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ctDNA clinical trials

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NCT ID: NCT05029869 Recruiting - Gastric Cancer Clinical Trials

Monitoring Minimal Residual Disease in Gastric Cancer by Liquid Biopsy Study Description

Start date: October 4, 2021
Phase:
Study type: Observational

This study aims to evaluate the use of Next Generation Sequencing (NGS) to detect circulating tumor DNA in gastric cancer patients after gastrectomy

NCT ID: NCT04741633 Recruiting - NSCLC Clinical Trials

Multi Dimensional Precise Exploration of Immunoconsolidation Therapy for Locally Advanced NSCLC After Chemo-radiotherapy

NSCLC
Start date: April 1, 2020
Phase:
Study type: Observational

The purpose of this study is to carry out a prospective observational study in patients with locally advanced NSCLC receiving radical concurrent chemoradiotherapy and follow-up immune consolidation therapy. By detecting ctDNA and TILs of the patients, we explored the value of blood dynamic monitoring of ctDNA in patients with prognosis stratification and treatment effect, and explored the patients before and after concurrent chemoradiotherapy and immune consolidation therapy The characteristics of DNA, RNA, T cells and other biomarkers were correlated with the efficacy and prognosis.

NCT ID: NCT04084249 Recruiting - Colorectal Cancer Clinical Trials

ctDNA-guided Surveillance for Stage III CRC, a Randomized Intervention Trial

Start date: January 1, 2020
Phase: N/A
Study type: Interventional

IMPROVE-IT2 is a randomized multicenter trial comparing the outcomes of ctDNA guided post-operative surveillance and standard-of-care CT-scan surveillance. The hypothesis of this study is that ctDNA guided post-operative surveillance combining ctDNA and radiological assessments could result in earlier detection of recurrent disease and identify more patients eligible for curative treatment.

NCT ID: NCT03416478 Recruiting - Colorectal Cancer Clinical Trials

The Implication of ctDNA in the Recurrence Surveillance of Stage II and III Colorectal Cancer

Start date: January 2018
Phase: N/A
Study type: Observational

This study is to evaluate circulating tumor DNA (ctDNA) as a predictive and surveillant method for tumor recurrence in stage II and III colorectal cancer (CRC).