View clinical trials related to Circulating Tumor DNA.
Filter by:The primary purpose of this trial is to describe the profile of ctDNA methylation in gastric cancer. The second purpose is to demonstrate the correlation between the plasma ctDNA methylation status and the diagnosis and prognosis of patients with early and intermediate stage gastric cancer.
This trial is a randomized, double-blind, multinational Phase III study to evaluate the efficacy and safety of preemptive treatment with FTD/TPI compared with administration of placebo as follow-up, which is the standard of care, in patients who underwent curative resection of colorectal cancer and then tested positive for ctDNA.
The recent histo-prognostic molecular discoveries of the TCGA (The Cancer Genome Atlas) have shed new light on the classification of endometrial carcinomas. After carrying out different types of high-throughput molecular analyzes on 373 endometrial carcinomas of different histological types, 4 major tumor subtypes could be identified, each with a different survival profile (the "ultra-mutated" group with POLE mutations, the "hypermuted" group with microsatellite instability (MSI), the "low number of copies" group, and the "high number of copies" group). This histomolecular classification is not yet directly transposable to clinical practice and tumor genetic characteristics have not had any direct therapeutic impact to date. The main objective of the study is to determine the concordance rate between molecular analysis of tumor tissue and that of cDNA in patients with endometrial cancer during treatment.
The purpose of this study is to determine if a combination of two drugs ipatasertib and atezolizumab works as a treatment for residual cancer in the breast or lymph nodes and have circulating tumor DNA in the blood. This research study involves the following investigational drugs: - Sacituzumab govitecan - Atezolizumab
Locally advanced breast cancer (LABC) is defined as breast cancer (BC) larger than 5 centimeters or with lymph node metastasis. Usually, LABC is treated with neoadjuvant chemotherapy (NAC) followed by curative surgery to reduce tumor size and eliminate micrometastasis. Response to NAC helps predict BC prognosis. Pathologic complete response (pCR), defined as no residual tumor cells after NAC, represents prolonged survival without BC recurrence and residual cancer burden score, based on residual tumor volume, and can more accurately predict BC outcomes. Especially, Human epidermal growth factor receptoor type 2(HER2)-positive breast cancer, having aggressive biologic characteristics, was mostly treated by NAC because of recent advance of highly effective targeted agents (pertuzumab and trastuzumab). However, still 30-40% of HER2-positive breast cancer did not response to NAC and underwent disease recurrence. Recently, genetic studies to find biomarker of BC prognosis have been widely performed. Circulating tumor DNA (ctDNA), which is circulating free DNA in the blood that originates from cancers, can be detected by recently-developed technologies. CtDNA could facilitate early disease detection, diagnosis and detection of disease recurrence. CtDNA also provides a genomic profile of BC and predicts drug response. In BC, ctDNA correlates with tumor burden and provides early detection of treatment response and tumor genetic alterations. In this study, the investigator aimed to identify the correlations in genomic profile between tumors and ctDNA during NAC(docetaxel /carboplatin /trastuzumab and pertuzumab) in HER2 positive breast cancer.
Verify the Coincidence rate between Circulating tumor cells (CTCs) and tumor tissue or Circulating tumor DNA (ctDNA) of advanced NSCLC patients with Driver gene mutation
The purpose of this study is to determine if nivolumab added to the standard of care therapy (SOC) given after surgery is more effective than SOC alone in prolonging disease free survival in NSCLC participants with minimal residual disease detected after surgery.
The present study will investigate the feasibility and clinical value of using circulating tumor DNA as selection for anti-epidermal growth factor receptor treatment for metastatic colorectal cancer.
A open label 1:1 randomized phase II exploratory study investigating adjuvant therapy in patients with molecular biologically detectable residual disease after primary resection for localized colorectal tumors.
This is a prospective, multicenter, observational, single-blinded controlled study. Dynamic monitoring of patients with resectable colorectal cancer was performed using the previously established colorectal tumor-specific plasma ctDNA methylation markers (Multigene methylation detection). Dynamic monitoring of plasma ctDNA methylation before and after treatment and at regular follow-up in patients with colorectal cancer after radical resection of tumor, to explore the predictive effect of postoperative plasma ctDNA methylation on postoperative recurrence and whether dynamic monitoring of postoperative ctDNA methylation could be earlier than imaging examination to indicate tumor recurrence.