83
Volume 5, Issue 10: Special Issue
(EJAR)
ISSN: 2181-2020
MPHAPP
THE 6TH INTERNATIONAL SCIENTIFIC AND PRACTICAL
CONFERENCE “MODERN PHARMACEUTICS: ACTUAL
PROBLEMS AND PROSPECTS”
TASHKENT, OCTOBER 17, 2025
in-academy.uz
IMMUNOSUPPRESSIVE DRUGS: SCIENTIFIC PRINCIPLES OF DEVELOPING
COMBINATION DOSAGE FORMS
Toyi o a M.J.1
Yunuso a Kh.M.2
Tashken Pha maceu ical Ins i u e, Tashken ci y, Republic o Uzbekis an
e-mail: [email p o ec ed]
h ps://doi.o g/10.5281/zenodo.17321486
Rele ance: Immunosupp essan d ugs a e among he key he apeu ic g oups in mode n
ansplan ology and he ea men o au oimmune diseases. These agen s supp ess he immune
esponse by inhibi ing lymphocy e p oli e a ion, limi ing cy okine syn hesis, o blocking in acellula
signaling pa hways. As a esul , hey p e en g a ejec ion and alle ia e he cou se o ch onic
au oimmune diseases such as heuma oid a h i is, sys emic lupus e y hema osus (SLE), and
pso iasis.
Howe e , he use o immunosupp essan s as mono he apy in clinical p ac ice is associa ed wi h
a numbe o challenges: adminis a ion a high doses o en leads o se e e ad e se e ec s, including
neph o oxici y, hepa o oxici y, hema ological diso de s, and me abolic synd ome; long- e m use o
ce ain agen s inc eases suscep ibili y o in ec ions; pha macokine ic a iabili y (e.g., educed
abso p ion when aken wi h ood, gene ic di e ences in me abolism) di ec ly a ec s he apeu ic
e icacy.
To add ess hese issues in clinical p ac ice, a ious immunosupp essan s a e p esc ibed in
combina ion. Fo example, ac olimus + mycophenola e mo e il, cyclospo ine + aza hiop ine, and
ac olimus + e e olimus a e commonly used combina ions. Ne e heless, he simul aneous
adminis a ion o se e al d ugs is incon enien o pa ien s, educes ea men adhe ence, and
complica es he moni o ing o d ug–d ug in e ac ions. The e o e, he de elopmen o ixed-dose
combina ion dosage o ms — such as able s o capsules con aining mul iple ac i e subs ances —
ep esen s a highly ele an di ec ion in pha maceu ical echnology.
Ma e ials and me hods: The s udy included li e a u e analysis, gene aliza ion o clinical
p ac ice da a, and compa a i e assessmen o pha maceu ical echnologies. The main manu ac u ing
me hods o combina ion able s (we g anula ion, d y g anula ion, di ec comp ession) we e
e alua ed. The physicochemical compa ibili y o ac i e subs ances, hei in e ac ion wi h excipien s,
solubili y, and disin eg a ion p ope ies we e s udied. C i ical quali y a ibu es such as dose
uni o mi y, mechanical s eng h, dissolu ion, and disin eg a ion we e comp ehensi ely assessed.
Resul s: The esea ch led o he ollowing scien i ic and p ac ical conclusions:
Pha macodynamic syne gy - he combina ion o immunosupp essan s ac ing h ough di e en
mechanisms ( o example, mycophenola e mo e il, a pu ine syn hesis inhibi o , and ac olimus, a
calcineu in inhibi o ) allows achie ing highe clinical e icacy a lowe doses. Reduc ion o ad e se
e ec s - in combina ion o ms, he dose o ac i e subs ances is educed, which signi ican ly dec eases
he incidence o neph o oxici y, hema ological diso de s, and in ec ious complica ions.
Pha macokine ic s abili y - a ixed-dose o mula ion ha monizes he a e and du a ion o d ug
abso p ion, main aining s able plasma concen a ions wi hou sha p luc ua ions. Clinical
con enience - a single combina ion able simpli ies he adminis a ion p ocess o pa ien s, imp o es
adhe ence o he apy, and s eng hens ea men e ec i eness. Technological oppo uni ies - in he
de elopmen o combina ion o ms, we g anula ion was e alua ed as he mos op imal me hod, as i
84
Volume 5, Issue 10: Special Issue
(EJAR)
ISSN: 2181-2020
MPHAPP
THE 6TH INTERNATIONAL SCIENTIFIC AND PRACTICAL
CONFERENCE “MODERN PHARMACEUTICS: ACTUAL
PROBLEMS AND PROSPECTS”
TASHKENT, OCTOBER 17, 2025
in-academy.uz
ensu es uni o m dis ibu ion o subs ances, while coa ing echnologies p o ide he possibili y o
egula e he elease a e o ac i e ing edien s.
Conclusions: The de elopmen o combina ion immunosupp essi e dosage o ms is a
p omising app oach o imp o e he ea men o ansplan a ion and au oimmune diseases. Such
o mula ions can inc ease he apeu ic e icacy, minimize ad e se e ec s, and enhance pa ien s’
quali y o li e. In his con ex , c ea ing a combina ion able based on mycophenola e mo e il
cons i u es a highly ele an scien i ic and p ac ical ask o bo h he pha maceu ical indus y and he
heal hca e sys em.
