New biologic injection shows promise for psoriatic arthritis in phase 3 trial
NCT ID NCT04314544
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This phase 3 trial tested a single injection of tildrakizumab against placebo in 508 adults with active psoriatic arthritis who had previously used anti-TNF drugs. The main goal was to see if more people achieved at least a 20% improvement in joint symptoms. The study is now complete, and results may support tildrakizumab as a treatment option for this condition.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- tildrakizumab (a biologic drug given as a single injection)
- What this could lead to
- If successful, this could provide a new treatment option for people with active psoriatic arthritis who have not responded well to other therapies.
- What could go wrong
- This is a single-dose study, so long-term effects and durability are unknown. The trial is also limited to patients who have already tried anti-TNF drugs, so results may not apply to everyone.
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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508 people
The number who actually took part.
- Started
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Jul 2020
- Finished
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Dec 2025
- 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. RF and anti-CCP Ab negative. 4. Subjects must have prior exposure to anti-TNF agent(s) use for the treatment of PsO or PsA. Exclusion Criteria: 1. Subject has a planned surgical intervention between Baseline and the Week 24 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 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 a known history of infection with hepatitis B, hepatitis C, or human immunodeficiency virus. 4. Subject had myocardial infarction, unstable angina pectoris, or ischemic stroke within the past 6 months prior to the first IMP dose. 5. Subject has any active malignancy, including evidence of cutaneous basal or squamous cell carcinoma or melanoma. 6. Subject has a history of malignancy within 5 years from the time of Screening EXCEPT treated and considered cured cutaneous basal or squamous cell carcinoma, in situ cervical carcinoma, OR in situ breast ductal carcinoma. 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 entering the study and through 17 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 FSH test should be performed to confirm menopause 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 mL or more of blood within 8 weeks before dosing. 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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Sun pharma site 99
Brno, 63800, Czechia
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SunPharma Site No 23
Córdoba, 14004, Spain
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SunPharma Site no 22
Tamarac, Florida, 33321, United States
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Sunpharma Site no 26
Stafford, Texas, 77477, United States
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Sunpharma Site no 27
Lincoln, Nebraska, 68516, United States
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Sunpharma Site no 28
Lubbock, Texas, 79410, United States
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Sunpharma Site no 29
Gilbert, Arizona, 85297, United States
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Sunpharma Site no 30
Glendale, Arizona, 85306, United States
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Sunpharma Site no 31
Mesa, Arizona, 85210, United States
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Sunpharma Site no 33
Minot, North Dakota, 58701, United States
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Sunpharma Site no 34
Greenville, South Carolina, 29601, United States
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Sunpharma Site no 35
Covina, California, 91722, United States
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Sunpharma Site no 37
Skokie, Illinois, 60076, United States
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Sunpharma Site no 38
Schaumburg, Illinois, 60185, United States
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Sunpharma Site no 41
Oak Brook, Illinois, 60523, United States
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Sunpharma Site no 42
Dothan, Alabama, 36305, United States
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Sunpharma Site no 44
Voorhees Township, New Jersey, 08043, United States
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Sunpharma Site no 46
Gainesville, Georgia, 30501, United States
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Sunpharma Site no 48
Encino, California, 91436, United States
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Sunpharma Site no 49
Colleyville, Texas, 76034, United States
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Sunpharma Site no 50
Austin, Texas, 78745, United States
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Sunpharma Site no 52
Charlotte, North Carolina, 28204, United States
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Sunpharma Site no 53
Kalispell, Montana, 59901, United States
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Sunpharma Site no 54
Orland Park, Illinois, 60467, United States
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Sunpharma Site no 55
Kissimmee, Florida, 34741, United States
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Sunpharma Site no 56
Wilmington, North Carolina, 28401, United States
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Sunpharma Site no 58
A Coruña, 15006, Spain
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Sunpharma Site no 59
Valencia, 46010, Spain
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Sunpharma Site no 60
Tainan, 710, Taiwan
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Sunpharma Site no 62
Kaohsiung City, 833, Taiwan
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Sunpharma Site no 63
Jianguo, Taichung, 402, Taiwan
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Sunpharma Site no 64
Taipei, 112, Taiwan
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Sunpharma Site no 65
Taipei, Pai-Tou, 112, Taiwan
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Sunpharma Site no 70
Seoul, 4763, South Korea
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Sunpharma Site no 71
Seoul, 3080, South Korea
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Sunpharma Site no. 100
Prague, 12800, Czechia
