Peritoneal neoplasm
MONDO:0006901A benign or malignant neoplasm that affects the peritoneal cavity. Representative examples of benign neoplasms include adenomatoid tumor and disseminated peritoneal leiomyomatosis. Representative examples of malignant neoplasms include primary peritoneal carcinoma, metastatic carcinoma to the peritoneum, and malignant mesothelioma.
Also known as: neoplasm of peritoneum, peritoneal neoplasm, peritoneum neoplasm, peritoneum neoplasm (disease), peritoneum tumor, peritoneum tumour, tumor of peritoneum, tumour of peritoneum
1925 clinical trials for this condition and its sub-types, 63 tagged with Peritoneal neoplasm itself.
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Sub-types of Peritoneal neoplasm
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Peritoneum cancer 67 trials · 512 incl. sub-types
6 sub-types
- Peritoneal carcinoma 16 trials · 389 incl. sub-types Sub-types →
- Peritoneal carcinomatosis 90 trials · 100 incl. sub-types Sub-types →
- Malignant peritoneal mesothelioma 13 trials
- Malignant peritoneal germ cell tumor 0 trials
- Malignant peritoneal solitary fibrous tumor 0 trials
- Round ligament malignant neoplasm 0 trials
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Peritoneal mesothelioma 14 trials · 22 incl. sub-types
5 sub-types
- Malignant peritoneal mesothelioma 13 trials
- Benign peritoneal mesothelioma 0 trials
- Peritoneal mesothelioma in situ 0 trials
- Peritoneal multicystic mesothelioma 0 trials
- Peritoneal well differentiated papillary mesothelioma 0 trials
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Peritoneal benign neoplasm 0 trials
3 sub-types
- Benign peritoneal mesothelioma 0 trials
- Benign peritoneal solitary fibrous tumor 0 trials
- Disseminated peritoneal leiomyomatosis 0 trials
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Peritoneal solitary fibrous tumor 0 trials
1 sub-type
Most studied deeper sub-types
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Ovarian cancer hope: immunotherapy and targeted pill combo tested
Disease control CompletedThis large phase 3 trial tested whether adding the immunotherapy drug pembrolizumab (Keytruda) and the targeted therapy olaparib (Lynparza) to standard chemotherapy helps women with advanced ovarian cancer that does not have a BRCA mutation. Over 1,300 participants received eithe…
Phase 3 • Sponsor: Merck Sharp & Dohme LLC • Aim: Disease control
Last updated Aug 21, 2026 00:00 UTC
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New drug cocktail aims to make inoperable abdominal cancers operable
Disease control CompletedThis phase 2 trial tested a combination of two drugs—paclitaxel (given intravenously and directly into the abdomen) and oral nilotinib—in 21 adults with cancers that had spread to the lining of the abdomen and could not be surgically removed. The goal was to see if the treatment …
Phase 2 • Sponsor: National Cancer Institute (NCI) • Aim: Disease control
Last updated Jun 27, 2026 14:03 UTC
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Cancer-Fighting virus shows promise in Hard-to-Treat ovarian cancer
Disease control CompletedThis study tested a new immunotherapy called Olvi-Vec, which uses a modified virus to attack cancer cells, in 46 patients with ovarian cancer that had come back or stopped responding to standard treatments. The goal was to see if the treatment was safe and could slow tumor growth…
Phase 1/2 • Sponsor: Genelux Corporation • Aim: Disease control
Last updated Jun 27, 2026 13:07 UTC
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Radioactive particles aim to fight ovarian cancer spread
Disease control CompletedThis early-phase trial tested a new treatment called Radspherin for women with ovarian cancer that has returned and spread in the abdomen. Radspherin consists of tiny radioactive particles injected directly into the belly after surgery to remove visible tumors. The study involved…
Phase 1 • Sponsor: Oncoinvent Solutions AS • Aim: Disease control
Last updated Jun 27, 2026 12:09 UTC
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Heated chemo wash may stop colorectal cancer spreading in abdomen
Disease control CompletedThis phase 3 trial tested whether a surgical procedure called laparotomy plus heated chemotherapy (HIPEC) could improve outcomes for colorectal cancer patients at high risk of cancer spreading in the abdomen. 150 patients who had already undergone surgery and chemotherapy were ra…
Phase 3 • Sponsor: Gustave Roussy, Cancer Campus, Grand Paris • Aim: Disease control
Last updated Jun 27, 2026 12:04 UTC
