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Lub ntiaj teb thawj cov cab kuj hlau cephalosporin Fetroja tau txais kev tshuaj xyuas ua ntej los ntawm US FDA los kho nosocomial mob ntsws (NP)!

[Jun 14, 2020]

Lub tuam txhab lag luam tshuaj Japanese Shionogi tsis ntev los no tshaj tawm tias Tsoom Fwv Asmeskas Khoom Noj thiab Tshuaj (FDA) tau lees txais cov tshuaj tua kab mob tshiab Fetroja (cefiderocol)' s ntxiv cov tshuaj thov tshiab (sNDA) thiab tau tso cai tshuaj xyuas ua ntej, thiab tau xaiv cov neeg siv tshuaj yaj yeeb tshiab. kev cai lij choj them nyiaj (PDUFA) Lub hom phiaj tau tshaj tawm yog lub Cuaj Hli 27, 2020. Lub SNDA nrhiav kev pom zoo rau cov ntawv pov thawj tshiab rau Fetroja rau kev kho mob ntawm cov neeg mob laus uas muaj cov kab mob hauv tsev kho mob (HABP) thiab cov pa uas ua rau mob ntsws muaj kab mob ntsws (VABP). HABP thiab VABP qee zaum hu ua nosocomial pneumonia (NP).


Fetroja yog thawj cov tshuaj tua kab mob nrog cov hlau nqa khoom muaj nuj nqi kom tau txais kev pom zoo, uas tuaj yeem kov yeej ntau yam kev tiv thaiv ntawm Gram-negative cov kab mob tiv thaiv cov tshuaj tua kab mob. Hauv Tebchaws Meskas, Fetroja tau pom zoo rau lub Kaum Ib Hlis 2019 rau kev kho mob rau cov neeg mob laus hnub nyoog 18 xyoo thiab tshaj saud uas tsis muaj kev txwv lossis tsis muaj kev kho mob rau kev kho cov mob txeeb zig ua rau muaj kev cuam tshuam los ntawm Gram-negative microorganisms (cUTI, suav nrog Pyelonephritis) ): Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa, Enterobacter cloacae complex. Hauv European Union, Fetcroja (cefiderocol) tau pom zoo rau lub Plaub Hlis xyoo no rau kev kho mob los ntawm cov kab mob aerobic gram-tsis zoo rau cov neeg mob laus (18 xyoo thiab laus dua) nrog kev xaiv kho tsawg.


Cefiderocol yog lub ntiaj teb' s thawj hlau cab kuj cephalosporin uas siv cov kab mob' s tus kheej kev nqus hlau mus rau cov kab mob hauv cov kab mob mus rau hauv cov kab mob hlwb zoo ib yam li" Trojan nees" ;. Cefiderocol muaj cov haujlwm loj hauv kev ua haujlwm hauv vitro tiv thaiv qhov dav ntawm aerobic Gram-negative pathogens.


Cov ntaub ntawv los ntawm cefiderocol' s txoj kev tshawb nrhiav ntau txoj kev tshawb pom qhia tias cefiderocol yog nyob rau hauv vitro tiv thaiv qhov dav ntawm aerobic Gram-negative pathogens (suav nrog peb txhua txoj haujlwm tseem ceeb cov kab mob uas tau teev tseg los ntawm World Health Organization: carbapenem-resistant Acinetobacter baumannii, Pseudomonas aeruginosa, refractory carbapenem-resistant Enterobacteriaceae) thiab Stenotrophomonas maltophilia muaj ntau yam kev cuam tshuam los ntawm cov muaj zog. Ntxiv rau, cefiderocol kuj tseem muaj peev xwm ua ntau yam tshuaj tiv thaiv tshuaj (xws li ncua ntev-rum-lactamase [ESBL], AmpC β lactamase [AmpC], serine carbapenemase thiab hlau carbapenemase). Cov kab mob no muaj cov tshuaj tua kab mob muaj zog hauv vitro.

