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Triptorelin

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https://www.readbyqxmd.com/read/30230294/adherence-to-hormonal-deprivation-therapy-in-prostate-cancer-in-clinical-practice-a-retrospective-single-centre-study
#1
Antonio Aliberti, Maida Bada, Sebastiano Rapisarda, Clara Natoli, Luigi Schips, Luca Cindolo
BACKGROUND: Androgen-deprivation therapy is one of the options available for treating both advanced and metastatic prostate cancer (PCa). It is used as an adjuvant or neoadjuvant therapy, either alone or in combination with radiotherapy (RT) or surgery. The aim of this study is to appraise adherence to ADT. METHODS: A total of 136 PCa patients on ADT (leuprorelin, triptorelin, and degarelix) were monitored between January 2008 and December 2015. Demographic, histopathological, and clinical data were collected...
September 19, 2018: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/30109712/preparation-of-a-radiolabeled-gnrh-i-analogue-derivative-with-111-in-as-a-new-anti-proliferative-agent
#2
Masoumeh Zoghi, Sima Attar Nosrati, Faramarz Rogni, Saaed Rajabifar
The new GnRH-Ιanalogue developed in this paper was based on the D-Trp6 -GnRH-Ι-scaffold, and its potency was increased by the replacement Gly-NH2 by NH-NH2 binding to the Gly at position 10. Triptorelin-Hydrazide analogue was synthesized using solid phase. For 111 In labeling, synthesized peptide was followed by conjugation with DOTA using pSCN-Bn-DOTA. The conjugated Triptorelin-Hydrazide was labeled with 500-550 MBq of 111 In-chloride (in 0.2 M HCl). At optimized conditions after labeling, radio-chromatography showed radiochemical purity of approximately equal to 98% (RTLC) and greater than 95% (HPLC)...
August 14, 2018: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/30091950/does-the-risk-of-arterial-hypertension-increase-in-the-course-of-triptorelin-treatment
#3
Laura Palma, Rossella Gaudino, Paolo Cavarzere, Franco Antoniazzi
BACKGROUND: Gonadotropin-releasing hormone agonists (GnRH-a) are common treatment options for central precocious puberty (CPP) in childhood. GnRH-a treatment is useful and has a good safety profile, with minimal adverse effects and no severe long-term consequences. The common side effects in children are menopause-like symptoms and local adverse events at the injection site. CASE PRESENTATION: We present the case of a girl with CPP who developed arterial hypertension from treatment with GnRH-a (triptorelin)...
August 8, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/30048969/gonadotropin-releasing-hormone-agonist-final-oocyte-maturation-and-human-chorionic-gonadotropin-as-exclusive-luteal-support-in-normal-responders
#4
Ronit Beck-Fruchter, Shira Baram, Yoel Geslevich, Amir Weiss
BACKGROUND/AIMS: Gonadotropin releasing hormone (GnRH) agonist triggering results in an endogenous gonadotropin flare. Although it effectively stimulates ovulation, GnRH agonist triggers results in an early luteolysis and requires modification of the luteal support. The current study aims to evaluate GnRH agonist triggering with exclusive human chorionic gonadotropin (hCG) luteal support. METHODS: In this prospective observational study, 56 normogonadotropic-assisted reproductive technology patients, stimulated using a GnRH-antagonist protocol, were studied...
July 26, 2018: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/29957076/triptorelin-depot-for-the-treatment-of-children-2-years-and-older-with-central-precocious-puberty
#5
REVIEW
Silvano Bertelloni, Cristina Mucaria, Giampiero I Baroncelli, Diego Peroni
Triptorelin depot is largely used to treat central precocious puberty (CPP) in children. Areas covered: This review updates triptorelin depot treatment of CPP, focusing on trials that compared 3.75 mg/28 day treated and untreated children till the adult height (AH). Efficacy of the new 11.25 mg/90 days or 22.5 mg/6 month formulations in suppressing pituitary-gonadal axis in short-term trials is also addressed. Short- and long-term safety was summarized. Expert commentary: Long experience on triptorelin depot use in children with CPP is available...
July 2018: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/29940586/growth-failure-in-children-with-systemic-juvenile-idiopathic-arthritis-and-prolonged-inflammation-despite-treatment-with-biologicals-late-normalization-of-height-by-combined-hormonal-therapies
#6
Francis de Zegher, Nele Reynaert, Lien De Somer, Carine Wouters, Mathieu Roelants
BACKGROUND: Biologicals targeting the interleukin (IL)-1β or IL-6 pathway are becoming prime choices for the treatment of children with systemic juvenile idiopathic arthritis (sJIA). Up to 1 in 3 sJIA children receiving such treatment continues to have inflammatory activity and to require supra-physiological glucocorticoid doses which may reduce growth velocity for years and may lead to an extremely short stature for age, if not for life. Currently, there is no long-term proposal to normalize the adult height of these children with sJIA...
