparative efficacy study in WLWH (TALL Study): protocol for a randomised clinical trial in South Africa.
Article in BMJ open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
6 authors.
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Abstract
backgroundCervical cancer remains a significant global health concern and is the fourth most prevalent cancer among women. In South Africa, it is the leading cause of cancer-related deaths in women aged 15-44 years. The disease is typically preceded by persistent high-risk HPV infection, leading to cervical intraepithelial neoplasia and eventually cancer. Currently, in South Africa, management primarily involves excision, particularly through large loop excision of the transformation zone, which has associated risks and limitations. Thermal ablation is an alternative cost-effective treatment method, providing a straightforward approach to treatment, particularly advantageous in environments characterised by limited resources. The study aims to assess the efficacy, safety and patient experience of thermal ablation, providing valuable data for potential integration into South Africa's cervical cancer prevention policies.
methodsRandomised controlled trial in which 420 women living with HIV aged 30-60 years will be recruited from the Colposcopy Clinic at Tygerberg Hospital and will be followed up for a period of two years. The primary study endpoint is a test of cure that will be assessed by HPV genotyping, cervical cytology and histology at six month intervals. Other endpoints include the occurrence of adverse events. ETHICS AND DISSEMINATION: The study protocol has been approved by the Health Research Ethics Committee of Stellenbosch University (Ethics Reference No: M20/11/035) and by the Western Cape Department of Health and Wellness via the National Health Research Database (WC_202109_016). All study procedures comply with the Declaration of Helsinki, South African Good Clinical Practice Guidelines and the Medical Research Council's ethical guidelines. Trial results will be disseminated through peer-reviewed journals, national and international conference presentations and professional associations. A lay summary will be shared with the Community Advisory Board to guide community-level dissemination. TRIAL REGISTRATION NUMBER: Pan African Clinical Trial Registry: PACTR202504820339039.
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