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11 clinical studies listed.

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Pseudomyxoma Peritonei

Tundra lists 11 Pseudomyxoma Peritonei clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

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NOT YET RECRUITING

NCT06084780

Intestinal & Multivisceral Transplantation for Unresectable Mucinous Carcinoma Peritonei (TRANSCAPE)

The goal of this prospective phase 2 study is to assess the efficacy and safety of intestinal or multivisceral transplantation for participants with PMP not amenable to other curative-intent treatments. Participants will undergo intestinal/multivisceral transplantation. Participants will be followed for 12 months to assess efficacy and safety.

Gender: All

Ages: 18 Years - 75 Years

Updated: 2026-04-09

1 state

Secondary Malignant Neoplasm of Retroperitoneum
Secondary Malignant Neoplasm of Peritoneum
Pseudomyxoma Peritonei
ACTIVE NOT RECRUITING

NCT02834013

Nivolumab and Ipilimumab in Treating Patients With Rare Tumors

This phase II trial studies nivolumab and ipilimumab in treating patients with rare tumors. Immunotherapy with monoclonal antibodies, such as nivolumab and ipilimumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. This trial enrolls participants for the following cohorts based on condition: 1. Epithelial tumors of nasal cavity, sinuses, nasopharynx: A) Squamous cell carcinoma with variants of nasal cavity, sinuses, and nasopharynx and trachea (excluding laryngeal, nasopharyngeal cancer \[NPC\], and squamous cell carcinoma of the head and neck \[SCCHN\]) B) Adenocarcinoma and variants of nasal cavity, sinuses, and nasopharynx (closed to accrual 07/27/2018) 2. Epithelial tumors of major salivary glands (closed to accrual 03/20/2018) 3. Salivary gland type tumors of head and neck, lip, esophagus, stomach, trachea and lung, breast and other location (closed to accrual) 4. Undifferentiated carcinoma of gastrointestinal (GI) tract 5. Adenocarcinoma with variants of small intestine (closed to accrual 05/10/2018) 6. Squamous cell carcinoma with variants of GI tract (stomach small intestine, colon, rectum, pancreas) (closed to accrual 10/17/2018) 7. Fibromixoma and low grade mucinous adenocarcinoma (pseudomixoma peritonei) of the appendix and ovary (closed to accrual 03/20/2018) 8. Rare pancreatic tumors including acinar cell carcinoma, mucinous cystadenocarcinoma or serous cystadenocarcinoma. Pancreatic adenocarcinoma is not eligible (closed to accrual) 9. Intrahepatic cholangiocarcinoma (closed to accrual 03/20/2018) 10. Extrahepatic cholangiocarcinoma and bile duct tumors (closed to accrual 03/20/2018) 11. Sarcomatoid carcinoma of lung 12. Bronchoalveolar carcinoma lung. This condition is now also referred to as adenocarcinoma in situ, minimally invasive adenocarcinoma, lepidic predominant adenocarcinoma, or invasive mucinous adenocarcinoma 13. Non-epithelial tumors of the ovary: A) Germ cell tumor of ovary B) Mullerian mixed tumor and adenosarcoma (closed to accrual 03/30/2018) 14. Trophoblastic tumor: A) Choriocarcinoma (closed to accrual) 15. Transitional cell carcinoma other than that of the renal, pelvis, ureter, or bladder (closed to accrual) 16. Cell tumor of the testes and extragonadal germ tumors: A) Seminoma and testicular sex cord cancer B) Non seminomatous tumor C) Teratoma with malignant transformation (closed to accrual) 17. Epithelial tumors of penis - squamous adenocarcinoma cell carcinoma with variants of penis (closed to accrual) 18. Squamous cell carcinoma variants of the genitourinary (GU) system 19. Spindle cell carcinoma of kidney, pelvis, ureter 20. Adenocarcinoma with variants of GU system (excluding prostate cancer) (closed to accrual 07/27/2018) 21. Odontogenic malignant tumors 22. Pancreatic neuroendocrine tumor (PNET) (formerly named: Endocrine carcinoma of pancreas and digestive tract.) (closed to accrual) 23. Neuroendocrine carcinoma including carcinoid of the lung (closed to accrual 12/19/2017) 24. Pheochromocytoma, malignant (closed to accrual) 25. Paraganglioma (closed to accrual 11/29/2018) 26. Carcinomas of pituitary gland, thyroid gland parathyroid gland and adrenal cortex (closed to accrual) 27. Desmoid tumors 28. Peripheral nerve sheath tumors and NF1-related tumors (closed to accrual 09/19/2018) 29. Malignant giant cell tumors 30. Chordoma (closed to accrual 11/29/2018) 31. Adrenal cortical tumors (closed to accrual 06/27/2018) 32. Tumor of unknown primary (Cancer of Unknown Primary; CuP) (closed to accrual 12/22/2017) 33. Not Otherwise Categorized (NOC) Rare Tumors \[To obtain permission to enroll in the NOC cohort, contact: S1609SC@swog.org\] (closed to accrual 03/15/2019) 34. Adenoid cystic carcinoma (closed to accrual 02/06/2018) 35. Vulvar cancer (closed to accrual) 36. MetaPLASTIC carcinoma (of the breast) (closed to accrual) 37. Gastrointestinal stromal tumor (GIST) (closed to accrual 09/26/2018) 38. Perivascular epithelioid cell tumor (PEComa) 39. Apocrine tumors/extramammary Paget's disease (closed to accrual) 40. Peritoneal mesothelioma 41. Basal cell carcinoma (temporarily closed to accrual 04/29/2020) 42. Clear cell cervical cancer 43. Esthenioneuroblastoma (closed to accrual) 44. Endometrial carcinosarcoma (malignant mixed Mullerian tumors) (closed to accrual) 45. Clear cell endometrial cancer 46. Clear cell ovarian cancer (closed to accrual) 47. Gestational trophoblastic disease (GTD) 48. Gallbladder cancer 49. Small cell carcinoma of the ovary, hypercalcemic type 50. PD-L1 amplified tumors 51. Angiosarcoma 52. High-grade neuroendocrine carcinoma (pancreatic neuroendocrine tumor \[PNET\] should be enrolled in Cohort 22; prostatic neuroendocrine carcinomas should be enrolled into Cohort 53). Small cell lung cancer is not eligible (closed to accrual) 53. Treatment-emergent small-cell neuroendocrine prostate cancer (t-SCNC)

