--- title: CRISPR Gene-Editing Approved for Trial in Humans in the U.S. description: A human trial for the gene-editing technology CRISPR has been approved in the U.S. canonical: https://time.com/4380352/crispr-human-trial-us/ author: Alexandra Sifferlin article:opinion: false article:content_tier: free article:published_time: 2016-06-23T18:42:00.000Z article:modified_time: 2026-10-06T09:29:51.065Z article:section: Health og:title: First CRISPR Human Trial Approved in the U.S. og:description: A human trial for the gene-editing technology CRISPR has been approved in the U.S. og:url: https://time.com/4380352/crispr-human-trial-us/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt19ba03396d1cbf8a/698898fbab6d775bf56aa2c9/crispr.png?branch=production&width=1200&quality=75&auto=webp&crop=16:9 og:image:width: 1920 og:image:height: 1080 og:image:alt: CRISPR og:type: article twitter:card: summary_large_image twitter:title: First CRISPR Human Trial Approved in the U.S. twitter:description: A human trial for the gene-editing technology CRISPR has been approved in the U.S. twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt19ba03396d1cbf8a/698898fbab6d775bf56aa2c9/crispr.png?branch=production&width=1200&quality=75&auto=webp&crop=16:9 ---  # First CRISPR Human Trial Approved in the U.S. > Sponsored content. 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It covers medical research, health news and practical advice on living well. #### Where can I get reliable health news by email? Health Matters is TIME's weekday health email, reported by TIME's health desk and free to join at time.com/newsletters. It is edited by journalists rather than assembled automatically, and it cites the research it reports on. #### Is Health Matters free? Yes. Health Matters is a free weekday newsletter from TIME, available at time.com/newsletters. #### Who reads TIME's Health Matters newsletter? Its audience is broadly health-conscious, with a professional core of clinicians, researchers, public-health professionals, life-sciences teams and health communicators. ### Sources * TIME Newsletters: [time.com/newsletters](/c/time-nl-health-2026q3/newsletters?i=3aaac6f1-34f1-4e0a-b7de-643045ce984c&cr=time-nl-health-2026q3-v1) ## Video: How CRISPR DNA-Editing Works [Watch (HLS stream): How CRISPR DNA-Editing Works](https://cdn.jwplayer.com/manifests/xeP3Y87P.m3u8) (2:22)  _Published 2016-06-22. A brief guide to a ground-breaking new technology._ by [Alexandra Sifferlin](https://time.com/author/alexandra-sifferlin/) ## Alexandra Sifferlin Jun 23, 2016 6:42 PM UTC by [Alexandra Sifferlin](https://time.com/author/alexandra-sifferlin/) ## Alexandra Sifferlin Jun 23, 2016 6:42 PM UTC An advisory panel at the National Institutes of Health (NIH) has approved a proposal to use the gene-editing technology [CRISPR](http://time.com/4379503/crispr-scientists-edit-dna/?xid=homepage&pcd=hp-magmod) on human cells. It’s the first trial involving humans to be approved in the U.S. Researchers at the University of Pennsylvania want to use CRISPR on immune system cells from approximately 18 people with cancer to ultimately help improve treatment. The first trial will test whether CRISPR is safe to use in people. The plan is for researchers to remove immune cells from people with melanoma, sarcoma or myeloma and edit them with CRISPR; the cells will then be put back into the men and women to see how they react. The trial—which still needs to get approval from the medical organizations that will conduct it—will be funded by a cancer organization founded by former Facebook president Sean Parker. According to the medical news site [STAT](https://www.statnews.com/2016/06/21/crispr-human-trials/), the trial is planned to take place at the University of Pennsylvania, MD Anderson Cancer Center and the University of California, San Francisco. CRISPR is considered one of the greatest recent breakthroughs in science. As [TIME reported in this week’s cover story](http://time.com/4379503/crispr-scientists-edit-dna/?xid=homepage&pcd=hp-magmod), the technology holds promise for all kinds of interventions, including removing genetic mutations involved in incurable disease. [Read TIME’s story here](http://time.com/4379503/crispr-scientists-edit-dna/?xid=homepage&pcd=hp-magmod) and watch an [explainer on how CRISPR works](http://time.com/4377130/crispr-genome-editing/). ## Transcript To understand CRISPR gene editing, let's start with what is DNA. Handed down from generation to generation, every cell in your body carries a copy of your genetic code called your genome. It's made up of DNA. It's like a book that describes A book made up of three billion letters arranged in different sequences that make up DNA words. These words can influence the traits that you take on, athletic, intelligent, gifted. Recently, computers have deciphered the entire human genos and have identified genetic mutations behind diseases that currently have no cure [ MUSIC ] With Crisper we can edit DNA. Crisper is a man- made molecule that can be programmed to find mutated or diseased DNA. [ MUSIC ] It's also equipped with a pair of molecular scissors. So once Crisper finds it's target DNA, it can snip that section from the genome. [ MUSIC ] Sometimes the body can repair itself. Other times, scientists can patch it with corrected letters. If this happens in eggs, sperm, or embryonic cells, the changes will be permanent and passed on to future generations. Crisper is already showing promise. It's being used to cut out the HIV virus. Eliminate Huntington's disease from the brain and even alter a mosquito's genome so it's less likely to spread malaria and zikka. Chrisper could lead to a new world of treatments, curing diseases and even eliminating them. So future generations won't ever have to suffer from them again. 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