Drug Classes Archives - Insights

Weeding Through the Information: Interpreting Laboratory Tests to Determine New vs. Residual Use of Marijuana

MCL Education — Mon, 23 Jun 2025 12:00:00 +0000

Reviewing the challenges healthcare providers face in distinguishing between new and residual marijuana use in patients.

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Testing Aids Nicotine-Use Cessation: Paul Jannetto, Ph.D.

Barbara J. Toman — Tue, 12 Mar 2024 13:00:00 +0000

Tobacco use is the leading cause of preventable death in the United States. In this test-specific episode of the "Answers From the Lab" podcast, Paul Jannetto, Ph.D., explains how Mayo Clinic Laboratories' nicotine testing benefits patients in smoking cessation programs and other settings.

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High-Resolution Targeted Benzodiazepine Screen

MCL Education — Mon, 10 Jul 2023 10:00:00 +0000

In this “Hot Topic,” Paul Jannetto, Ph.D., highlights Mayo Clinic’s targeted benzodiazepine assay and discusses the advantages and limitations of various urine-screening assays as well as quantitative confirmatory testing to determine compliance to benzodiazepine therapy.

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Accurately characterize marijuana use through urine THC testing

Robin Huiras-Carlson — Tue, 14 Feb 2023 14:00:00 +0000

Paul Jannetto, Ph.D., and Loralie Langman, Ph.D., discuss Mayo Clinic Laboratories’ new marijuana monitoring evaluation, which identifies metabolites of both delta-9 tetrahydrocannabinol (THC) and delta-8 THC to accurately identify and characterize patients’ marijuana use.

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The ABCs of CBD

MCL Education — Fri, 04 Nov 2022 10:00:00 +0000

In this episode of “Lab Medicine Rounds,” Justin Kreuter, M.D., sits down with Paul Jannetto, Ph.D., associate professor of laboratory medicine and pathology at Mayo Clinic, and discusses how CBD can affect your health, what the medical benefits are, and its impact on urine drugs of abuse testing.

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Direct Ethanol Biomarker Testing: PETH

Barbara J. Toman — Tue, 13 Sep 2022 13:00:00 +0000

Paul Jannetto, Ph.D., describes Mayo Clinic Laboratories' new direct biomarker test for alcohol consumption. PETH is a blood test with a window of detection of about two to four weeks — compared with five days for urine-based screening for alcohol use.

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New High-Resolution Targeted Opioid Screen: Superior Sensitivity and Specificity to Evaluate Adherence to Prescribed Opioid Therapy

MCL Education — Mon, 13 Jul 2020 12:45:00 +0000

In this month’s “Hot Topic,” Paul Jannetto, Ph.D., discusses the high-resolution targeted opioid screening test from Mayo Clinic Laboratories, which offers sensitivity and specificity for use in the monitoring and management of patients who are prescribed opioid pain-relieving medication.

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