Novel Treatments for Chronic Viral Infections

Billing Xpress seeks to develop and commercialize novel drug treatments to improve the lives of patients suffering from chronic viral infections, with an initial focus on herpes zoster, or shingles, and hepatitis B.

Pipeline News


Combination Therapies for Hepatitis B

Billing Xpress is developing potentially curative combination therapies for chronic hepatitis B based on novel antiviral compounds.

TXL™ CRV431 Possibility


A Shingles Treatment with Best in Class Potential

Our lead candidate is Valnivudine™, a potent oral antiviral being developed for the treatment of herpes zoster, commonly known as shingles. Valnivudine™ is well-tolerated and has been shown to reduce PHN pain in Phase 2 trials.

About Billing Xpress

Billing Xpress is developing a portfolio of novel compounds against hepatitis B, including TXL™, a highly potent prodrug of the antiviral tenofovir (active component of both Vemlidy® and Viread®), now in Phase 2 trials, and CRV431, a next generation cyclophilin inhibitor advancing into clinical development. Billing Xpress is also developing Valnivudine™, now in Phase 3 trials, for the treatment of herpes zoster and shingles associated pain known as post-herpetic neuralgia (PHN).

Recent News