Effects of Ciprofloxacin on Human Gut Microbiota
Author Information
Author(s): Dethlefsen L, Huse S, Sogin ML, Relman DA
Primary Institution: Stanford University
Hypothesis
How does ciprofloxacin treatment affect the composition and diversity of the human gut microbiota?
Conclusion
Ciprofloxacin treatment significantly alters the gut microbiota, reducing diversity and richness, but most taxa return to baseline levels within four weeks.
Supporting Evidence
- Ciprofloxacin treatment influenced the abundance of about a third of the bacterial taxa in the gut.
- Taxonomic composition returned to pretreatment state by four weeks after treatment.
- Some taxa failed to recover within six months.
Takeaway
Taking the antibiotic ciprofloxacin changes the bacteria in your gut, but most of them come back to normal after a month.
Methodology
The study used deep 16S rRNA sequencing to analyze stool samples from three healthy adults before, during, and after ciprofloxacin treatment.
Potential Biases
Potential biases may arise from individual differences in gut microbiota composition and antibiotic response.
Limitations
The study involved only three participants, which may limit the generalizability of the findings.
Participant Demographics
Three healthy adults who had not taken antibiotics in the previous year.
Statistical Information
P-Value
p<0.005
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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