Abstract:
:In the last few years, several new drugs with various mechanisms of action have been approved for the treatment of castration-resistant prostate cancer. Due to this development, therapeutic decision-making has become increasingly complex. Therefore, therapy selection as well as timing and sequence of treatments need to be optimized in an individual manner. In addition, also for these novel therapies, baseline and acquired as well as cross-resistance have been observed. Underlying mechanisms become increasingly clear, resulting in a shift from empiric-based towards rational-based therapeutic decision-making. In the present review, we provide an overview on the resistance mechanisms against the most frequently applied systemic treatments of metastatic castration-resistant prostate cancer such as docetaxel, abiraterone and enzalutamide. We summarize - among others - the mechanisms by MDR (multidrug-resistant) protein expression, alterations of androgen receptor, Wnt, p53 and DNA-repair pathways (BRCA/ATM) as well as resistance through therapy-induced neuroendocrine differentiation of the tumour. Orv Hetil. 2020; 161(20): 813-820. :A metasztatikus kasztrációrezisztens prosztatarák kezelésére az elmúlt években számos új, különböző hatásmechanizmusú gyógyszeres kezelés vált elérhetővé. Ez a fejlődés a terápiás döntéshozatalt egyre nehezebbé teszi. Az újabb kezelésekkel szemben is megfigyelhető az alapvonali, a szerzett és a keresztrezisztencia jelensége is. Ezért tehát az elsődleges terápia helyes megválasztása mellett, az azt követő vonalakban alkalmazott kezelések sorrendje és alkalmazásuk ideje is optimalizálásra szorul. Az újabb kezelésekkel kapcsolatos rezisztenciamechanizmusok egyre nagyobb mértékben válnak ismertté. Ezzel a terápiatervezés az eddigi empirikus – főleg a kipróbálásra építő – irányából egyre inkább a racionális – az adott daganat molekuláris sajátságait is figyelembe vevő –, személyre szabott kezelés irányába mozdul el. Ebben az összefoglaló közleményben ismertetjük azokat a rezisztenciamechanizmusokat, amelyek a metasztatikus kasztrációrezisztens prosztatarák kezelésében leggyakrabban használt három gyógyszerrel – docetaxel, abirateron és enzalutamid – kapcsolatosak. Többek között áttekintést nyújtunk a MDR- (multidrogrezisztens) fehérjéken keresztül megvalósuló, az androgénreceptor-, a Wnt-, a p53-szignálút, valamint a DNS hibajavító mechanizmusában részt vevő gének (mint például a BRCA és ATM) sérüléseivel összefüggésben kialakuló és a neuroendokrin differenciáció által kiváltott rezisztenciamechanizmusokról. Orv Hetil. 2020; 161(20): 813–820.
journal_name
Orv Hetiljournal_title
Orvosi hetilapauthors
Szarvas T,Csizmarik A,Nagy N,Keresztes D,Váradi M,Küronya Z,Riesz P,Nyirády Pdoi
10.1556/650.2020.31734subject
Has Abstractpub_date
2020-05-01 00:00:00pages
813-820issue
20eissn
0030-6002issn
1788-6120journal_volume
161pub_type
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