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A Study of TAK-279 in Participants With Moderate-to-Severe Plaque Psoriasis

PHASE3RECRUITING

The main aim of this study is to check the side effects of TAK-279 and how well it is tolerated in participants with moderate-to-severe plaque psoriasis. All participants will be assigned to study treatments of TAK-279 and will be treated with TAK-279 if the participants meet the study rules. Participants will be in the study for up to 217 weeks, including up to 35 days for the screening period, 52 weeks (Part A) up to 156 additional weeks (Part B) study treatment and 4 weeks follow up period.

During the study, participants will visit their study clinic multiple times.

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Study details:

This study consists of 2 parts: Part A and Part B. Part A: Participants who did not participate in either parent study (TAK-279-3001 \[NCT06088043\] or TAK-279-3002 \[NCT06108544\]) may be enrolled and will be treated for up to 52 weeks. Participants who successfully complete Part A of the study are eligible to continue in Part B, but investigators must confirm their eligibility to continue in Part B.

Part B: Participants who complete the treatment period of TAK-279-3001 (NCT06088043) or TAK-279-3002 (NCT06108544) parent studies or who complete Part A are eligible to enroll directly into open label extension treatment in Part B and will be treated for up to 156 weeks.

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Eligibility criteria

Researchers look for people who fit a certain description, called eligibility criteria. See if you qualify.

Inclusion criteria

Participant is willing and able to understand and fully comply with study procedures and requirements (including digital tools and applications), in the opinion of the investigator.

Participant has provided written informed consent and any required privacy authorization before the initiation of any study procedures.

Participant is aged 18 years or older at the time of consent.

Participant has a diagnosis of chronic plaque psoriasis for >=6 months prior to the screening visit.

Participant has stable plaque psoriasis defined as no significant flare or change in morphology (as assessed by the investigator) in psoriasis for >=6 months before screening.

Participant has moderate-to-severe plaque psoriasis as defined by a PASI score >=12 and a sPGA score >=3 at screening and Day 1.

Participant has plaque psoriasis covering >=10% of his or her total BSA at screening and Day 1.

Participant must be a candidate for phototherapy or systemic therapy.

Participant has completed 52 weeks of treatment (TAK-279-3001 or Part A) or 60 weeks of treatment (TAK-279-3002) in their parent study or Part A.

Exclusion criteria

Participant has evidence of non-plaque psoriasis (erythrodermic, pustular, predominantly guttate psoriasis, predominantly inverse, or drug-induced psoriasis). If a participant meets criteria for inclusion based on typical plaque psoriasis presentation, a limited amount of inverse psoriasis is not exclusionary.

Participant requires systemic treatment, other than nonsteroidal anti-inflammatory drugs, during the trial period for an immune-related disease (e.g., inflammatory bowel disease).

