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Liječenje izvan bezglutenske dijete

Nekoliko pristupa dosad je došlo do randomiziranih ispitivanja. Nijedan nije zamijenio dijetu, a područje ima dugu povijest obećavajućih rezultata koji se nisu potvrdili.

Updated 3 min read 39 citations Evidence strength 3/5

Otisnuta deklaracija sastojaka na poleđini prehrambenog proizvoda
Chenspec · CC BY-SA 4.0 · Wikimedia Commons

Zašto je lijek težak zadatak

Celijakija ima neobično svojstvo među autoimunim bolestima: okidač je poznat i može se ukloniti. To postavlja vrlo visoku granicu — svaki lijek mora biti sigurniji i praktičniji od jednostavnog izbjegavanja glutena, u populaciji koja nakon liječenja nije akutno bolesna. To također znači da realan cilj nije „opet jesti kruh", nego „biti zaštićen kad restoran pogriješi".

Inhibicija transglutaminaze 2

Tkivna transglutaminaza modificira peptide glutena na način koji ih čini znatno imunogenijima — riječ je o enzimu koji je u središtu mehanizma bolesti i meta protutijela koje se koristi za njezinu dijagnozu. Njegovo blokiranje je stoga mehanistički elegantno rješenje. Randomizirano ispitivanje inhibitora TG2 zabilježilo je slabljenje oštećenja sluznice uzrokovanog glutenom tijekom izazivanja [5], što je najohrabrujući pojedinačni rezultat koji je ovo područje dosad dalo.

Inhibicija TG2

Enzimska razgradnja

Glutenaze imaju cilj razgraditi gluten u želucu prije nego što dospije u tanko crijevo. Inženjerski problem je ozbiljnost zadatka: za zaštitu od običnog obroka s pšenicom enzim mora razgraditi grame proteina u neprijateljskom kiselom okruženju unutar kratkog vremenskog okvira. Nekoliko kandidata pokazalo je aktivnost protiv malih količina, bez dokazane zaštite od realistične izloženosti. Rad na probiotičkim pripravcima s in vivo aktivnošću razgradnje glutena ilustrira taj pristup.

Probiotici

Postoji sustavni pregled i metaanaliza randomiziranih kontroliranih ispitivanja probiotika za celijakiju, koji ne podupire njihovu rutinsku primjenu. Razlike u mikrobiomu kod celijakije stvarne su i ponovljive, ali njihova modifikacija nije rezultirala kliničkom korisnošću.

Ostali pravci

  • Indukcija imunološke tolerancije. Pristupi temeljeni na peptidima usmjereni na preusmjeravanje imunološkog odgovora, konceptualno slični imunoterapiji alergena.
  • Modulacija tijesnih spojeva. Smanjenje crijevne propusnosti tako da manje peptida glutena prolazi kroz stijenku. Rezultati ispitivanja bili su neujednačeni.
  • Blokada citokina. Usmjerena na refraktornu bolest, a ne na običnu celijakiju [7].
  • Vakcinacija. O njoj se dugo raspravlja, ponavljano je odgađana i nije blizu ostvarenja.

Što očekivati

Vjerojatan sljedeći korak je dodatna terapija koja smanjuje posljedice slučajne izloženosti za osobe koje se već strogo pridržavaju dijete. To bi bilo istinski korisno — nenamjerna izloženost je česta, kako pokazuje istraživanje o kontaminaciji — bez da predstavlja slobodu koju medijski članci često obećavaju.

Tekst popisa sastojaka otisnut na omotu hrane
Chenspec · CC BY-SA 4.0 · Wikimedia Commons

Često postavljana pitanja

Hoće li postojati tableta koja mi omogućuje da jedem kruh?
Ne, prema trenutnim dokazima. Ispitivanja su usmjerena na zaštitu od kontaminacije, a ne na povratak normalnoj prehrani.
Trebam li uzimati enzim za razgradnju glutena?
Nije dokazano da štite od izloženosti glutenu u količinama tipičnima za obrok, a oslanjanje na njih je rizično.
Vrijedi li pokušati s probioticima?
Metaanaliza randomiziranih ispitivanja ne podupire njihovu primjenu specifično za celijakiju.
Kako se mogu uključiti u klinička ispitivanja?
Nacionalne udruge za celijakiju i registri kliničkih ispitivanja navode studije koje trenutačno provode regrutaciju; vaš gastroenterolog može vam savjetovati o ispunjavanju uvjeta za sudjelovanje.
Dokazi na kojima se temelji ova stranica Stupčasti grafikon koji prikazuje sastav 21 publikacija citiranih na ovoj stranici prema vrsti studije. 811meta-analysis (8)randomised trial (1)review (11)other (1)
21 publikacija, 2006. – 2026. Riječ je uglavnom o observacijskoj bazi dokaza. Ona može utvrditi da se stvari događaju zajedno; ne može utvrditi koja od njih uzrokuje drugu. Izvor: popis citata ove stranice, u nastavku.

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Every citation below links to the original peer-reviewed record on PubMed or via DOI. Nothing here is a substitute for medical advice.

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