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Updated: Jun 23, 2025

Self-Nanoemulsification of Healthy Oils to Enhance the Solubility of Lipophilic Drugs
Published on: July 27, 2022
Self-emulsifying Drug Delivery Systems: Concept to Applications, Regulatory Issues, Recent Patents, Current
Rajib Lochan Maharana1, Suryakanta Swain2, Santosh Kumar Mahapatra3
1Pharmacy, Biju Patnaik University of Technology (BPUT), Chhend Colony, Rourkela, 769004, Odisha, India.
Self-emulsifying drug delivery systems (SEDDS) enhance solubility and bioavailability for poorly soluble drugs. This review covers SEDDS advancements, formulation, characterization, and future opportunities for improved drug delivery.
Area of Science:
- Pharmaceutical Sciences
- Drug Delivery Systems
Background:
- A significant percentage of new pharmaceuticals exhibit poor water solubility, posing challenges for oral administration.
- Poor solubility leads to issues like dosage proportionality, high variability, and limited bioavailability, especially in the lungs.
Purpose of the Study:
- To summarize advances, components, variations, production techniques, characterization, limitations, and opportunities for Self-emulsifying drug delivery systems (SEDDS).
- To provide a current account of biopharmaceutical advancements in SEDDS, including Quality by Design (QbD) and regulatory aspects.
Main Methods:
- Review of existing literature on SEDDS.
- Analysis of formulation components, including surfactants, co-surfactants, and cosolvents.
- Exploration of production and characterization techniques for SEDDS.
Main Results:
- SEDDS formulations, containing lipophilic drugs, can form microemulsions and emulsions with minimal agitation.
- Effectiveness of various SEDDS formulations and techniques has been demonstrated for lipophilic drugs.
- The study highlights the application of QbD methodologies for optimizing drug formulations within SEDDS.
Conclusions:
- SEDDS offer a promising approach to overcome poor drug solubility and enhance bioavailability.
- Future directions include optimizing SEDDS composition, evaluation, diverse dosage forms, and solid-state conversion techniques.
- Addressing regulatory roadblocks is crucial for the progression of SEDDS technology.
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