June 25, 2018: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29789236/-study-of-the-beneficial-effects-of-triptorelin-on-lower-urinary-tract-symptoms-in-algeria-in-patients-with-non-localized-prostate-cancer
#7
K Hachi, K Boualga, K Chettibi, M Harouni, M Ounnoughene, N Bekkat-Berkani, P Maisonobe, M J Yousfi
INTRODUCTION: This study aims to assess the effectiveness of triptorelin on lower urinary tract symptoms (LUTS) in Algerian patients with non-localized prostate cancer in routine practice. MATERIALS: This prospective, observational, non-interventional, multicentre study was conducted in Algeria. Included patients who had locally advanced or metastatic prostate cancer and were treated with triptorelin 11.25mg given every 12 weeks. LUTS were evaluated with the International Prostate Symptom Score (IPSS) until week 48 after treatment initiation...
June 2018: Progrès en Urologie
https://www.readbyqxmd.com/read/29719573/synthesis-and-in-vitro-biochemical-evaluation-of-oxime-bond-linked-daunorubicin-gnrh-iii-conjugates-developed-for-targeted-drug-delivery
#8
Sabine Schuster, Beáta Biri-Kovács, Bálint Szeder, Viktor Farkas, László Buday, Zsuzsanna Szabó, Gábor Halmos, Gábor Mező
Gonadotropin releasing hormone-III (GnRH-III), a native isoform of the human GnRH isolated from sea lamprey, specifically binds to GnRH receptors on cancer cells enabling its application as targeting moieties for anticancer drugs. Recently, we reported on the identification of a novel daunorubicin-GnRH-III conjugate (GnRH-III-[4 Lys(Bu), 8 Lys(Dau=Aoa)] with efficient in vitro and in vivo antitumor activity. To get a deeper insight into the mechanism of action of our lead compound, the cellular uptake was followed by confocal laser scanning microscopy...
2018: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29715154/radiotherapy-plus-total-androgen-block-versus-radiotherapy-plus-lhrh-analog-monotherapy-for-non-metastatic-prostate-cancer
#9
Giulia Marvaso, Anna Viola, Cristiana Fodor, Barbara A Jereczek-Fossa
BACKGROUND/AIM: Patients with locally advanced prostate cancer are generally treated with radiotherapy (RT) which can be combined with hormonal therapy. RT plus monotherapy with luteinizing hormone-releasing hormone (LHRH) analog triptorelin was compared to RT plus total androgen block (TAB). PATIENTS AND METHODS: A retrospective study was carried out on patients with locally advanced prostate cancer comparing RT plus monotherapy versus RT plus TAB. RESULTS: For overall survival, no differences between patients receiving RT with monotherapy and those treated with TAB were observed...
May 2018: Anticancer Research
https://www.readbyqxmd.com/read/29684629/mid-luteal-phase-gonadotropin-releasing-hormone-agonist-support-in-frozen-thawed-embryo-transfers-during-artificial-cycles-a-prospective-interventional-pilot-study
#10
Jaana Seikkula, Katja Ahinko, Päivi Polo-Kantola, Leena Anttila, Saija Hurme, Helena Tinkanen, Varpu Jokimaa
OBJECTIVE: To assess the effect of an additional single mid-luteal dose of gonadotropin-releasing hormone agonist (GnRHa) on pregnancy and perinatal outcomes in hormonally substituted frozen embryo transfer (FET) cycles. STUDY DESIGN: A prospective interventional pilot study. Women scheduled for FET were randomly selected to receive standard hormonal replacement therapy (HRT) for endometrial preparation or HRT with a single additional subcutaneous dose of 0.1mg triptorelin at the time of implantation...
April 20, 2018: Journal of Gynecology Obstetrics and Human Reproduction
https://www.readbyqxmd.com/read/29672523/optimal-dynamic-control-approach-in-a-multi-objective-therapeutic-scenario-application-to-drug-delivery-in-the-treatment-of-prostate-cancer
#11
Itziar Irurzun-Arana, Alvaro Janda, Sergio Ardanza-Trevijano, Iñaki F Trocóniz
Numerous problems encountered in computational biology can be formulated as optimization problems. In this context, optimization of drug release characteristics or dosing schedules for anticancer agents has become a prominent area not only for the development of new drugs, but also for established drugs. However, in complex systems, optimization of drug exposure is not a trivial task and cannot be efficiently addressed through trial-error simulation exercises. Finding a solution to those problems is a challenging task which requires more advanced strategies like optimal control theory...
