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| Name | Class |
|---|---|
| American Skin Association | OTHER |
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In current Dermatology practice, options for vitiligo remain limited. The purpose of this study is to determine if once daily dosed topical rapamycin is effective for the treatment of patients with vitiligo. Participants will apply either 0.1% topical rapamycin or 0.001% topical rapamycin for six months to a lesion on one side of the body, and topical placebo to a corresponding lesion on the opposite side of the body. The study also aims to evaluate patient satisfaction and identify any adverse effects on these dosing regimens.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Topical rapamycin 0.001% | Experimental | Patients randomized to this arm of the study will apply 2 finger tip units (FTU) or 0.5 cc topical rapamycin 0.001% cream daily for 6 months |
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| Topical rapamycin 0.1% | Active Comparator | Patients randomized to this arm of the study will apply 2 FTU (0.5 cc) topical rapamycin 0.1% cream daily for 6 months |
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| Placebo | Placebo Comparator | All patients will apply 2 FTU (0.5 cc) topical placebo cream daily for 6 months to the corresponding anatomic location on the opposite side of the body where the experimental drug is not being applied |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Rapamycin | Drug | While rapamycin is not approved for the treatment of vitiligo, it has been found to be efficacious in stopping disease progression in animal models. Another recent study in humans showed that doses of 0.5cc daily of 0.001% of the topical formulation are able to achieve improvement in hypopigmented lesions of the skin at both the clinical and histological level. At this dose, improvement in cell function was observed regarding maintenance of proliferative potential and prevention of senescence, with avoidance of total inhibition of cell growth as has been seen at higher potencies used for immunosuppression. |
| Measure | Description | Time Frame |
|---|---|---|
| Number of lesions with no response | Absence of change in appearance of targeted lesion. Vitiligo is a depigmenting disease and treatment responses are graded by percentage of repigmentation on a 5-point scale | 6 months |
| Number of lesions with partial response | There is change in the size of dyspigmentation as compared to its appearance and symptoms at the initial visit, but the lesion remains grossly visible. Vitiligo is a depigmenting disease and treatment responses are graded by percentage of repigmentation on a 5-point scale. Changes in the characteristics of the targeted lesions will be evaluated by a dermatologist and documented via photographs at follow-up visits at 2, 4, and 6-months, with the final outcome measured at the 6-month visit. | 6 months |
| Numbers of lesions with complete response | Targeted lesion is no longer grossly visible. | 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| Average score of Dermatology Quality of Life questionnaire (or Teenager Quality of Life Index) | The Dermatology Life Quality Index (DLQI) is designed to measure the health-related quality of life of adult (or teenage) patients suffering from a skin disease. Both physical and psychological symptoms are ranked on a 4-point scale from "not at all" to "very much" to provide a cumulative patient score. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ahmad Aleisa, MD | Medical University of South Carolina | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Medical University of South Carolina | Charleston | South Carolina | 29425 | United States |
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| ID | Term |
|---|---|
| D014820 | Vitiligo |
| ID | Term |
|---|---|
| D017496 | Hypopigmentation |
| D010859 | Pigmentation Disorders |
| D012871 | Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
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| ID | Term |
|---|---|
| D020123 | Sirolimus |
| ID | Term |
|---|---|
| D018942 | Macrolides |
| D007783 | Lactones |
| D009930 | Organic Chemicals |
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During a clinical care visit, if a patient is eligible and agrees to participate, one lesion occupying less than 2% body surface area (BSA) will be identified for treatment with either 0.1% or 0.001% topical rapamycin cream to be applied daily for 6 months. Ten patients will be randomized to each treatment arm, however, if it is clear that one treatment arm is less effective, that treatment arm will be dropped, and study participants will be reallocated to the more effective treatment arm. A second, symmetric lesion about the same size and evolution time occupying less than 2% BSA will be identified for treatment with topical placebo cream to be applied daily for 6 months. The second lesion must be at the corresponding anatomic location on the other half of the body, i.e., if topical rapamycin is applied to the left arm, topical placebo will be applied to the right arm.
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The pharmacy will distribute medications in unlabeled, 60-gram tubes following patient enrollment. Tubes will be marked as "Left" and "Right." The association between tube label and treatment type will only be known to pharmacy staff. The pharmacy staff will allocate 10 patients to receive 0.001% rapamycin and 10 patients to receive 0.1% rapamycin.
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| Rapamycin | Drug | Rapamycin is an immunosuppressant that works by inhibiting the mammalian target of rapamycin (mTOR) leading to inhibition of the cell cycle and antibody production. It has also been shown to promote expansion of Treg populations. Although studies evaluating alternative dosing for vitiligo are limited, topical rapamycin has previously been used to treat angiofibromas related to Tuberous Sclerosis, vascular malformations such as port-wine stains, and inflammatory lesions such as plaque psoriasis. In a 2019 meta-analysis, 38 out of 40 reports included used topical formulations of 1% or lower potency rapamycin; the majority of publications were focused on the treatment of Tuberous Sclerosis, where the median concentration of mTOR inhibition was 0.1% dosed twice daily. |
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| Placebo | Drug | All patients will be assigned to received topical placebo cream to the lesion not being treated with the active study drug. |
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| 6 months |