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Phase 2 Clinical Study in Psoriasis With Oral Investigational Drug VX-765

A Randomized, Double-Blind, Placebo-Controlled, Safety and Tolerability Study of VX-765 in Subjects With Chronic Plaque Psoriasis Requiring Systemic Therapy

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00205465
Enrollment
64
Registered
2005-09-20
Start date
2004-12-31
Completion date
2005-09-30
Last updated
2007-12-05

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

Conditions

Psoriasis

Brief summary

To evaluate the safety and tolerability of VX-765 in subjects with chronic plaque psoriasis treated for 28 days.

Interventions

DRUGVX-765

Sponsors

Vertex Pharmaceuticals Incorporated
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years

Inclusion criteria

* Diagnosed with chronic plaque psoriasis for at least 6 months * Prior systemic therapy

Exclusion criteria

* Current or prior history of illness precluding use of immunomodulatory therapy.

Design outcomes

Primary

MeasureTime frame
Incidence of adverse events
Abnormal laboratory values
Abnormal ECGs and vital signs

Secondary

MeasureTime frame
Proportion of subjects demonstrating ≥ 50% and ≥ 75% decrease from baseline in Psoriasis Area and Severity Index (PASI) to the end of 28 days of treatment
PK/PD
Change in PASI from baseline to the end of 28 days of treatment
Target lesion score after 28 days of treatment
Proportion of subjects meeting clear or almost clear criteria utilizing a static Physician's Global Assessment (sPGA)

Outcome results

None listed

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