Psoriasis breakthrough: lower drug doses may work just as well

NCT ID NCT04340076

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether psoriasis patients who are stable on biologic drugs (IL17 or IL23 inhibitors) can safely reduce their dose without their skin condition getting worse. Researchers enrolled 244 adults with plaque psoriasis who had been on a normal dose for at least 6 months. Participants were randomly assigned to either continue their usual dose or gradually lower it. The goal was to see if dose reduction is as effective as standard care in preventing persistent flares.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

IL17 and IL23 inhibitors (Secukinumab, Ixekizumab, Brodalumab, Guselkumab)

What this could lead to

If successful, this could show that many psoriasis patients can safely lower their biologic dose without flare-ups, reducing side effects and costs.

What could go wrong

This is a completed Phase 4 study with 244 participants, so results are available but may not apply to all patients. Dose reduction might not work for everyone and could lead to disease flares.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

psoriasis Skin Diseases, Papulosquamous skin disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • AZ Maria Middelares

    Ghent, Belgium

  • AZ St Lucas

    Ghent, Belgium

  • Amphia Hospital

    Breda, Netherlands

  • Bravis hospital

    Bergen op Zoom, Netherlands

  • CHU Liege

    Liège, Belgium

  • Catharina hospital

    Eindhoven, Netherlands

  • Dermatologie Maldegem

    Maldegem, Belgium

  • Erasmus MC

    Rotterdam, Netherlands

  • Ghent University Hospital

    Ghent, 9000, Belgium

  • Maastricht UMC

    Maastricht, Netherlands

  • Máxima Medisch Centrum

    Veldhoven, Netherlands

  • Radboudumc

    Nijmegen, 6500HB, Netherlands

  • Slingeland hospital

    Doetinchem, Netherlands

  • UCL Saint Luc

    Leuven, Belgium

  • ULB Erasme

    Brussels, Belgium

  • UMC Groningen

    Groningen, Netherlands

  • UMC Utrecht

    Utrecht, Netherlands

  • UZ Leuven

    Leuven, Belgium

  • Ziekenhuisgroep Twente

    Almelo, Netherlands