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- Garske-Román, Ulrike, 1963-
(author)
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177Lu-DOTA-octreotate Radionuclide Therapy of Neuroendocrine Tumours : Dosimetry-Based Therapy Planning and Outcome
- 2012
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Doctoral thesis (other academic/artistic)abstract
- Peptide receptor radionuclide therapy for the internal radiation of neuroendocrine tumours expressing somatostatin receptors has made great advances and offers promising results. 177Lu-DOTA-octreotate is one of the most widely used radiopeptides, but kidneys and bone marrow are organs at risk. Methods of measuring radiation doses to at-risk organs and tumours (dosimetry) on an individual patient basis have been regarded as impracticable and a maximum of 4 treatment cycles has widely been accepted as the treatment standard instead.The first aim of this thesis was to establish a clinically feasible protocol to calculate absorbed doses to bone marrow and the kidneys during therapy with 177Lu-DOTA-octreotate. A new dosimetry protocol for the bone marrow was described. Dosimetry for solid organs had previously been described based on 3-dimensional imaging by the research group. In the current thesis it was demonstrated that in most patients only minor changes of the effective half-life occurred in the kidneys. By performing complete dosimetry during the first cycle and comparing it with the uptake in later cycles, it was shown that the absorbed dose can be cal-culated based on the activity concentration at 24 hours after therapy. The study concluded that 50% of all patients could receive more than the standard 4 treatment cycles with 7.4 GBq 177Lu-DOTA-octreotate without passing the limit of 23 Gray to the kidneys or 2 Gray to the bone marrow, whereas 20% would tolerate fewer than 4 cycles. The second aim was to describe treatment outcomes of dosimetry-guided therapy with 177Lu-DOTA-octreotate. Patients with metastasized colorectal neuroendocrine tumours and bronchial carcinoids were shown to have longer survival with this method than previously reported. Morphological tumour response could be correlated to time to progression. Furthermore, in a case of low-differentiated neuroendocrine cancer it was shown that large tumours with high proliferation can also be treated with this method and that tumour-to-risk organ ratios can improve in later cycles, resulting in a more effective treatment.Dosimetry-guided, fractionated radionuclide therapy with 177Lu-DOTA-octreotate is a valuable treatment option for patients with advanced neuroendocrine tumours expressing somatostatin receptors.
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- Hicks, Rodney J., et al.
(author)
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ENETS Consensus Guidelines for the Standards of Care in Neuroendocrine Neoplasms : Peptide Receptor Radionuclide Therapy with Radiolabelled Somatostatin Analogues
- 2017
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In: Neuroendocrinology. - : KARGER. - 0028-3835 .- 1423-0194. ; 105:3, s. 295-309
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Journal article (peer-reviewed)abstract
- The purpose of these guidelines is to assist physicians caring for patients with neuroendocrine neoplasia in considering eligibility criteria for peptide receptor radionuclide therapy (PRRT) and in defining the minimum requirements for PRRT. It is not these guidelines' aim to give recommendations on the use of specific radiolabelled somatostatin analogues for PRRT as different analogues are being used, and their availability is governed by varying international regulations. However, a recent randomized controlled trial, NETTER-1, has provided evidence that may establish Lu-177-DOTA-octreotate (LutaThera (R)) as the first widely approved agent. It also makes recommendations on what minimal patient, tumour, and treatment outcome characteristics should be reported for PRRT to facilitate robust comparisons between studies.
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- Lim, Eric, et al.
(author)
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Proceedings of the IASLC International Workshop on Advances in Pulmonary Neuroendocrine Tumors 2007
- 2008
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In: Journal of Thoracic Oncology. - 1556-0864 .- 1556-1380. ; 3:10, s. 1194-1201
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Journal article (peer-reviewed)abstract
- The International Association for the Study of Lung Cancer, (IASLC) International Congress on Advances in Pulmonary Neuroendocrine Tumors was a two-day meeting held at the Royal Brompton Hospital in London, United Kingdom on the thirteenth and forteenth of December 2007. The meeting was led by 14 member international faculty-in the disciplines of pathology, surgery, medicine, oncology, endocrinology, nuclear medicine, diagnostic imaging, and biostatistics. The aims were twofold, as an educational meeting, and to develop the IASLC International Pulmonary Neuroendocrine Tumors Registry. The meeting highlighted the difference in presentation of the tumors, management options for early and advanced stage disease including the use of novel agents and approaches. The need, process, and approach to an International Registry of Pulmonary Neuroendocrine Tumors were emphasized. International collaboration to develop a retrospective registry, prospective data collection, virtual tissue bank, and collaborative clinical trials were universally agreed as the best way to advance our understanding and treatment of these rare tumors.
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- Strosberg, Jonathan R., et al.
(author)
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NETTER-1 phase III : Progression-free survival, radiographic response, and preliminary overall survival results in patients with midgut neuroendocrine tumors treated with 177-Lu-Dotatate
- 2016
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In: Journal of Clinical Oncology. - Univ S Florida, H Lee Moffitt Canc Ctr, Tampa, FL 33682 USA. Univ Kentucky, Lexington, KY USA. Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA. Dana Farber Canc Inst, Boston, MA 02115 USA. Vet Adm Med Ctr, Iowa City, IA USA. Royal Free Hosp, Pond St, London NW3 2QG, England. Zent Klin Bad Berka, Bad Berka, Germany. Stanford Univ, Sch Med, Stanford, CA 94305 USA. Mayo Clin, Coll Med, Dept Oncol, Rochester, MN USA. Cedars Sinai Med Ctr, Samuel Oschin Comprehens Canc Inst, Los Angeles, CA 90048 USA. Univ Uppsala Hosp, Uppsala, Sweden. Adv Accelerator Applicat, New York, NY USA. Erasmus Univ, Med Ctr, Rotterdam, Netherlands. Beaujon Hosp, Clichy, France. Erasmus MC, Rotterdam, Netherlands.. - 0732-183X .- 1527-7755. ; 34:4
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Journal article (other academic/artistic)
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