April 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29620680/triptorelin-for-fertility-preservation-in-adolescents-treated-with-chemotherapy-for-cancer
#12
Mariaclaudia Meli, Manuela Caruso-Nicoletti, Milena La Spina, Luca Lo Nigro, Piera Samperi, Salvatore D'Amico, Francesco Bellia, Vito Miraglia, Maria Licciardello, Emanuela Cannata, Silvia Marino, Carla Cimino, Federica Puglisi, Laura Lo Valvo, Agnese Pezzulla, Giovanna Russo, Andrea Di Cataldo
BACKGROUND: Triptorelin, a gonadotropin releasing hormone analogue, can be administered to postpubertal female individuals with cancer who receive chemotherapy to obtain menstrual suppression and decrease the risk of hemorrhage caused by thrombocytopenia. Our goal was to assess whether triptorelin also has a protective role against the gonadotoxicity of chemotherapy. PATIENTS AND METHODS: This retrospective observational study includes all postmenarchal female patients who presented to our Unit from 2000 to 2015 and received chemotherapy for cancer...
May 2018: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29596439/expression-of-progenitor-markers-is-associated-with-the-functionality-of-a-bioartificial-adrenal-cortex
#13
Mariya Balyura, Evgeny Gelfgat, Charlotte Steenblock, Andreas Androutsellis-Theotokis, Gerard Ruiz-Babot, Leonardo Guasti, Martin Werdermann, Barbara Ludwig, Tobias Bornstein, Andrew V Schally, Ana Brennand, Stefan R Bornstein
Encapsulation of primary bovine adrenocortical cells in alginate is an efficacious model of a bioartificial adrenal cortex. Such a bioartificial adrenal cortex can be used for the restoration of lost adrenal function in vivo as well as for in vitro modeling of the adrenal microenvironment and for investigation of cell-cell interactions in the adrenals. The aim of this work was the optimization of a bioartificial adrenal cortex, that is the generation of a highly productive, self-regenerating, long-term functioning and immune tolerant bioartificial organ...
2018: PloS One
https://www.readbyqxmd.com/read/29587718/triptorelin-relieves-lower-urinary-tract-symptoms-in-chinese-advanced-prostate-cancer-patients-a-multicenter-non-interventional-prospective-study
#14
MULTICENTER STUDY
Le-Ye He, Ming Zhang, Zhi-Wen Chen, Jian-Lin Yuan, Ding-Wei Ye, Lu-Lin Ma, Hui Wei, Jiang-Gen Yang, Shan Chen, Ben Wan, Shu-Jie Xia, Zhi-Liang Weng, Xiang-Bo Kong, Qiang Wei, Feng-Shuo Jin, Xiang-Hua Zhang, Wei-Qing Qian, Shu-Sheng Wang, Ying-He Chen, Hong-Shun Ma, Ying-Hao Sun, Xu Gao
BACKGROUND: Although triptorelin is increasingly used in China for biochemical castration, its effects on primary prostate cancer symptoms remain unclear. This study aimed to assess the prevalence of lower urinary tract symptoms (LUTS) in Chinese prostate cancer patients and the effectiveness of triptorelin on LUTS. METHODS: In this 48-week multicenter, non-interventional, prospective study, we enrolled patients with locally advanced or metastatic prostate cancer...
March 27, 2018: BMC Urology
https://www.readbyqxmd.com/read/29551913/spotlight-on-triptorelin-in-the-treatment-of-premenopausal-women-with-early-stage-breast-cancer
#15
REVIEW
Marta Venturelli, Giorgia Guaitoli, Claudia Omarini, Luca Moscetti
Endocrine treatment represents the cornerstone of endocrine-sensitive premenopausal early breast cancer. The estrogen blockade plays a leading role in the therapeutic management of hormone receptor-positive breast cancer together with surgery, radiotherapy, and selective antiestrogen treatments. For several years, selective estrogen receptor modulators, such as tamoxifen, have represented the mainstay of therapy. The role of amenorrhea has been extensively elucidated in the past year: the benefit observed with chemotherapy-induced amenorrhea has strengthened its therapeutic role...
