Localized Drug Delivery for Cancer: Phau Ntawv Qhia Kom Paub 

Kev xa tshuaj hauv zos rau kev mob qog noj ntshav yog ib txoj hauv kev kho mob uas tsom rau cov tshuaj ncaj qha rau ntawm qhov chaw qog. Txoj kev no yog txhawm rau txhim kho kev kho mob kom zoo thaum txo qis cov kev mob tshwm sim feem ntau cuam tshuam nrog kev siv tshuaj khomob.

Taw qhia rau Localized Drug Delivery

Kev kho mob qog noj ntshav ib txwm muaj xws li kws khomob feem ntau koom nrog kev tswj hwm tshuaj, txhais tau tias cov tshuaj mus thoob plaws lub cev. Txawm hais tias muaj txiaj ntsig zoo ntawm kev tsom mus rau cov qog nqaij hlav cancer, txoj hauv kev no tuaj yeem ua mob rau cov hlwb noj qab haus huv, ua rau muaj kev phiv loj heev. Localized tshuaj xa mus rau mob qog noj ntshav muaj kev tsom mus rau ntau dua, xa cov tshuaj ncaj qha mus rau qhov chaw qog.

Txoj kev no tuaj yeem koom nrog ntau yam txuj ci, suav nrog:

• Kev txhaj tshuaj ncaj qha rau hauv cov qog.
• Qhov chaw ntawm cov tshuaj-eluting implants los yog wafers.
• Kev siv lub hom phiaj nanoparticles xa cov tshuaj tshwj xeeb rau cov qog nqaij hlav cancer.
• Regional chemotherapy, qhov twg cov tshuaj tau muab rau ib cheeb tsam ntawm lub cev uas muaj cov qog.

Cov txiaj ntsig ntawm Localized Drug Delivery

Localized tshuaj xa mus rau mob qog noj ntshav muaj ntau yam tseem ceeb ntawm kev kho mob:

• Txo Cov Kev Nyuaj Siab: Los ntawm kev tsom mus rau cov tshuaj ntawm qhov chaw qog, raug rau cov ntaub so ntswg noj qab haus huv tsawg, ua rau muaj kev phiv tsawg thiab tsawg dua.
• Nce Tshuaj Concentration ntawm cov qog: Kev xa tawm hauv zos tuaj yeem ua tiav cov tshuaj ntau dua hauv cov qog, uas tuaj yeem txhim kho kev kho mob.
• Txhim kho tus neeg mob zoo ntawm lub neej: Txo cov kev mob tshwm sim thiab cov txiaj ntsig kho tau zoo tuaj yeem txhim kho tus neeg mob lub neej zoo thaum kho mob qog noj ntshav.
• Muaj peev xwm rau kev sib xyaw ua ke: Kev xa tawm hauv cheeb tsam tuaj yeem ua ke nrog lwm yam kev kho mob, xws li kev phais, kev kho hluav taws xob, thiab kev siv tshuaj khomob, kom ua tiav cov teebmeem.

Cov txheej txheem rau Localized Drug Delivery

Muaj ntau txoj kev siv rau localized tshuaj xa mus rau mob qog noj ntshav, txhua tus nrog nws tus kheej zoo thiab kev txwv:

Direct Txhaj

Qhov no cuam tshuam ncaj qha txhaj tshuaj rau hauv cov qog. Nws yog ib txoj hauv kev yooj yim thiab pheej yig uas haum rau cov qog siv tau. Ultrasound lossis CT kev taw qhia yuav raug siv los xyuas kom meej qhov kev tso kawm. Piv txwv suav nrog kev txhaj tshuaj ntawm cov kab mob oncolytic lossis cov tshuaj chemotherapeutic.

Drug-Eluting Implants thiab Wafers

Cov cuab yeej no yog phais implanted ncaj qha rau hauv los yog ze ntawm lub qog. Lawv tso cov tshuaj maj mam dhau sijhawm, muab cov txiaj ntsig kho tau zoo. Gliadel^? wafers, uas muaj carmustine (BCNU), yog ib qho piv txwv zoo siv tom qab phais resection ntawm hlwb hlav.

Nanoparticles

Nanoparticles yog cov khoom me me tsim los xa cov tshuaj tshwj xeeb rau cov qog nqaij hlav cancer. Lawv tuaj yeem tsim kho kom pom cov cim tshwj xeeb ntawm cov qog nqaij hlav qog noj ntshav, txhim kho cov tshuaj tsub zuj zuj ntawm cov qog nqaij hlav thiab txo qis cov txiaj ntsig ntawm lub hom phiaj. Liposomes, polymeric nanoparticles, thiab hlau nanoparticles feem ntau yog siv.

Regional Tshuaj Kho Mob

Qhov no suav nrog kev xa cov tshuaj chemotherapy mus rau thaj chaw tshwj xeeb ntawm lub cev uas muaj cov qog. Piv txwv li:

• Hepatic Artery Infusion (HAI): Siv los kho mob qog noj ntshav los ntawm kev xa cov tshuaj tua kab mob ncaj qha mus rau lub siab ntawm cov hlab ntsha hepatic.
• Intraperitoneal Chemotherapy (IP): Siv los kho mob qog noj ntshav ntawm zes qe menyuam los ntawm kev xa cov kws khomob ncaj qha mus rau hauv lub plab kab noj hniav.
• Isolated Limb Perfusion (ILP): Siv los kho melanoma thiab sarcoma ntawm cov ceg tawv los ntawm kev cais cov ceg ntawm ceg thiab xa cov tshuaj kho mob siab ncaj qha rau thaj tsam cuam tshuam.

