Study of Topical Calcitriol or Oral Calcitriol in Patients With Psoriasis
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|ClinicalTrials.gov Identifier: NCT00004468|
Recruitment Status : Withdrawn (Lack of funds)
First Posted : October 19, 1999
Last Update Posted : March 2, 2018
OBJECTIVES: I. Evaluate the long term safety and efficacy of orally administered calcitriol in patients with at least 5% of their body covered with psoriasis.
II. Evaluate the long term safety and efficacy of topically administered calcitriol in patients with at least 5% of their body covered with psoriasis.
III. Compare the topical calcitriol treatment to the oral calcitriol treatment in these patients.
|Condition or disease||Intervention/treatment||Phase|
|Psoriasis||Drug: calcitriol||Not Applicable|
PROTOCOL OUTLINE: This is a part placebo-controlled (arm I) study. Patients either apply topical petrolatum (Vaseline) with calcitriol (vitamin D3) on a psoriatic lesion daily and petrolatum only on an other similar lesion daily to serve as a control (arm I) or receive oral calcitriol nightly (arm II).
Arm I patients continue treatment for at least 2 months. At the end of 2 months of topical treatment, one biopsy is taken of the lesion treated with calcitriol, one biopsy of the lesion treated with petrolatum alone, and one biopsy of skin unaffected by psoriasis. Lesions are also photographed prior to therapy, 2-4 weeks during therapy for the first two months, then once every 1-3 months, and then once at end of treatment.
Arm II patients increase dosage of oral calcitriol every 2 weeks up to a maximum dosage daily in the absence of adverse effects (high urinary calcium or serum calcium levels). Patients continue treatment for at least 1 month. Lesions are photographed prior to therapy, 2-4 weeks during therapy, and then once at end of treatment.
|Study Type :||Interventional (Clinical Trial)|
|Actual Enrollment :||0 participants|
|Study Start Date :||October 1998|
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00004468
|Study Chair:||Michael F. Holick||Boston University|