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Infographic with red background that reads 'September is Sickle Cell Awareness Month.'

Sickle Cell Disease Awareness Month occurs in September and it is a great opportunity to learn more about this inherited blood disorder that affects approximately 100,000 people in the United States and millions more across the world. 

Sickle cell disease is a blood disorder where red blood cells develop a distinct ‘sickle’ shape instead of the normal disc shape. These unusually shaped red blood cells are not flexible, thus making it difficult for the cells to travel through blood vessels. Because of the potential for blood vessels to get clogged, people living with sickle cell disease may experience extreme pain crises, strokes or other severe health complications. Sickle-shaped red blood cells usually last in the body between ten to twenty days and the body cannot quickly add new blood cells to replace the lost cells, thus people with this disorder are also likely to develop anemia. 

This disorder can affect anyone, but it is mostly commonly found in people of African descent and within the United States this disorder occurs in approximately one in every 365 African American children. There are also high concentrations of this disorder within Hispanic populations, where it is estimated that one in every 1,000-1,400 Hispanics Americans live with sickle cell disease. (MedlinePlus, 2020)

Testing is available to determine if someone has sickle cell disease or if they carry the trait. If a person has sickle cell disease, there are treatment plans to help manage pain, prevent red blood cells from taking on the sickle shape and prevent blood vessel clogs, but unfortunately the only potentially curative intervention for this disorder is a blood and bone marrow transplant. 

Researchers at the National Health, Lung and Blood Institute are actively looking for new treatment options and cures. The Center of Disease Control also has a Sickle Cell Data Collection program that tracks the disease in the country “to study long-term trends in diagnosis, treatment, and healthcare access for people with SCD (sickle cell disease)...The program helps to inform policy and healthcare standards that improve and extend the lives of people with SCD.) (Centers for Disease Control and Prevention, 2021, para. 1)  Data from California and Georgia are currently available, while data from other several states will be made available in the future. 

If you are interested in spreading awareness about sickle cell disease, the National Heart, Lung, and Blood Institute has created a social media toolkit with infographics, hashtags and sample posts that can be shared online. You can also help by donating blood. The American Red Cross is particularly interested in African American blood donors who can donate their blood to people living with sickle cell disease. Visit the American Red Cross website to find a local blood donation center or blood donation drive. If you’re interested in hearing the personal stories of people living with sickle cell disease, then visit the Stories of Sickle Cell which features stories, videos and a photoblog of life with this blood disorder. 

Himmelfarb also has resources to help you better understand this blood disorder. Some titles that may be of interest include:

If you have specific research questions, librarians are available to assist you and can be contacted through email, instant messaging, phone or by visiting the reference desk.

Sickle cell disease is the most common inherited disorder and impacts the quality of life for millions of people around the world. With current treatment options, people who live with sickle cell disease can manage their symptoms, while researchers continue to learn more about this disorder and search for additional cures.  

References:

Centers for Disease Control and Prevention. (Updated: 2021). Sickle Cell Data Collection (SCDC) Program. https://www.cdc.gov/ncbddd/hemoglobinopathies/scdc.html

MedlinePlus. (Updated: 2020). Sickle Cell Disease. https://medlineplus.gov/genetics/condition/sickle-cell-disease/#frequency

National Heart, Lung, and Blood Institute. (Updated: 2022). Sickle Cell Disease. https://www.nhlbi.nih.gov/health/sickle-cell-disease

Hands forming a heart with setting sun Image from pxhere
Photo from pxhere https://pxhere.com/en/photo/335

On June 19th, look for buildings lit in red to raise awareness of sickle cell disease and the challenges experienced by patients, their families and caregivers. The inherited blood disorder occurs in more than 100,000 people in the US, resulting in serious chronic disease and 75,000 hospitalizations annually. 

The Sickle Cell Anemia Act of 1972 raised awareness of the disease and increased screening so that early intervention is now common. 20 years ago the introduction of the pneumococcal vaccine helped to reduce the mortality rate for children under 4 with sickle cell disease by 42%. Today, patients are best managed in a comprehensive multidisciplinary program of care that can include penicillin prophylaxis in those under 5, hydroxyurea, blood transfusions and opioids for pain management. Since 2017, three additional medications are now available to help manage symptoms: L-glutamine, crizanlizumab and voxelotor. Still most management of sickle cell disease is palliative and not a cure.

 “…unfortunately, patients still have a poor quality of life because of extreme pain episodes, end-organ damage, and also a reduced life expectancy.”1

Starting in 1984, bone marrow transplant has been used as a therapy in patients with disease serious enough to outweigh the risks of the procedure, and for whom a good donor match can be found. About 1,200 of these procedures have been reported. In 2018, the National Heart Lung and Blood Institute at NIH launched the Cure Sickle Cell Initiative to advance gene therapy for sickle cell disease; a number of clinical trials are currently underway. The CEDAR study in phase 1 clinical trials uses gene correction, a combination of gene editing and addition. You can learn more about current therapies, including gene therapies, in this article from the American Society of Hematology Education Program.2

Though gene therapy is promising, we are still far from a cure for this debilitating chronic disease. To learn more about the Shine the Light campaign and what you can do to advance research visit the Sickle Cell Disease Association of America site.

  1. Ashorobi D, Bhatt R. Bone Marrow Transplantation In Sickle Cell Disease. [Updated 2021 Jul 12]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK538515/
  2. Kanter, J., & Falcon, C. (2021). Gene therapy for sickle cell disease: where we are now?. Hematology, 2021(1), 174-180. https://doi.org/10.1182/hematology.2021000250