Piv txwv ntawm Localized Drug Delivery hauv Kev Kho Mob Cancer

Localized tshuaj xa mus rau mob qog noj ntshav yog siv nyob rau hauv kev kho mob ntawm ntau yam mob qog noj ntshav. Nov yog qee qhov piv txwv:

Mob hlwb

Gliadel^? wafers yog cog rau hauv lub hlwb tom qab kev phais tshem tawm ntawm qib siab gliomas. Cov wafers tso tawm carmustine (BCNU), tshuaj tua kab mob, ncaj qha mus rau hauv kab noj hniav, tua cov qog nqaij hlav cancer. Ib txoj kev tshawb fawb luam tawm nyob rau hauv * Phau ntawv Journal of Clinical Oncology* qhia tias Gliadel^? wafers tau txhim kho txoj sia nyob hauv cov neeg mob tshiab uas tau kuaj pom qib siab gliomas.¹

Mob qog noj ntshav

Hepatic artery infusion (HAI) yog ib qho kev kho mob hauv cheeb tsam siv los kho mob qog noj ntshav. Nws koom nrog kev xa cov tshuaj chemotherapy ncaj qha mus rau daim siab ntawm cov hlab ntsha hauv siab, cov hlab ntsha tseem ceeb muab lub siab. Qhov no tso cai rau cov tshuaj ntau dua kom ncav cuag cov qog thaum txo qis kev mob tshwm sim. Cov kev tshawb fawb tau pom tias HAI tuaj yeem txhim kho txoj sia nyob hauv cov neeg mob uas tsis tuaj yeem mob qog noj ntshav. Cov kws tshaj lij ntawm Shandong Baofa Cancer Research Institute feem ntau siv cov txheej txheem no.

Ovarian Cancer

Intraperitoneal chemotherapy (IP) yog ib qho kev kho mob hauv cheeb tsam siv los kho mob qog noj ntshav zes qe menyuam. Nws koom nrog kev xa cov tshuaj chemotherapy ncaj qha mus rau hauv lub plab kab noj hniav, qhov twg mob qog noj ntshav ntawm zes qe menyuam feem ntau kis. Qhov no tso cai rau cov tshuaj ntau dua kom ncav cuag cov qog nqaij hlav cancer hauv plab. Cov kev tshawb fawb tau pom tias tus kws kho mob IP tuaj yeem txhim kho txoj sia nyob hauv cov neeg mob uas mob qog noj ntshav ntawm zes qe menyuam.

Cov kev sib tw thiab cov kev taw qhia yav tom ntej

Thaum localized tshuaj xa mus rau mob qog noj ntshav muaj ntau yam zoo, kuj muaj cov kev sib tw kom kov yeej:

• Tumor Heterogeneity: Cov kab mob qog noj ntshav hauv cov qog tuaj yeem ua tau ntau yam genetic, ua rau nws nyuaj rau tsom tag nrho cov hlwb kom zoo.
• Tshuaj Tiv Thaiv: Cov kab mob qog noj ntshav tuaj yeem txhim kho cov tshuaj tiv thaiv kab mob, txo cov txiaj ntsig ntawm kev xa khoom hauv zos.
• Delivery Barriers: Qee cov qog nqaij hlav tsis yooj yim nkag mus los yog muaj lub cev tsis muaj zog uas tiv thaiv cov tshuaj kom tsis txhob mus txog tag nrho cov qog nqaij hlav cancer.
• Manufacturing thiab Regulatory Hurdles: Kev tsim thiab tsim cov tshuab xa tshuaj hauv zos tuaj yeem ua haujlwm nyuaj thiab kim.

Kev tshawb fawb yav tom ntej yog tsom rau kev daws cov teeb meem no los ntawm:

• Tsim cov tswv yim zoo tshaj plaws rau cov tswv yim los daws cov qog heterogeneity.
• Muab cov tshuaj xa hauv zos nrog rau lwm cov kev kho mob, xws li kev tiv thaiv kab mob thiab kev kho mob, kom kov yeej cov tshuaj tiv thaiv.
• Kev tsim cov tshuaj tshiab tshiab uas tuaj yeem nkag mus rau cov qog ua tau zoo dua.
• Streamlining the manufacturing and regulatory processes for localized drug delivery systems.

Xaus

Localized tshuaj xa mus rau mob qog noj ntshav yog ib txoj hauv kev zoo uas tuaj yeem txhim kho kev kho mob thiab txo cov kev mob tshwm sim. Raws li kev tshawb fawb txuas ntxiv, txoj kev no yuav ua rau muaj lub luag haujlwm tseem ceeb hauv kev kho mob qog noj ntshav. Los ntawm kev tsom mus rau cov tshuaj ncaj qha mus rau qhov chaw qog, kev xa khoom hauv zos tuaj yeem muab kev cia siab tshiab rau cov neeg mob uas tawm tsam tus kab mob no.

Glossary of Terms

Cov ntaub ntawv

1. Westphal, M., Hilt, D. C., Bortey, E., Del Mastro, R. F., 习惯, Kieser, M., & Combs, S. E. (2003). Ib theem 3 sim ntawm cov tshuaj kho mob hauv zos nrog biodegradable carmustine (BCNU) wafers (Gliadel wafers) hauv cov neeg mob uas muaj cov kab mob glioma thawj zaug. *Journal of Clinical Oncology*, *21*(24), 4414-4419.