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The investigators will compare the application of two different creams for the treatment of low-risk skin cancers-superficial basal cell carcinoma (sBCC) and squamous cell carcinoma in situ (SCCis). 5-Fluorouracil cream is currently FDA approved for the treatment of superficial basal cell carcinoma and is routinely used by dermatologists across the country and at Boston Medical Center (BMC) for SCCis. The normal treatment regimen is 4 weeks of the 5-fluorouracil cream for both skin cancers.
The application of a compounded cream consisting of 1:1 ratio 5-fluorouracil with calcipotriene will be tested. This combination cream has been shown to clear pre-skin cancers called actinic keratoses and prevent future skin cancers from developing. This combination cream for 7-14 days to see if this shorter treatment course provides clearance of the 2 types of skin cancer. This combination cream is successfully used in this manner to treat other subtypes of related skin cancers. This will be a pilot study with
The primary endpoint for this pilot randomized single blinded clinical trial will be the response to treatment (yes versus no). The lesions will be assessed clinically for clearance of cancer, as would normally be done and is consistent with how comparable studies have assessed clearance. Participants will be followed closely afterwards for three years with visits at 6 months, which does not vary from standard practice. If the lesions are not clear of cancer or equivocal clinically, the lesions will be re-biopsied and normal standard of care procedure will take place.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Combination cream of 5-fluorouracil and calcipotriene | Experimental | Participants randomized to this group will receive treatment with the combination cream consisting of 5-fluorouracil and calcipotriene twice a day for 7 days and the treatment can be extended to 14 days based on evaluation at 7 days. |
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| 5-fluorouracil cream | Active Comparator | Participants randomized to this group will receive treatment with 5-fluorouracil cream twice a day for 28 days. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Combination cream of 5-fluorouracil and calcipotriene | Drug | Apply the cream to the size of the lesion extending to the 0.5 cm area of skin surrounding the lesion.twice a day for 7 days and the treatment can be extended to 14 days based on evaluation at 7 days. |
| Measure | Description | Time Frame |
|---|---|---|
| Clearance rate of cancer lesions at 3 months | Clearance rate is defined as the percentage of lesions that are free of cancer based on clinical assessments which will be performed by the patient's dermatologist and via photos from a standardized full frontal angle. | 3 months |
| Clearance rate of cancer lesions at 3 years | Clearance rate is defined as the percentage of lesions that are free of cancer based on clinical assessments which will be performed by the patient's dermatologist and via photos from a standardized full frontal angle. | 3 years |
| Measure | Description | Time Frame |
|---|---|---|
| Percent of participants that experience pain during treatment | Based on responses to an investigator-developed survey completed by each participant within 5 days of treatment completion, participants will rate their pain from 1 to 5 where 1=no pain, 2= very mild, 3=mild, 4=moderate (requiring pain medication), 5=severe (requiring pain medication or physician contact). The number of participants with scores of 2 or higher will be divided by all participants. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Frederick Gibson, MD | Contact | (617) 358-9700 | frederick.gibson@bmc.org | |
| Alexandria Riopelle, MD | Contact | (617) 358-9700 | alexandria.riopelle@bmc.org |
| Name | Affiliation | Role |
|---|---|---|
| Bilal Fawaz, MD | Dermatology, Boston University School of Medicine | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Boston Medical Center Dermatology Clinic | Recruiting | Boston | Massachusetts | 02118 | United States |
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| ID | Term |
|---|---|
| D000081483 | Squamous Intraepithelial Lesions |
| ID | Term |
|---|---|
| D065308 | Morphological and Microscopic Findings |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| C055085 | calcipotriene |
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| 5-fluorouracil cream | Drug | Apply the cream to the size of their lesion extending to the 0.5 cm area of skin surrounding the lesion twice daily for 28 days. |
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| 3 months |
| Severity of pain during treatment | Based on responses to an investigator-developed survey completed by each participant within 5 days of treatment completion, participants will rate their pain from 1 to 5 where 1=no pain, 2= very mild, 3=mild, 4=moderate (requiring pain medication), 5=severe (requiring pain medication or physician contact). Mean pain ratings will be calculated with higher mean scores suggesting more severe pain. | 3 months |
| Percent of participants that experience redness during treatment | Based on responses to an investigator-developed survey completed by each participant within 5 days of treatment completion, participants will rate their overall redness from 1 to 5 where 1=no redness, 2= very minimal, 3=minimal, 4=moderate, 5=severe. The number of participants with scores of 2 or higher will be divided by all participants. | 3 months |
| Severity of redness during treatment | Based on responses to an investigator-developed survey completed by each participant within 5 days of treatment completion, participants will rate their overall redness from 1 to 5 where 1=no redness, 2= very minimal, 3=minimal, 4=moderate, 5=severe. Mean redness ratings will be calculated with higher mean scores suggesting more severe redness. | 3 months |
| Day of worst redness | For participants who experienced any redness, the mean day after treatment when the redness was worst will be calculated. | 3 months |
| Percent of participants who experienced scaling/flaking | Based on responses to an investigator-developed survey completed by each participant within 5 days of treatment completion, participants will be asked if they experienced any scaling/flaking. The number of participants who responded 'yes' will be divided by all participants. | 3 months |
| Percent of participants who experienced skin itching | Based on responses to an investigator-developed survey completed by each participant within 5 days of treatment completion, participants will be asked if they experienced any skin itching. The number of participants who responded 'yes' will be divided by all participants. | 3 months |
| Percent of participants who experienced skin burning | Based on responses to an investigator-developed survey completed by each participant within 5 days of treatment completion, participants will be asked if they experienced any skin burning. The number of participants who responded 'yes' will be divided by all participants. | 3 months |
| Participant compliance with treatment | Compliance with treatment will be assessed by weighing the medicine tubes after treatment completion and comparing the weight, estimated in grams from fingertip units (FTU), with the expected weight based on the how much medicine should have been used given the treatment regimen. The closer this difference is to zero, the greater the compliance. | 3 months |
| Participant satisfaction with treatment | Based on responses to an investigator-developed survey completed by each participant within 5 days of treatment completion, participants will rate their satisfaction with the treatment from 1 to 5 where 1=very dissatisfied, 2= dissatisfied, 3=neutral, 4=satisfied, 5=very satisfied. Mean satisfaction ratings will be calculated with higher mean scores suggesting more treatment satisfaction. | 3 months |
| Recurrence rate of cancer lesions at 1 year | The recurrence rate is the percentage of cancer lesions that recur which is the number that recur out of the number cleared. | 1 year |
| Recurrence rate of cancer lesions at 3 years | The recurrence rate is the percentage of cancer lesions that recur which is the number that recur out of the number cleared. | 3 years |