How to Use investigational in a Sentence

investigational

adjective
  • The idea is this would be an investigational vaccine that was stored.
    — Helen Branswell, STAT, 20 July 2023
  • The step after that would be to apply for an investigational device.
    — Melanie Eversley, USA TODAY, 25 Apr. 2017
  • But now ultra-rapid sequencing is moving from an investigational tool to a standard of care.
    — Michele Cohen Marill, Wired, 9 Mar. 2020
  • Volunteers will receive either a dose of the investigational vaccine or a placebo and will be in the trial for up to two years and one month.
    — Naseem S. Miller, orlandosentinel.com, 2 Nov. 2020
  • There is twice as much chance of receiving the investigational vaccine than of receiving the placebo.
    — oregonlive, 1 Dec. 2020
  • The demand for investigational vaccines and therapies will be very high.
    — Luciana Borio and Scott Gottlieb, WSJ, 28 Jan. 2020
  • All the participants will either receive a standard dose or a high dose of the investigational vaccine.
    — The Washington Post, The Denver Post, 1 Apr. 2017
  • Patients still struggle to get access to investigational drugs.
    — Nicole Cimbura, WSJ, 26 Apr. 2021
  • The study involved ten large companies, which were not named, and 106 investigational drugs, also not named.
    — Gina Kolata, New York Times, 11 Sep. 2017
  • Many of these investigational therapies are available on the New Lenox campus.
    — chicagotribune.com, 28 Sep. 2017
  • Patients do not pay to participate in trials or for investigational drugs, but may incur costs for transportation, child care, or lose income from not working.
    — Angus Chen, STAT, 8 June 2022
  • Nonapproved stem cell products are investigational and are under review to see if the therapy can treat many other conditions.
    — Phoebe Quinton, AJC.com, 15 June 2026
  • Later in 1962, Kelsey was named head of the FDA’s new investigational drug branch.
    — Nancy Kriplen, Discover Magazine, 6 Feb. 2017
  • Later in 1962, Kelsey was named head of the FDA’s new investigational drug branch.
    — Nancy Kriplen, Discover Magazine, 5 Feb. 2017
  • Tivic emphasizes that the therapies remain investigational and are not approved for commercial use.
    — Lyssanoel Frater, USA Today, 25 Mar. 2026
  • The investigational compound is the first such medicine to deliver more than 20% weight loss on average, compared to placebo, in a Phase 3 study.
    — Joshua Cohen, Forbes, 1 May 2022
  • This enables people with serious or life-threatening disease to access investigational drugs.
    — Tom Gavin, EverydayHealth.com, 2 June 2026
  • Kailera said yesterday that its investigational obesity drug that targets three hormones led to significant weight loss in a Phase 1 study.
    — Elaine Chen, STAT, 27 May 2026
  • Wesana plans on submitting an investigational new drug application with the FDA during the first quarter of next year.
    — Tim Casey, Forbes, 13 May 2021
  • Much of this rise can be attributed to its investigational drug - Simufilam - for the treatment of Alzheimer’s disease moving to late stage clinical trials.
    — Trefis Team, Forbes, 28 Sep. 2021
  • Notably, the weight loss measured for both investigational therapeutics was less than rates observed for patients treated with available sub-cutaneous injectable options.
    — Joshua P. Cohen, Forbes.com, 2 Sep. 2025
  • Beth-Ann Coller, the team leader on the Ebola vaccine, said all existing stock of the vaccine is investigational — it was made before the vaccine was licensed.
    — Helen Branswell, Scientific American, 12 Nov. 2019
  • When the press release was issued, results were available for eight volunteers on the question of whether the investigational vaccine had produced neutralizing antibodies to the virus.
    — Robert Kuznia, CNN, 1 June 2020
  • This allows seriously ill patients to receive investigational drugs outside clinical trials if there are no other available options.
    — Mary Kekatos, ABC News, 22 Dec. 2025
  • Initially, testing for mpox was limited to select labs and medical professionals, who had to weave through a mesh of red tape to order them and to prescribe Tpoxx, an investigational drug used to treat the virus.
    — Kwasi Gyamfi Asiedu, Los Angeles Times, 17 May 2023
  • With such promising lab results, the team got an emergency investigational new drug approval from the Food and Drug Administration to treat the sick doctor with their pond phage.
    — Beth Mole, Ars Technica, 20 Mar. 2018
  • The company plans to file four investigational new drug applications by the end of 2021, according to Session.
    — Dallas News, 5 Aug. 2020
  • Some people taking the investigational medication retatrutide lost an average of 30 percent of their body weight in about 2 years.
    — Emily Kay Votruba, EverydayHealth.com, 8 June 2026
  • There's also the Right to Try Act, which gives terminally ill patients another pathway to access investigational drugs.
    — Chase Malackowski, Newsweek, 14 Jan. 2025
  • An investigational dementia drug may also ease alcohol withdrawal by calming the brain inflammation linked to addiction and relapse.
    — Melissa Rudy, FOXNews.com, 25 May 2026

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'investigational.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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