March 19, 1987

The Food and Drug Administration approves the anti-AIDS drug AZT, marking a significant milestone in the treatment of HIV/AIDS.


Washington, D.C., United States | Food and Drug Administration

Watercolor painting based depiction of The Food and Drug Administration approves the anti-AIDS drug AZT, marking a significant milestone in the treatment of HIV/AIDS. (1987)

Approval of AZT by the FDA on March 20, 1987

On March 20, 1987, the U.S. Food and Drug Administration (FDA) approved the drug zidovudine, commonly known as AZT (azidothymidine), for the treatment of HIV/AIDS. This approval marked a significant milestone in the fight against the AIDS epidemic, which had emerged as a major public health crisis in the early 1980s.

Context and Background

  • HIV/AIDS Epidemic: By the mid-1980s, HIV/AIDS had become a global health emergency. The virus, which attacks the immune system, was spreading rapidly, and there were limited treatment options available. The disease was associated with high mortality rates and significant social stigma.

  • Development of AZT: Originally synthesized in the 1960s as a potential cancer treatment, AZT was repurposed in the 1980s for use against HIV. Researchers discovered that AZT could inhibit the replication of the virus in laboratory settings.

  • Clinical Trials: The effectiveness of AZT was demonstrated in clinical trials, which showed that the drug could significantly reduce mortality and opportunistic infections in patients with AIDS. The trials were conducted under the auspices of the National Institutes of Health (NIH) and Burroughs Wellcome Co., the pharmaceutical company that developed AZT.

Key Events Leading to Approval

  • Rapid Approval Process: The FDA’s approval of AZT was notably swift, taking only 20 months from the start of clinical trials to approval. This expedited process was largely due to the urgent need for effective treatments for AIDS patients.

  • Impact on Patients: AZT was the first drug approved specifically for the treatment of HIV/AIDS, offering hope to thousands of patients. It was initially approved for use in individuals with advanced HIV infection and later for those with less severe disease.

Aftermath and Significance

  • Impact on Treatment: The approval of AZT represented a turning point in the management of HIV/AIDS. It was the first step towards the development of combination antiretroviral therapy (ART), which has since transformed HIV from a fatal disease to a manageable chronic condition.

  • Economic and Social Implications: The high cost of AZT initially limited its accessibility, leading to debates over drug pricing and healthcare equity. Over time, the development of generic versions and additional antiretroviral drugs improved access to treatment.

  • Legacy: The approval of AZT paved the way for further research and development in the field of HIV/AIDS treatment. It highlighted the importance of rapid drug development and approval processes in response to public health emergencies.

In conclusion, the FDA’s approval of AZT on March 20, 1987, was a landmark event in medical history, offering a glimmer of hope during the early years of the AIDS crisis and setting the stage for future advancements in HIV treatment.