This is a multi-center, open-label extension (OLE) study in patients with plaque psoriasis who have completed their participation in a previous plaque psoriasis study of ESK-001.
This study will consist of patients who have completed their participation in a previous plaque psoriasis study of ESK-001. Each patient will be assigned to receive ESK-001 at one of two open-label dose levels. Patients have the option to remain on study until ESK-001 is commercially available.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
165
Oral tablet
To assess the safety and tolerability of long-term ESK-001 treatment
Incidence of treatment-emergent adverse events (TEAEs) and serious adverse events (SAEs)
Time frame: Approximately 3 years
To assess the long-term efficacy of ESK-001
Change from baseline in Psoriasis Area and Severity Index (PASI) over time
Time frame: Approximately 3 years
To assess the change in quality of life (QoL) with long-term ESK-001 administration
Change from baseline in Dermatology Life Quality Index (DLQI) over time
Time frame: Approximately 3 years
To assess the pharmacokinetics (PK) of ESK-001 (ctrough)
Plasma concentrations and PK parameters including steady-state trough observed plasma concentration (Ctrough) for ESK-001
Time frame: 2 years
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Investigator Site # 1029
Birmingham, Alabama, United States
Investigator Site #1001
Phoenix, Arizona, United States
Investigator Site # 1023
Rogers, Arkansas, United States
Investigator Site #1021
Encinitas, California, United States
Investigator Site #1018
Los Angeles, California, United States
Investigator Site #1007
Santa Monica, California, United States
Investigator Site #1002
Sherman Oaks, California, United States
Investigator site # 1030
Fort Lauderdale, Florida, United States
Investigator Site #1025
Hialeah, Florida, United States
Investigator site # 1028
Miami, Florida, United States
...and 28 more locations