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actinic keratoses treatment

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https://www.readbyqxmd.com/read/28580871/pharmacoeconomic-evaluations-in-the-treatment-of-actinic-keratoses
#1
Keith Tolley, Giuseppe Argenziano, Pier Giacomo Calzavara-Pinton, Thomas Larsson, Lasse Ryttig
Actinic keratoses (AKs) develop as a consequence of chronic ultraviolet (UV) exposure and exist on a continuum with squamous cell carcinoma (SCC). As one of the most common conditions treated by dermatologists, AK places a significant burden on patients and the healthcare system. A range of treatments are used, including topical treatments that target the visible and subclinical lesions. The goal of such therapies is to achieve complete clearance of AKs and eliminate the risk of progression to SCC. Robust meta-analyses of trial data can provide valuable information for the optimal management of AK and cost-effectiveness evaluations of topical treatments, such as ingenol mebutate gel and diclofenac...
June 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/28579816/tattoo-removal-with-ingenol-mebutate
#2
Sarah-Jane Cozzi, Thuy T Le, Steven M Ogbourne, Cini James, Andreas Suhrbier
An increasing number of people are getting tattoos; however, many regret the decision and seek their removal. Lasers are currently the most commonly used method for tattoo removal; however, treatment can be lengthy, costly, and sometimes ineffective, especially for certain colors. Ingenol mebutate is a licensed topical treatment for actinic keratoses. Here, we demonstrate that two applications of 0.1% ingenol mebutate can efficiently and consistently remove 2-week-old tattoos from SKH/hr hairless mice. Treatment was associated with relocation of tattoo microspheres from the dermis into the posttreatment eschar...
2017: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/28562434/treatment-of-actinic-keratoses-a-randomized-split-site-approach-comparison-of-sequential-5-fluorouracil-and-5-aminolevulinic-acid-photodynamic-therapy-to-5-aminolevulinic-acid-photodynamic-monotherapy
#3
Susan Pei, Edidiong C N Kaminska, Maria M Tsoukas
BACKGROUND: Actinic keratoses (AKs) are skin lesions resulting from sun exposure and carry a risk of developing into squamous cell carcinoma. Current therapies for AK eradication include topical 5-fluorouracil (5-FU) and photodynamic therapy (PDT) with topical 5-aminolevulinic acid (ALA). However, sequential therapy with 5-FU-ALA-PDT may offer improved outcome compared to ALA-PDT alone. OBJECTIVE: The purpose of this study is to compare the long-term efficacy of AK clearance by sequential therapy with 5-FU-ALA-PDT versus ALA-PDT alone...
May 25, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28524709/pharmacokinetics-of-ingenol-mebutate-gel-under-maximum-use-conditions-in-large-treatment-areas
#4
Alicia D Bucko, Michael Jarratt, Dowling B Stough, Laerke Kyhl, John Villumsen, Anders Hall
PURPOSE: Actinic keratoses (AKs) exist on a continuum with squamous cell carcinoma and can occur as sub-clinical and clinically visible lesions in cancerized fields on sun-damaged skin. Ingenol mebutate effectively treats AKs on areas up to 25 cm(2), but actinic keratosis can affect larger areas of skin. This trial evaluated systemic exposure and safety of ingenol mebutate gel on larger areas of skin under maximum use conditions. METHODS: Phase I, multicenter, open-label, uncontrolled, non-randomized trial...
May 25, 2017: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/28514458/effect-of-expedited-microneedle-assisted-photodynamic-therapy-for-field-treatment-of-actinic-keratoses-a-randomized-clinical-trial
#5
Tatyana A Petukhova, Lauren A Hassoun, Negar Foolad, Mayanka Barath, Raja K Sivamani
Importance: Photodynamic therapy (PDT) is an effective and cosmetically favorable treatment modality for actinic keratoses (AKs). However, prolonged incubation times and pain associated with treatment are burdensome to the patient and a hindrance to widespread use of PDT as standard field therapy for AK. Objective: To evaluate efficacy and pain associated with microneedle expedited PDT. Design, Setting, and Participants: The Microneedle Photodynamic Therapy II (MNPDT-II) study was a randomized, single-blinded, split-face controlled, 2-arm clinical trial...
