Reducing dupilumab doses for patients with controlled atopic eczema

DUPI REDUCE Trial (DUPIlumab Dose REDUCtion in Patients With Controlled Atopic Eczema): a Multicenter, Low-intervention, Non-inferiority Randomized Controlled Trial, Embedded in the TREAT NL Registry

Phase 4 Interventional Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) · NCT06004986

This study is testing if giving dupilumab injections less often can still help people with well-controlled atopic eczema feel good while saving money and reducing side effects.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment216 (estimated)
Ages18 Years and up
SexAll
SponsorAcademisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) Academic / other
Drugs / interventionsdupilumab
Locations2 sites (Amsterdam, North Holland and 1 other locations)
Trial IDNCT06004986 on ClinicalTrials.gov

What this trial studies

This randomized controlled trial aims to evaluate the effectiveness and safety of extending the intervals between dupilumab doses in patients with well-controlled atopic eczema. Participants will be randomly assigned to receive dupilumab 300 mg every 2, 3, or 4 weeks. The study will assess physician- and patient-reported disease severity, quality of life, and dupilumab serum trough levels over a 24-week period. The goal is to determine if a lower dosing frequency can maintain treatment efficacy while reducing costs and potential side effects.

Who should consider this trial

Good fit: Ideal candidates are adults with a diagnosis of atopic eczema who are currently receiving dupilumab and have controlled disease.

Not a fit: Patients who are not currently on dupilumab or those with uncontrolled atopic eczema may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could lower treatment costs and minimize adverse effects for patients with atopic eczema.

How similar studies have performed: Previous studies have suggested that extending dosing intervals for biologic therapies can be effective, indicating potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* The subject is an adult,
* Has a diagnosis of AE,
* Receives dupilumab 300 mg q2w for the treatment of AE,
* Has controlled disease according to the Treat-to-Target criteria,
* Agrees to the possibility that the dosage of dupilumab will be lowered,
* Has voluntarily signed and dated an informed consent prior to any study related procedure.

Exclusion Criteria:

* The subjects uses or initiates another systemic immunomodulating therapy for AE or another diagnosis.

Where this trial is running

Amsterdam, North Holland and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Atopic DermatitisAtopic Dermatitis EczemaDupilumab
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.