1. Introduction to Dosage
Form Design
Abubakr O. Nur (M.Pharm; PhD)
Assoc. Prof. in Pharmaceutics (U of K)
August 2010

2. Introduction
• What the course aim at?
• What are pharmaceutical
processing, drug formulation and
biopharmaceutics?
• Why DS or a dosage form for a
drug?
2Dr. Abubakr O. Nur

3. • You are already familiar with the
following terms:
–Route of administration,
bioavailability, bioequivalence,
biopharmaceutics, rate and extent
of drug absorption, onset of drug
action, first pass effect, dissolution
and disintegration. Are you?????
3Dr. Abubakr O. Nur

4. • In fact, to design a dosage form
three factors contribute similarly.
1. Dosage form related factors
2. Drug related factors
3. Physiological factors
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5. Dosage forms to be considered are:
– Solid dosage forms (tablets and capsules)
– Liquid dosage forms (solution, suspensions and
emulsions)
– Gas delivery (aerosols and inhalations)
– Semisolid delivery systems (dermatological
products)
– Products for Transdermal applications (skin
patches)
– Sustained and novel DDS.
– Sterile products
5Dr. Abubakr O. Nur