May 17, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28511619/daylight-photodynamic-therapy-in-scotland
#6
Helen Cordey, Ronan Valentine, Andrea Lesar, Harry Moseley, Ewan Eadie, Sally Ibbotson
Chronic sun-induced dysplastic skin changes (actinic keratoses) are extremely common in fair-skinned people in Scotland. These changes are a major cause of morbidity and may develop into skin cancer. Actinic keratoses are often extensive and pose a therapeutic challenge as field-directed treatment is required for chronic disease management. One such treatment approach is hospital-based photodynamic therapy, which is a well-established treatment in Scotland for actinic keratoses, using a photosensitiser pro-drug and red LED light irradiation...
January 1, 2017: Scottish Medical Journal
https://www.readbyqxmd.com/read/28489298/a-randomized-double-blind-placebo-controlled-clinical-trial-evaluating-the-role-of-systemic-antihistamine-therapy-for-the-reduction-of-adverse-effects-associated-with-topical-5-aminolevulinic-acid-photodynamic-therapy
#7
Monique J Vanaman Wilson, Isabela T Jones, Douglas C Wu, Mitchel P Goldman
BACKGROUND AND OBJECTIVE: Following photodynamic therapy with 5-aminolevulinic acid (ALA-PDT), patients experience inflammation that may be partially attributable to H1 histamine receptor activation. The objective of this study was to evaluate the impact of antihistamines upon adverse effects following ALA-PDT. STUDY DESIGN/MATERIALS AND METHODS: This was a randomized, placebo-controlled clinical trial conducted at a single study site. Twenty subjects with facial actinic keratoses were randomized to ALA-PDT plus cetirizine 10 mg (n = 10) versus placebo daily (n = 10) from 3 days pre-treatment to 3 days post-treatment for a total of 7 days...
May 10, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28472571/optimising-cryosurgery-technique
#8
William C Cranwell, Rodney Sinclair
BACKGROUND: Cryosurgery is an effective, simple and inexpensive treatment used extensively in general practice and dermatology. It is used most commonly for actinic keratoses and warts; however, a large number of benign, premalignant and malignant skin diseases can also be treated. OBJECTIVE: The objective of this article is to help readers improve their cryosurgery technique. DISCUSSION: Application of the cryogenic agent (most commonly liquid nitrogen) to the skin induces rapid freezing followed by slow thawing...
2017: Australian Family Physician
https://www.readbyqxmd.com/read/28403266/laser-assisted-photodynamic-therapy-two-novel-protocols-for-enhanced-treatment-results
#9
Mary L Stevenson, Julie K Karen, Elizabeth K Hale
<p>Photodynamic therapy (PDT) uses a topical photosensitizing agent which is activated by a light source to cause destruction of specific cells. Commonly used for the treatment of actinic keratoses and photodamage, PDT can also be used for other conditions including acne and sebaceous hyperplasia. Here we report our experience with two treatment protocols. The first protocol utilizes laser assisted delivery of topical 5-aminolevulinic acid for enhanced efficacy of blue light photodynamic therapy in the treatment of actinic keratoses and photodamage...
April 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28384712/community-based-practice-variations-in-topical-treatment-of-actinic-keratoses
#10
Molly Storer, Zheng Zhu, Monika Sokil, Margaret Ford, Romain Neugebauer, Maryam M Asgari
No abstract text is available yet for this article.
