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Toll-Free Helpline: 1 (844) 994-HOPE

Copyright 2013-2015. Sickle Cell Association Marc Thomas Foundation. All Rights Reserved.


“The Sickle Cell Association Marc Thomas Foundation has been a blessing to me. It has provided me with support during difficult times with my illness. I've met many other patients over the years through the agency that have became great friends. It's not just an agency, but a family." Letisha C., Sickle Cell Client

August 7-12, 2016

Camp Cell-A-Bration. Make a donation here

 Support Group Meetings

Join us for our telephone support group meetings! Learn More Here.


Walk for Sickle Cell Houston!

Join us October 24 at MacGregor Park to support Sickle Cell. Register Here!

The Lives We Impact

“It gives me hope with the great support they give me when my son is sick in the hospital. They helped me get back on my feet when I lost my job and I had nobody to turn to for help, they were there for me and thanks to them I was able to pay my rent and my kids still have a home. I owe it all to the them." Melissa A., Sickle Cell Family (her son pictured below)

“The agency has provided my family with financial assistance and emotional assistance, and has been my second family over the last thirteen years.”Arielle D, Sickle Cell Client

Meet Marc Thomas

Pastor Marc Thomas, a true champion for families suffering from sickle cell disease, also suffered from this debilitating and chronic blood disease. Through his courageos efforts the Sickle Cell Association was created. 

We provide numerous services to families in Central Texas, San Antonio and Houston. affected with sickle cell disease and those carrying sickle cell trait. . We provide education, outreach, awareness, support group meetings, assistance and numerous other services.


Sickle Cell Disease is the most common genetic blood disorder in the US. It is a life-threatening blood disorder that affects the red blood cells, it causes strokes, jaundice, severe pain, organ damage, and other serious ailments.

What is Sickle Cell Disease?