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First-in-Humans App...
First-in-Humans Application of Tb-161: A Feasibility Study Using Tb-161-DOTATOC
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Baum, R. P. (författare)
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Singh, A. (författare)
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Kulkarni, H. R. (författare)
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- Bernhardt, Peter, 1966 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för medicinsk strålningsvetenskap,Institute of Clinical Sciences, Department of Medical Radiation Sciences
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- Rydén, Tobias (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för medicinsk strålningsvetenskap,Institute of Clinical Sciences, Department of Medical Radiation Sciences
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Schuchardt, C. (författare)
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Gracheva, N. (författare)
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Grundler, P. V. (författare)
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Koster, U. (författare)
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Muller, D. (författare)
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Prohl, M. (författare)
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Zeevaart, J. R. (författare)
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Schibli, R. (författare)
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van der Meulen, N. P. (författare)
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Muller, C. (författare)
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(creator_code:org_t)
- 2021-02-05
- 2021
- Engelska.
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Ingår i: Journal of Nuclear Medicine. - : Society of Nuclear Medicine. - 0161-5505 .- 2159-662X. ; 62:10, s. 1391-1397
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Abstract
Ämnesord
Stäng
- Tb-161 has decay properties similar to those of Lu-177 but, additionally, emits a substantial number of conversion and Auger electrons. The aim of this study was to apply Tb-161 in a clinical setting and to investigate the feasibility of visualizing the physiologic and tumor biodistributions of Tb-161-DOTATOC. Methods: Tb-161 was shipped from Paul Scherrer Institute, Villigen-PSI, Switzerland, to Zentralklinik Bad Berka, Bad Berka, Germany, where it was used for the radiolabeling of DOTATOC. In 2 separate studies, 596 and 1,300 MBq of Tb-161-DOTATOC were administered to a 35-y-old male patient with a metastatic, well-differentiated, nonfunctional malignant paraganglioma and a 70-y-old male patient with a metastatic, functional neuroendocrine neoplasm of the pancreatic tail, respectively. Whole-body planar g-scintigraphy images were acquired over a period of several days for dosimetry calculations. SPECT/CT images were reconstructed using a recently established protocol and visually analyzed. Patients were observed for adverse events after the application of Tb-161-DOTATOC. Results: The radiolabeling of DOTATOC with Tb-161 was readily achieved with a high radiochemical purity suitable for patient application. Planar images and dosimetry provided the expected time-dependent biodistribution of Tb-161-DOTATOC in the liver, kidneys, spleen, and urinary bladder. SPECT/CT images were of high quality and visualized even small metastases in bones and liver. The application of Tb-161-DOTATOC was well tolerated, and no related adverse events were reported. Conclusion: This study demonstrated the feasibility of imaging even small metastases after the injection of relatively low activities of Tb-161-DOTATOC using g-scintigraphy and SPECT/CT. On the basis of this essential first step in translating Tb-161 to clinics, further efforts will be directed toward the application of Tb-161 for therapeutic purposes.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
Nyckelord
- Tb-161
- SPECT/CT imaging
- DOTATOC
- Auger electrons
- first-in-humans
- therapy
- lu-177
- radionuclides
- spect
- Radiology
- Nuclear Medicine & Medical Imaging
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Baum, R. P.
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Singh, A.
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Kulkarni, H. R.
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Bernhardt, Peter ...
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Rydén, Tobias
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Schuchardt, C.
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visa fler...
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Gracheva, N.
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Grundler, P. V.
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Koster, U.
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Muller, D.
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Prohl, M.
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Zeevaart, J. R.
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Schibli, R.
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van der Meulen, ...
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Muller, C.
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visa färre...
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Göteborgs universitet