Design and development of leflunomide loaded topical microsponge gel: insights from ex vivo and in vivo inflammatory studies. - Shah, Nirmal; Patel, Priyank; Gohil, Dipti; Maheshwari, Rajesh; Talele, Chitrali; Talele, Dipali; Parikh, Dhaivat; Patwa, Jay (Pharmaceutical Development & Technology, 2025)