Pharmacogenomics: Are We Prescribing the Wrong Drug to the Wrong Patient?

MedBound Times
, , , ,
1

Two patients. Same disease. Same drug. Same dose.
One improves dramatically. The other develops severe side effects.
Why?
The answer may lie in their genes.
Pharmacogenomics — the study of how genetic variations affect drug response — is quietly transforming modern medicine. Variations in enzymes like CYP450 can determine whether a drug is metabolized too quickly (ineffective) or too slowly (toxic).
For example:
Some patients cannot properly metabolize clopidogrel.
Others may experience severe toxicity with standard doses of codeine.
Certain cancer therapies only work in patients with specific genetic mutations.
Yet in most clinical settings, medications are still prescribed using a “one-size-fits-all” approach.

1000247548
10002475481024×1536 500 KB

Why This Matters ?
Adverse drug reactions are among the leading causes of hospitalizations worldwide. If genetic testing becomes routine:

:check_mark: Drug efficacy could improve
:check_mark: Side effects could decrease
:check_mark: Trial-and-error prescribing may reduce
:check_mark: Healthcare costs could drop
The Big Question
Should pharmacogenomic testing become mandatory before prescribing certain high-risk drugs?
As healthcare moves toward precision medicine, pharmacists may soon interpret genetic reports as often as they check drug interactions.

The future of prescribing may not begin with a prescription —
It may begin with a DNA report.

MBH/PS

3 Likes
2

Personalized medicine through genetic exploration could be an accurate way of prescribing drugs to a patient. Decoding the genetic code could help us understand the specific requirements of a person.

2 Likes
3

That’s a compelling point! Pharmacogenomic testing could make prescribing safer and more effective by tailoring drugs to each patient’s genetic profile. For high‑risk medications, routine testing may be the key to reducing adverse reactions and moving closer to true precision medicine.

1 Like
4

Personalised and Precision Medicine is the future of Pharmacotherapy. The above statement of “The future of prescribing may not begin with a prescription — It may begin with a DNA report”, summarises the entire Pharmacogenomics wonderfully.

1 Like