Some concrete examples here:
👉 modern cardiovascular drug development has been largely shaped by targets, where variation in their genes has been linked to disease risk (PCSK9, APOC3, ANGPTL3, FXI, LPA, IL6 etc.)
👉 specifically, human genetic evidence has been translated to approved drugs for hypercholesterolemia (PCSK9, approved), boosted the clinical development of new categories of drugs (e.g. LPA, IL6, in phase 3), or informed new translational pathways and indications for others (e.g. FXI, awaiting approval for non-cardioembolic ischemic stroke)
👉 GWAS hits in Alzheimer's disease (e.g. TREM2, CLU, BIN1) have pointed to neuroinflammation and microglial biology, influencing drug development, even if clinical translation is still ongoing (TREM2)
👉 similar story for ALS, where beyond pointing to Mendelian cases, for which targeted therapies are being developed, drugs emerging from GWAS hits are about to start being tested in clinical trials (UNC13A)
👉 many similar examples from autoimmune diseases, e.g. IL23/IL23R approved for psoriasis and inflammatory bowel disease, TYK2 inhibition approved for psoriasis now expanding to other indications, PTPN22/LYP emerging as a promising target in clinical development
👉 first approved drugs for dry age-related macular degeneration (C3 and C5 inhibitors) targeting the complement, were largely influenced by discovery of hits in several complement genes in GWAS
👉 the whole booming field of RNA therapeutics (especially liver-targeting) depends on sequencing the targets and so is directly linked to the human genome project
This is a common critique of the genomic revolution.
Indeed, beyond rare diseases and oncology, germline genetics has underdelivered on early promises around predicting disease risk, clinical outcomes, or drug response. With few noteworthy exceptions, for most complex traits, predictive performance remains modest.
But human genetic studies have offered unique insights into disease biology and pointed to concrete therapeutic opportunities, some of which have already translated into clinical benefit.
These contributions are often overlooked because the field was initially framed around personalized medicine.