How the Microbiome Influences Drug Action

Through their effects on metabolism and immunity, bacteria in the gut affect whether medications will be effective for a given patient.

Written byShawna Williams
| 14 min read
microbiome drugs

Register for free to listen to this article
Listen with Speechify
0:00
14:00
Share

ABOVE: THE SCIENTIST STAFF

In his 45 years as a physician, Arthur Frankel has witnessed a striking evolution in available cancer treatments, and in patient outcomes. Not so long ago, for instance, “metastatic melanoma was truly a horrible disease,” says the University of South Alabama physician-researcher. In the US, more than 10,000 people each year were diagnosed with the cancer, which starts in the skin and has typically carried little chance of survival once it spreads to the lymph nodes and internal organs. With the recent approvals of several checkpoint inhibitors and another class of drugs known as BRAF inhibitors, however, Frankel says he saw “dramatic responses” in some of his patients: their tumors would disappear, and the patients would go into years-long remissions—but not all of them. The response rate of melanoma patients to one common combination immunotherapy, Nivolumab plus Ipilimumab, is less than 60 percent.

Melanoma is but ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to digital editions of The Scientist, as well as TS Digest, feature stories, more than 35 years of archives, and much more!
Already a member? Login Here

Related Topics

Meet the Author

  • Shawna was an editor at The Scientist from 2017 through 2022. She holds a bachelor’s degree in biochemistry from Colorado College and a graduate certificate in science communication from the University of California, Santa Cruz. Previously, she worked as a freelance editor and writer, and in the communications offices of several academic research institutions. As news director, Shawna assigned and edited news, opinion, and in-depth feature articles for the website on all aspects of the life sciences. She is based in central Washington State, and is a member of the Northwest Science Writers Association and the National Association of Science Writers.

    View Full Profile

Published In

On Target July Issue The Scientist
July/August 2019

On Target

Researchers strive to make individualized medicine a reality

Share
Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026, Issue 1

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

View this Issue
Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs
Graphic of three DNA helices in various colors

An Automated DNA-to-Data Framework for Production-Scale Sequencing

illumina
Exploring Cellular Organization with Spatial Proteomics

Exploring Cellular Organization with Spatial Proteomics

Abstract illustration of spheres with multiple layers, representing endoderm, ectoderm, and mesoderm derived organoids

Organoid Origins and How to Grow Them

Thermo Fisher Logo

Products

Brandtech Logo

BRANDTECH Scientific Introduces the Transferpette® pro Micropipette: A New Twist on Comfort and Control

Biotium Logo

Biotium Launches GlycoLiner™ Cell Surface Glycoprotein Labeling Kits for Rapid and Selective Cell Surface Imaging

Colorful abstract spiral dot pattern on a black background

Thermo Scientific X and S Series General Purpose Centrifuges

Thermo Fisher Logo
Abstract background with red and blue laser lights

VANTAstar Flexible microplate reader with simplified workflows

BMG LABTECH