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Growth hormone-secreting pituitary tumor

Compared within 1 study that had both: 28 people with growth hormone-secreting pituitary tumor and 65 healthy people. No genera less common in people with growth hormone-secreting pituitary tumor, and 1 more common.

A difference is an association: it doesn’t mean these genera cause, prevent or treat growth hormone-secreting pituitary tumor. GMrepo reports this group at the genus level only, so these are genera, not species.

Searching opens both lists and shows only matching rows.

Less common in growth hormone-secreting pituitary tumor · 0

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people

None compared.

More common in growth hormone-secreting pituitary tumor · 1

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Bacteroides genus in 1 study Healthy 22% growth hormone-secreting pituitary tumor 61%

Where these numbers come from

Studies
Only GMrepo projects that had people with the condition and healthy people, 10 or more of each. Numbers come from those studies, never from pooling.Sampled in China.
How common
The share of people whose sample has any of it, in the people with the condition and in the healthy people of those same studies. Tested within studies (Cochran–Mantel–Haenszel, corrected for testing many microbes); a difference counts when it is clear and meaningful (Cohen’s h of 0.2 or more).
Strength word
Counted by code from how many studies point the same way: Seen again and again (3 or more, none clearly the other way), Seen more than once (2, the majority), Seen once (1, listed last). Where studies disagree, a row isn’t listed.
Each study
Tap a row for every study’s own numbers, and for how much carriers have.
Analysis
Our analysis of GMrepo data. GMrepo on Data sources · Read the rules

Also compared · 25 genera

Compared within studies that had both, but not listed above.

No meaningful difference · 25
PubMed · human studies and reviews first

Recent research

All research on it
  1. Observational Scientific reports · 2025
    Multi-omics study reveals gut microbiota dysbiosis and tryptophan metabolism alterations in GH-PitNET progression.
    PubMed ↗
  2. Observational Microbiology spectrum · 2022
    Characteristics of Gut Microbiota in Patients with GH-Secreting Pituitary Adenoma.
    PubMed ↗

Source: PubMed, U.S. National Library of Medicine · 2 linked papers, last 10 years