2018: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/29516878/predictive-factors-for-pituitary-response-to-pulsatile-gnrh-therapy-in-patients-with-congenital-hypogonadotropic-hypogonadism
#16
Jiang-Feng Mao, Xi Wang, Jun-Jie Zheng, Zhao-Xiang Liu, Hong-Li Xu, Bing-Kun Huang, Min Nie, Xue-Yan Wu
Pulsatile gonadotropin-releasing hormone (GnRH) may induce spermatogenesis in most patients with congenital hypogonadotropic hypogonadism (CHH) by stimulating gonadotropin production, while the predictors for a pituitary response to pulsatile GnRH therapy were rarely investigated. Therefore, the aim of our study is to investigate predictors of the pituitary response to pulsatile GnRH therapy. This retrospective cohort study included 82 CHH patients who received subcutaneous pulsatile GnRH therapy for at least 1 month...
July 2018: Asian Journal of Andrology
https://www.readbyqxmd.com/read/29484896/three-cases-of-transient-hyperthyroidism-after-triptorelin-treatment-case-report-and-literature-review
#17
Junjun Miao, Qianhua Yan, Lijuan Wang, Xin Wang
The impacts of gonadtropin-releasing hormone (GnRH) agonists on thyroid function have long been observed and the conclusions were controversial. We here reported three cases of transient hyperthyroidisms after triptorelin therapy. The three patients showed decreased thyroid-stimulating hormone (TSH), with or without elevated free triiodothyronine (FT3) and free thyroxine (FT4) 2 weeks after injection of triptorelin. Thyroid-specific autoantibody assays showed antithyroid microsome autoantibody (TMAb) and (or) antithyroglobulin autoantibody (TgAb) were positive in two patients while and antithyrotropin receptor autoantibody (TRAb) were negative in all three cases...
September 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29458110/investigation-of-adhesive-interactions-in-the-specific-targeting-of-triptorelin-conjugated-peg-coated-magnetite-nanoparticles-to-breast-cancer-cells
#18
Jingjie Hu, Sina Youssefian, John Obayemi, Karen Malatesta, Nima Rahbar, Winston Soboyejo
The understanding of adhesive interaction at the nanoscale between functionalized nanoparticles and biological cells is of great importance to develop effective theranostic nanocarriers for targeted cancer therapy. Here, we report a combination of experimental and computational approaches to evaluate the adhesion between Triptorelin (a Luteinizing Hormone-Releasing Hormone (LHRH) agonist)-conjugated poly-(ethylene glycol) (PEG)-coated magnetite nanoparticles (Triptorelin-MNPs) and breast cells. The adhesion forces between Triptorelin-MNPs and normal/cancerous breast cells are obtained using atomic force microscopy...
April 15, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29439618/effect-of-prolonged-gnrh-agonist-downregulation-on-icsi-outcome-in-patients-with-endometriomas-of-less-than-5-cm-a-randomized-controlled-trial
#19
Ahmed Mohamed Maged, Hamsa Rashwan, Maryam Mahmood, Akmal El-Mazny, Mona Farouk, Doaa S Belal, Heba M Marie
OBJECTIVE: To evaluate the effect of prolonged Gonadotropin releasing hormone (GnRH) agonist downregulation in patients with endometriomas of less than 5 cm on the outcome of the proceeding Intracytoplasmic sperm injection (ICSI) trial. METHODS: In a randomized controlled trial at a university teaching hospital, 90 patients indicated for ICSI and having unilateral single endometrioma of less than 5 cm in diameter were randomized into 2 groups. Group A (45 patients) received the standard long protocol; whereas group B (45 patients) received 3 consecutive Intramuscular (IM) injections of triptorelin 3...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29438592/are-all-gonadotrophin-releasing-hormone-agonists-equivalent-for-the-treatment-of-prostate-cancer-a-systematic-review
#20
REVIEW
Eva M Bolton, Thomas Lynch
To review direct comparative studies of the gonadotrophin-releasing hormone (GnRH) agonists goserelin, triptorelin, and leuprorelin for the treatment of prostate cancer, and identify whether there are meaningful clinical differences between these agents. In June 2017, the following searches were performed independently by two reviewers in PubMed: (i) 'prostate cancer' and 'triptorelin' and 'leuprorelin', (ii) 'prostate cancer' and 'triptorelin' and 'goserelin', and (iii) 'prostate cancer' and 'goserelin' and 'leuprorelin', without time restriction...
September 2018: BJU International
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