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Updated: Jul 16, 2025
A Precision Medicine Tool for Measurement and Monitoring of Hemoglobin S in Sickle Cell Disease Patients Receiving Transfusion Therapy
Current challenges and new approaches to implementing optimal management of sickle cell disease in sub-Saharan Africa
Mwashungi Ally1, Emmanuel Balandya1
1Sickle Pan African Research Consortium, Tanzania site Sickle Cell Program Department of Hematology and Blood Transfusion, Muhimbili University of Health and Allied Sciences Dar es Salaam Tanzania.
Insights
Sickle cell disease (SCD) affects millions globally, particularly in Sub-Saharan Africa (SSA). Enhancing awareness, screening, and care in SSA is crucial to reduce childhood mortality and improve patient outcomes.
Area of Science:
- Hematology
- Genetics
- Public Health
Background:
- Sickle cell disease (SCD) is a prevalent, life-threatening monogenic disorder, disproportionately affecting Sub-Saharan Africa (SSA).
- High childhood mortality rates in SSA are linked to inadequate SCD care, including lack of newborn screening and limited access to treatments.
- Resource constraints in SSA hinder the implementation of essential SCD management strategies and advanced therapies.
Purpose of the Study:
- To highlight the significant burden of sickle cell disease in Sub-Saharan Africa.
- To identify key challenges in SCD care delivery within the SSA region.
- To underscore the importance of ongoing initiatives aimed at improving SCD outcomes in SSA.
Main Methods:
- Review of the global and regional epidemiology of sickle cell disease.
- Analysis of healthcare system challenges impacting SCD management in Sub-Saharan Africa.
- Examination of current initiatives to address SCD in SSA.
Main Results:
- Over 75% of SCD patients reside in SSA, with up to 90% of children succumbing before age five without proper care.
- Shortages of healthcare workers, lack of clinical guidelines, limited infrastructure, and restricted access to essential medications and curative options impede effective SCD management.
- Various initiatives are underway in SSA to boost awareness, improve patient identification and retention, standardize care, upskill healthcare professionals, and conduct relevant research.
Conclusions:
- Addressing the multifaceted challenges in SCD care in SSA is critical for improving patient survival and quality of life.
- Strengthening existing initiatives and implementing comprehensive strategies are paramount to mitigating the impact of SCD in the region.
- Enhanced global and regional support is vital for sustainable improvements in sickle cell disease outcomes in Sub-Saharan Africa.
Abstract:
Sickle cell disease (SCD) is the most common life-threatening monogenic disorder in the world. The disease is highly prevalent in malaria endemic areas with over 75% of patients residing in Sub-Saharan Africa (SSA). It is estimated that, without proper care, up to 90% of children with SCD will not celebrate their fifth birthday. Early identification and enrolment into comprehensive care has been shown to reduce the morbidity and mortality related with SCD complications. However, due to resource constraints, the SSA is yet to implement universal newborn screening programs for SCD. Furthermore, care for patients with SCD in the region is hampered by the shortage of qualified healthcare workers, lack of guidelines for the clinical management of SCD, limited infrastructure for inpatient and outpatient care, and limited access to blood and disease modifying drugs such as Hydroxyurea which contribute to poor clinical outcomes. Curative options such as bone marrow transplant and gene therapy are expensive and not available in many SSA countries. In addressing these challenges, various initiatives are ongoing in SSA which aim to enhance awareness on SCD, improve patient identification and retention to care, harmonize the standards of care for SCD, improve the skills of healthcare workers and conduct research on pertinent areas in SCD in the SSA context. Fortifying these measures is paramount to improving the outcomes of SCD in SSA.
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