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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT06268379
Other study ID # #08-01-03-23
Secondary ID
Status Completed
Phase
First received
Last updated
Start date February 15, 2010
Est. completion date December 15, 2021

Study information

Verified date February 2024
Source Cabrini Health
Contact n/a
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

This project will examine the outstanding statistical techniques for predicting the survival of patients with colorectal cancer (CRC) (colorectal neoplasia database). The motivating clinical question that led to proposing this project is based on the general assumption that: "Right-sided colorectal cancer (CRC) has worse survival than left-sided CRC." The question is, which aspects of the patient's characteristics are responsible for this difference? This led us to BMA model selection and provide a clinician-friendly online nomogram.


Description:

Translational statistics merges biostatistics and clinical research to communicate research findings effectively. Nomograms, graphical representations integrating independent prognostic factors, are valuable tools in colorectal cancer (CRC) research. Bayesian models for variable selection in survival outcome prediction offer advantages through Bayesian model averaging (BMA). This study aimed to utilise BMA for variable selection and develop a clinician-friendly online dynamic nomogram for survival prediction. A retrospective study utilised the Cabrini Monash colorectal neoplasia database, including colon cancer patients who underwent surgery. Data on demographics, perioperative risks, treatment details, mortality, morbidity, and survival were collected. BMA was employed for Bayesian variable selection to identify effective risk factors for survival prediction. Sensitivity analyses using Cox-LASSO and imputation of missing data were performed. Prognostic online dynamic nomograms were constructed using selected risk factors and the R-package DynNom.


Recruitment information / eligibility

Status Completed
Enrollment 2475
Est. completion date December 15, 2021
Est. primary completion date December 15, 2021
Accepts healthy volunteers
Gender All
Age group 22 Years to 101 Years
Eligibility Inclusion Criteria: In this study, patients were included based on specific selection criteria: being 18 years old or older, having a diagnosis of colon adenocarcinoma (or post polypectomy of the same condition), and having undergone surgery for colon cancer. Exclusion Criteria: Patients with rectal cancer, neuroendocrine tumours, lymphomas and those who underwent trans-anal surgery were not included in the study.

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Surgery
Not an interventional study, it is an observational, longitudinal study.

Locations

Country Name City State
Australia Cabrini Health Melbourne Victoria

Sponsors (1)

Lead Sponsor Collaborator
Cabrini Health

Country where clinical trial is conducted

Australia, 

References & Publications (5)

Borumandnia N, Doosti H, Jalali A, Khodakarim S, Charati JY, Pourhoseingholi MA, Talebi A, Agah S. Nomogram to Predict the Overall Survival of Colorectal Cancer Patients: A Multicenter National Study. Int J Environ Res Public Health. 2021 Jul 21;18(15):77 — View Citation

Jalali A, Alvarez-Iglesias A, Roshan D, Newell J. Visualising statistical models using dynamic nomograms. PLoS One. 2019 Nov 15;14(11):e0225253. doi: 10.1371/journal.pone.0225253. eCollection 2019. — View Citation

Maity AK, Basu S, Ghosh S. Bayesian criterion-based variable selection. Journal of the Royal Statistical Society Series C: Applied Statistics. 2021;70(4):835-857.

Siegel RL, Miller KD, Goding Sauer A, Fedewa SA, Butterly LF, Anderson JC, Cercek A, Smith RA, Jemal A. Colorectal cancer statistics, 2020. CA Cancer J Clin. 2020 May;70(3):145-164. doi: 10.3322/caac.21601. Epub 2020 Mar 5. — View Citation

Sung H, Ferlay J, Siegel RL, Laversanne M, Soerjomataram I, Jemal A, Bray F. Global Cancer Statistics 2020: GLOBOCAN Estimates of Incidence and Mortality Worldwide for 36 Cancers in 185 Countries. CA Cancer J Clin. 2021 May;71(3):209-249. doi: 10.3322/caa — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary OS Overall Survival, time from sugary to death or last follow up 2011-2021
Primary RFS Relapse-free Survival, time from sugary to death or last follow up for those without relapse. 2011-2021
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