Gender: All

Ages: 18 Years - Any

Updated: 2026-04-09

50 states

Acinar Cell Carcinoma
Adenoid Cystic Carcinoma
Adrenal Cortical Carcinoma
+91
RECRUITING

NCT06513065

Study to Evaluate the Non-inferiority of Low-dose HIPEC Versus High-dose HIPEC in the Treatment of PMP (HIPEC-PMP)

The Investigators are researching how to improve the treatment currently available for patients diagnosed with Pseudomyxoma Peritonei (PMP). This is a rare cancer that usually starts in the appendix and spreads around the abdomen. PMP is usually treated using a type of surgery called Cytoreductive Surgery (CRS). During the surgery heated chemotherapy will also be used to treat any cancer cells that cannot be seen and may be left behind. This is called Hyperthermic Intraperitoneal Chemotherapy (HIPEC). This treatment is commonly used in the UK and in Europe, however, the chemotherapy can be given at two different doses: a lower dose over 60 minutes or a higher-dose over 90 minutes. The Investigators want to understand if there is a difference between these two doses. The higher dose has been associated with a slightly increased rate of complications but may be better at killing cancer cells and preventing recurrence of cancer. In Basingstoke the lower dose over 60 minutes is used and survival results are similar to centres who use the higher dose. Previous studies have shown that both doses are effective at treating PMP, but no research has shown which is better for patients. The Investigators hope to show that the lower-dose over 60-minutes is as good as the higher-dose over 90-minutes.

Gender: All

Ages: 16 Years - Any

Updated: 2026-02-19

1 state

Pseudomyxoma Peritonei
NOT YET RECRUITING

NCT07378371

Proactive Temperature Management in CRS-HIPEC for Prevention of Delirium

This randomized controlled trial evaluates the efficacy of a proactive Goal-Directed Temperature Management (GDTM) protocol in reducing postoperative delirium among patients undergoing Cytoreductive Surgery (CRS) with Hyperthermic Intraperitoneal Chemotherapy (HIPEC) for pseudomyxoma peritonei. CRS-HIPEC presents a unique physiological challenge characterized by a biphasic thermal trajectory: potential hypothermia during extensive surgery followed by rapid iatrogenic hyperthermia during perfusion. This study compares a standardized GDTM strategy-which incorporates strict normothermia maintenance and anticipatory pre-cooling prior to perfusion-against standard reactive thermal management. The primary objective is to determine if optimized thermoregulation can attenuate thermal variability and improve early neurocognitive recovery.

Gender: All

Ages: 18 Years - 80 Years

Updated: 2026-01-30

Pseudomyxoma Peritonei
Postoperative Delirium (POD)
RECRUITING

NCT04024917

Impact of Cardiac Coherence on Anxiety in Patients Operated on for a Peritoneal Carcinosis

The investigator proposes to use the cardiac coherence technique to diminish anxiety before the surgery of a peritoneal carcinosis of colon or stomach or ovary and pseudomyxoma or peritoneal mesothelioma.

