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Image-guided Biopsy clinical trials

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

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NCT ID: NCT02758535 Completed - Complications Clinical Trials

Renal Parenchymal Core Needle Biopsy

Start date: March 2015
Phase: N/A
Study type: Interventional

Percutaneous image-guided parenchymal renal biopsy has been used to detect the different pathologies of renal parenchyma, to define the degree of reversible changes, and to define when the medical treatment fails. Percutaneous core needle renal biopsy has been reported to have a higher diagnostic yield compared to fine needle aspiration. Percutaneous core needle renal biopsy is usually based on tissue sampling under guidance of either sonography or computed tomography. Renal parenchymal biopsy can be done either with a coaxial or noncoaxial technique. In coaxial technique, the introducing needle is placed in the renal parenchyma; then, multiple tissue sampling can be performed throughout the same tract. Alternatively, in noncoaxial technique, biopsy needle is inserted repeatedly for each tissue sampling. Although there are some reports regarding the comparison of coaxial and noncoaxial methods of renal mass biopsy, comparison of the two methods in renal parenchymal biopsy has not yet been described in the literature. In this prospective study, the investigators sought to compare the procedural time and the complication rate of coaxial technique with those of noncoaxial technique in percutaneous renal parenchymal biopsy.