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Sunpharma Site no. 101
Prague, 14000, Czechia
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Sunpharma Site no. 103
Herne, 44649, Germany
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Sunpharma Site no. 104
Milan, 20089, Italy
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Sunpharma Site no. 106
Ponzan, 60-529, Poland
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Sunpharma Site no. 107
Lublin, 20-607, Poland
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Sunpharma Site no. 108
Torun, 87-100, Poland
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Sunpharma Site no. 110
Bialystok, 15-351, Poland
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Sunpharma Site no. 111
Warsaw, 02-118, Poland
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Sunpharma Site no. 112
Vahom, 91501, Slovakia
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Sunpharma Site no. 115
Santiago de Compostela, 15706, Spain
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Sunpharma Site no. 116
Málaga, 29009, Spain
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Sunpharma Site no. 117
Seville, 41014, Spain
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Sunpharma Site no. 121
Salt Lake City, Utah, 84132, United States
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Sunpharma Site no. 122
Skokie, Illinois, 60077, United States
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Sunpharma Site no. 124
Oklahoma City, Oklahoma, 73103, United States
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Sunpharma Site no. 125
Sabadell, 8208, Spain
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Sunpharma Site no. 127
Bangalore, Karnataka, 560079, India
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Sunpharma Site no. 128
Mylapore, Chennai, 600004, India
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Sunpharma Site no. 129
Lucknow, Uttar Pradesh, 226003, India
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Sunpharma Site no. 130
Belagavi, Karnataka, 590016, India
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Sunpharma Site no. 131
Pune, Maharashtra, 411004, India
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Sunpharma Site no. 132
Hubli, Karnataka, 580021, India
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Sunpharma Site no. 134
Surat, Gujarat, 395010, India
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Sunpharma Site no. 136
Olsztyn, 10-117, Poland
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Sunpharma Site no. 137
Wroclaw, 52-416, Poland
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Sunpharma Site no. 138
Verona, 37134, Italy
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Sunpharma Site no. 139
Katowice, 40-081, Poland
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Sunpharma Site no. 141
Avon Park, Florida, 33825, United States
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Sunpharma Site no. 142
Pune, Maharashtra, 411014, India
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Sunpharma Site no. 143
Kochi, Kerala, 682040, India
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Sunpharma Site no. 144
Kolkata, West Bengal, 700020, India
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Sunpharma Site no. 73
Leland, North Carolina, 28451, United States
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Sunpharma Site no. 74
Mesquite, Texas, 75150, United States
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Sunpharma Site no. 75
Margate, Florida, 33063, United States
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Sunpharma Site no. 76
Ocoee, Florida, 34761, United States
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Sunpharma Site no. 78
Madrid, 28046, Spain
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Sunpharma Site no. 79
Hsinchu, 300, Taiwan
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Sunpharma Site no. 85
Tallinn, 10117, Estonia
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Sunpharma Site no. 86
Tartu, 50708, Estonia
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Sunpharma Site no. 87
Tartu, 50106, Estonia
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Sunpharma Site no. 88
Martin, 3601, Slovakia
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Sunpharma Site no. 91
Berlin, 12161, Germany
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Sunpharma Site no. 92
Poznan, 61-113, Poland
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Sunpharma Site no. 93
Bialystok, 15-879, Poland
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Sunpharma Site no. 94
Krakow, 30-033, Poland
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Sunpharma Site no. 95
Warsaw, Mazowiecki, 05-830, Poland
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Sunpharma Site no. 96
Zlín, 760 01, Czechia
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Sunpharma site 98
Trois-Rivières, Quebec, G8Z 1Y2, Canada
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Sunpharma site no. 01
Tomball, Texas, 77375, United States
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Sunpharma site no. 02
Hialeah, Florida, 33016, United States
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Sunpharma site no. 05
New Port Richey, Florida, 34652, United States
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Sunpharma site no. 07
Worcester, Massachusetts, 01605, United States
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Sunpharma site no. 08
Houston, Texas, 77084, United States
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Sunpharma site no. 11
Middleburg Heights, Ohio, 44130, United States
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Sunpharma site no. 13
Baytown, Texas, 77521, United States
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Sunpharma site no. 14
Springfield, Missouri, 65810, United States
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Sunpharma site no. 15
Thousand Oaks, California, 91320, United States
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Sunpharma site no. 16
San Antonio, Texas, 78229, United States
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Sunpharma site no. 17
Fountain Valley, California, 92708, United States
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Sunpharma site no. 20
Wichita, Kansas, 67207, United States
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Sunpharma site no. 21
Clearwater, Florida, 33765, United States
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