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− | + | A typical example of a pro-drug is levodopa. The treatment of Parkinson's patients requires dopamine, which is not sufficiently present in the brain. Since dopamine cannot cross the blood-brain barrier, Parkinson's patients are given levodopa, which can cross the blood-brain barrier and is converted into dopamine after its passage. |
A typical example of a pro-drug is levodopa. The treatment of Parkinson's patients requires dopamine, which is not sufficiently present in the brain. Since dopamine cannot cross the blood-brain barrier, Parkinson's patients are given levodopa, which can cross the blood-brain barrier and is converted into dopamine after its passage.