Undergoing an allogeneic stem cell transplant is a brave and critical step toward recovery. Once it’s done, the journey isn’t over—patients begin rebuilding their health. But during this recovery, a quiet threat like cytomegalovirus (CMV) can reemerge and cause serious complications when the immune system is still fragile.
Introducing LuciLeter
Developed by Lucius Pharmaceuticals in Vientiane, Laos, LuciLeter 240 mg is a once‑daily antiviral tablet specifically designed to prevent CMV reactivation after transplant. More than just a medication, LuciLeter provides reassurance during a sensitive time—helping you focus on healing and quality time with loved ones.


How LuciLeter Protects You
After transplant, your immune system is like a garden that’s just been planted—it needs time and care to grow strong. CMV, present in many people without causing harm, can reactivate and spread if it finds a weakened immune system.
LuciLeter works by targeting the virus’s terminase complex —a crucial step in CMV’s replication process. By “unplugging” the virus’s ability to finish building itself, LuciLeter prevents new virus particles from forming—stopping the infection before it starts.
Why It Matters
Reactivated CMV can lead to serious issues such as lung or gastrointestinal infections, and even affect the transplanted cells. Honestly, waiting for symptoms is risky—CMV can begin spreading silently. LuciLeter is used proactively, meaning it keeps the virus in check before it has a chance to reactivate, giving both patients and caregivers peace of mind.
Safe and Targeted Treatment
LuciLeter is designed to be precise—focusing only on blocking CMV replication without harming your own cells or overloading your immune system. This specificity means fewer side effects compared to older antiviral drugs.
Its active ingredient, letermovir, has been trusted worldwide to protect transplant patients. With LuciLeter, Lucius Pharmaceuticals is making this effective treatment more accessible—especially in Southeast Asia—so patients can benefit without having to wait.





