View clinical trials related to Microsatellite Instability.
Filter by:The purpose of this study is to determine the safety, tolerability, and recommended dose schedule of APL-501 in individuals with advanced or relapsed or recurrent solid tumors.
This is a Phase 2, non-randomised, open-label, multicentric study to investigate the efficacy and safety of nivolumab monotherapy in 6 cohorts of patients with specific rare cancers who have unresectable locally advanced or metastatic disease, which is resistant or refractory to standard therapy, or for which standard therapy does not exist, or is not considered appropriate, and for which no other experimental treatment options are available.
In this study, participants with stage IV Microsatellite Instability-High (MSI-H) or Mismatch Repair Deficient (dMMR) colorectal carcinoma (CRC) will be randomly assigned to receive either pembrolizumab or the Investigator's choice of 1 of 6 standard of care (SOC) chemotherapy regimens for the treatment of advanced colorectal carcinoma. The primary study hypothesis is that pembrolizumab will prolong progression-free survival (PFS) or overall survival (OS) compared to current SOC chemotherapy.
The purpose of this study was to assess the safety, tolerability, and efficacy when combining MK-3475 and INCB024360 in participants with certain cancers. This study was conducted in 2 phases, Phase 1 and Phase 2.
This study will be looking at whether MK-3475 (an antibody that blocks negative signals to T cells) is effective (anti-tumor activity) and safe in three different patient populations. These include: 1. patients with MSI positive colon cancer, 2. patients with MSI negative colon cancer and 3. patients with other MSI positive cancers.
The molecular mechanisms involved in squamous cell carcinoma of the anus (SCCA) are poorly elucidated. HIV-positive and renal transplant patients are at high risk for developing SCCA, indicating that immune suppression plays a facilitating role. The investigators previously demonstrated that chromosomal instability (CIN) was more prevalent in SCCA of HIV-negative than HIV-positive patients. Hence, the investigators postulate that microsatellite instability (MSI), another molecular pathway, might be a feature of SCCA progression in the HIV-positive population. Study Aims: 1. to determine the prevalence of MSI in paraffin-embedded tumor specimen of 15 patients from the Swiss HIV cohort who underwent surgical excision for SCCA; and 2. eventually, to test our hypothesis by assessing the MSI status of SCCA in 15 recently operated HIV-negative patients. Study Design: The study is designed in two steps: 1. Firstly, the investigators will retrieve tumor specimen from 15 HIV-positive patients, with a biopsy-confirmed diagnosis of SCCA, in three institutions. DNA from tumor and normal tissues will be extracted, and then amplified by PCR. Presence of MSI in tumors will be determined by assessing the microsatellite markers BAT25, BAT26, and CAT25. 2. Secondly, the results of molecular analysis will be compared with a population of HIV-negative patients, with the same tumors, using the same detection technique for MSI.
This study is being carried out to see if the new drug, olaparib (AZD2281), can effectively and safely treat advanced large bowel cancer. The primary goal of this clinical trial is to determine whether olaparib will have a beneficial effect on the patient's cancer by causing a response and increasing the time it takes for the cancer to progress.
RATIONALE: Identifying gene mutations (microsatellite instability) may allow doctors to plan effective treatment for patients who develop colorectal cancer at an early age. PURPOSE: Genetic trial to determine the significance of gene mutations in helping predict the outcome of treatment in patients who develop stage I, stage II, or stage III colorectal cancer at an early age.