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Steroids Added to Dithranol and Narrow Band UVB(Ultraviolet B) (UVBnb) in Psoriasis

A Phase IV, Randomized, Double Blind, Placebo Controlled, Single-center Study of the Impact of Topical Steroids on Narrow Band UVB (Ultraviolet B) and Dithranol Combination Treatment of Psoriasis (DIPSO)

Status
Withdrawn
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01429870
Acronym
DIPSO
Enrollment
0
Registered
2011-09-07
Start date
2011-08-31
Completion date
2016-08-31
Last updated
2018-07-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Psoriasis

Brief summary

Objective(s): (i) To assess the effect of adjunctive topical steroids in the combined treatment with UVBnb and dithranol on the remission time after therapy till a relapse of psoriasis defined as 50% loss of PASI (Psoriasis Area and Severity Index) improvement obtained through the antecedent treatment. (ii) To assess the impact of adjuvant topical steroids in the combined treatment with UVBnb and dithranol on the clearing time of psoriasis lesions under therapy (PASI 75). * Trial with medicinal product

Detailed description

(i) To assess the effect of adjunctive topical steroids in the combined treatment with UVBnb and dithranol on the remission time after therapy till a relapse of psoriasis defined as 50% loss of PASI (Psoriasis Area and Severity Index) improvement obtained through the antecedent treatment. (ii) To assess the impact of adjuvant topical steroids in the combined treatment with UVBnb and dithranol on the clearing time of psoriasis lesions under therapy (PASI 75). * Trial with medicinal product

Interventions

DRUGSteroid active treatment

Triamcinolone in unguentum leniens 0.1%

Sponsors

University of Zurich
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Moderate to severe psoriasis of the chronic-plaque and / or guttata type

Exclusion criteria

* Participation in a Goeckerman therapy regimen within 6 months previous to the present study

Design outcomes

Primary

MeasureTime frameDescription
Relapse 50% PASI after treatment, time to PASI 75% on treatment2 yearsRelapse 50% PASI after treatment, time to PASI 75% on treatment

Countries

Switzerland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026