What are Drug Delivery systems?
A drug delivery system is a process that refers to technologies and ways to deliver drugs (medicines) to specific sites in the body, and also to control the release rate of medications over time. It carries the drug into or throughout the whole body.
Types of drug delivery systems
Oral Drug delivery systems:
It is the most common and famous drug delivery system in the world. Usually, Tablets, Capsules, and liquid oral formulations are the main dosage forms that are known as Oral Drug delivery system formulations.
Injectable drug delivery system
An injectable drug delivery system is a process to deliver medicine or drug to the body by infusion or injection method. Common formulations for Injectable delivery systems are Intravenous, subcutaneous, and intramuscular injections.
Transdermal Drug delivery system
It is the way of drug delivery by patches and creams through the skin. Popular formulations in this category are Patches and creams.
Inhalation drug delivery system
Inhalation is a very popular drug delivery system in patients who are taking medicines for asthma. Aerosol spray, dry powder inhalers, and spray inhalers are common formulations covered in this drug delivery system.
Implantable drug delivery systems
It is a process of drug delivery system that releases the drug in the body through a device that can deliver the drug in precise quantity in decided time intervals. These devices are implanted in the body for drug delivery systems.
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Targeted drug delivery system
It is a system where drugs are delivered to a target-specific body part such as tumors.
Examples of drug delivery systems
- Liposomes: These are microscopic spheres that are made up of lipids that can pack drugs into specific cells, tissues, or tumors in the body.
- Microspheres: These are small-sized particles that are injected into the body by an injection that is designed to deliver drugs at a stipulated time.
- Nanoparticles: These are micro or tiny particles that can be modified technologically to deliver special drugs to specific sites in the body.
- Drug-eluting Stents: These are common drug-coated objects used to clear the blockage in the arteries by a special nonsurgical operation. It is used in heart disease patients.
- Infusion pumps: These are special devices used as a pump to deliver drugs to patients for the pre-decided periods.