Gender: All

Ages: 18 Years - Any

Updated: 2026-01-16

1 state

Peritoneal Carcinomatosis
Pseudomyxoma Peritonei
Mesothelioma Peritoneum
RECRUITING

NCT07341360

Pseudovax - A Cancer Vaccine for Patients With Pseudomyxoma Peritonei

Participants will receive vaccination with Pseudovax/GM-CSF in combination with PD-1 inhibitor tislelizumab over a period of up to two years. The vaccine is expected to reactivate measurable immune response, and tislelizumab to restore anticancer immunity in patients with GNAS mutated pseudomyxoma peritonei.

Gender: All

Ages: 18 Years - Any

Updated: 2026-01-14

1 state

Pseudomyxoma Peritonei
RECRUITING

NCT07328737

One vs Three HIPEC Cycles After CRS for Pseudomyxoma Peritonei

The goal of this clinical trial is to compare the efficacy and safety of one versus three sessions of hyperthermic intraperitoneal chemotherapy (HIPEC) after cytoreductive surgery (CRS) for patients with pseudomyxoma peritonei (PMP). The main questions it aims to answer are: * Does receiving three HIPEC sessions lead to better Progression-Free Survival (PFS) and Overall Survival (OS) compared to one session? * What are the differences in postoperative complications (e.g., infection, bowel obstruction, myelosuppression) and organ toxicity (e.g., liver/kidney injury) between the two regimens? * How do the different treatment schedules impact patients' quality of life? Researchers will compare the experimental group (3 HIPEC sessions) to the control group (1 HIPEC session) to investigate the efficacy and safety of the additional sessions. Participants will: * Be randomly assigned to one of two groups: 1. Control Group: Receive only a single intraoperative HIPEC session following CRS. 2. Experimental Group: Receive two additional HIPEC sessions after CRS+HIPEC (on post-operative day 2 and day 4) at reduced drug doses. * Undergo scheduled safety checks for side effects on days 1, 3, 5, 7, and 10 post-HIPEC. * Attend a follow-up visit at 1 month after CRS+HIPEC and, if eligible, receive 6 cycles of standard postoperative chemotherapy. * Attend regular long-term follow-up visits for several years, which will include physical examinations, blood tests (for tumor markers), CT scans, and quality-of-life questionnaires (EORTC QLQ-C30 version 3.0).

Gender: All

Ages: 18 Years - 70 Years

Updated: 2026-01-09

1 state

Pseudomyxoma Peritonei
RECRUITING

NCT06800391

Metronomic Neoadjuvant Capecitabine and Cyclophosphamide in HUGE Pseudomyxoma Peritonei Patients

The goal of this clinical trial is to evaluate the safety and efficacy of neoadjuvant capecitabine and cyclophosphamide treatment in patients affected by huge Pseudomyxoma peritonei (PMP) (peritoneal cancer index \>28). Treatment consists of metronomic (low-dose medication for a prolonged time) of capecitabine plus cyclophosphamide for 6 months followed by standard of care cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). The main question the trial aims to answer is which is the proportion of patients with complete cytoreduction at CRS/HIPEC after neoadjuvant metronomic approach with oral capecitabine and cyclophosphamide in patients affected by huge PMP.

Gender: All

Ages: 18 Years - 76 Years

Updated: 2025-01-30

Pseudomyxoma Peritonei
ACTIVE NOT RECRUITING

NCT02387203

Antibiotic Treatment and Long-term Outcomes of Patients With Pseudomyxoma Peritonei of Appendiceal Origin

The purpose of this study is to determine the impact of antibiotic therapy on the disease progression and overall survival of patients with Pseudomyxoma Peritonei (PMP).

Gender: All

Ages: 21 Years - Any

Updated: 2024-11-19

1 state

Pseudomyxoma Peritonei
Appendiceal Neoplasms
RECRUITING

NCT01617382

Register With Patients in Which Hyperthermic Intra-Peritoneal Chemotherapy (HIPEC) Was Performed

The purpose of this study is to register the follow-up data of patients who, because of a peritoneal surface malignancy, will undergo cytoreductive surgery and HIPEC.

Gender: All

Updated: 2024-06-26

1 state

Peritoneal Carcinomatosis
Pseudomyxoma Peritonei
Peritoneal Mesothelioma
RECRUITING

NCT02073500

Peritoneal Surface Malignancies - Characterization, Models and Treatment Strategies

The aim of this study is to identify biomarkers of disease recurrence and prognosis to optimize patient selection for treatment with cytoreductive surgery (CRS) with hyperthermic intraperitoneal chemotherapy (HIPEC), and through animal models to explore different treatment strategies for peritoneal surface malignancies (PSM).

Gender: All

Ages: 18 Years - Any

Updated: 2021-07-28

Pseudomyxoma Peritonei
Colorectal Carcinoma
Ovarian Carcinoma
+1