Ekundayo was diagnosed with the disease when he was just one year old and started having severe joint pain requiring frequent hospitalisation. The only option was bone marrow transplant.
This disease is an inherited disorder of haemoglobin and distorted (sickled) red blood cells are produced. When the number of red blood cells decreases from rupture (hemolysis), it results in anemia.
The irregular sickled cells can also block blood vessels causing tissue and organ damage and pain, doctors say.
They opted for a haplo-identical transplant, a new transplant strategy, and the boy's father agreed to become a donor.
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"Nathan was brought to the hospital in a serious condition with acute chest syndrome and complaints of severe joint pain. His sickle cell haemoglobin had increased to 88 per cent which worsened the condition further. Nathan was also prone to have life threatening stroke if we delayed treatment," said Kharya, senior consultant at BLK's Centre for Bone Marrow Transplant.
He explained that blood transfusion was given initially for two months to bring down his sickle level as direct transplant would have increased chance of rejection.
He was successfully discharged on the 20th day, having sickle haemoglobin level decreased with 10 per cent post transplant.
"So far haplo-identical transplant in disease like SCD was very limited due to poor success rate. With improved strategies, we can get good results with relatively less complications," said Dr Dharma Choudhary, director of the centre.