Title
Efficacy and Safety of TC Cream In Treating Patients With Psoriasis Vulgaris
A Double-Blind, Randomized, Placebo-Controlled, Parallel-Controlled, Two-Center, Phase 2b Clinical Trial to Evaluate the Efficacy and Safety of TC Cream In Treating Patients With Psoriasis Vulgaris.
Phase
Phase 2Lead Sponsor
Psoriasis Research Institute of GuangzhouStudy Type
InterventionalStatus
Completed No Results PostedIndication/Condition
Psoriasis VulgarisIntervention/Treatment
TC cream [lidocaine (62947), menthol (92412)] ...Study Participants
88A Double-Blind, Randomized, Placebo-Controlled, Parallel-Controlled, Two-Center, Phase IIb Clinical Trial to Evaluate the Efficacy and Safety of TC cream In Treating Patients with Psoriasis Vulgaris
A well-characterized botanical drug for topical treatment of psoriasis vulgaris
Vehicle
Inclusion Criteria: Age of 18-70 years old. Both men and women and members of all races and ethnic groups Consistent with diagnostic criteria of stable phase psoriasis vulgaris and have at least two target lesions suitable for evaluation Women of childbearing age must be using birth control strategies defined by one of the following: 1) a barrier method (condom) and/or 2) oral contraceptives, during the 8-week study period. ISGA score ≥ 2 (at least mild severity) BSA (stable stage group): 1%≤ to ≤20% Signed a written informed consent document No additional exposure to the sun Exclusion Criteria: Subjects in pregnancy, preparing for pregnancy or breast feeding History of hyperergic or photosensitivity History of complicated cardiovascular diseases, cerebrovascular diseases, severe primary diseases of hepatic, kidney and hematopoietic system, or patients with psychiatric disorders History of photosensitive diseases such as porphyria, chronic actinic dermatitis, Xeroderma pigmentosa Within 4 weeks prior to randomizations, patients have taken treatment with following approved or investigational psoriasis therapies on the target lesions: Topical treatments PUVA, UVB or Grenz ray therapy. Any systemic treatments other than biologicals with a possible effect on psoriasis (e.g., corticosteroids, vitamin D analogues, hydroxycarbamide, azathioprine, methotrexate, cyclosporine, other immunosuppressant). Any types of other investigational therapies for psoriasis Within 3 months prior to randomizations, patients have taken systemic treatments with retinoids or biological therapies (marketed or otherwise) with a possible effect on psoriasis (e.g., alefacept, efalizumab, etanercept, infliximab). Planned initiation of, or changes to, concomitant medications that could affect psoriasis (e.g., beta blockers, anti-malaria drugs, lithium) during the double-blind phase of the study. History of allergic reactions attributed to compounds of similar chemical or biologic compositions to Coumarins.