Fetcroja-cefiderocol

SNDA yog ua raws li kev soj ntsuam ntawm Theem III APEKS-NP kev kawm. Qhov no yog thoob ntiaj teb multicenter, ob qhov muag dig, randomized, tsis muaj kev kawm tsis tau zoo tsim los soj ntsuam cefiderocol kev kho mob tshwm sim los ntawm Gram-positive pathogens nrog rau tsev kho mob-tau txais cov kab mob ntsws (HABP) thiab lub tshuab ua pa muaj kab mob ntsws (VABP)), kev ua tau zoo thiab kev nyab xeeb ntawm kev mob ntsig txog mob ntsws hauv tsev kho mob (NP) suav nrog kev mob nkeeg-cuam tshuam txog kev mob ntsws (HCABP). Hauv txoj kev tshawb nrhiav, cov neeg mob tau muab faib rau hauv 1: 1 piv thiab tau txais cefiderocol (txhua 8 teev, 2 g tso dej siab tsis pub dhau 3 teev hauv ib zaug) lossis koob tshuaj meropenem (txhua 8 teev, txhua 3 teev ib zaug) Txoj kev tso ntshav infusion 2g ), pw hauv tsev kho mob 7-14 hnub. Ib qho ntxiv, ob pawg kho mob tau muab linezolid ntxiv rau 5 hnub ntxiv kom pab pov hwm rau cov kab mob hu ua Staphylococcus aureus (MRSA) thiab cov kab mob Gram-negative. Kev nyab xeeb tau tshawb nrhiav 28 hnub tom qab kawg ntawm kev kho mob, tshwj tsis yog muaj kev cov nyom loj heev.


Cov txiaj ntsig tau pom tias txoj kev tshawb no tau mus txog qhov kawg ntawm qhov tsis muaj qhov tsis txaus ntseeg: hauv kev hloov pauv hloov pauv-maub (mITT) cov pej xeem, nyob rau 14 hnub tom qab pib kawm kev kho tshuaj, tag nrho cov ua rau muaj kev tuag nyob rau hauv kev kho mob cefiderocol pab pawg thiab cov pab pawg kho mob siab tshaj tawm (ACM) muaj qhov tsis muaj qhov tsis zoo (ACM: 12.4% [18/145] vs 11.6% [17/146]; qhov sib txawv: 0.8, 95% CI: 6.6, 8.2). Ntxiv rau, cefiderocol tseem ua tiav ntau qhov tseem ceeb theem kawg piv rau qhov zoo tshaj plaws ntawm qib siab (meropenem), suav nrog kev kuaj mob (64.8% vs 66.7%) thaum lub sijhawm mus ntsib kho mob (kuaj-ntawm-kho, TOC, txhais tau tias 7 hnub tom qab ua tiav kev kho mob). ; Txawv: -2.0, 95% CI: -12.5, 8.5) thiab microbial eradication tus nqi (47.6% vs 48%; Qhov sib txawv: -1.4, 95% CI: -13.5, 10.7), 28-hnub txhua-ua rau kev tuag (21.0% vs 20.5%; qhov txawv: 0.5, 95% CI: -8.7, 9.8).


Tsis tas li ntawd, cov txiaj ntsig ntawm txoj kev tshawb fawb kuj tau qhia tias qhov kev kho mob kho mob ntawm cov hom phiaj tseem ceeb pathogens nyob rau hauv pab pawg raug hloov pauv (mITT) pawg tau zoo sib xws ntawm pawg kho mob cefiderocol thiab pawg kho mob siab meropenem: Klebsiella pneumoniae (64.6% [31/48] vs 65.9% [29/44]; qhov sib txawv: -1.3, 95% CI: -20,8, 18.1), Escherichia coli (63.2% [12/19] vs 59.1% [13/22] ; qhov sib txawv: 4.1, 95% CI: -25.8, 33.9), Pseudomonas aeruginosa (66.7% [16/24] vs 70.8% [17/24]; qhov sib txawv: 4.2, 95% CI: -30.4, 22.0), Bowman immobile Bacillus (52.2% [12/23] vs 58.3% [14/24]; qhov sib txawv: -6.2, 95% CI: -34,5, 22.2).


