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The timeline can be navigated with the “Scroll Left” and “Scroll Right” buttons or by dragging the pointer to a date on the timeline waveform (located at the bottom of the screen on the desktop version and on the left of the screen on mobile). To filter by a particular topic and see a smaller section of the data, make a selection on the dropdown “Filters” menu or click “Search” to do a keyword search. Hover over the abbreviated filter tags in the blue boxes to see the complete name of the filter, or click a filter to display all the data with this tag. If you want to take a deeper dive into a specific topic by viewing a narrative essay page and a curated timeline, click on “Stories.”

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Amendments to the 1938 Food, Drug, and Cosmetic Act passed. This is the first U.S. law regulating drug trials.

1962

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The Kefauver-Harris Amendments focus on ensuring greater efficacy and safety in human drug trials. Drug manufacturers are required to secure informed consent from trial participants, prove to the U.S. Food and Drug Administration (FDA) that their products are effective before advertising them, and disclose any serious side effects. The amendments emerge partially in response to the thalidomide tragedy.