View clinical trials related to Fibroma.
Filter by:Background: - Desmoid tumors (also known as aggressive fibromatosis), are rare, locally invasive, slow-growing soft-tissue tumors. The disease can be either asymptomatic or be associated with severe loss of organ function and significant morbidity. - Treatment with the selective small-molecule Gamma-secretase inhibitor PF-03084014 caused significant tumor shrinkage in patients with unresectable desmoid tumors in an early phase clinical trial. - The Notch pathway is a key regulator of cell differentiation, proliferation and apoptosis; aberrant signaling via the Notch pathway is associated with carcinogenesis. Objectives: - Primary: Determine the response rate (Complete Response (CR)+Partial Response (PR)) of PF-03084014 in patients with desmoid tumors/aggressive fibromatosis - Secondary: Assess symptom measures at baseline and on study; perform genotyping for germline and somatic mutations in adenomatous polyposis coli gene (APC) and catenin-beta 1 (CTNNB1) genes; correlate clinical response to therapy with genotyping data; and assess modulation of the Notch pathway by evaluating notch response genes in tumor biopsies at baseline and after drug administration Eligibility: - Age greater than or equal to18; histologically confirmed desmoid tumor not amenable to curative resection or definitive radiation therapy that has progressed after receiving at least one line of standard treatment; adequate organ function - Willingness to provide blood samples and 10 unstained slides or a tumor block for genetic research studies Study Design: - This is an open-label Phase II trial of PF-03084014; study drug will be administered orally at 150 mg twice a day in 21-day cycles - Optional tumor biopsies for research purposes will be performed at baseline prior to study treatment and at the beginning of cycle 7 (+/- one cycle) - Restaging scans (magnetic resonance imaging (MRI) with diffusion weighting) will be performed at baseline, at the end of cycles 1 and 6, and then every 6 cycles - Health-related quality of life (HRQOL)/symptom questionnaires will be administered at baseline and at each Clinical Center visit
It's a monitoring study. The aim is to assess the progression free survival up to 3 years. Patients are not treated until progression. Search for scalability predictive factors and registration of treatments if progression.
Desmoid-type fibromatosis (or desmoid tumor) represents an intermediate grade neoplasm with a striking predilection for locally invasive growth and recurrence following resection. It occurs in children as well as young adults. As a typically localized disease, the historical standard of care for treatment has been surgical resection, with or without ionizing radiation. In some cases where surgical resection or radiation is not feasible, chemotherapy has been used. Two clinical trials conducted in the Pediatric Oncology Group (POG) and the Children's Oncology Group (COG) evaluated the role for either low intensity or non-cytotoxic chemotherapy for children with desmoid tumor that is not amenable to standard therapy. These were largely empirical treatment strategies or based on somewhat anecdotal observations. By better understanding desmoid tumor biology, even more effective therapy targeting a particular protein that is central to the disease can be developed. Desmoid tumor is well-known to be associated with deregulation of the Adenomatous Polyposis Cell/beta-catenin (APC/β-catenin pathway). This is true of familial cases associated with Gardner's Syndrome and also in sporadic desmoid tumor, nearly all of which display histological or molecular evidence of Adenomatous Polyposis Cell/beta-catenin (APC β-catenin) pathway activation (Alman et al., 1997; Lips et al., 2009). Several new pieces of evidence support the concept that deregulation of the mammalian target of rapamycin (mTOR) cell proliferation/survival pathway may play an important role in tumor biology when the APC/β-catenin pathway is disrupted. Sirolimus, a drug that inhibits mammalian target of rapamycin (mTOR), is currently being evaluated as an anti-cancer agent in a variety of tumor types, but it has not been previously studied in desmoid tumor. The investigators are conducting this pilot study to begin to explore whether mTOR inhibition may be beneficial for children and young adults with desmoid tumor.
The objective of the present study is to evaluate the activity and safety of imatinib in patients with aggressive fibromatosis who, after receiving the standard therapy, show an inoperable recurrent tumor or disease not readily controllable by surgery or radiotherapy.
The purpose of this study is to examine the response rate of desmoid tumors to hydroxyurea. The investigators hypothesize that hydroxyurea will be a safe, non-toxic alternative to aggressive surgery or chemotherapy for this difficult to treat tumor.
The purpose of this study is to collect and store tumor tissue, blood, and bone marrow samples from patients with soft tissue sarcoma that will be tested in the laboratory. Collecting and storing samples of tumor tissue, blood, and bone marrow from patients to test in the laboratory may help the study of cancer.
RATIONALE: Imatinib mesylate may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. PURPOSE: This phase I/II trial is studying the side effects of imatinib mesylate and to see how well it works in treating patients with recurrent or refractory aggressive fibromatosis.