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Randomized, Double-Blind, Placebo and Active Comparator Controlled Phase 3 Study of Efficacy and Safety of ESK-001 for Moderate to Severe Plaque Psoriasis (ONWARD1)
EU CTIS ID: 2023-507193-40-00
What this study is testing
To determine whether efficacy of ESK-001 is superior to placebo at Week 16
- Therapeutic confirmatory (Phase III)
A plain-language read of the study's public EU CTIS listing. The study team confirms the details.
Who can take part
You may be able to join if
- Males or females, age ≥18 years
- Diagnosis of plaque psoriasis for ≥6 months prior to the Screening Visit
- Plaques covering ≥10% of BSA at Screening and Day 1
- PASI ≥12 at Screening and Day 1
- sPGA ≥3 at Screening and Day 1
- Women of childbearing potential (WOCBP) and males who are sexually active with WOCBP must agree to adhere to highly effective methods of contraception for the entirety of the study
You likely can't join if
- 1. Nonplaque psoriasis or other inflammatory skin conditions
- 10. History of serious bacterial, fungal, or viral infections that led to hospitalization, or any recent serious infection requiring antibiotic treatment
- 11. Any history of known or suspected congenital or acquired immunodeficiency state or condition that would compromise the patient’s immune status
- 12. Lab abnormalities indicating significant renal, hepatic or bone marrow dysfunction
- 13. History of any immune-mediated or inflammatory medical condition for which patient requires current systemic corticosteroids * Stable doses of inhaled corticosteroids for treatment of asthma are allowed
- 14. Known current malignancy or current evaluation for a potential malignancy or history of malignancy within the past 5 years prior to screening, except for adequately treated basal cell or squamous cell skin carcinoma or carcinoma in situ of the cervix
See the full eligibility criteria
Who can join
- Males or females, age ≥18 years
- Diagnosis of plaque psoriasis for ≥6 months prior to the Screening Visit
- Plaques covering ≥10% of BSA at Screening and Day 1
- PASI ≥12 at Screening and Day 1
- sPGA ≥3 at Screening and Day 1
- Women of childbearing potential (WOCBP) and males who are sexually active with WOCBP must agree to adhere to highly effective methods of contraception for the entirety of the study
What rules you out
- 1. Nonplaque psoriasis or other inflammatory skin conditions
- 10. History of serious bacterial, fungal, or viral infections that led to hospitalization, or any recent serious infection requiring antibiotic treatment
- 11. Any history of known or suspected congenital or acquired immunodeficiency state or condition that would compromise the patient’s immune status
- 12. Lab abnormalities indicating significant renal, hepatic or bone marrow dysfunction
- 13. History of any immune-mediated or inflammatory medical condition for which patient requires current systemic corticosteroids * Stable doses of inhaled corticosteroids for treatment of asthma are allowed
- 14. Known current malignancy or current evaluation for a potential malignancy or history of malignancy within the past 5 years prior to screening, except for adequately treated basal cell or squamous cell skin carcinoma or carcinoma in situ of the cervix
- 15. Live vaccines within 4 weeks prior to Study Day 1
- 16. Patient has planned surgery during the study period * Minor surgical procedures may be allowed
- 17. Any acute or chronic illness/condition or evidence of an unstable clinical condition that, in the opinion of the Investigator, will substantially increase the risk to the patient if he or she participates in the study
- 18. History of mental illness within the last 5 years, unless receiving a fixed regimen of psychiatric medications for at least 6 months before screening or has not required or been prescribed any psychiatric medication within 12 months before screening
- 19. Evidence of severe depressive symptoms or active suicidal ideation or behavior based on screening questionaires
- 2. immune-mediated conditions commonly associated with psoriasis (eg inflammatory bowel disease). Patients with psoriatic arthritis may participate
- 3. Pregnant, lactating, or planning to get pregnant during the study
- 4. Use of drugs prior to Study Day 1 that treat or may affect psoriasis: * Topical within 2 weeks * Phototherapy or any systemic treatments within 4 weeks * Any biologic agent targeted to IL-12 or IL-23 within 6 months, oral IL-12 or IL-23 or TNFα inhibitor within 2 months, or IL-17 within 4 months * Systemic immunosuppressants or immunomodulatory drugs within 4 weeks * Modulators of B cells within 6 months, or T cells within 3 months * JAK inhibitors or TYK2 inhibitors within 4 weeks * PDE4 inhibitor within 2 months * Any investigational agent, within 30 days or 5 half-lives or is currently enrolled in an investigational study
- 5. Lack of clinical response to a TYK2 (eg, deucravacitinib), IL-12, or IL-23 (eg, ustekinumab, risankizumab) targeted psoriasis treatment
- 6. Patients with QTcF >450 msec (males) or >470 msec (females) at Screening
- 7. Unstable cardiovascular disease, defined as a recent clinical deterioration or a cardiac hospitalization within the last 3 months * Patients requiring medications to treat underlying stable chronic cardiovascular disease should be on a stable dose for at least 4 weeks before Study Day 1
- 8. Evidence of recent or recurrent herpes zoster or herpes simplex viral infection
- 9. Evidence of active infection or positive test result for hepatitis B, hepatitis C, HIV or TB
The study team makes the final eligibility decision.
Where it's taking place
- Korea, Republic of
- Australia
- United States
- Canada
- Japan
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18-64 years, 65+ years. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include Korea, Republic of; Australia; United States; Canada; Japan. Enter your location above to see the nearest site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.