PsoriasisNCT06999941
A Real-world Study of Deucravacitinib in the Treatment of Moderate to Severe Plaque Psoriasis With Eczematous Features
An observational study of Psoriasis and Eczema, run by Xi Tan at 1 site in China.
Trial summary
Emerging evidence indicates that psoriasis and eczema can coexist in the same patient, with reported co-prevalence rates ranging from 0.17% to 20%, suggesting that these conditions may represent a disease spectrum-referred to as Psoriasis Eczema (PsEma). Read more about this study
- Who is it for?
- Ages 18 to 65 years
- Conditions the study is for
- Psoriasis, Eczema, JAK Inhibitor
- What is being tested?
- Deucravacitinib 6mg po qd
- Type of treatment
- Pill or oral medicine
- How many people
- 50 participants
- Where
- 1 siteChina
- Study dates
- 24 Apr 2025to 30 Aug 2026
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 65 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: clinical patients
Who may be able to join
- 1.patients who present typical psoriasis and typical eczema; 2.patients present untypical psoriasis lesions, biopsy result reveals both psoriasis and eczema features; 3.BSA≥3 and IGA≥3.
- Exclusion Criteria:① Local use of therapeutic drugs (such as glucocorticoids, calcineurin inhibitors, etc.) within 2 weeks Vitamin D derivatives, retinoid drugs); Received biological treatment within 4 weeks or 4 half lives Agents or their immunosuppressive/immunomodulatory agents (such as cyclosporine, methotrexate, JAK inhibitors);
- Suffering from active autoimmune diseases; Active tuberculosis infection; Hepatitis B surface antigen positive; Uncontrolled systemic diseases such as heart failure, cerebrovascular disease, and liver and kidney dysfunction;
- Known or suspected history of immunosuppression, or although the infection has disappeared, it has been assessed by the researcher as possible Frequent publication of authors;
- History of malignant tumors in the past, or current occurrence of any malignant tumors (excluding basal tumors cured for ≥ 1 year) Cell carcinoma, local squamous cell carcinoma of the skin, or cervical cancer in situ;
- Pregnant or lactating women, or those with pregnancy plans during the trial period.
Who cannot join
None listed.
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
China1 site
Shanghai general hospital, Shanghai Jiao Tong University School of Medicine
Shanghai, Shanghai Municipality, 200080
About this study
Official title: A Prospective Observational Study Evaluating the Efficacy and Safety of Deucravacitinib in the Treatment of Moderate to Severe Plaque Psoriasis Patients With Eczematous Features in a Real-world Research
Emerging evidence indicates that psoriasis and eczema can coexist in the same patient, with reported co-prevalence rates ranging from 0.17% to 20%, suggesting that these conditions may represent a disease spectrum-referred to as Psoriasis Eczema (PsEma). Moreover, paradoxical eczema has been observed in approximately 1% to 12.1% of psoriasis patients undergoing biologic therapy, with up to 61% of affected individuals discontinuing treatment due to eczematous flares. These findings underscore an urgent need for therapeutic agents that are efficacious for PsEma.
Tyrosine kinase 2 (TYK2), a member of the Janus kinase (JAK) family, is known to mediate critical signaling pathways involved in psoriasis pathogenesis, including those of type I interferons, interleukin (IL)-12, and IL-23. Additionally, TYK2 forms heterodimers with other JAK family members-such as JAK1 or JAK2-to transduce signals from cytokines like IL-13 and IL-22, which are centrally implicated in the pathophysiology of eczema. Based on this molecular profile, we hypothesize that TYK2 inhibition may not only avoid inducing eczematous reactions in psoriasis patients but may also alleviate eczematous inflammation by interfering with JAK1(JAK2)/TYK2-mediated IL-13 and IL-22 signaling.
Deucravacitinib, a selective allosteric TYK2 inhibitor, has shown promising results in our clinical practice, demonstrating improvements in both psoriatic and eczematous manifestations among patients with PsEma. This study aims to prospectively evaluate the efficacy and safety of deucravacitinib in PsEma patients over a 16-week treatment period. In parallel, transcriptomic profiling of peripheral blood and lesional skin will be performed to elucidate the immunological landscape and molecular signatures underlying PsEma, thereby contributing valuable clinical and mechanistic insights into its diagnosis and management.
Read the detailed description
Eczema-like psoriasis, also referred to as psoriasis-eczema overlap, is a distinct clinical and immunopathological entity that presents with features of both chronic plaque psoriasis and atopic dermatitis (AD). It is increasingly recognized in dermatological practice but remains under-characterized in the literature. Clinically, patients may exhibit erythematous, scaly plaques typical of psoriasis, alongside intense pruritus, oozing, and lichenification more typical of eczematous dermatitis. Histologically, such lesions often display psoriasiform epidermal hyperplasia with superimposed spongiosis, eosinophilic infiltration, and crusting-hallmarks of an eczematous response.
- Conditions
- Psoriasis, Eczema, JAK Inhibitor
- Being tested
- Deucravacitinib 6mg po qd
- Medical subject headings
- Psoriasis, Eczema
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Deucravacitinib 6mg po qdDrug
oral administration
What is being measured
The primary outcome is the main question the study is designed to answer.
