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Survival Analysis clinical trials

View clinical trials related to Survival Analysis.

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NCT ID: NCT05620537 Completed - Prognosis Clinical Trials

A Novel Nomogram to Predict the Postoperative Overall Survival in Gastrointestinal Cancer Patients

Start date: November 10, 2022
Phase:
Study type: Observational

This multicenter retrospectively observational cohort study was conducted on participants with histologically confirmed gastric and colorectal cancer who underwent radical surgery in 11 medical centers in China from August 1, 2015, to June 31, 2018. Baseline clinicopathologic data and nutritional status assessments including Nutrition Risk Screening 2002 (NRS 2002) score and Patient-generated Subjective Global Assessment (PG-SGA) rating were collected. Variables will be screened using the least absolute shrinkage and selection operator (LASSO) regression model and Cox regression analysis. Internal and external validations will be performed via the receiver operating curve (ROC), the area under the curve (AUC), the concordance index (C-index), calibration plots, decision curve analysis (DCA), and Five folds cross-validation by 200 times.

NCT ID: NCT05184153 Completed - Prognostic Factors Clinical Trials

Medullary Colonic Carcinoma

MEDCCR
Start date: March 3, 2020
Phase:
Study type: Observational

Retrospective cohort of 10 cases of colonic adenocarcinoma of medullary type, operated between 2000 and 2020 at the University Hospital of Limoges. Collection of relevant data for this rare entity. Subgroup analysis in search of prognostic factors. Comparison of the data from our cohort with those from the literature.

NCT ID: NCT04776837 Completed - Colorectal Cancer Clinical Trials

Predicting Disease Progression and/or Recurrence in Cancer

Start date: May 15, 2019
Phase:
Study type: Observational

This is a prospective study addressing the challenge of predicting disease progression and/or recurrence in patients diagnosed with metastatic colorectal, pancreatobiliary, or esophagogastric cancer that are receiving anti-cancer therapy.

NCT ID: NCT01169792 Completed - Breast Neoplasms Clinical Trials

Study of Cytochrome P450 Polymorphisms (CYP2D6, CYP3A4/5 and CYP2C19) in Breast Cancer Patients

Start date: n/a
Phase: N/A
Study type: Observational

The genetic polymorphisms of the cytochrome P450 may influence on the metabolism of tamoxifen. The investigators want to - evaluate the frequency or incidence of the genetic polymorphisms of cytochrome P450 subfamilies(CYP2D6, CYP3A4/5 and CYP2C19) in breast cancer patients, and - analyze the association between the genetic polymorphisms of cytochrome P450 subfamilies and clinical outcomes in breast cancer patients treated by adjuvant tamoxifen therapy.