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 drug cocktail aims to shrink Hard-to-Treat carcinoid tumors
Disease control OngoingThis Phase II trial tests whether combining lenvatinib and everolimus can shrink or slow advanced carcinoid tumors that cannot be removed by surgery. The study enrolls 36 adults with confirmed unresectable carcinoid tumors. Both drugs are taken orally and work by blocking enzymes…
Phase 2 • Sponsor: M.D. Anderson Cancer Center • Aim: Disease control
Last updated Sep 20, 2026 00:00 UTC
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New hope for rare tumors: tarlatamab trial opens
Disease control OngoingThis study tests the drug tarlatamab in people with advanced tumors that have a protein called DLL3. The goal is to see if the drug can shrink or control these tumors. About 29 adults with stage IV cancer will receive tarlatamab, and researchers will track how well it works and a…
Phase 2 • Sponsor: Jonsson Comprehensive Cancer Center • Aim: Disease control
Last updated Sep 03, 2026 00:00 UTC
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New vaccine aims to stop colorectal cancer recurrence in High-Risk patients
Disease control OngoingThis study tests an experimental vaccine (RO7198457) in people with stage II or III colorectal cancer who have signs of remaining cancer DNA in their blood after surgery. The goal is to see if the vaccine can prevent the cancer from returning better than simply watching and waiti…
Phase 2 • Sponsor: BioNTech SE • Aim: Disease control
Last updated Aug 30, 2026 00:00 UTC
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New drug shows promise in slowing rare carcinoid tumors
Disease control OngoingThis study tested a drug called pazopanib in 171 people with carcinoid tumors that were growing or spreading. The goal was to see if pazopanib could slow tumor growth better than a placebo. Participants were randomly assigned to receive either pazopanib or a placebo, and research…
Phase 2 • Sponsor: National Cancer Institute (NCI) • Aim: Disease control
Last updated Aug 30, 2026 00:00 UTC
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New drug shows promise in slowing advanced neuroendocrine tumors
Disease control OngoingThis study tests whether the drug cabozantinib can slow the growth of advanced neuroendocrine tumors (including carcinoid tumors) compared to a placebo. About 298 adults whose cancer worsened after prior treatment will receive either cabozantinib or a placebo pill. The main goal …
Phase 3 • Sponsor: National Cancer Institute (NCI) • Aim: Disease control
Last updated Aug 06, 2026 00:00 UTC
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New immunotherapy combo targets rare cancers left behind by progress
Disease control OngoingThis phase 2 trial tests a combination of two immunotherapy drugs, domvanalimab and zimberelimab, in people with five types of advanced rare cancers (peritoneal mesothelioma, gestational trophoblastic tumor, anaplastic thyroid carcinoma, neuroendocrine tumors, and thymic carcinom…
Phase 2 • Sponsor: Hospices Civils de Lyon • Aim: Disease control
Last updated Jun 27, 2026 14:02 UTC
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New valve implant offers hope for rare heart condition
Disease control OngoingThis study is testing a custom-made artificial heart valve, called TRICENTO, in 15 people with carcinoid heart disease who have severe leakage of the tricuspid valve and cannot have surgery. The valve is delivered through a catheter, avoiding open-heart surgery. The goal is to se…
Sponsor: Queen Mary University of London • Aim: Disease control
Last updated Jun 27, 2026 12:30 UTC
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First human trial launches for targeted radiation therapy against Hard-to-Treat neuroendocrine tumors
Disease control OngoingThis early-phase study tests a new radioactive drug, [212Pb] VMT-α-NET, in 24 adults with advanced neuroendocrine tumors that have not responded to other treatments. The main goal is to find a safe dose for future studies, not to treat the disease. Participants receive up to two …
Early phase 1 • Sponsor: David Bushnell • Aim: Disease control
Last updated Jun 27, 2026 07:56 UTC
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Keytruda takes on 15 advanced cancers in major trial
Disease control OngoingThis phase 2 trial tests the immunotherapy drug pembrolizumab (Keytruda) in people with 15 types of advanced solid tumors that have worsened after standard treatments. About 1,600 participants receive the drug to see if their tumors shrink or stop growing. The study also looks fo…
Phase 2 • Sponsor: Merck Sharp & Dohme LLC • Aim: Disease control
Last updated Jun 27, 2026 07:51 UTC
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New CT technique may spot Hard-to-Find gut tumors
Diagnosis OngoingThis study looks at whether a special type of CT scan, called dual energy CT, can better detect carcinoid tumors in the digestive system. About 71 people with signs or confirmed carcinoid tumors will get this scan during a routine check-up. The goal is to see if this imaging meth…
Early phase 1 • Sponsor: M.D. Anderson Cancer Center • Aim: Diagnosis
Last updated Aug 13, 2026 00:00 UTC
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New scan could spot hidden tumors more accurately
Diagnosis OngoingThis study tests whether a new type of PET/CT scan, using a radioactive tracer called 68Ga-DOTATOC, can find neuroendocrine tumors (NETs) and similar tumors more safely and accurately than current imaging methods. About 800 people with known or suspected NETs will receive the sca…
Sponsor: British Columbia Cancer Agency • Aim: Diagnosis
Last updated Jun 27, 2026 12:31 UTC
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Lung cancer radiation study tests simpler breath hold method
Knowledge-focused OngoingThis study looks at two methods for keeping the lungs still during radiation treatment for lung cancer. One method uses a special camera system (SGRT) alone, and the other adds small implanted markers (fiducials) for extra guidance. The goal is to see which approach is more relia…
Sponsor: Wake Forest University Health Sciences • Aim: Knowledge-focused
Last updated Jul 15, 2026 00:00 UTC
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New blood test registry aims to improve neuroendocrine tumor care
Knowledge-focused By invitation onlyThis registry is collecting blood samples and health data from 400 people with neuroendocrine tumors. The goal is to see if a new blood test called NETest can help detect tumor activity and predict disease progression. Participants include patients before and after surgery, those…
Sponsor: Wren Laboratories LLC • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:57 UTC