4,4′-DMAR in-vivo acute cardiotoxicity: differences between (±)cis-4,4′-DMAR and its coadministration with the (±)trans-4,4′-DMAR isomer - Scorecard - MDSpire

4,4′-DMAR in-vivo acute cardiotoxicity: differences between (±)cis-4,4′-DMAR and its coadministration with the (±)trans-4,4′-DMAR isomer

  • By

  • Giorgia Corli

  • Elisa Roda

  • Beatrice Marchetti

  • Micaela Tirri

  • Sabrine Bilel

  • Marta Bassi

  • Beatrice Benedetti

  • Elena Cavarretta

  • Giacomo Frati

  • Fabrizio De Luca

  • Carlo Alessandro Locatelli

  • Fabio De-Giorgio

  • Matteo Marti

  • June 16, 2026

  • 0 min

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Clinical Scorecard: Acute Cardiotoxic Effects of 4,4′-DMAR in Vivo: Comparative Analysis of (±)cis-4,4′-DMAR and Its Co-Administration with (±)trans-4,4′-DMAR Isomer

At a Glance

CategoryDetail
ConditionCardiotoxicity and systemic effects due to 4,4′-DMAR
Key Mechanisms
Target Population
Care Setting

Key Highlights

  • 4,4′-DMAR induces severe cardiorespiratory toxicity.
  • Tachycardia and increased QT interval observed with higher doses.
  • Coadministration of (±)cis-4,4′-DMAR and (±)trans-4,4′-DMAR exacerbates toxic effects.
  • Significant alterations in inflammation and oxidative stress markers in cardiomyocytes.
  • Limited clinical investigations on cardiorespiratory toxicity of 4,4′-DMAR.
  • Need for further research on long-term effects of 4,4'-DMAR.

Guideline-Based Recommendations

Diagnosis

    Management

    • Provide supportive care for tachycardia and respiratory impairments.
    • Consider advanced interventions for suspected overdose cases.

    Monitoring & Follow-up

      Risks

        Patient & Prescribing Data

        Caution advised with dosing and coadministration of stereoisomers; monitor for adverse interactions.

        Clinical Best Practices

        • Assess for signs of intoxication in patients presenting with tachycardia and respiratory distress.
        • Educate patients on the risks associated with synthetic stimulants.
        • Implement follow-up care strategies for patients post-intoxication.

        Related Resources & Content

        Original Source(s)

        4,4′-DMAR in-vivo acute cardiotoxicity: differences between (±)cis-4,4′-DMAR and its coadministration with the (±)trans-4,4′-DMAR isomer

        • by Giorgia Corli, Elisa Roda, Beatrice Marchetti, Micaela Tirri, Sabrine Bilel, Marta Bassi, Beatrice Benedetti, Elena Cavarretta, Giacomo Frati, Fabrizio De Luca, Carlo Alessandro Locatelli, Fabio De-Giorgio, Matteo Marti

        • June 16, 2026

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