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Brief Title: Diagnostic Imaging for Clear Cell Renal Cell Carcinoma
Official Title: "An Exploratory Study Regarding the Use of the Biomarker Dopamine Transporter (DAT) for Image Diagnosis of Clear Cell Renal Cell Carcinoma"
Study ID: NCT03185182
Brief Summary: The main objective is to study whether imaging detection of the biomarker DAT can be used to detect kidney tumors identified by computer tomography (CT), which are pathologically assesses as being of the clear cell subtype.
Detailed Description: Main objective of the trial: The main objective is to investigate whether DaTSCAN with subsequent SPECT can detect elevated DAT levels in at least a lesion identified with CT in patients with clear cell renal cell carcinoma, as assesed by pathologist? DaTSCAN signal will be seen as positive, displaying intensity ≥3ggr higher than the background and correlating anatomically with at least one lesion found with CT. DaTSCAN is used routinely to detect the loss of dopaminergic neurons in the striatum of patients with clinically uncertain Parkinsonian Syndromes. The active substance in DaTSCAN, Ioflupane specifically binds to DAT. By analyzing the focal uptake of Ioflupane (123I) with SPECT / CT the progression of the disease may be clarified. In light of our findings that clear cell renal cancer express significantly elevated levels of DAT, we postulate that DaTSCAN can be used for detection of clear cell renal cell carcinoma. Protection of trial subjects: Very few adverse effects are reported for DatSCAN use. In this study we used the same dose and route of administration as is praxis for DaTSCAN when used for diagnostic investigation of Parkinsons disease. Albeit uncommon, pain at the injection site has been previously reported when the solution was injected into a small vain. To minimise the potential for pain at the injection site during administration in this study, a slow intravenous injection (not less than 15 to 20 seconds) via an arm vein was therefore applied. The injections were performed by routined staff at Skåne University Hospital, Department of Clinical Physiology / Nuclear Medicine in Malmö, where usual clinical preparedness for allergic reactions after injection was available. Background therapy: Patients underwent appropriate thyroid blocking treatment prior to injection of DaTSCAN, to minimise thyroid uptake of radioactive iodine. In this study, this was achieved by oral administration of 2x 65 mg potassium iodide tablettes on the night before the DaTSCAN investigation and another 2x 65 mg potassium iodine tabletts 1 hour prior to injection of DaTSCAN.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Skåne University hospital SUS, Lund, , Sweden
Name: Peter Elfving, M.D. PhD
Affiliation: Region Skane
Role: PRINCIPAL_INVESTIGATOR