Percentage of patients with PASI75
Measured: From enrollment to the end of treatment at 24 weeks
Change from baseline in PASI
Measured: From enrollment to the end of treatment at 24 weeks
Proportion of patients with s-PGA 0 or 1
Measured: From enrollment to the end of treatment at 24 weeks
Secondary outcomes (3)
Proportion of patients with IGA 0 or 1
Measured: From enrollment to the end of treatment at 24 weeks
change of BSA in eczema from baseline
Measured: From enrollment to the end of treatment at 24 weeks
Changes from baseline in WI-NRS
Measured: From enrollment to the end of treatment at 24 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted31 May 2025
- Study start24 Apr 2025
- Primary completion30 Aug 2026 (estimated)
- Study completion30 Aug 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for PsoriasisStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 50 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Xi Tan
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor-investigator, Xi Tan, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06999941
- Sponsor's protocol ID
- 20240924103453152
- Status last verified
- May 2026
- First submitted
- 12 May 2025
- Last updated
- 10 Jun 2026
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 10 Jun 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Prospective Observational Study Evaluating the Efficacy and Safety of Deucravacitinib in the Treatment of Moderate to Severe Plaque Psoriasis Patients With Eczematous Features in a Real-world Research
- ClinicalTrials.gov ID
- NCT06999941
- Acronym / sponsor ID
- 20240924103453152
- Conditions
- Psoriasis, Eczema, JAK Inhibitor
- Study type
- Observational
- Recruitment status
- Enrolling by invitation
- Enrolment
- 50 participants (estimated)
- Lead sponsor
- Xi TanUniversity, hospital or other
- Study start
- 24 Apr 2025 (actual)
- Primary completion
- 30 Aug 2026 (estimated)
- Study completion
- 30 Aug 2026 (estimated)
- First posted
- 31 May 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Emerging evidence indicates that psoriasis and eczema can coexist in the same patient, with reported co-prevalence rates ranging from 0.17% to 20%, suggesting that these conditions may represent a disease spectrum-referred to as Psoriasis Eczema (PsEma). Moreover, paradoxical eczema has been observed in approximately 1% to 12.1% of psoriasis patients undergoing biologic therapy, with up to 61% of affected individuals discontinuing treatment due to eczematous flares. These findings underscore an urgent need for therapeutic agents that are efficacious for PsEma.
Tyrosine kinase 2 (TYK2), a member of the Janus kinase (JAK) family, is known to mediate critical signaling pathways involved in psoriasis pathogenesis, including those of type I interferons, interleukin (IL)-12, and IL-23. Additionally, TYK2 forms heterodimers with other JAK family members-such as JAK1 or JAK2-to transduce signals from cytokines like IL-13 and IL-22, which are centrally implicated in the pathophysiology of eczema. Based on this molecular profile, we hypothesize that TYK2 inhibition may not only avoid inducing eczematous reactions in psoriasis patients but may also alleviate eczematous inflammation by interfering with JAK1(JAK2)/TYK2-mediated IL-13 and IL-22 signaling.
Deucravacitinib, a selective allosteric TYK2 inhibitor, has shown promising results in our clinical practice, demonstrating improvements in both psoriatic and eczematous manifestations among patients with PsEma. This study aims to prospectively evaluate the efficacy and safety of deucravacitinib in PsEma patients over a 16-week treatment period. In parallel, transcriptomic profiling of peripheral blood and lesional skin will be performed to elucidate the immunological landscape and molecular signatures underlying PsEma, thereby contributing valuable clinical and mechanistic insights into its diagnosis and management.
Detailed description
Eczema-like psoriasis, also referred to as psoriasis-eczema overlap, is a distinct clinical and immunopathological entity that presents with features of both chronic plaque psoriasis and atopic dermatitis (AD). It is increasingly recognized in dermatological practice but remains under-characterized in the literature. Clinically, patients may exhibit erythematous, scaly plaques typical of psoriasis, alongside intense pruritus, oozing, and lichenification more typical of eczematous dermatitis. Histologically, such lesions often display psoriasiform epidermal hyperplasia with superimposed spongiosis, eosinophilic infiltration, and crusting-hallmarks of an eczematous response.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
Who may qualify
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- clinical patients
Key inclusion criteria (6 listed)
- 1.patients who present typical psoriasis and typical eczema; 2.patients present untypical psoriasis lesions, biopsy result reveals both psoriasis and eczema features; 3.BSA≥3 and IGA≥3.
- Exclusion Criteria:① Local use of therapeutic drugs (such as glucocorticoids, calcineurin inhibitors, etc.) within 2 weeks Vitamin D derivatives, retinoid drugs); Received biological treatment within 4 weeks or 4 half lives Agents or their immunosuppressive/immunomodulatory agents (such as cyclosporine, methotrexate, JAK inhibitors);
- Suffering from active autoimmune diseases; Active tuberculosis infection; Hepatitis B surface antigen positive; Uncontrolled systemic diseases such as heart failure, cerebrovascular disease, and liver and kidney dysfunction;
Key exclusion criteria (0 listed)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Deucravacitinib 6mg po qdoral administration | Drug | – |
Primary outcome
Percentage of patients with PASI75
Time frame: From enrollment to the end of treatment at 24 weeks
Change from baseline in PASI
Time frame: From enrollment to the end of treatment at 24 weeks
Proportion of patients with s-PGA 0 or 1
Time frame: From enrollment to the end of treatment at 24 weeks
3 secondary outcomes
Proportion of patients with IGA 0 or 1
Time frame: From enrollment to the end of treatment at 24 weeks
change of BSA in eczema from baseline
Time frame: From enrollment to the end of treatment at 24 weeks
Changes from baseline in WI-NRS
Time frame: From enrollment to the end of treatment at 24 weeks
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 10 Jun 2026.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
The record lists no contact. Use the official record to reach the sponsor.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Psoriasis and Eczema, run by Xi Tan at 1 site in China.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 6 inclusion and 0 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: enrolling by invitation, as of the sponsor's last update on 10 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Percentage of patients with PASI75 (time frame: From enrollment to the end of treatment at 24 weeks). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Jun 2026; AzTrials last refreshed its copy on 8 Nov 2026.