Skip to content

Effect of Lycium Barbarum Glycopeptide on Depressive Symptomatology in Patients with Mild-to-Moderate Psoriasis and Comorbid Subthreshold Depression: A Randomized Double-Blind Placebo-Controlled Pilot Clinical Trial

Effect of Lycium Barbarum Glycopeptide on Depressive Symptomatology in Patients with Mild-to-Moderate Psoriasis and Comorbid Subthreshold Depression: A Randomized Double-Blind Placebo-Controlled Pilot Clinical Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ITMCTR
Registry ID
ITMCTR2025001038
Enrollment
Unknown
Registered
2025-05-26
Start date
2025-05-30
Completion date
Unknown
Last updated
2025-06-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

psoriasis vulgaris

Interventions

experimental group:LbGp combined with the Guben QuShi HuaYu Formula
control group:LbGp placebo combined with the Guben QuShi HuaYu Formula

Sponsors

Guangdong Provincial Hospital of Chinese Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients meeting diagnostic criteria for plaque psoriasis. 2. Disease severity meeting mild-to-moderate classification at enrollment: Psoriasis Area and Severity Index (PASI) 8 but < 35 Absence of significant suicide risk (Item 3 score = 1) Exclusion of major depressive disorder (MDD) per DSM-5 criteria. 4. Aged 18–65 years inclusive; both sexes eligible. 5. Provision of written informed consent and willingness to comply with scheduled follow-ups.

Exclusion criteria

Exclusion criteria: 1. Pregnancy lactation or planned pregnancy during the study period; 2. inverse psoriasis psoriatic arthritis pustular psoriasis or erythrodermic psoriasis; 3. Known or suspected uncontrolled/severe systemic comorbidities: cardiovascular respiratory hematologic or malignant disorders; severe anemia; hyperthyroidism/hypothyroidism; 4. History of severe psychiatric disorders organic mental disorders cerebral organic diseases or traumatic brain surgery; 5. Major depressive disorder (MDD) diagnosis within 6 months pre-enrollment or suicidal ideation/behavior within 6 months; 6. Current DSM-5-defined diagnoses: major depressive disorder generalized anxiety disorder bipolar disorder etc.; 7. Major stressful life events within the past month (e.g. bereavement financial collapse natural disasters severe physical illness disability); 8. Known hypersensitivity to investigational agents (Guben QuShi HuaYu Formula LBGp) or their components; 9. Concurrent participation in other drug trials or trial participation within 4 weeks; 10. Recent therapies: Topical agents (antibiotics corticosteroids vitamin D3 analogs calcineurin inhibitors keratolytics) within 2 weeks; Systemic therapies (methotrexate acitretin cyclosporine fumaric acid esters) or phototherapy within 4 weeks; Biologics within 5 half-lives prior to enrollment (e.g. etanercept: 17.5 days; infliximab: 50 days; adalimumab: 70 days; ustekinumab: 105 days; secukinumab: 135 days; ixekizumab: 65 days); 11. Antidepressant use within 1 month pre-enrollment; 12. Severe aphasia agnosia intellectual disability or inability to complete assessments; 13. Regular consumption of Lycium barbarum-containing herbal products within 3 months pre-enrollment; 14. Chronic corticosteroid or endocrine medication use; 15. Non-compliance with follow-up requirements; 16. Other conditions deemed by investigators to be unsuitable for participation.

Design outcomes

Primary

MeasureTime frame
Mean difference in HAMD-24 score changes.;

Secondary

MeasureTime frame
The average difference in GAD-7 scores before and after treatment.;The average difference in BSA scores before and after treatment.;The average difference in PGA scores before and after treatment.;Reduction rate of HAMD-24;The improvement in PASI score from baseline after treatment.;The changes in the internal factors of the HAMD-24.;The average difference in VAS scores before and after treatment.;Mean difference in PHQ-9 score changes.;The average difference in PSQI scores before and after treatment.;The remission rates of HAMD-24.;The average difference in DLQI scores before and after treatment.;Incidence rate of adverse reactions.;

Countries

China

Contacts

Public ContactChuanjian Lu

Guangdong Provincial Hospital of Chinese Medicine

lcj@gzucm.edu.cn020-81887233

Outcome results

None listed

Source: ITMCTR (via WHO ICTRP) · Data processed: Feb 4, 2026