Injectable Hydrogels (IMAGE) Stanford University School of Engineering Caption Stanford engineers have developed an injectable hydrogel depot technology that enables GLP-1 drugs to be administered once every four months, compared to repeated daily injections. Credit Photo courtesy of Andrea Ivana d'Aquino / Stanford University Usage Restrictions Please use photo credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.