View clinical trials related to Cowden Syndrome.
Filter by:ICED is a prospective sample collection research study, aiming to develop or validate a blood/urine biomarker which could potentially detect cancers early in individuals at high risk of developing cancers, due to certain germline alterations.
Colon polyposis (the presence of multiple colon polyps) is very common with Cowden syndrome, as over 60% of patients have 50 or more polyps. In a previous clinical trial, some participants had reduction in the number of colon polyps with the use of the medication sirolimus for a very short time period. This study is investigating sirolimus and its effect on the number of colon polyps in patients with Cowden syndrome and polyposis over a 1 year period.
The objective of this protocol is to develop an institution-wide liquid biopsy protocol that will establish a common process for collecting blood and corresponding archived tumor specimens for future research studies at the University Health Network's Princess Margaret Cancer Centre. Circulating cell-free nucleic acids (cfNA), including cell-free DNA (cfDNA) and cell-free RNA (cfRNA), are non-invasive, real-time biomarkers that can provide diagnostic and prognostic information before cancer diagnosis, during cancer treatment, and at disease progression. Cancer research scientists and clinicians at the Princess Margaret are interested in incorporating the collection of peripheral blood samples ("liquid biopsies") into research protocols as a means of non-invasively assessing tumor progression and response to treatment at multiple time points during a patient's course of disease.
This is a first-in-human, phase I/Ib clinical research study with BEZ235, an inhibitor of phosphatidylinositol 3'-kinase (PI3K). The study consists of a dose escalation part followed by a safety dose expansion part: Dose escalation part (advanced solid tumors, including patients with breast cancer being treated with trastuzumab): Patients receive oral BEZ235 once daily on days 1-28 of the first course. Courses will repeat every 28 days in the absence of disease progression or unacceptable toxicity. Cohorts of at least 3 patients receive escalating doses of BEZ235, as single agent or in combination with trastuzumab, until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose expected to produce during the first course of treatment dose-limiting toxicity in 33% of patients. Once the MTD has been defined, the safety expansion parts of the trial will be opened for enrollment. Safety dose expansion part (advanced solid tumors, including patients with breast cancer being treated with trastuzumab): Patients will be treated with BEZ235, as single agent or in combination with trastuzumab, given at the MTD, once daily. Treatment of patients will continue until disease progression or occurrence of unacceptable side effects.
This is a phase I/II clinical research study with BGT226, an inhibitor of phosphatidylinositol 3'-kinase (PI3K). The study consists of a Phase I dose escalation part followed by a safety expansion part and a Phase II expansion part. Once the MTD has been defined, the safety expansion and efficacy expansion parts of the trial will be opened for enrollment. Phase I safety expansion part will enroll advanced solid tumors. Phase II expansion part will enroll advanced breast cancer. An effort will be made to enrich the trial population with Cowden Syndrome patients with advanced solid malignancies.