Participant has any clinically significant medical condition, evidence of an unstable clinical condition (e.g., cardiovascular, renal, hepatic, hematologic, gastrointestinal, endocrine, pulmonary, or immunologic), or vital signs/physical/laboratory/ECG abnormality that would, in the opinion of the investigator, put the participant at undue risk or interfere with interpretation of study results. These include but are not limited to: Participant has a history of known or suspected condition/illness that is consistent with compromised immunity, including but not limited to any identified congenital or acquired immunodeficiency; splenectomy. Participant had a major surgery within 60 days prior to Day 1 or has a major surgery planned during the study. Participant has unstable, poorly controlled, or severe hypertension at screening, confirmed by 2 repeat assessments. Participant has a history of Class III or IV congestive heart failure as defined by New York Heart Association criteria. Participant has a history of cancer or lymphoproliferative disease, with the exception of successfully treated nonmetastatic cutaneous squamous cell or basal cell carcinoma and/or localized carcinoma in situ of the cervix. For participants with asthma, chronic obstructive pulmonary disease, or other pulmonary illnesses, participant has been hospitalized in the past 3 months, has ever required intubation for treatment, currently requires oral corticosteroids, or has required more than 1 course of oral corticosteroids within 6 months prior to Day 1. Participant has any of the following cardiovascular disease history: A new diagnosis of atrial fibrillation or an episode of atrial fibrillation with rapid ventricular response or other dysrhythmia, non-acute cardiac hospitalization (e.g., pacemaker implantation), pulmonary embolism, or deep venous thrombosis within the past 6 months prior to screening. Any history of cerebrovascular event, myocardial infarction, coronary stenting, or aortocoronary bypass surgery. If, however, the investigator determines there are no suitable treatment alternatives available for the participant and it has been at least 6 months since the occurrence of any such event, the participant may enroll. Participant has ECG abnormalities that are considered clinically significant and would pose an unacceptable risk to the participant if he or she participated in the study, in the opinion of the investigator. Participant has significant/uncontrolled psychiatric illness, in the opinion of the investigator. Participant has any lifetime history of suicidal ideation, suicidal behavior, or suicidal attempts by 1) medical history; or 2) by Columbia-Suicide Severity Rating Scale (C-SSRS) documentation at screening or by answering 'yes' to Question 5 for suicidal ideation on the C-SSRS at screening; or 3) is clinically deemed to have a suicide risk by the investigator. Participant has a patient health questionnaire - 8 (PHQ-8) score of 15 or above at screening. Participant has a history of clinically significant drug or alcohol abuse within 12 months prior to Day 1.

Participant has received any of the following biologics or biosimilar versions within the time frame indicated or 5 half-lives, whichever is longer: Antibodies to interleukin (IL) -12/-23, IL-17, or IL-23 (eg, ustekinumab, secukinumab, tildrakizumab, ixekizumab, or guselkumab) within 6 months prior to Day 1. Tumor necrosis factor inhibitor(s) (e.g., etanercept, adalimumab, infliximab, certolizumab) within 2 months prior to Day 1. Agents that modulate integrin pathways to impact lymphocyte trafficking (e.g., natalizumab) or agents that modulate B cells or T cells (e.g., alemtuzumab, abatacept, or visilizumab) within 3 months prior to Day 1. Rituximab or other immune cell-depleting therapy within 6 months prior to Day 1.

Participant has any previous exposure to TAK-279 (also known as NDI-034858) or other TYK2 inhibitors, including deucravacitinib, or participant participated in any study that included a TYK2 inhibitor (e.g., deucravacitinib, VTX958, GLPG3667, etc.), unless the participant has documentation of post-trial unblinding that confirms the partcipant did not receive a TYK2 inhibitor.

Participant has a known or suspected allergy to TAK-279 or any of its components.

Participant has completed the parent study or Part A but was permanently discontinued from treatment.

Participant had evidence of significant noncompliance with study visits or study drug in the parent study or Part A, as defined in the parent study protocol or in the opinion of the investigator.

Participant has met criteria for termination from the parent study or Part A, regardless of whether or not the participant was terminated from the parent study or Part A.

Participant has developed evidence of non-plaque psoriasis (erythrodermic, pustular, predominantly guttate psoriasis, predominantly inverse, or drug-induced psoriasis) since enrollment in the parent study or Part A.

Participant has developed a concomitant comorbid skin condition that, in the opinion of the investigator, would interfere with the study assessments.

Participant has received a prohibited psoriasis treatment during the parent study or Part A, whether or not that treatment was documented as a concomitant medication and is expected to continue that treatment.

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Eligibility

Age eligible for study : 18 and older

Healthy volunteers accepted : No

Gender eligible for study: All

Things to know

Study dates

Study start: 2024-09-04

Primary completion: 2026-05-07

Study completion finish: 2026-05-07

Study type

TREATMENT

Phase

PHASE3

Trial ID

NCT06550076

Intervention or treatment

DRUG: TAK-279

Conditions

• Plaque Psoriasis

Condition: Plaque Psoriasis
DRUG: TAK-279
Kogarah, New South Wales, Australia and more
Sponsor: Takeda

You may be eligible to participate in this trial based on your search. Check eligibility by answering some questions.