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Collagen mesh may reduce Post-Surgery complications in peritoneal cancer patients
Disease control CompletedThis study tested a special collagen mesh (Surgicoll-Mesh) placed in the abdomen during surgery for cancers that have spread to the lining of the belly. The goal was to see if it could prevent serious problems like bowel blockages, infections, or the need for more surgery. 60 adu…
Sponsor: Adichunchanagiri Institute of Medical Sciences, B G Nagara • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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Heated chemo combo tested in abdominal cancer surgery
Disease control CompletedThis study tested a treatment for peritoneal carcinosis, a cancer that has spread to the lining of the abdomen from the stomach, bowel, or appendix. The approach combined surgery to remove visible tumors with heated chemotherapy drugs (mitomycin C and irinotecan) pumped directly …
Phase 1/2 • Sponsor: Hospices Civils de Lyon • Aim: Disease control
Last updated Jun 27, 2026 08:05 UTC
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Aerosol chemo shows promise for Hard-to-Treat stomach cancer
Disease control CompletedThis study tested a new treatment for stomach cancer that has spread to the lining of the abdomen. The approach combines standard chemotherapy with a procedure called PIPAC, which delivers chemotherapy as a pressurized aerosol directly into the abdomen during a keyhole surgery. T…
Sponsor: Vilnius University • Aim: Disease control
Last updated Jun 27, 2026 07:51 UTC
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New test spots stray cancer cells that standard methods miss
Diagnosis CompletedThis study looked at a new test called OSNA to find free cancer cells in the belly fluid of 108 people with stomach or colon cancer who had no visible spread. The goal was to see if OSNA could detect cancer cells better than the usual lab method. If successful, this could help do…
Sponsor: University of Campania Luigi Vanvitelli • Aim: Diagnosis
Last updated Jun 27, 2026 11:03 UTC
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Glow-in-the-Dark dye helps surgeons find hidden cancer spots
Diagnosis CompletedThis study tested a new imaging system that uses a fluorescent dye to help surgeons see cancer that has spread to the lining of the abdomen (peritoneum) during surgery. 18 adults with stomach, ovarian, or mesothelioma cancers that had spread to the abdomen were injected with the …
Phase 1/2 • Sponsor: Lumicell, Inc. • Aim: Diagnosis
Last updated Jun 27, 2026 08:11 UTC
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Protein 'Fingerprint' blood test could warn of ovarian cancer return
Knowledge-focused CompletedThis study looks at proteins in the blood of women with ovarian, peritoneal, or fallopian tube cancer who are in remission. The goal is to find a protein pattern, or 'fingerprint,' that signals when the cancer might come back. Researchers followed 119 women with stage III or IV c…
Sponsor: National Cancer Institute (NCI) • Aim: Knowledge-focused
Last updated Sep 03, 2026 00:00 UTC
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A hidden route for ovarian cancer spread?
Knowledge-focused CompletedThis study investigates whether lymph nodes in the lower abdomen, called the inferior epigastric lymph node basin, might be an early stop for ovarian cancer spreading from the peritoneum. Researchers will biopsy these nodes in 20 patients undergoing surgery for ovarian peritoneal…
Sponsor: Jules Bordet Institute • Aim: Knowledge-focused
Last updated Aug 08, 2026 00:03 UTC
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PET scans may improve chemo decisions for abdominal cancer patients
Knowledge-focused CompletedThis pilot study looked at whether repeated FDG-PET/CT scans can help select patients and evaluate how well a special chemotherapy (PIPAC) works for cancer that has spread to the lining of the abdomen. 34 patients with various abdominal cancers were included. The goal was to see …
Sponsor: Odense University Hospital • Aim: Knowledge-focused
Last updated Jun 27, 2026 11:01 UTC
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French biobank aims to unlock secrets of peritoneal cancer
Knowledge-focused CompletedThis study collected and stored blood and tissue samples from over 2,100 people with digestive peritoneal carcinomatosis, a type of cancer that spreads in the abdomen. The goal was to create a large, high-quality biobank for future research into better ways to predict, diagnose, …
Sponsor: Hospices Civils de Lyon • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:05 UTC