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Spots Global Cancer Trial Database for The Clinical Efficacy of Drug Sensitive Neoadjuvant Chemotherapy Based on Organoid Versus Traditional Neoadjuvant Chemotherapy in Advanced Rectal Cancer

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Trial Identification

Brief Title: The Clinical Efficacy of Drug Sensitive Neoadjuvant Chemotherapy Based on Organoid Versus Traditional Neoadjuvant Chemotherapy in Advanced Rectal Cancer

Official Title: A Prospective Multicenter Randomized Controlled Trial of the Clinical Efficacy of Neoadjuvant Therapy Based on Organoids Drug Sensitivity Versus Empirical Neoadjuvant Therapy in the Treatment of Advanced Rectal Cancer

Study ID: NCT05352165

Study Description

Brief Summary: This is a prospective multicenter randomized controlled trial study. According to the enrollment criteria, patients with locally advanced rectal cancer who need neoadjuvant therapy before radical surgery were randomly divided into the organoids drug sensitivity group and the standard whole-course neoadjuvant therapy group. The Organoids drug sensitivity group was treated with personalized neoadjuvant therapy under the guidance of tumor organoids drug sensitivity technology combined with standard long-term radiotherapy. The standard whole-course neoadjuvant therapy group was treated with neoadjuvant simultaneous radiotherapy and chemotherapy (Total Neoadjuvant Therapy, TNT) based on guidelines and clinical experience. The tumor pathological complete remission rate (pCR), postoperative complication rate, postoperative tumor withdrawal grade, postoperative recurrence rate, treatment tolerance rate, R0 resection rate, and sphincter preservation rate were observed and compared.

Detailed Description: Based on the need for individualized treatment in the era of precision medicine, an in vitro model that can accurately predict the response of patients to treatment is urgently needed, so that suitable patients can receive effective treatment and patients whose treatments are ineffective can avoid adverse reactions. The emergence of tumor organoids technology makes this vision possible. Tumor-organoid (Patient-Derived Organoids, PDOs) is a kind of micro-organ with a three-dimensional structure, which is cultivated in the environment of 3D matrix glue in vitro. Based on the individualized neoadjuvant therapy based on the drug sensitivity technology of tumor-organoid, the best neoadjuvant therapy can be selected and the clinical efficacy and drug tolerance can be quickly predicted, which is of great significance in the field of accurate tumor therapy. The preliminary study of our group also completed the organ-like library of more than 100 patients with local advanced rectal cancer. It was proved that the organoids of the organoids library had high homology with the original tumor tissue, and the detection period of drug sensitivity of organoids was less than 2 weeks, which was much less than 2 months of PDX drug sensitivity technology in mice, which did not affect the time window of clinical drug treatment, and the results of drug sensitivity were basically consistent with the clinical efficacy. Therefore, we have reason to believe that tumor organoids chemosensitivity technology, as an economical, high-throughput, and efficient technology for tumor research, is expected to play an important role in clinical individualized treatment of tumors. Our previous study found that tumor-based organoids drug sensitivity technology can be used as an effective and reliable clinical assistant tool to guide and assist doctors to formulate the best treatment strategy for tumor patients. Personalized neoadjuvant therapy has better clinical efficacy than standard whole-course neoadjuvant therapy. Therefore, in this study, through a prospective, multicenter, multi-arm umbrella clinical study, patients with locally advanced rectal cancer who need neoadjuvant therapy are randomly divided into two groups: the organoids drug sensitivity group and the standard whole-course neoadjuvant therapy group. To compare the clinical efficacy of personalized neoadjuvant therapy based on tumor organoids chemosensitivity combined with standard long-term radiotherapy with the clinical efficacy of standard whole-course neoadjuvant therapy in locally advanced rectal cancer. This technology can be used in the clinical use of advanced rectal cancer new auxiliary decision-making system so that the standardization of comprehensive treatment of rectal cancer can be implemented in China, which is of great significance for the development of the national economy and the improvement of medical level in China.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Contact Details

Name: Jing Sun, PhD

Affiliation: Shanghai Minimally Invasive Surgery Center

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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