Adenoma
MONDO:0004972A neoplasm arising from the epithelium. It may be encapsulated or non-encapsulated but non-invasive. The neoplastic epithelial cells may or may not display cellular atypia or dysplasia. In the gastrointestinal tract, when dysplasia becomes severe it is sometimes called carcinoma in situ. Representative examples are pituitary gland adenoma, follicular adenoma of the thyroid gland, and adenomas (or adenomatous polyps) of the gastrointestinal tract.
Also known as: adenoma, acinar cell adenoma, acinar cell adenoma (morphologic abnormality), adenoma, benign
1676 clinical trials for this condition and its sub-types, 27 tagged with Adenoma itself.
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Sub-types of Adenoma
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Digestive system adenoma 0 trials · 127 incl. sub-types
6 sub-types
- Colorectal adenoma 96 trials · 120 incl. sub-types Sub-types →
- Adenoma of small intestine 1 trial · 4 incl. sub-types Sub-types →
- Gastric adenoma 3 trials Sub-types →
- Warthin tumor 1 trial
- Bile duct adenoma 0 trials Sub-types →
- Gallbladder adenoma 0 trials
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Pituitary gland adenoma 34 trials · 67 incl. sub-types
9 sub-types
- Familial isolated pituitary adenoma 1 trial · 31 incl. sub-types Sub-types →
- Functioning pituitary gland adenoma 1 trial · 24 incl. sub-types Sub-types →
- Non-functioning pituitary adenoma 8 trials · 9 incl. sub-types Sub-types →
- Growth hormone-producing pituitary gland adenoma 2 trials Sub-types →
- ACTH-producing pituitary gland adenoma 0 trials
- Chromophobe adenoma 0 trials
- Pituitary gland acidophil adenoma 0 trials
- Pituitary gland basophil adenoma 0 trials
- Pituitary gland mixed eosinophil-basophil adenoma 0 trials
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Adrenal cortex adenoma 12 trials · 19 incl. sub-types
4 sub-types
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Cystadenoma 0 trials · 11 incl. sub-types
7 sub-types
- Serous cystadenoma 3 trials · 8 incl. sub-types Sub-types →
- Pancreatic cystadenoma 1 trial · 7 incl. sub-types Sub-types →
- Mucinous cystadenoma 2 trials · 3 incl. sub-types Sub-types →
- Bile duct cystadenoma 0 trials Sub-types →
- Ovarian cystadenoma 0 trials Sub-types →
- Papillary cystadenoma 0 trials Sub-types →
- Seminal vesicle cystadenoma 0 trials
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Follicular thyroid adenoma 1 trial · 7 incl. sub-types
5 sub-types
- Thyroid gland oncocytic adenoma 4 trials
- Toxic thyroid adenoma 2 trials
- Thyroid gland atypical follicular adenoma 0 trials
- Thyroid gland fetal adenoma 0 trials
- Thyroid gland macrofollicular adenoma 0 trials
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Parathyroid gland adenoma 6 trials
5 sub-types
- Chief cell adenoma 0 trials
- Familial parathyroid adenoma 0 trials
- Mixed cell type adenoma of parathyroid 0 trials
- Parathyroid gland clear cell adenoma 0 trials
- Parathyroid oncocytic adenoma 0 trials
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Oncocytic adenoma 0 trials · 4 incl. sub-types
2 sub-types
- Thyroid gland oncocytic adenoma 4 trials
- Parathyroid oncocytic adenoma 0 trials
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Hepatocellular adenoma 2 trials
1 sub-type
- Hepatic adenomas, familial 0 trials
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Papillary adenoma 2 trials
6 sub-types
- Bronchus adenoma 0 trials Sub-types →
- Chromophil adenoma of the kidney 0 trials Sub-types →
- Eccrine papillary adenoma 0 trials
- Extrahepatic bile duct papillary adenoma 0 trials
- Ovarian papillary cystadenoma 0 trials
- Papillary cystadenoma 0 trials Sub-types →
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Tubular adenoma 2 trials
2 sub-types
- Rectal tubular adenoma 0 trials
- Small intestinal tubular adenoma 0 trials
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Villous adenoma 0 trials · 2 incl. sub-types
6 sub-types
- Duodenal villous adenoma 2 trials
- Rectal villous adenoma 0 trials
- Urethral villous adenoma 0 trials
- Urinary bladder villous adenoma 0 trials
- Vaginal villous adenoma 0 trials
- Villous adenoma of colon 0 trials Sub-types →
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Adenoma of pancreas 1 trial
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Renal adenoma 0 trials · 1 incl. sub-types
2 sub-types
- Metanephric adenoma 1 trial
- Chromophil adenoma of the kidney 0 trials Sub-types →
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Tubulovillous adenoma 0 trials · 1 incl. sub-types
3 sub-types
- Colorectal tubulovillous adenoma 1 trial Sub-types →
- Small intestinal tubulovillous adenoma 0 trials
- Vaginal tubulovillous adenoma 0 trials
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Bartholin gland adenoma 0 trials
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Breast adenoma 0 trials
4 sub-types
- Adenoma of nipple 0 trials
- Breast apocrine adenoma 0 trials
- Breast ductal adenoma 0 trials
- Pregnancy adenoma 0 trials
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Clear cell adenoma 0 trials
2 sub-types
- Clear cell hidradenoma 0 trials
- Parathyroid gland clear cell adenoma 0 trials
