A Multiple Dose Escalation Study of ASKP1240 in Subjects With Moderate to Severe Plaque Psoriasis
A Phase 2a, Randomized, Double-Blind, Placebo-Controlled, Sequential, Multiple Dose Escalation Study to Evaluate the Safety, Efficacy, Pharmacokinetics and Pharmacodynamics of ASKP1240 in Subjects With Moderate to Severe Plaque Psoriasis
1 other identifier
interventional
60
3 countries
13
Brief Summary
The purpose of this study is to explore the safety and tolerability of multiple doses of ASKP1240 compared to placebo and determine Pharmacokinetics and Pharmacodynamics in subjects with moderate to severe psoriasis.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Apr 2012
13 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
April 24, 2012
CompletedFirst Posted
Study publicly available on registry
April 25, 2012
CompletedStudy Start
First participant enrolled
April 30, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 30, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
January 7, 2015
CompletedNovember 17, 2025
November 1, 2025
2.2 years
April 24, 2012
November 14, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (4)
Pharmacokinetics of ASKP1240: Area under the curve 0-336 (AUC336 )
Day 1 to Day 113 (12 visits)
Pharmacokinetics of ASKP1240: Maximum Concentration (Cmax)
Day 1 to Day 113 (12 visits)
Pharmacodynamic variable: CD40 receptor occupancy on peripheral blood B cells
Day 1 to Day 113 (12 visits)
Characterize safety profile of ASKP1240 through adverse event reporting, vital signs, clinical laboratory evaluations, physical examinations and 12-lead electrocardiograms (ECGs)
113 Days
Secondary Outcomes (7)
Mean change from baseline to 8 weeks in Psoriasis Area Severity Index (PASI) score
Baseline and 8 weeks
Mean change from baseline to 8 weeks in Physicians Static Global Assessment (PSGA) score
Baseline and 8 weeks
Proportion of Subjects Achieving Treatment Success
8 weeks
Mean change from baseline to 8 weeks in % Body Surface Area (BSA)
Baseline and 8 weeks
Cytokine Concentration
Day 1 to Day 113 (9 visits)
- +2 more secondary outcomes
Study Arms (5)
Cohort 1
EXPERIMENTALASKP1240 lowest dose
Cohort 2
EXPERIMENTALASKP1240 low dose
Cohort 3
EXPERIMENTALASKP1240 high dose
Cohort 4
EXPERIMENTALASKP1240 highest dose
Placebo
PLACEBO COMPARATORInterventions
Eligibility Criteria
You may qualify if:
- Subject has a clinical diagnosis of moderate to severe plaque psoriasis for 6 months or longer with at least 5% or greater Body Surface Area (BSA) affected with plaque psoriasis
- Subject must be a candidate for phototherapy and/or systemic therapy
- Subject must agree to avoid prolonged exposure to the sun and avoid the use of tanning booths or other ultraviolet light sources during the study
- Female subject must be either:
- post-menopausal (defined as at least 1 year without any menses) prior to Screening, or
- premenarchal prior to Screening, or
- documented surgically sterile or status post hysterectomy (at least 1 month prior to Screening), or
- if of childbearing potential, must have a negative serum pregnancy test at Screening and if sexually active must be using highly effective contraception. All sexually active subjects will be required to use highly effective contraception consisting of two forms of birth control (one of which must be a barrier method) starting at Screening and throughout the study period and for 28 days \[or 5 five half lives of the study drug whichever is longer\] after final study drug administration.
- Female subject must not be lactating and must not be breastfeeding at Screening or during the study period and for 28 days \[or 5 five half lives of the study drug whichever is longer\] after final study drug administration.
- Female subject must not donate ova starting at Screening and throughout the study period and for 28 days \[or 5 five half lives of the study drug whichever is longer\] after final study drug administration.
- Male subject and their female spouse/partners who are sexually active must be using highly effective contraception1 consisting of two forms of birth control (one of which must be a barrier method) starting at Screening and continue throughout the study period and for 28 days \[or 5 five half lives of the study drug whichever is longer\] after final study drug administration.
- Male subject must not donate sperm starting at Screening and throughout the study period and for at least 28 days \[or 5 five half lives of the study drug whichever is longer\] after final study drug administration.
- Highly effective contraception is defined as:
- Established use of oral, injected or implanted hormonal methods of contraception.
- Placement of an intrauterine device (IUD) or intrauterine system (IUS)
- +2 more criteria
You may not qualify if:
- Subject has non-plaque psoriasis (such as guttate, erythrodermic or pustular psoriasis)
- Subject has received treatment with systemic, non-biologic psoriasis therapy or other systemic immunosuppressant including investigational use of an approved agent within the last 30 days or 5 half-lives, whichever is longer, prior to the first dose of study drug
- Subject has ever been treated with efalizumab (Raptiva®)
- Subject has a total B lymphocyte count by flow cytometric determination that is less than the lower limit of normal
- Subject has a hemoglobin, that are below the lower limit
- Subject has a total white count, total lymphocyte count, total neutrophil count or total platelet that are below the lower limit
- Subject has any of the following lab values:
- ALT ≥ 1.5 x upper limit of normal
- AST ≥ 1.5 x upper limit of normal
- Total bilirubin ≥ 1.5 x upper limit of normal
- Subject has previously received ASKP1240 or has participated in a study involving ASKP1240
- Subject has \> 45 body mass index (BMI)
- Subject with a positive Tubercle Bacillus (TB) test who has not previously received adequate antimicrobial therapy for TB or is currently on, or is planned to start TB antimicrobial therapy
- Subject has abnormal chest x-ray indicative of acute or chronic lung disease
- Subject has uncontrolled intercurrent illness, including, but not limited to ongoing or active infection, any clinically significant cardiac disease seizure disorder, or psychiatric illness/social situations that would limit compliance with study requirements
- +6 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Astellas Pharma Global Development, Inc.lead
- Kyowa Kirin Co., Ltd.collaborator
Study Sites (13)
Specialist Connect
Brisbane, Queensland, 4102, Australia
CMAX
Adelaide, Victoria, 5000, Australia
Epworth Hospital
Richmond, Victoria, 3121, Australia
Linear Research
Nedlands, Western Australia, 6009, Australia
Durondel C.P. Inc, The Dermatology Clinic
Moncton, New Brunswick, E1C 8X3, Canada
New Lab Clinical Research
St. John's, Newfoundland and Labrador, A1C 2H5, Canada
Ultranova Skincare
Barrie, Ontario, L4M 6L2, Canada
K. Papp Clinical Research
Waterloo, Ontario, N2J 1C4, Canada
Innovaderm Research, Inc.
Montreal, Quebec, H2K 4L5, Canada
Auckland Clinical Studies
Auckland, 1010, New Zealand
Christchurch Clincial Studies Trust, Ltd.
Christchurch, 8011, New Zealand
P3 Research, Tauranga
Tauranga, 3110, New Zealand
P3 Research, Wellington
Wellington, 6021, New Zealand
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Senior Medical Director
Astellas Pharma Global Development
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 24, 2012
First Posted
April 25, 2012
Study Start
April 30, 2012
Primary Completion
June 30, 2014
Study Completion
January 7, 2015
Last Updated
November 17, 2025
Record last verified: 2025-11
Data Sharing
- IPD Sharing
- Will not share
Access to anonymized individual participant level data will not be provided for this trial. Further details on Astellas' data sharing policy can be found at https://www.clinicaltrials.astellas.com/transparency.