A Long-Term Follow-Up Study of Participants Exposed to REACT

This long-term follow-up study is tracking the health of people who previously received a treatment called REACT — an experimental kidney therapy made from a gelatin-hydrogel formulation — as part of an earlier clinical trial for chronic kidney disease. The goal is to monitor participants' long-term health and safety outcomes years after receiving that treatment. There are no new treatments involved; this is purely an observational follow-up to ensure the long-term safety of those who participated before. **You may be eligible if:** - You previously received the REACT treatment in one of three specific earlier clinical trials: RMCL-002, REGEN-003, or REGEN-004 - Those trials were for the treatment of chronic kidney disease - You completed the required final study visit in your original trial according to the protocol **You may NOT be eligible if:** - You did not actually receive the REACT treatment in a prior clinical trial (for example, if you were in a control group that did not receive it) - You did not complete the required end-of-study visit in your original trial Talk to your doctor to see if this trial is right for you.