New drug shows promise for psoriatic arthritis in major trial
NCT ID NCT04314531
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This phase 3 study tests whether tildrakizumab, an injected drug, can reduce joint pain and swelling in people with active psoriatic arthritis who have not used anti-TNF treatments before. About 296 adults will receive either the drug or a placebo. The main goal is to see if at least 20% improvement in symptoms is achieved.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- tildrakizumab
- What this could lead to
- If successful, tildrakizumab could offer a new treatment option for people with active psoriatic arthritis who haven't tried anti-TNF therapies.
- What could go wrong
- This is a late-stage trial, but results may not apply to everyone. Some participants may not respond, and side effects are possible, as with any drug.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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296 people
The number who actually took part.
- Started
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Jul 2020
- Expected to finish
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Apr 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Subject has provided written informed consent. 2. Subject is ≥ 18 years of age at time of Screening. 3. Subject has a diagnosis of active PsA for at least 6 months before the first administration of the study agent and has active PsA at Screening or Baseline. 4. Rheumatoid factor (RF) and anti-cyclic citrullinated peptide antibodies (anti-CCP Ab) negative. 5. Subjects must have no prior exposure to anti-tumor necrosis factor (anti-TNF) agent(s) use for the treatment of PsO or PsA. Exclusion Criteria: 1. The subject has a planned surgical intervention between Baseline and the Week 52 evaluation for a pretreatment condition. 2. Subject has an active infection or history of infections as follows: * any active infection for which systemic anti-infectives were used within 28 days prior to first IMP dose, with the last dose having been received within 7 days of Screening, * a serious infection, defined as requiring hospitalization or intravenous (IV) anti-infectives within 8 weeks prior to the first IMP dose, with the last dose having been received within 7 days of Screening, * recurrent or chronic infections, e.g., chronic pyelonephritis, chronic osteomyelitis, bronchiectasis, or other active infection that, in the opinion of the Investigator, might cause this study to be detrimental to the subject. 3. Subject has any concurrent medical condition or uncontrolled, clinically significant systemic disease (e.g., renal failure, heart failure, hypertension, liver disease, diabetes, or anemia) that, in the opinion of the Investigator, could cause this study to be detrimental to the subject. 4. Subject has a known history of infection with hepatitis B, hepatitis C, or human immunodeficiency virus. 5. Subject had myocardial infarction, unstable angina pectoris, or ischemic stroke within the past 6 months prior to the first IMP dose. 6. Subject has any active malignancy, including evidence of cutaneous basal or squamous cell carcinoma or melanoma. 7. Subjects with a history of alcohol or drug abuse in the previous 2 years. 8. Female subjects of childbearing potential who do not agree to abstain from heterosexual activity or practice a dual method of contraception, for example, a combination of the following: (1) oral contraceptive, depo progesterone, or intrauterine device; and (2) a barrier method (condom or diaphragm). Male subjects with female partners of childbearing potential who are not using birth control as described above must use a barrier method of contraception (e.g., condom) if not surgically sterile (i.e., vasectomy). Contraceptive methods must be practiced upon signing the Informed Consent and through 24 weeks after the last dose of IMP. If a subject discontinues prematurely, the contraceptive method must be practiced for 17 weeks following final administration of IMP. A follicle-stimulating hormone (FSH) test should be performed to confirm menopause (per reference values of the laboratory) for those women with no menses for less than 1 year. 9. Subject currently enrolled in another investigational device/procedure or drug study, or Baseline of this study is less than 30 days or 5 half-lives (whichever is longer) since ending another investigational device/procedure or drug study(s), or receiving other investigational agent(s). 10. Subject previously has been enrolled (randomized) in this study. 11. Subject has any kind of disorder that, in the opinion of the Investigator, may compromise the ability of the subject to give written informed consent and/or to comply with all required study procedures. 12. Donation or loss of 400 milliliter (mL) or more of blood within 8 weeks before first dose of IMP. 13. Subjects who have been placed in an institution on official or judicial orders. 14. Subjects who are related to or dependent on the Investigator, Sponsor, or study site such that a conflict of interest could arise.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Sunpharma Site 100
Madrid, 28046, Spain
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Sunpharma Site 106
Lucknow, Uttar Pradesh, 226003, India
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Sunpharma Site 107
Belagavi, Karnataka, 590016, India
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Sunpharma Site 108
Pune, Maharashtra, 411004, India
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Sunpharma Site 109
Hubli, Karnataka, 580021, India
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Sunpharma Site 110
Bangalore, Karnataka, 560079, India
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Sunpharma Site 111
Surat, Gujarat, 395010, India
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Sunpharma Site 112
Hyderabad, Telangana, 500003, India
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Sunpharma Site 113
Kochi, 682040, India
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Sunpharma Site 18
Incheon, 22332, South Korea
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Sunpharma Site 19
Seoul, 4763, South Korea
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Sunpharma Site 20
Seoul, 3080, South Korea
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Sunpharma Site 22
Kitakyushu-shi, 802-8561, Japan
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Sunpharma Site 23
Tsu, 514-8507, Japan
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Sunpharma Site 24
Miyazaki, Miyazaki, 889-1692, Japan
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Sunpharma Site 39
Phillip, Australian Capital Territory, 2606, Australia
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Sunpharma Site 63
Zlín, 760 01, Czechia
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Sunpharma Site 64
Brno, 638 00, Czechia
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Sunpharma Site 71
Córdoba, 14004, Spain
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Sunpharma Site 72
Seville, 41013, Spain
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Sunpharma Site 73
Berlin, 12161, Germany
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Sunpharma Site 74
Poznan, 61-113, Poland
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Sunpharma Site 75
A Coruña, 15006, Spain
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Sunpharma Site 84
Nagoya, Aichi-ken, 467-0001, Japan
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Sunpharma Site 85
Shinjuku, Tokyo, 160-0023, Japan
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Sunpharma Site 86
Sendai, Miyagi, 980-8574, Japan
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Sunpharma Site 87
Osaka, 545-0051, Japan
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Sunpharma Site 88
Kumamoto, 860-8556, Japan
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Sunpharma Site 89
Kitakyushu, Fukuoka, 802-8561, Japan
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Sunpharma Site 90
tabashi City, Tokyo, 173-8606, Japan
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Sunpharma Site 91
Mitaka, Tokyo, 181-8611, Japan
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Sunpharma Site 92
Herne, 44649, Germany
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Sunpharma Site 93
Bialystok, 15-351, Poland
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Sunpharma Site 94
Lublin, 20-607, Poland
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Sunpharma Site 95
Bialystok, 15-879, Poland
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Sunpharma Site 96
Warsaw, 02-118, Poland
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Sunpharma Site 97
Prague, 12800, Czechia
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Sunpharma site no. 01
Tomball, Texas, 77375, United States
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Sunpharma site no. 02
New Port Richey, Florida, 34652, United States
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Sunpharma site no. 03
San Antonio, Texas, 78229, United States
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Sunpharma site no. 04
Miami Beach, Florida, 33140, United States
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Sunpharma site no. 05
Springfield, Missouri, 65810, United States
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Sunpharma site no. 06
Spokane, Washington, 99204, United States
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Sunpharma site no. 07
Tamarac, Florida, 33321, United States
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Sunpharma site no. 08
Hobart, Tasmania, 7000, Australia
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Sunpharma site no. 09
Lubbock, Texas, 79410, United States
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Sunpharma site no. 10
Lincoln, Nebraska, 68516, United States
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Sunpharma site no. 11
Greenville, South Carolina, 29601, United States
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Sunpharma site no. 12
Covina, California, 91722, United States
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