May 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28370134/red-light-photodynamic-therapy-for-actinic-keratosis-using-37%C3%A2-j-cm-2-fractionated-irradiation-with-12-3%C3%A2-mw-cm-2-after-30-minutes-incubation-time-compared-to-standard-continuous-irradiation-with-75%C3%A2-mw-cm-2-after-3-hours-incubation-time-using-a-mathematical
#11
Anne-Sophie Vignion-Dewalle, Gregory Baert, Laura Devos, Elise Thecua, Claire Vicentini, Laurent Mortier, Serge Mordon
OBJECTIVE AND STUDY DESIGN: Photodynamic therapy (PDT) is an emerging treatment modality for various diseases, especially for dermatological conditions. Although, the standard PDT protocol for the treatment of actinic keratoses in Europe has shown to be effective, treatment-associated pain is often observed in patients. Different modifications to this protocol attempted to decrease pain have been investigated. The decrease in fluence rate seems to be a promising solution. Moreover, it has been suggested that light fractionation significantly increases the efficacy of PDT...
April 2, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28370019/efficacy-of-ultra-short-sub-30-minute-incubation-of-5-aminolevulinic-acid-photodynamic-therapy-in-vitro
#12
Eugene Koo, Evan Austin, Andrew Mamalis, Jared Jagdeo
BACKGROUND AND OBJECTIVE: The estimated incidence of cutaneous squamous cell carcinoma (SCC) is 700,000 cases per year. In the US, SCC incidence is highest among fair skinned adults older than 50 years of age. Thus, as the population ages, the reported number of SCCs will likely increase in the future. Photodynamic therapy (PDT) is an FDA approved therapy for treatment of actinic keratoses (AKs), a precursor to cutaneous SCC lesions. The FDA approved incubation time of the photosensitizing agent 5-aminolevulinic acid (ALA) is 14-18 hours...
March 29, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28358590/cellulitis-secondary-to-liquid-nitrogen-cryotherapy-case-report-and-literature-review
#13
Christina M Huang, Emily Y Lu, Mark G Kirchhof
BACKGROUND: Liquid nitrogen cryotherapy is a commonly used technique to treat a wide variety of dermatologic conditions including actinic keratoses, non-melanoma skin cancers, verrucae, and seborrheic keratoses. The risks associated with liquid nitrogen cryotherapy are important to know and discuss with patients prior to treatment. OBJECTIVE: We report a case of cellulitis secondary to liquid nitrogen cryotherapy for actinic keratosis. We sought to review the literature for an estimate of secondary infection rates following cryotherapy treatment...
March 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28336806/fluorouracil-enhances-photodynamic-therapy-of-squamous-cell-carcinoma-via-a-p53-independent-mechanism-that-increases-protoporphyrin-ix-levels-and-tumor-cell-death
#14
Sanjay Anand, Kishore R Rollakanti, Nikoleta Brankov, Douglas E Brash, Tayyaba Hasan, Edward V Maytin
Photodynamic therapy (PDT), using 5-aminolevulinic acid (ALA) to drive synthesis of protoporphryin IX (PpIX) is a promising, scar-free alternative to surgery for skin cancers, including squamous cell carcinoma (SCC) and SCC precursors called actinic keratoses. In the United States, PDT is only FDA approved for treatment of actinic keratoses; this narrow range of indications could be broadened if PDT efficacy were improved. Toward that goal, we developed a mechanism-based combination approach using 5-fluorouracil (5-FU) as a neoadjuvant for ALA-based PDT...
