Aviptadil ntsiav tshuaj

Chronic Obstructive Pulmonary Disease (COPD) yog ib qho kev tiv thaiv thiab kho tau tus kab mob ua pa ntev uas tshwm sim los ntawm kev txwv tsis pub muaj huab cua. Nws cov txheej txheem tseem ceeb ntawm cov txheej txheem pathological cuam tshuam nrog kev mob ntsws ntev ntev, kho txoj hlab pa thiab kev poob qis hauv kev ua haujlwm pulmonary. Cov tsos mob tshwm sim muaj xws li hnoos ntev, hnoos qeev, ua tsis taus pa thiab dyspnea. Kev mob hnyav tuaj yeem ua rau muaj qhov tsis zoo sai sai, ua rau cov neeg mob tsis zoo ntawm lub neej thiab nce kev tuag.

Aviptadil ntsiav tshuajkho COPD feem ntau los ntawm kev tiv thaiv - mob, bronchodilatory thiab ntsws- tiv thaiv cov teebmeem.

Raws li ib tug hluavtaws analogue ntawm VIP, nws khi rau VPAC1 thiab VPAC2 receptors ntawm vascular thiab bronchial smooth nqaij hlwb nyob rau hauv lub ntsws, relaxing bronchial du nqaij, relieving airway spasm thiab ameliorating airflow txwv, li no alleviating cov tsos mob xws li ua tsis taus pa thiab hawb pob. Lub caij no, nws inhibits qhov kev ua thiab kev qhia ntawm Lipopolysaccharide (LPS)-induced Matrix Metalloproteinase-9 (MMP-9) nyob rau hauv alveolar macrophages, txo cov kev tso tawm ntawm cov hlab ntsws inflammatory mediators, mitigates chronic airway o thiab ncua kev ua pa. Tsis tas li ntawd, aviptadil inhibits Cigarette Smoke Extract (CSE)-induced pulmonary epithelial cell apoptosis, txo CSE-stimulated MMP kev ua thiab caspase-3 activation, tiv thaiv lub ntsws cov ntaub so ntswg los ntawm kev puas tsuaj thiab slows lub deterioration ntawm lub ntsws ua haujlwm.

Mob hawb pob yog ib hom kab mob sib txawv uas muaj cov yam ntxwv tseem ceeb ntawm txoj hlab ntsws hyperresponsiveness, mob ntsws o thiab kho txoj hlab ntsws. Nws tshwm sim nrog hawb pob, ua tsis taus pa luv, hauv siab nruj thiab hnoos, feem ntau tshwm sim thaum hmo ntuj lossis thaum sawv ntxov ntxov, thiab tuaj yeem ua rau ua pa tsis ua haujlwm hauv cov neeg mob hnyav. Nws pathogenesis zoo sib xws nrog lub cev tsis muaj zog, inflammatory cell infiltration thiab bronchial du nqaij spasm. Cov hom phiaj tseem ceeb ntawm kev kho mob yog tswj kev mob, spasm nyem thiab tiv thaiv kev tawm tsam mob.

Cov txheej txheem kho mob ntawm nws hauv kev mob ntsws asthma tsom rau kev tiv thaiv kab mob thiab bronchodilation. Ntawm ib sab, nws ua raws li endogenous VIP los tiv thaiv kev tso tawm ntawm pro- inflammatory cytokines xws li Interleukin-6 (IL-6) thiab Tumor Necrosis Factor- (TNF- ), tswj cov haujlwm ntawm T thiab B lymphocytes, txo cov pa hauv nruab nrog cev tiv thaiv kab mob thiab txo qis hauv eosinophil refiltration, hyperresponsiveness. Ntawm qhov tod tes, nws sai sai txo cov hlab ntsws spasm los ntawm kev so cov leeg nqaij bronchial kom yooj yim hawb pob thiab ua tsis taus pa thaum mob hawb pob. Nws kuj tseem tiv thaiv hom II alveolar hlwb, txhawb nqa pulmonary surfactant secretion, tswj kev ua haujlwm ntawm txoj hlab pa mucosa, txo cov qog ua pa hauv pa thiab txo cov hlab ntsws.

