Gastroretentive Drug Delivery System

B.Pharmacy, 7th Semester, 2025 (2024-2025) - Lecture Notes

BP704T Novel Drug Delivery System

Maulana Abul Kalam Azad University of Technology

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HK Technical PGIMS

32 10 Report Jan 14, 2025

Farhan Aziz

Gastroretentive Drug Delivery System B.Pharmacy 7th Semester 2025 (2024-2025) Previous Year's Question Papers/Notes Download - HK Technical PGIMS

Gastroretentive Drug Delivery System GRDDS Floating Systems Effervescent Systems Mucoadhesive Systems Buoyancy Mechanism Increased Density for Prolonged Retention

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Gastroretentive Drug Delivery System

Gastroretentive Drug Delivery System (GRDDS)
1. Introduction
2. Types of Gastroretentive Drug Delivery Systems
Floating Systems
Effervescent Systems
Swelling and Expanding Systems
Mucoadhesive Systems
High-Density Systems
 
3. Mechanisms of GRDDS
Buoyancy Mechanism
Adhesion to the Gastric Mucosa
Expansion to Prevent Gastric Emptying
Increased Density for Prolonged Retention
4. Advantages of GRDDS
5. Challenges and Limitations
6. Applications of GRDD
 

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