Question

The duration of action of parental controlled release systems can be extended up to what time?

(a) 1 day

(b) 1 week

(c) 1 month

(d) Day, week, month even a year

The question was posed to me during a job interview.

This is a very interesting question from Biopharmaceuticals in section Biopharmaceuticals of Drug Biotechnology

Answer 1

Right option is (d) Day, week, month even a year

For explanation: The advantages of parenteral admiration is the duration of action can be extended for days, weeks, months or even a year. The major drawback of parenteral administration is once the administration is done, the drug cannot be removed easily if an undesirable action happens. These drugs are administered by subcutaneous, intramuscularly, intravenous, intraperitoneal.