Carcinoid tumor
MONDO:0005369A slow growing neuroendocrine tumor, composed of uniform, round, or polygonal cells having monotonous, centrally located nuclei and small nucleoli, infrequent mitoses, and no necrosis. The tumor may show a variety of patterns, such as solid, trabecular, and acinar. Electron microscopy shows small secretory granules. Immunohistochemical studies reveal NSE, as well as chromogranin immunoreactivity. Malignant histology (cellular pleomorphism, hyperchromatic nuclei, prominent nucleoli, necrosis, and mitoses) can occasionally be seen. Such cases may have an aggressive clinical course. Gastrointestinal tract and lung are common sites of involvement.
Also known as: NET G1, carcinoid, carcinoid tumor, carcinoid tumor (disease), carcinoid tumour (disease), neuroendocrine neoplasm G1, neuroendocrine tumor G1, neuroendocrine tumour G1
1494 clinical trials for this condition and its sub-types, 33 tagged with Carcinoid tumor itself.
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Sub-types of Carcinoid tumor
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Intestinal neuroendocrine tumor G1 5 trials · 8 incl. sub-types
2 sub-types
- Small intestinal neuroendocrine tumor G1 3 trials · 5 incl. sub-types Sub-types →
- Colorectal neuroendocrine tumor G1 1 trial · 4 incl. sub-types Sub-types →
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Somatostatinoma 6 trials
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Pancreatic neuroendocrine tumor G1 1 trial · 5 incl. sub-types
1 sub-type
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Atypical carcinoid tumor 4 trials
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Gastric neuroendocrine tumor G1 2 trials
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Lung carcinoid tumor 2 trials
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Childhood carcinoid tumor 0 trials
Most studied deeper sub-types
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New combo attack on stubborn cancers shows promise in early trial
Disease control CompletedThis phase II trial tests whether combining the immunotherapy drug nivolumab with the chemotherapy drug temozolomide can shrink tumors in people with small-cell lung cancer that has returned or not responded to treatment, or advanced neuroendocrine tumors. About 55 participants w…
Phase 2 • Sponsor: Dwight Owen • Aim: Disease control
Last updated Aug 20, 2026 00:00 UTC
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Two-Drug combo aims to stall rare gut tumors
Disease control CompletedThis trial tests whether combining two drugs—RAD001 (everolimus) and octreotide depot—can slow tumor growth in people with advanced low-grade neuroendocrine cancer (carcinoid or islet cell tumors) that has spread or cannot be removed surgically. Participants take RAD001 daily by …
Phase 2 • Sponsor: M.D. Anderson Cancer Center • Aim: Disease control
Last updated Jul 08, 2026 00:00 UTC
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Could a simple blood test replace the annoying 24-Hour urine collection for tumor diagnosis?
Diagnosis CompletedThis study looked at 116 people with small-intestine neuroendocrine tumors to see if a blood test or a shorter urine collection could replace the standard 24-hour urine test for diagnosis. The goal was to find a simpler, equally accurate way to measure a key tumor marker called 5…
Sponsor: CHU de Reims • Aim: Diagnosis
Last updated Jun 27, 2026 08:13 UTC
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New pill could ease carcinoid syndrome Flare-Ups
Symptom relief CompletedThis Phase 2 trial tested paltusotine, an oral drug, in 36 adults with carcinoid syndrome. The study looked at safety and how the body processes the drug at different doses. Participants were randomly assigned to 40 mg or 80 mg daily, with dose adjustments allowed. The goal is to…
Phase 2 • Sponsor: Crinetics Pharmaceuticals Inc. • Aim: Symptom relief
Last updated Jun 27, 2026 11:02 UTC
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93,000 patients studied: what decades of data reveal about carcinoid cancer survival
Knowledge-focused CompletedThis study looked at nearly 94,000 people diagnosed with gastrointestinal carcinoid tumors between 2000 and 2022. Researchers used a large cancer database to calculate how many patients died from their tumor compared to the general population. The goal was to fill gaps in knowled…
Sponsor: Suez Canal University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:09 UTC
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Big data reveals shifting patterns in rare cancer diagnosis
Knowledge-focused CompletedThis study looked at nearly 94,000 people with rare gastrointestinal carcinoid tumors to see if early detection has changed over time. Researchers analyzed cancer registry data from 2000 to 2022 to track whether tumors were found at earlier or later stages. The goal was to unders…
Sponsor: Suez Canal University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:08 UTC
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Massive study reveals hidden cancer risk in rare gut tumor patients
Knowledge-focused CompletedThis study analyzed data from over 93,000 people diagnosed with a gastrointestinal carcinoid tumor between 2000 and 2022. Researchers wanted to find out if these patients are more likely to develop a second, different gastrointestinal cancer. They used a large cancer database to …
Sponsor: Suez Canal University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:05 UTC