Idiopathic Pulmonary Fibrosis (IPF) yog kab mob ntsws interstitial uas tsis paub txog etiology, kev loj hlob sai thiab tsis zoo. Nws cov yam ntxwv tseem ceeb ntawm cov kab mob muaj xws li kev mob ntsws pulmonary fibrosis thiab kev puas tsuaj ntawm cov qauv alveolar, kev kho mob tshwm sim raws li kev mob hnyav hnyav thiab hnoos qhuav, uas thaum kawg ua rau ua pa tsis ua haujlwm. Cov kev kho mob tam sim no rau IPF txwv tsis pub muaj cov tshuaj tshwj xeeb, thiab kev kho mob feem ntau yog tsom rau kev ua kom qeeb ntawm fibrosis, txo cov tsos mob thiab txhim kho lub neej zoo.

Aviptadil ntsiav tshuajexerts kho cov teebmeem ntawm IPF vam khom los tiv thaiv-fibrotic thiab ntsws- cov khoom tiv thaiv.

Cov kev tshawb fawb tau pom tias aviptadil inhibits qhov kev loj hlob thiab ua kom cov pulmonary fibroblasts, thiab txo cov synthesis thiab deposition ntawm extracellular matrix (ECM) Cheebtsam xws li collagen fibers, thiaj li mus ncua kev loj hlob ntawm pulmonary fibrosis. Ntxiv mus, nws alleviates lub ntsws cov ntaub so ntswg puas thiab txhim kho pulmonary cua ua hauj lwm los ntawm suppressing inflammatory teb thiab tiv thaiv alveolar epithelial hlwb, relieving dyspnea nyob rau hauv cov neeg mob. Tsis tas li ntawd, aviptadil txwv qhov kev loj hlob ntawm basal ntawm Pulmonary Artery Smooth Muscle Cells (PASMC) thiab intracellular free calcium mobilization, txo qis kev kho cov hlab ntsws, ua kom zoo dua pulmonary thiab indirectly alleviates hypoxia hauv cov neeg mob IPF.

Pulmonary Arterial Hypertension (PAH) yog ib qho kab mob plawv loj heev uas cim los ntawm kev ua kom lub ntsws ntshav siab thiab kho cov hlab ntsws, uas tuaj yeem ua rau lub plawv tsis ua haujlwm thiab txawm tuag. Nws cov tsos mob tshwm sim muaj xws li exertional dyspnea, qaug zog, mob hauv siab thiab syncope. Lub pathogenesis muaj feem xyuam rau pulmonary vasospasm, vascular du nqaij cell proliferation thiab thrombosis. Cov tswv yim kho mob tseem ceeb yog txo qis cov hlab ntshav siab, txhim kho pulmonary ncig thiab khaws cia txoj cai plawv.

Nws yog tus neeg sawv cev kho mob zoo rau PAH, nrog cov txheej txheem tseem ceeb ntawm pulmonary vasodilation thiab inhibition ntawm pulmonary vascular remodeling. Raws li ib tug muaj zog vasodilator, aviptadil khi rau VPAC receptors ntawm pulmonary vascular du nqaij hlwb, relaxes pulmonary vascular du nqaij, txo qis pulmonary vascular tsis kam, thiab thiaj li yuav txo tau pulmonary arterial siab thiab txhim kho pulmonary ncig. Lub caij no, nws inhibits qhov kev loj hlob ntawm PASMC nyob rau hauv ib koob tshuaj - nyob ntawm seb, suppresses platelet aggregation, tiv thaiv inrapulmonary thrombosis, ncua pulmonary vascular remodeling thiab tswj pulmonary vascular muaj nuj nqi. Tsis tas li ntawd, nws cov tshuaj tiv thaiv -cov nyhuv inflammatory txo cov hlab ntsws vascular o thiab ntxiv txhim kho vascular permeability thiab circulatory muaj nuj nqi.

Cystic Fibrosis (CF) yog ib qho autosomal recessive genetic disorder los ntawm kev hloov hauv Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene. Nws ua kev puas tsuaj rau ntau yam kabmob xws li lub ntsws thiab lub plab zom mov, nrog rau kev cuam tshuam loj ntawm lub ntsws uas tshwm sim los ntawm cov pa hnoos qeev, cov kab mob ua pa rov tshwm sim thiab ua rau txoj hlab pas txhaws, thaum kawg ua rau ua pa tsis ua haujlwm. Nws yog ib qho ntawm cov kab mob loj tshaj plaws hauv cov neeg Caucasian. Cov hauv paus ntsiab lus ntawm kev kho mob yog mucus clearance, tswj kev kis kab mob, kev pab cuam ntawm txoj hlab ntsws thiab ua rau lub ntsws ua haujlwm qeeb.

