Related Experiment Video
Updated: Apr 20, 2026

Establishment and Quantification of De Novo Lytic Infection by Cell-free Kaposi's Sarcoma-Associated Herpesvirus
Published on: August 15, 2025
KSHV targeted therapy: an update on inhibitors of viral lytic replication
Natacha Coen1, Sophie Duraffour2, Robert Snoeck3
1Rega Institute for Medical Research, KU Leuven, B-3000 Leuven, Belgium. natacha.coen@rega.kuleuven.be.
Abstract:
Kaposi's sarcoma-associated herpesvirus (KSHV) is the causative agent of Kaposi's sarcoma, primary effusion lymphoma and multicentric Castleman's disease. Since the discovery of KSHV 20 years ago, there is still no standard treatment and the management of virus-associated malignancies remains toxic and incompletely efficacious. As the majority of tumor cells are latently infected with KSHV, currently marketed antivirals that target the virus lytic cycle have shown inconsistent results in clinic. Nevertheless, lytic replication plays a major role in disease progression and virus dissemination. Case reports and retrospective studies have pointed out the benefit of antiviral therapy in the treatment and prevention of KSHV-associated diseases. As a consequence, potent and selective antivirals are needed. This review focuses on the anti-KSHV activity, mode of action and current status of antiviral drugs targeting KSHV lytic cycle. Among these drugs, different subclasses of viral DNA polymerase inhibitors and compounds that do not target the viral DNA polymerase are being discussed. We also cover molecules that target cellular kinases, as well as the potential of new drug targets and animal models for antiviral testing.
Insights
Potent antivirals targeting the Kaposi's sarcoma-associated herpesvirus (KSHV) lytic cycle are needed for treating KSHV-associated diseases. This review examines current antiviral drugs and potential new therapeutic strategies against KSHV.
Area of Science:
- Virology
- Oncology
- Pharmacology
Background:
- Kaposi's sarcoma-associated herpesvirus (KSHV) causes significant KSHV-associated malignancies.
- Current treatments for KSHV-associated diseases are toxic and incompletely effective.
- Antivirals targeting KSHV's lytic cycle show inconsistent clinical results, necessitating new therapeutic approaches.
Purpose of the Study:
- To review the anti-KSHV activity and mechanisms of antiviral drugs targeting the KSHV lytic cycle.
- To discuss the current status of antiviral therapies for KSHV-associated diseases.
- To explore novel drug targets and animal models for KSHV antiviral testing.
Main Methods:
- Literature review of antiviral drugs targeting KSHV lytic replication.
- Analysis of different drug classes, including viral DNA polymerase inhibitors and non-polymerase inhibitors.
- Discussion of cellular kinase inhibitors and emerging therapeutic strategies.
Main Results:
- Current antivirals targeting the KSHV lytic cycle have limitations.
- Various antiviral drug subclasses demonstrate activity against KSHV.
- New drug targets and animal models are crucial for advancing KSHV antiviral development.
Conclusions:
- There is an unmet need for potent and selective antiviral therapies against KSHV.
- Understanding KSHV lytic replication is key to developing effective treatments.
- Further research into novel drug targets and preclinical models is essential for combating KSHV-associated diseases.
More Related Videos
Related Concept Videos
Inhibitors of Viral Protein Synthesis
Targeted Cancer Therapies
There are several types of targeted therapies against...
Targeted Cancer Therapies
Subviral Agents
Lytic Cycle of Bacteriophages
Inhibitors of Bacterial DNA Synthesis

