Sickle cell disease: a malady beyond a hemoglobin defect in cerebrovascular disease

Junaid Ansari1, Youmna E Moufarrej2, Rafal Pawlinski3

  • 1a Department of Molecular and Cellular Physiology , Louisiana State University Health Sciences Center - Shreveport , Shreveport , LA , USA.

Insights

Sickle cell disease (SCD) is a severe genetic blood disorder affecting many in the US. While treatments are evolving, there

Area of Science:

  • Hematology
  • Genetics
  • Vascular Biology

Background:

  • Sickle cell disease (SCD) is a debilitating monogenic disorder impacting around 100,000 people in the U.S.
  • Current SCD management focuses on prevention, symptom relief, and targeting red blood cell sickling.
  • Cerebrovascular and psychosocial challenges are significant, yet often under-recognized aspects of SCD.

Purpose of the Study:

  • To review advancements in SCD understanding and management over recent decades.
  • To highlight clinical (especially cerebrovascular) and psychosocial challenges in the U.S.
  • To discuss the evolving science and therapeutic landscape for this inherited condition.

Main Methods:

  • Review of scientific literature and clinical trial data.
  • Analysis of progress in understanding SCD pathophysiology.
  • Examination of current and emerging therapeutic strategies.

Main Results:

  • Hydroxyurea (HU) was the sole FDA-approved therapy until recently.
  • New trials target thrombo-inflammation, endothelial dysfunction, oxidant stress, and the sickle cell mutation.
  • Despite progress, therapeutic options remain limited, and psychosocial impacts are substantial.

Conclusions:

  • There is a critical need for novel and repurposed adjuvant therapies for SCD.
  • Comprehensive clinics addressing both medical and psychosocial aspects are essential.
  • Integrated care models are required to address the multifaceted nature of SCD.
Abstract

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