NCT01585233

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

90
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Apr 2012

Geographic Reach
3 countries

13 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

April 24, 2012

Completed
1 day until next milestone

First Posted

Study publicly available on registry

April 25, 2012

Completed
5 days until next milestone

Study Start

First participant enrolled

April 30, 2012

Completed
2.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2014

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

January 7, 2015

Completed
Last Updated

November 17, 2025

Status Verified

November 1, 2025

Enrollment Period

2.2 years

First QC Date

April 24, 2012

Last Update Submit

November 14, 2025

Conditions

Keywords

Moderate PsoriasisSevere PsoriasisSkin diseaseASKP1240CD40 antigenAnti-CD40 monoclonal antibody

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

EXPERIMENTAL

ASKP1240 lowest dose

Drug: ASKP1240

Cohort 2

EXPERIMENTAL

ASKP1240 low dose

Drug: ASKP1240

Cohort 3

EXPERIMENTAL

ASKP1240 high dose

Drug: ASKP1240

Cohort 4

EXPERIMENTAL

ASKP1240 highest dose

Drug: ASKP1240

Placebo

PLACEBO COMPARATOR
Drug: Placebo

Interventions

Intravenous

Cohort 1Cohort 2Cohort 3Cohort 4

Intravenous

Placebo

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

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

Study Sites (13)

Specialist Connect

Brisbane, Queensland, 4102, Australia

Location

CMAX

Adelaide, Victoria, 5000, Australia

Location

Epworth Hospital

Richmond, Victoria, 3121, Australia

Location

Linear Research

Nedlands, Western Australia, 6009, Australia

Location

Durondel C.P. Inc, The Dermatology Clinic

Moncton, New Brunswick, E1C 8X3, Canada

Location

New Lab Clinical Research

St. John's, Newfoundland and Labrador, A1C 2H5, Canada

Location

Ultranova Skincare

Barrie, Ontario, L4M 6L2, Canada

Location

K. Papp Clinical Research

Waterloo, Ontario, N2J 1C4, Canada

Location

Innovaderm Research, Inc.

Montreal, Quebec, H2K 4L5, Canada

Location

Auckland Clinical Studies

Auckland, 1010, New Zealand

Location

Christchurch Clincial Studies Trust, Ltd.

Christchurch, 8011, New Zealand

Location

P3 Research, Tauranga

Tauranga, 3110, New Zealand

Location

P3 Research, Wellington

Wellington, 6021, New Zealand

Location

Related Links

MeSH Terms

Conditions

PsoriasisSkin Diseases

Interventions

bleselumab

Condition Hierarchy (Ancestors)

Skin Diseases, PapulosquamousSkin and Connective Tissue Diseases

Study Officials

  • Senior Medical Director

    Astellas Pharma Global Development

    STUDY DIRECTOR

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.

Locations