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booster (bstr)
An additional dose of an immunizing agent, such as a vaccine or toxoid, given at a time period of weeks to years after the initial dose to sustain the immune response elicited by the first dose. Tetanus, diphtheria, and measles vaccines are commonly given in booster doses.
Asa cum sunt folosite mai sus ar fi "doze de rapel" care intensifica raspunsul imun.

In cazul nostru,
"inhibitori de proteaze al caror raspuns farmacologic este intensificat cu ritonavir" sau altfel spus "Ritonavir amelioreaza eficacitatea clinica a inhibitorilor de proteaze."

vezi

Ritonavir is frequently prescribed with HAART, not for its antiviral action, but as it inhibits the same host enzyme that metabolizes other protease inhibitors. This inhibition leads to higher plasma concentrations of these latter drugs, allowing the clinician to lower their dose and frequency and improving their clinical efficacy