Renal Cell Carcinoma Clinical Trial
Official title:
Znaczenie Kliniczne przywierającego tłuszczu okołonerkowego u pacjentów Poddawanych Resekcji Guza Nerki
NCT number | NCT05887245 |
Other study ID # | nr 21/2023 |
Secondary ID | |
Status | Recruiting |
Phase | |
First received | |
Last updated | |
Start date | April 17, 2023 |
Est. completion date | January 1, 2030 |
The aim of this study is to gain a better understanding of the phenomenon of adherent perinephric fat (APF), which occurs in some patients undergoing partial nephrectomy (PN). This phenomenon, so-called "toxic fat", is a commonly recognized problem among urologists, but its significance has not yet been fully understood. The study aims to identify new clinical risk factors for APF occurrence and evaluate its impact on functional, perioperative, and oncological treatment outcomes. The study will be conducted on patients who are qualified for PN surgery. Prior to the surgical procedure, venous blood will be collected, which will be used for various measurements, such as blood morphology, kidney parameters, inflammation markers, liver function tests, glucose, and lipid profile. In addition, medical data will be collected concerning the patient's overall health, observed changes in the kidney, perioperative course, hospitalization, and histopathological characteristics of the tumor. After treatment, patients will be followed up for up to 60 months. The knowledge gained from this study can significantly assist in making decisions about surgical treatment and thus contribute to improving the treatment outcomes of patients with kidney tumors.
Status | Recruiting |
Enrollment | 200 |
Est. completion date | January 1, 2030 |
Est. primary completion date | April 17, 2025 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Patients qualified for partial nephrectomy by open, laparoscopic, or robotic method - Tumor stage cT1a-cT1b according to Tumour Node Metastasis classification - Age = 18 years - Written consent to participate in the study Exclusion Criteria: - Patient does not give consent to participate in the study - Patients with recurrent kidney cancer, or who have undergone other surgeries within the kidney - Lack of preoperative imaging available for assessment - Missing medical documentation that prevents data analysis |
Country | Name | City | State |
---|---|---|---|
Poland | European Health Centre, Second Department of Urology, Centre of Postgraduate Medical Education | Otwock |
Lead Sponsor | Collaborator |
---|---|
Centre of Postgraduate Medical Education |
Poland,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Evaluation of clinical risk factors for the occurrence of adherent perinephric fat in patients undergoing partial nephrectomy. | The following variables will be evaluated:
Anthropometric (sex; age in years; weight in kilograms; height in centimeters; waist circumference in centimeters) and comorbidity data (assessed with Charlson Comorbidity Index, 0-24). Laboratory test results (C-reactive protein in mg/l; total cholesterol in mg/dl; triglycerides in mg/dl; high density lipoprotein in mg/dl; low density lipoprotein in mg/dl; ferritin in ng/ml; fasting glucose in mg/dl; creatinine in mg/dl; glomerular filtration rate calculated with the Modification of Diet in Renal Disease equation in ml/min/1,73 m²; white blood cell in G/l; lymphocyte in G/l; monocyte in G/l; hemoglobin in g/dl; platelets in G/l; neutrophil in G/l). Imaging data and tumor features (maximum tumor diameter in millimeters; perirenal fat thickness in millimeters; Mayo Adhesive Probability score, 0 - 5; RENAL Nephrometry Score, 4 - 12). |
Data gathered in the pre-operative period. Blood samples collected one day prior to surgery. | |
Secondary | Evaluation of the impact of adherent perinephric fat on functional, perioperative, and oncological treatment outcomes. | The following variables will be evaluated:
Peri-operative (operative time in minutes; warm ischemia time in minutes; estimated blood loss in minutes) and post-operative data (complications assessed with Clavien-Dindo Classification, I-V). Tumor histopathological characteristics (tumor type; maximum tumor diameter in millimeters; tumor stage according to the Tumour Node Metastasis classification; Fuhrman grade 1-4; surgical margins 0-1). Oncological (recurrence-free survival in months, overall survival in months), functional (estimated glomerular function change in ml/min/1,73 m²) outcomes. |
Data gathered in the post-operative period. Observation period 6,12, 24, and 60 months after treatment. |
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