has treatment been discovered for sickle cell anemia??? and if what are the measures taken to treat or cure it?? what

Question: has treatment been discovered for sickle cell anemia??? and if what are the measures taken to treat or cure it?? what causes the above disease??
- Keywords:
  anemia,
  sickle cell
Asked by 753purple26 to Jelili on 15 May 2018.
- Jelili Mustapha answered on 15 May 2018:
  
  “No” treatment is available for Sickle Cell Disease but there are great management plans that could help in ensuring longevity.
  
  The only definitive treatment available is bone marrow transplant which is about replacing the patient blood production cells with a new that will produce non-sickled blood.

Question: has treatment been discovered for sickle cell anemia??? and if what are the measures taken to treat or cure it?? what causes the above disease??