How to Use confirmatory in a Sentence

confirmatory

adjective
  • Such is the case with HIV tests, which require a confirmatory test to accurately diagnose the virus.
    Elizabeth Boskey, Verywell Health, 20 July 2023
  • Although a dozen states are capable of testing for coronavirus infection, confirmatory tests must still be done by the C.D.C., a process that can take days.
    Roni Caryn Rabin, New York Times, 10 Mar. 2020
  • Even when drug sponsors manage to complete confirmatory trials, the results can remain up for grabs.
    Gideon Lewis-Kraus, The New Yorker, 19 June 2023
  • Something that could quickly see if a sample is from a big cat species, and therefore might be regulated, so that it could then be sent for confirmatory forensic testing.
    Rachel Crowell, Quanta Magazine, 17 Apr. 2023
  • Some confirmatory work also could take place through other missions or even someday from analysis of Mars samples brought back to Earth.
    Carmen Drahl, Smithsonian Magazine, 10 May 2023
  • Alas for us all, confirmatory untruths are so much more comforting.
    Chris Jones, chicagotribune.com, 27 Oct. 2019
  • The person was tested late last week, with confirmatory testing taking place at the Centers for Disease Control and Prevention over the weekend.
    Helen Branswell, STAT, 1 Apr. 2024
  • But the company’s confirmatory study has some serious flaws, according to the FDA, putting its future in jeopardy.
    Damian Garde, STAT, 4 Oct. 2023
  • Consumers who did not get a second, confirmatory test after testing positive with a recalled Ellume test should be aware their test result could have been wrong, the company said.
    Ken Alltucker, USA TODAY, 5 Oct. 2021
  • Because Krabbe newborn screening has a high rate of false positives, samples with abnormal results will be sent to the Mayo Clinic in Minnesota for confirmatory tests.
    Patricia Callahan, chicagotribune.com, 12 Dec. 2017
  • If positive, then a confirmatory Western blot test should be performed.
    BostonGlobe.com, 3 June 2022
  • Larger confirmatory trials that could lead to marketing approval are scheduled to begin next year.
    Elie Dolgin, Discover Magazine, 26 Apr. 2023
  • Lunak said new subscribers receive a confirmatory e-mail.
    Sean P. Murphy, BostonGlobe.com, 26 Mar. 2018
  • Three of the studies were edited, either through confirmatory experimentation or replacing the wrong images with the correct ones, and were published on the preprint server, bioRxiv.
    Angela Roberts, Baltimore Sun, 1 Aug. 2023
  • Despite the existing tests for diagnostic and prognostic biomarkers, few patients in the U.S. have been tested with these confirmatory tests because of cost and access restrictions.
    Howard M. Fillit, Scientific American, 1 Feb. 2019
  • The continued approval of the drug is contingent upon a confirmatory trial of the drug combinations’ benefits.
    Kimberly Chin, WSJ, 18 Jan. 2019
  • The restraint order passed by the respondent pursuant to the ad interim order and the confirmatory order restraining the appellant from functioning as a managing director is set aside.
    Naman Ramachandran, Variety, 30 Oct. 2023
  • Out of 360 Abbott test results checked through Friday, one negative test came back positive during confirmatory testing, Jilly said.
    USA TODAY, 28 May 2020
  • Such amendments could include proposals to keep Britain in the E.U. customs union or require a confirmatory referendum on the deal — essentially a second Brexit referendum, a do-over.
    Washington Post, 21 Oct. 2019
  • Technically, it can be taken off the market if a confirmatory study delivers negative results later this year.
    Jason Mast Reprints, STAT, 30 June 2023
  • An abnormal test result triggers a confirmatory test, such as gene sequencing, and potentially leads to a full diagnosis within two weeks.
    Robert Moy, STAT, 30 Apr. 2018
  • Sarepta said continued approval of the gene therapy may hinge on evidence from a confirmatory clinical trial.
    Robert Weisman, BostonGlobe.com, 22 June 2023
  • The vaccine went through the FDA’s accelerated approval pathway, and will continue to be evaluated in confirmatory studies.
    Meghana Keshavan, STAT, 10 Nov. 2023
  • In their complaints, the women said they were reported to child welfare agencies without being granted a second, confirmatory test, and that investigations were opened based solely off the hospital’s reporting.
    Anne Branigin, Washington Post, 2 July 2022
  • The accelerated-approval pathway is supposed to split the difference by making drugs available while confirmatory trials are pending.
    Gideon Lewis-Kraus, The New Yorker, 19 June 2023
  • That’s because the government has been reporting suspect cases without waiting for confirmatory tests.
    Helen Branswell, STAT, 8 June 2018
  • What’s more, the only two surveys conducted after Jan. 29 provided a certain amount of confirmatory evidence.
    Nate Cohn, New York Times, 2 Feb. 2016
  • An amendment to add a confirmatory referendum seems unlikely to succeed.
    The Economist, 26 Oct. 2019
  • So reporters expanded the investigation to other border towns and tourist destinations, using at-home testing strips followed by confirmatory lab tests to determine the pills’ contents.
    Tribune News Service, Hartford Courant, 1 Jan. 2024
  • Johnson’s critics would like to attach amendments to his plan, particularly a confirmatory referendum or keeping Britain in the EU customs territory.
    BostonGlobe.com, 22 Oct. 2019

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'confirmatory.' 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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