1. Introduction/Overview The discovery of artemisinin, a sesquiterpene lactone endoperoxide isolated from the plant Artemisia annua (sweet wormwood), represents one of the most significant advances in antimalarial chemotherapy in the latter half of the 20th century. Its identification and development were driven by the urgent need for novel agents against Plasmodium falciparum strains that had … Read more

Introduction/Overview Chloroquine, a 4-aminoquinoline compound, represents a cornerstone agent in the chemotherapeutic arsenal against malaria. First synthesized in 1934 and introduced into clinical practice in the 1940s, its efficacy, low cost, and generally favorable safety profile led to its widespread use for decades. While the emergence and global spread of Plasmodium falciparum resistance have significantly … Read more

Introduction/Overview Zidovudine, also known as azidothymidine (AZT), represents a cornerstone in the historical and contemporary management of human immunodeficiency virus (HIV) infection. As the first antiretroviral agent approved for clinical use by the United States Food and Drug Administration in 1987, its introduction marked a pivotal transition in the therapeutic approach to HIV/AIDS from purely … Read more

Introduction/Overview Acyclovir, a synthetic purine nucleoside analogue, represents a cornerstone in the chemotherapeutic management of infections caused by herpesviruses. Its development in the late 1970s marked a pivotal advancement in antiviral therapy, providing the first agent with selective toxicity against viral replication while sparing host cells. The clinical introduction of acyclovir fundamentally altered the management … Read more

Introduction/Overview Fluconazole represents a cornerstone agent within the systemic antifungal armamentarium. As a synthetic triazole antifungal, its development marked a significant advancement in the management of invasive and superficial fungal infections due to its favorable pharmacokinetic profile, oral bioavailability, and broad spectrum of activity. The clinical importance of fluconazole is underscored by its extensive use … Read more

Introduction/Overview Amphotericin B represents a cornerstone polyene macrolide antibiotic in the therapeutic armamentarium against severe, life-threatening systemic fungal infections. First isolated in 1955 from Streptomyces nodosus, it has maintained its status as a gold-standard antifungal agent for decades, often described as “amphoterrible” due to its significant toxicity profile, yet indispensable for its broad-spectrum and fungicidal … Read more

Introduction/Overview Dapsone, a synthetic sulfone antimicrobial agent, represents a cornerstone in the chemotherapeutic management of several chronic infectious and inflammatory conditions. First synthesized in the early 20th century and introduced into clinical practice in the late 1940s, its primary and most historically significant application remains the treatment of leprosy (Hansen’s disease). The drug’s utility has … Read more

Introduction/Overview Ethambutol is a first-line synthetic chemotherapeutic agent integral to the modern management of tuberculosis. Its discovery in 1961 represented a significant advancement in antimycobacterial therapy, providing an orally active agent with a distinct mechanism of action. The clinical importance of ethambutol stems from its role in combination therapy, which is essential for preventing the … Read more

Introduction/Overview Pyrazinamide is a cornerstone synthetic antimycobacterial agent integral to the modern short-course chemotherapy for tuberculosis. Its introduction in the 1950s and subsequent integration into first-line regimens in the 1970s revolutionized tuberculosis treatment by significantly reducing therapy duration from 18-24 months to the current standard of 6 months. The drug’s unique sterilizing activity against semi-dormant … Read more

Introduction/Overview Isoniazid, also known by its abbreviation INH, represents a cornerstone chemotherapeutic agent in the global management of tuberculosis (TB). Since its introduction into clinical practice in the early 1950s, its potent bactericidal activity against Mycobacterium tuberculosis has rendered it indispensable for both the treatment of active disease and the prevention of latent infection. The … Read more