Kev ua tau zoo ntawmaviptadil ntsiav tshuajhauv CF yog ua raws li kev tiv thaiv txoj hlab pa, tiv thaiv -mob thiab cov kua qaub. Muab cov viscous pa paug hauv cov neeg mob CF uas yooj yim ua rau cov kab mob colonization thiab kab mob, aviptadil nce pulmonary surfactant secretion kom txo cov hnoos qeev viscosity, pab txhawb cov hnoos qeev tawm thiab txo cov hlab ntsws. Nws kuj inhibits pro- inflammatory cytokine tso tawm, ua rau mob ntsws o thiab txo qhov zaus ntawm cov kab mob ua pa. Tsis tas li ntawd, aviptadil tiv thaiv alveolar epithelial hlwb, tswj cov hlab ntsws mucosal barrier kev ncaj ncees, txo qhov mob ntsws cov ntaub so ntswg thiab ncua lub deterioration ntawm pulmonary muaj nuj nqi.

Sarcoidosis yog ib tug kab mob granulomatous uas tsis paub etiology, nrog rau lub ntsws raws li lub feem ntau cuam tshuam lub cev. Nws tshwm sim raws li cov tshuaj tiv thaiv kab mob hauv alveoli, me me bronchi thiab microvessels. Kev kis kab mob ua rau granuloma tsim thiab fibrosis hauv cov ntaub so ntswg cuam tshuam, ua rau lub ntsws ua haujlwm tsis zoo. Cov tsos mob tseem ceeb muaj xws li hnoos, mob hauv siab thiab ua tsis taus pa, thiab qee tus neeg mob tuaj yeem ua rau mob ntsws ntsws thiab ua pa tsis ua haujlwm. Glucocorticoids thiab lwm yam tshuaj tiv thaiv kab mob tseem yog cov kev kho mob tseem ceeb rau sarcoidosis, thaum ib feem ntawm cov neeg mob tsis hnov ​​​​qab txog kev kho hormonal lossis tsis tuaj yeem ua rau nws cov kev phiv tshwm sim.

Kev tshawb fawb soj ntsuam ntawm nws hauv sarcoidosis muaj kev tshawb fawb zoo. Xyoo 2021, US Food and Drug Administration (FDA) tau tso cai rau cov menyuam ntsuag siv tshuaj rau RLF-100 (aviptadil) inhalation formulation rau kev kho mob sarcoidosis. Nws lub qhov ncauj formulation ua haujlwm tsuas yog los ntawm kev tiv thaiv kab mob thiab tiv thaiv -mob: nws txo qis pro-inflammatory cytokine tso tawm, inhibits kev ua kom lub cev tsis muaj zog xws li macrophages thiab lymphocytes, alleviates pulmonary granulomatous o, thiab qeeb granuloma tsim thiab pulmonary fibrosis. Nws tseem tiv thaiv lub ntsws cov ntaub so ntswg, txhim kho kev sib pauv roj thiab txo cov hnoos qeev, hauv siab nruj thiab ua tsis taus pa.

Qhib-label tshawb nrhiav kev tshawb fawb soj ntsuam tau txheeb xyuas qhov ua tau zoo thiab muaj kev nyab xeeb ntawm aviptadil hauv cov neeg mob sarcoidosis, nrog rau cov tsos mob kho tau zoo thiab ua kom lub ntsws ua haujlwm tau zoo hauv feem ntau. Tam sim no, nws tseem nyob rau theem kev tshawb fawb soj ntsuam rau sarcoidosis, feem ntau qhia rau cov neeg mob uas tsis zoo cov tshuaj hormones los yog cov tshuaj hormone intolerance. Raws li ib qho tshuaj me nyuam ntsuag, nws muab cov kev xaiv kho tshiab rau tus kab mob no tsawg. Txawm li cas los xij, cov ntaub ntawv kho mob ntxiv yuav tsum tau ua kom paub meej tias nws qhov ua tau zoo, kev kho kom zoo thiab ntev - lub sijhawm kev nyab xeeb profile.