pharmacology
11 articles
Biosimilars: How They Differ from Generic Drugs and Why They Cost More
Why biologic complexity prevents identical copies, how the FDA 351(k) pathway works, the interchangeability designation, and the $180 billion in projected US savings from biosimilar competition.
Clinical Trial Phases: From First-in-Human to FDA Approval
A detailed breakdown of Phase 0 through Phase IV clinical trials, covering sample sizes, IRB oversight, randomization, adaptive designs, and the post-market surveillance system.
Drug Interactions: How Medications Can Amplify or Block Each Other
Explore how drug interactions occur through pharmacokinetic and pharmacodynamic mechanisms, including the CYP450 enzyme system, grapefruit effects, and polypharmacy risks in seniors.
FDA Drug Approval: Standard, Fast Track, and Breakthrough Designations
How the FDA approves new drugs through standard and priority review, and how fast track, accelerated approval, and breakthrough therapy designations differ in scope and requirements.
Generic Drugs vs. Brand-Name: Bioequivalence, Savings, and Myths
How the Hatch-Waxman Act created the generic drug market, what bioequivalence means, why generics dominate 90% of US prescriptions, and what biosimilars have in common with true generics.
Psychiatric Medication Stigma: Why People Stop Taking Drugs That Work
Why antidepressant discontinuation rates exceed 50% within six months, how stigma shapes medication decisions, and what shared decision-making and long-acting injectables can do to close the treatment gap.
The Opioid Epidemic: From Purdue Pharma to the Fentanyl Crisis
How the opioid crisis evolved through three waves — from prescription painkillers to heroin to synthetic fentanyl — and what public health, legal, and treatment responses have been deployed.
Pharmacogenomics: How Your Genes Determine Drug Response
An encyclopedic guide to pharmacogenomics: CYP450 metabolizer phenotypes, CPIC guidelines, HLA-B*5701 abacavir hypersensitivity, DPYD and 5-FU toxicity, and FDA black box warnings involving drug-gene pairs.
Pharmacokinetics: How the Body Absorbs, Distributes, and Eliminates Drugs
A comprehensive guide to the ADME framework: bioavailability, first-pass metabolism, volume of distribution, half-life, renal clearance, and the therapeutic index of narrow-window drugs.
The Placebo Effect: Why Sugar Pills Sometimes Work
Explore the placebo effect, the phenomenon where inert treatments produce real physiological changes, and its critical role in clinical trial design and ethics.
Precision Medicine: Matching Treatments to Individual Biology
How the Human Genome Project enabled precision medicine, from pharmacogenomics and biomarker-driven oncology to liquid biopsies, polygenic risk scores, and equity challenges in personalized therapy.