1. Evaluation of a microemulsion-based gel formulation for topical drug delivery of diclofenac sodium, Braa Hajjar, Kira-Isabel Zier, Nayab Khalid, Shirzad Azarmi, Raimar Löbenberg, Journal of Pharmaceutical Investigation volume 48, 351–362 (2018). Link to article

2. Determination of efficacy and toxicity of diclofenac microemulsion formulation for musculoskeletal pain: an observational study, Hoan Linh Banh, Andrew Cave, BMC Research Notes volume 13, 285 (2020). Link to article
 
3. In Vitro Evaluation of a Foamable Microemulsion Towards an Improved Topical Delivery of Diclofenac Sodium, Braa Hajjar, Jieyu Zuo, Chulhun Park, Shirzad Azarmi, Daniela Amaral Silva, Nádia Araci Bou-Chacra, Raimar Löbenberg, AAPS PharmSciTech volume 23, Article No:102 (2022). Link to article

4. A Double-Blinded Randomized Clinical Trial: Topical Sahasthara extract versus Diclofenac for treating Primary Knee Osteoarthritis using microemulsions as topical delivery system, Ninnart Intharit, Arunporn Itharat, Raimar Löbenberg, Boonchana Pongcharoen, Kalyarut Phumlek, Ubonwan Saesiw, Theeraphong Ninlaor, Suchada Naknarin, Patcharaporn Muanrit, Reawfang Sriyom, 2026, in press. Linke to article