June 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28329661/predictors-of-actinic-keratosis-count-in-those-with-multiple-keratinocyte-carcinomas
#15
Julia A Siegel, Adam J Luber, Martin A Weinstock
Actinic keratoses (AKs) are frequently treated in the U.S., impacting an estimated 40 million people in 2004 and costing over $1 billion annually. AKs are a major public health concern because of their high prevalence, substantial cost, and potential for malignant transformation to keratinocyte carcinoma (KC). In this analysis, predictors of AK count were explored using pre-randomization baseline data from two large randomized trials of veterans with multiple prior KCs (n=932 and n=1131). Multivariate analyses were conducted to elucidate associations between AK count and several demographic and health related factors...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329648/hormonal-and-reproductive-factors-and-incidence-of-basal-cell-carcinoma-in-a-population-based-cohort
#16
Catherine M Olsen, Nirmala Pandeya, Bridie S Thompson, Jean Claude Dusingize, Padmini Subramaniam, Christina M Nagle, Adele C Green, Rachel E Neale, Penny M Webb, David C Whitman
Estrogens have photosensitizing properties, but few prospective studies have examined the relationship between hormonal and reproductive factors and incidence of basal cell carcinoma (BCC) in women. Previous findings have been inconsistent, particularly in relation to parity and use of oral contraceptives (OCs) and menopausal hormone therapy (MHT). Given the heterogeneity in the literature, we sought to examine the association between hormonal and reproductive factors and BCC risk in a cohort of women (n=23,879) enrolled in the QSkin Study in 2011...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329624/actinic-keratoses-progress-more-quickly-to-squamous-cell-carcinoma-than-basal-cell-carcinoma
#17
Julia A Siegal, Joanna L Walker, Moniyka Sachar, Robert A Lew, Suephy C Chen, Susan M Swetter, Robert P Dellavalle, George P Stricklin, Martin A Weinstock
Actinic keratoses (AK) are common, costly, and may evolve to keratinocyte carcinoma (KC): basal cell (BCC) and squamous cell carcinoma (SCC) of the skin. Time to malignant transformation is controversial. We used data from the placebo arm (n=166) of a randomized trial of veterans with multiple prior KCs. Study dermatologists examined participants' faces/ears at enrollment and semiannual visits. Clinically diagnosed AKs were marked, photographed, and treated with cryotherapy (starting at 6 months). Lesions suspicious for KC were marked, photographed, and biopsied...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329576/5-fluorouracil-induced-exacerbation-of-rosacea
#18
Ellen S Haddock, Philip R Cohen
Background Topical 5-fluorouracil (5-FU) is an antineoplastic antimetabolite used for the treatment of actinic keratosis.Purpose A 66-year-old man with erythematotelangiectatic rosacea and biopsy-confirmed actinic keratoses who experienced a rosacea exacerbation after initiating topical 5-FU treatment of his actinic keratoses is described and this adverse event associated with 5-FU is reviewed.Materials and methods Using PubMed.gov the following terms were searched and relevant citations were assessed: rosacea and 5-fluorouracil...
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329483/the-use-of-a-sunscreen-containing-dna-photolyase-in-the-treatment-of-patients-with-field-cancerization-and-multiple-actinic-keratoses-a-case-series
#19
C Navarrete-Dechent, M Molgó
Cutaneous field cancerization (CFC) is associated witha high-risk of developing cutaneous squamous cellcarcinoma (cSCC). It manifests as actinic keratoses(AK) as one of the few macroscopic alterations in CFCpatients. A prospective, single-arm, case-series wasperformed to evaluate the utility of a novel sunscreencontaining DNA-photolyase for treatment of CFCin nine subjects (mean age 70.6 years, male: femaleratio 5:4). The cream was applied topically twicedaily on CFC/AK areas and patients were followedup for three months, with no other treatments...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28301624/photodynamic-therapy-effectively-treats-actinic-keratoses-without-pre-illumination-incubation-time
#20
Jessica Gandy, Brian Labadie, Dina Bierman, Christopher Zachary
<p>BACKGROUND: Actinic keratoses (AKs) are dysplastic lesions of the epidermis that have the potential to progress to non-melanoma skin cancers (NMSC). Traditional photodynamic therapy (PDT) requires a pre-illumination incubation time, which adds to overall in-office time and has been linked to pain. Our group has found a novel protocol to effectively treat AKs with PDT that eliminates the pre-illumination incubation period and uses 2 back-to-back cycles of 16 minute 40 seconds.</p> <p>METHODS: The patient was prepped with soapy water and isopropyl alcohol, and thick AKs were descaled with a curette...
March 1, 2017: Journal of Drugs in Dermatology: JDD
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