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Carcinoma, Renal Cell clinical trials

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NCT ID: NCT06145139 Enrolling by invitation - Renal Cancer Clinical Trials

KIDNEY-PAGER: Analysis of Circulating Tumor DNA as a Biomarker in Renal Cancer - an Observational Trial

KIDNEY-PAGER
Start date: June 1, 2023
Phase:
Study type: Observational [Patient Registry]

The overall aim of this observational study is to confirm that circulating tumor DNA (ctDNA) detected in plasma and or urine after intended curative treatment for renal cell carcinoma (RCC) can be applied in clinical practice as a marker of subclinical residual disease and risk of recurrence.

NCT ID: NCT04831138 Enrolling by invitation - Clinical trials for Renal Cell Carcinoma

Non-Contrast Perfusion Using Arterial Spin Labeled MR Imaging for Assessment of Therapy Response in Metastatic Renal Cell Carcinoma

Start date: March 24, 2021
Phase: N/A
Study type: Interventional

Magnetic Resonance Imaging (MRI) including Arterial Spin Labeling (ASL) will be performed before, during, and after the treatment, in a total of up to 6 MRI sessions until 7 months after the first session, or when progression is clinically indicated. Thereafter, patients will be followed through standard clinical examinations for the next 3 years or until demise, whichever occurs first. Clinically, metastatic renal cell carcinoma (RCC) patients are imaged every 2-3 months after the initiation of anti-angiogenic therapy, since morphological (i.e. size) changes are not anticipated earlier. However, our preliminary experience has shown functional changes including perfusion as early as 2-weeks after the initiation of the treatment. T0, T1, and T2 sessions will be performed for this proposal, while T3, T4, and T5 will be performed along with the clinical imaging sessions. All MR imaging sessions will be scheduled within ±1 or ±2 weeks of the target time period. The research MR imaging may take approximately an additional 15 minutes per each imaging session, when done in conjunction with the clinical imaging. The T0, T1, and T2 research MR imaging sessions will be performed additionally for the purpose of this study, with each taking approximately one hour.

NCT ID: NCT00102544 Enrolling by invitation - Prostate Cancer Clinical Trials

Use of Tracking Devices to Locate Abnormalities During Invasive Procedures

Start date: February 23, 2005
Phase: N/A
Study type: Interventional

This study will evaluate the accuracy and effectiveness of an experimental tracking device for locating abnormalities during invasive procedures, such as biopsy or ablation, that cannot easily be visualized by usual imaging techniques, such as computed tomography (CT) scans or ultrasound. Some lesions, such as certain liver or kidney tumors, small endocrine abnormalities, and others, may be hard to find or only visible for a few seconds. The new method uses a needle with a miniature tracking device buried inside the metal that tells where the tip of the needle is located, somewhat like a mini GPS, or global positioning system. It uses a very weak magnet to localize the device like a miniature satellite system. This study will explore whether this system can be used in the future to more accurately place the needle in or near the desired location or abnormality. Patients 18 years of age and older who have a lesion that needs to be biopsied or an ablation procedure that requires CT guidance may be eligible for this study. Candidates are screened with a medical history and review of medical records, including imaging studies. Participants undergo the biopsy or ablation procedure as they normally would, with the following exceptions: some stickers are placed on the skin before the procedure and a very weak magnet is placed nearby. The needles used are similar to the ones that would normally be used except that they contain a metal coil or spring buried deep within the needle metal. The procedure involves the following steps: 1. Small 1-cm plastic donuts are place on the skin with tape. 2. A planning CT scan is done. 3. The CT scan is sent to the computer and matched to the patient's body location with the help of a very weak magnet. 4. The needle used for the procedure is placed towards the target tissue or abnormality and the "smart needle" location lights up on the old CT scan. 5. A repeat CT is done as it normally is to look for the location of the needle. 6. After the procedure the CT scans are examined to determine how well the new tool located the needle in the old scan.