There's been considerable interest in the potential for gene editing for curing diseases such as CLL, so this article by Merlin Crossley, Deputy Vice-Chancellor Academic and Professor of Molecular Biology, UNSW should be of interest: theconversation.com/what-is...
This report about the development of an individualized molecular treatment for the 3,000 mutations that cause the heart defect DMD, I found particularly encouraging, giving the complex mutations behind CLL:
New CRISPR method strategically targets gene mutations to correct DMD heart defect
newatlas.com/crispr-duchenn...
Neil