Are you running this trial? If you're a clinic or sponsor, you can claim this study. Claim or learn more.

Find a site

Closest Location:

St George Dermatology and Skin Cancer Center - Probity - Probity

Research sites nearby

Select from list below to view details:

St George Dermatology and Skin Cancer Center - Probity - Probity
Kogarah, New South Wales, Australia
The Skin Center - Probity
Benowa, Queensland, Australia
Skin Health Institute Inc - Probity - PPDS
Carlton, Victoria, Australia
Sinclair Dermatology-East Melbourne
East Melbourne, Victoria, Australia

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Participant Group/Arm	Intervention/Treatment
EXPERIMENTAL: Part A (De Novo Cohort) + Part B (Open Label Extension): TAK-279 Part A: Participants will receive TAK-279, oral tablet once daily (QD) for up to 52 weeks. Part B: Participants who completed the treatment period of parent studies (TAK-279-3001 \[NCT06088043\] or TAK-279-3002 \[NCT06108544\]) or who completed Part A will receive TAK-279, oral tablet QD for up to 156 weeks.	DRUG: TAK-279 TAK-279 oral tablet

What is the study measuring?

Primary outcome

Primary Outcome Measure	Primary Outcome Description	Primary Outcome Time Frame
Part A and Part B: Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Serious Adverse Events (SAE)	A TEAE is defined as an adverse event with an onset that occurs after receiving study drug. An SAE is any untoward medical occurrence that at any dose: results in death, life-threatening, requires inpatient hospitalization or prolongation of existing hospitalization, results in persistent, significant disability/incapacity, a congenital abnormality/birth defect, an important medical event in the opinion of the healthcare provider, may jeopardize the participant or may require intervention to prevent one of the other outcomes listed in the definition above. TEAEs consist of both serious and non-serious adverse events.	From start of the drug administration up to Week 56 (Part A) and Week 160 (Part B)

Secondary outcome

Secondary Outcome Measure	Secondary Outcome Description	Secondary Outcome Time Frame
Part A and B: Number of Participants Achieving 75% Improvement from Baseline in Psoriasis Area and Severity Index (PASI-75) Score	The PASI is a composite score based on the degree of effect on body surface area of psoriasis and extension of erythema (reddening), induration (thickness), desquamation (scaling) of the lesions and area affected as observed on the day of examination. The severity of each sign is assessed using a 5-point scale, where 0=no symptoms, 1=slight, 2=moderate, 3=marked, 4=very marked. The PASI score ranges from 0 to 72, where 0 indicates no psoriasis and 72 indicates very severe psoriasis. The PASI-75 is defined as 75% improvement from baseline in PASI score.	Baseline up to Week 52 (Part A) and Week 156 (Part B)
Part A and B: Number of Participants Achieving a Static Physician's Global Assessment (sPGA) of Clear (0) or Almost Clear (1) With a >=2-point Decrease from Baseline	The sPGA is an assessment by the investigator of the overall disease severity at the time of evaluation. Erythema (E), induration (I), and desquamation (D) are scored on a 5-point scale ranging from 0 (none) to 4 (severe). The sPGA composite score ranges from 0 to 4 and is calculated as Clear (0) = 0 for all three; Almost clear (1) = mean greater than (\>) 0, less than (\<) 1.5; Mild (2) = mean greater than or equal to (\>=) 1.5, \<2.5; Moderate (3) = mean \>=2.5, \<3.5; and Severe (4) = mean \>=3.5.	Baseline up to Week 52 (Part A) and Week 156 (Part B)

Frequently Asked Questions

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References

Clinical Trials Gov: A Study of TAK-279 in Participants With Moderate-to-Severe Plaque Psoriasis