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An Exploratory Trial Investigating the Neurogenic Component in Psoriasis Vulgaris by Use of Botulinum Toxin A

An Exploratory Psoriasis Plaque Test Trial Investigating the Neurogenic Component in Psoriasis Vulgaris by Use of Botulinum Toxin A as Tool Compound

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02577185
Enrollment
10
Registered
2015-10-16
Start date
2015-11-30
Completion date
2016-07-31
Last updated
2025-02-24

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

Conditions

Psoriasis Vulgaris

Brief summary

The purpose of this study is to evaluate the anti-psoriatic effect of injected Botulinum toxin type A compared to that of injected vehicle.

Interventions

DRUGBotulinum Toxin Type A

Sponsors

LEO Pharma
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
SINGLE (Investigator)

Eligibility

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

Inclusion criteria

* Age 18 years or above * A diagnosis of psoriasis vulgaris with lesions located on arms and/or legs and/or trunk * Chronic stable psoriasis vulgaris diagnosed more than 6 months prior to screening. * Women must use a reliable contraceptive during the trial.

Exclusion criteria

* Pregnant or breast feeding women, or women planning to become pregnant. * Skin infection at injection sites * Use of biological therapies or small molecules (marketed or not marketed) with a possible effect on psoriasis vulgaris * Use of systemic treatments with a potential effect on psoriasis vulgaris * Exposure to phototherapy within 4 weeks for PUVA and 2 weeks for UVB prior to Randomisation * Use of potent or very potent (WHO group III-IV) corticosteroids for topical treatment of psoriasis within a 4 week period prior to randomisation * Use of muscle relaxants * History of dysphagia or aspiration * Current diagnosis of guttate, erythrodermic, exfoliative or pustular psoriasis

Design outcomes

Primary

MeasureTime frame
Absolute change in Total Clinical Score (TCS) of clinical signs at 8 weeks after injection compared to baseline8 weeks

Secondary

MeasureTime frame
Absolute change in clinical score erythema at week 3 compared to baseline3 weeks
Absolute change in clinical score erythema at week 4 compared to baseline4 weeks
Absolute change in clinical score erythema at week 8 compared to baseline8 weeks
Absolute change in clinical score scaling at week 1 compared to baseline1 week
Absolute change in clinical score scaling at week 3 compared to baseline3 weeks
Absolute change in clinical score scaling at week 4 compared to baseline4 weeks
Absolute change in clinical score scaling at week 8 compared to baseline8 weeks
Absolute change in clinical score infiltration at week 1 compared to baseline1 week
Absolute change in clinical score infiltration at week 3 compared to baseline3 weeks
Absolute change in clinical score erythema at week 1 compared to baseline1 week
Absolute change in clinical score infiltration at week 8 compared to baseline8 weeks
Absolute change in TCS at week 1 compared to baseline1 week
Absolute change in TCS at week 3 compared to baseline3 weeks
Absolute change in TCS at week 4 compared to baseline4 weeks
Incidence of treatment emergent adverse events10 weeks
Incidende of adverse events on the treated test sites10 weeks
Incidence of adverse events leading to withdrawal from trial8 weeks
Change in blood pressure from baseline to week 88 weeks
Change in heart rate from baseline to week 88 weeks
Absolute change in clinical score infiltration at week 4 compared to baseline4 weeks

Countries

Denmark

Outcome results

None listed

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