Hauv kev tshawb fawb, tsis muaj lwm yam cim kev nyab xeeb. Qhov tshwm sim ntawm qhov tshwm sim tsis zoo (TEAE) tau zoo sib xws ntawm pawg cefiderocol kho mob thiab cov pab pawg ntau dua pawg kho mob: TEAE (87.8% vs 86. 0%), muaj kev phom sij loj thaum lub sijhawm kho (SAE: 36.5% vs 30.0%), cuam tshuam nrog tshuaj SAE (2.0% vs 3.3%), kev txiav tawm vim yog TEAE (8.1% vs 9.3%), TEAE ua rau tuag (26.4% vs 23.3%).

cefiderocol

cefiderocol qauv txheej txheem mis mos (Source: eBiochemicals)


Cov tshuaj muaj tshuaj ntawm Fetroja yog cefiderocol, uas yog hom tshiab ntawm cov cab kuj muaj hlau cephalosporin, uas muaj cov txheej txheem tshwj xeeb ntawm kev nkag mus rau cov cell membrane ntawm Gram-cov kab mob tsis zoo (suav nrog cov kab mob tshuaj ntau) thiab muaj peev xwm los kov yeej carbapenems. Lub peev xwm tshwj xeeb ntawm peb lub ntsiab kev sib txuas ntawm cov tshuaj tiv thaiv (kho cov kab hauv dej, kev ua haujlwm ntawm β-lactamase, thiab ntau dhau ntawm kev tsim cov efflux twj). Cefider raws txoj cai khi rau ferric hlau thiab nquag thauj mus rau hauv cov kab mob ntawm cov xaim hluav taws xob sab nraud ntawm cov xovtooj ntawm cov qog ua haujlwm los ntawm cov kab mob hlau thauj protein. Qhov Trojan nees lub tswv yim no tso cai rau cefider raws mus txog kom muaj kev sib txuam ntau dua hauv cov kab mob cell periplasm, khi rau penicillin-khi cov protein nyob hauv qhov chaw periplasmic thiab inhibits kab mob cell cell ntsa ua ke.


Hauv cov kev tshawb fawb hauv vitro tau qhia tias cefiderocol muaj cov haujlwm muaj zog tiv thaiv txhua yam kab mob Gram-tsis zoo nrog lub siab tshaj plaws tau txheeb xyuas los ntawm World Health Organization (WHO), suav nrog cov carbapenem-tiv thaiv Gram-tsis zoo tsis-fermentative Acinetobacter baumannii, aeruginosa Pseudomonas, refractory carbapenem- tiv taus Enterobacteriaceae. cefiderocol yog tsim rau siv rau hauv cov kab mob thaum cov neeg tuag coob thiab muaj cov mob tsis tseem ceeb.


Antibiotic tsis kam (AMR) yog lub luag haujlwm noj qab haus huv uas yuav tsum tau daws sai sai. Hauv Tebchaws Asmeskas thiab Tebchaws Europe nkaus xwb, 56,000 tus neeg tuag los ntawm kev siv tshuaj tua kabmob uas tsis zoo nrog tshuaj rau ib lub xyoo. Yog tias tsis muaj kev ntsuas, 10 lab tus tib neeg yuav tuag txhua xyoo los ntawm cov tshuaj tua kab mob, thiab los ntawm 2050, lub ntiaj teb kev lag luam yuav yog $ 100 trillion.


Raws li qhov tsis sib xws ntawm kev nkag mus ntawm phab ntsa cell ntawm Gram-cov kab mob tsis zoo thiab muaj peev xwm los kov yeej ntau yam txheej txheem ntawm cov kab mob rau cov tshuaj tua kab mob, Fetroja yuav pab sau ib qho tseem ceeb heev tsis xav tau kev kho mob tom qab nws tau tsim.