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Lipoadenoma 0 trials
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Lung adenoma 0 trials
2 sub-types
- Alveoli adenoma 0 trials
- Bronchus adenoma 0 trials Sub-types →
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Microcystic adenoma 0 trials
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Middle ear adenoma 0 trials
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Minor vestibular glands adenoma 0 trials
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Mixed cell adenoma 0 trials
1 sub-type
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Ovarian adenoma benign 0 trials
2 sub-types
- Ovarian cystadenoma 0 trials Sub-types →
- Rete ovarii adenoma 0 trials Sub-types →
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Prostatic adenoma 0 trials
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Rete testis adenoma 0 trials
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Sebaceous adenoma 0 trials
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Sweat gland adenoma 0 trials
5 sub-types
- Breast apocrine adenoma 0 trials
- Eccrine papillary adenoma 0 trials
- Hidradenoma 0 trials Sub-types →
- Syringocystadenoma papilliferum 0 trials
- Syringofibroadenoma 0 trials
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Vaginal adenoma 0 trials
2 sub-types
- Vaginal tubulovillous adenoma 0 trials
- Vaginal villous adenoma 0 trials
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Water-clear cell adenoma 0 trials
Most studied deeper sub-types
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Could a probiotic help fight cancer? early trial launches
Disease control Recruiting nowThis early-stage trial is testing whether an oral probiotic called R-5780 is safe and tolerable when taken alongside a standard PD-1 checkpoint inhibitor in people with advanced solid tumors (like melanoma or certain skin cancers). About 33 adults whose cancer has not responded t…
Phase 1 • Sponsor: Rise Therapeutics LLC • Aim: Disease control
Last updated Sep 20, 2026 00:00 UTC
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A simple blood draw could spot colorectal cancer early
Diagnosis Recruiting nowThis study is testing whether a blood test can accurately identify colorectal cancer or polyps in adults referred for suspected lower GI cancer. Participants provide a blood sample during their routine diagnostic visit, and their results are compared to their final diagnosis. The…
Sponsor: Queen Mary University of London • Aim: Diagnosis
Last updated Sep 10, 2026 00:00 UTC
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New PET tracer aims to reveal hidden Hormone-Making tumors
Diagnosis Recruiting nowThis phase 2 study tests a radioactive tracer called [68Ga]Ga-PentixaFor to see if it can better identify adrenal tumors that produce excess hormones like aldosterone or cortisol. About 80 adults with known adrenal tumors and high hormone levels will receive the tracer before a P…
Phase 2 • Sponsor: National Cancer Institute (NCI) • Aim: Diagnosis
Last updated Jul 01, 2026 00:00 UTC
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AI eye on cancer: robot helps spot hidden polyps
Diagnosis Recruiting nowThis study will test whether artificial intelligence (AI) can help doctors find and identify colorectal polyps during colonoscopy better than standard methods. About 1000 adults having a routine colonoscopy will be randomly assigned to either AI-assisted or standard colonoscopy. …
Sponsor: Instituto do Cancer do Estado de São Paulo • Aim: Diagnosis
Last updated Jun 27, 2026 14:02 UTC
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AI and poop analysis could revolutionize colon cancer screening
Diagnosis Recruiting nowThis study looks at whether analyzing the bacteria in stool samples with artificial intelligence can better predict colorectal cancer risk than the standard stool test. Researchers will collect samples from 2,500 people aged 50-75 who are already scheduled for a colonoscopy. The …
Sponsor: Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement • Aim: Diagnosis
Last updated Jun 26, 2026 17:39 UTC
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Prostate surgery patients may go home in 24 hours thanks to Nurse-Led care
Symptom relief Recruiting nowThis study tests a new care plan that lets patients go home just 24 hours after laser surgery for an enlarged prostate, instead of the usual 48 hours. Nurses will supervise recovery at home. The goal is to see if this shorter stay is safe and does not lead to more complications o…
Sponsor: GCS Ramsay Santé pour l'Enseignement et la Recherche • Aim: Symptom relief
Last updated Jun 27, 2026 07:59 UTC
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Can a Scope-Based procedure offer lasting removal of precancerous gut lesions?
Knowledge-focused Recruiting nowThis study looks back at 1,000 patients who had endoscopic resection—a minimally invasive procedure to remove abnormal growths—in the duodenum or ampulla over a 15-year period. The goal is to see how often the lesions come back, how often cancer develops, and what complications o…
Sponsor: Western Sydney Local Health District • Aim: Knowledge-focused
Last updated Aug 26, 2026 00:00 UTC