Complex sentence: One reason for this is that introducing a new kidney requires taking immunosuppressive drugs such as cyclosporine, which allows the introduction of a new pancreas to a person with diabetes without any additional immunosuppressive therapy.
Split into simpler sentences: One reason for this is that introducing a new kidney requires taking immunosuppressive drugs such as cyclosporine. Nevertheless, this allows the introduction of a new pancreas to a person with diabetes without any additional immunosuppressive therapy.