9 Things You Should Know About PK/PD in Drug Research

9 Things You Should Know About PK/PD in Drug Research

How do scientists know the right dose of a drug? How long does it stay in the body? And how does it actually work once it gets there? The answers lie in PK/PD—short for pharmacokinetics and pharmacodynamics—two key concepts that shape how medicines are developed, tested, and refined. To understand how these two fields guide drug research, it helps to break down what each one actually means. 1. PK/PD Defined in Plain Terms Pharmacokinetics (PK) t…