Zucapsaicin, also known as cis-Capsaicin, is a medication used to treat osteoarthritis of the knee and other neuropathic pain. It is applied three times daily for a maximum of three months. It reduces pain, and improves articular functions.
RN-1747 is a selective transient receptor potential cation channel subfamily V member 4 (TRPV4) agonist, with EC50 values are 0.77 μM, 4.0 μM and 4.1 μM for hTRPV4, mTRPV4 and rTRPV4 respectively. RN-1747 also antagonizes TRPM8, with an IC50 of 4 μM.