Draft:Robert M. Roth

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Robert M. Roth
OccupationsBiotechnology executive, inventor
Known forAntiviral drug discovery platforms, bioactive air filtration technology

Robert M. Roth is an American biotechnology executive and inventor. He has held leadership roles at Apath, LLC, focused on antiviral drug discovery technologies (particularly for hepatitis C virus), and at BioActive Technology, LLC, involved in bioactive polymer coatings for air filtration.

Education

Roth earned a Bachelor of Science in biology from Creighton University (1988–1993) and a Master of Biology in health sciences and virology from Washington University School of Medicine in St. Louis (1993–1996). He holds a Global Executive MBA in business administration and management from Duke University's Fuqua School of Business (2011–2013) and a Certificate of Professional Development in business administration and management from The Wharton School (2010–2011).

Roth is a Diplomate in Pharmaceutical Toxicology certified by the American Board of Toxicology (2006–2012) and was a member of the American Association of Pharmaceutical Scientists (2005–2009).

Career

Roth joined Apath, LLC in 1999. He served as vice president of strategic operations and later as president and chief executive officer. His work at Apath centered on high-throughput screening systems using replication-competent and subgenomic viral models for antiviral drug discovery, targeting viruses including hepatitis C (HCV), West Nile, RSV, Ebola, and influenza. Materials and cell lines from Apath, such as HUH 7.5 cells, have supported external virology research, including coronavirus vaccine studies as recently as 2025.

Apath was founded by Charles M. Rice, who shared the 2020 Nobel Prize in Physiology or Medicine for discoveries concerning the hepatitis C virus. Roth has been listed as a collaborator with Rice in international HCV research networks, including the Pawlotsky Research Lab (INSERM U955) for genotypic and phenotypic studies of hepatitis virus resistance to antivirals.[1]

In 2012, Southern Research announced a collaboration with Apath to provide fee-for-service preclinical testing using Apath's HCV technology; Roth was quoted regarding the agreement and the company's sublicensing efforts.

Roth has been involved in a Department of Defense-funded project at Apath for the development of new antiviral drugs targeting Ebola infection.

Prior to Apath, he worked at Genome Systems and Incyte Genomics on high-throughput screening systems, integrated robotics platforms, and laboratory management.

Apath, LLC concluded all business operations effective May 31, 2025.

Roth has also served as a biotechnology executive and managing director with BioActive Technology, LLC. He contributed to the development team for the ViSTAT Advanced Pathogen Defense platform, which applies ablative polymer coatings to air filtration media to inactivate airborne pathogens. A 2026 medRxiv preprint describes the technology's performance in converting passive filters into active biofiltration surfaces.

Research and inventions

Roth is a co-author on peer-reviewed research identifying small-molecule inhibitors of viral replication. This includes a 2014 study (published in Antimicrobial Agents and Chemotherapy) identifying AP80978, a novel inhibitor of hepatitis C virus replication that targets the NS4B protein,[2] a 2007 study on novel small-molecule inhibitors of West Nile virus infection,[3] and a 2006 conference paper on identification of inhibitors of Ebola virus using a subgenomic replication system.[4]

In 2004, Roth served on the National Institutes of Health (NIH) Working Group for Drug-Induced Liver Disease, contributing to the trans-NIH Action Plan for Liver Disease Research.[5]

He is named as an inventor on multiple patents related to antiviral technologies, including:

  • US20110262397A1 / US8809344B2 on tetrahydropyrazolo[1,5-a]pyrimidine compounds, compositions, and methods for control of hepatitis C viral infections (assigned to Apath, LLC)[6]
  • WO2006093518A2 on thienyl compounds for treating virus-related conditions (assigned to Apath, LLC)
  • Patents on multiple virus replicon culture systems, 4-aminoquinoline compounds, and air filters with ablative and sacrificial polymers (associated with the ViSTAT platform)

References

  1. ^ "Genotypic and phenotypic studies of hepatitis virus resistance to antivirals". Pawlotsky Research Lab, INSERM U955. Retrieved 2026-05-05.
  2. ^ Dufner-Beattie, Jodi (2014). "Identification of AP80978, a Novel Small-Molecule Inhibitor of Hepatitis C Virus Replication That Targets NS4B". Antimicrobial Agents and Chemotherapy. 58 (6): 3399–3410. doi:10.1128/AAC.00113-14. PMC 4068439. PMID 24637657.
  3. ^ Noueiry, A.O. (2007). "Identification of Novel Small-Molecule Inhibitors of West Nile Virus Infection". Journal of Virology. 81 (21): 11992–12004. doi:10.1128/JVI.01358-07. PMC 2045305. PMID 17715228.
  4. ^ "Identification of inhibitors of Ebola virus with a subgenomic replication system". Antiviral Research. 70 (2): A85. 2006. Retrieved 2026-05-05.
  5. ^ "This Month at the NIH: Action Plan for Liver Disease Research". Gastroenterology. 127 (1): 257. 2004. Retrieved 2026-05-05.
  6. ^ "US20110262397A1 – Compounds, compositions, and methods for control of hepatitis C viral infections". Justia Patents. Retrieved 2026-05-05.

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