Dermatología en Costa Rica

Saturday, October 31, 2020

Transition de Otros a Dupi


Journal Scan / Commentary · October 29, 2020

Transitioning From Systemic Immunosuppressants to Dupilumab

Journal of the European Academy of Dermatology and Venereology: JEADV

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Abstract
Atopic dermatitis (AD) is a complex and heterogeneous chronic inflammatory skin disease. A subset of patients requires systemic immunosuppressants including cyclosporine A (CsA), azathioprine (AZA), mycophenolate mofetil (MMF)/ mycophenolic acid (MPA) and methotrexate (MTX). Dupilumab is the first biologic for treatment of AD, mostly started in patients with insufficient effectiveness or side effects of systemic immunosuppressants. In daily practice, approximately 65% of patients are still using systemic immunosuppressants when starting dupilumab. Although a significant reduction in itch can be present by week 2, clinically relevant AD improvement continues until at least 812 weeks of dupilumab treatment. Additionally, abrupt discontinuation of systemic immunosuppressants is unpreferable due to a possible rebound phenomenon. We found that tapering the immunosuppressants after the start of dupilumab results in a seamless transition between therapies. In our patients (n = 88), we did not find side effects resulting from this combination treatment.

Journal of the European Academy of Dermatology and Venereology: JEADV
An Approach for the Transition From Systemic Immunosuppressants to Dupilumab
J Eur Acad Dermatol Venereol 2020 Sep 13;[EPub Ahead of Print], LEM de Wijs, JP Thyssen, C Vestergaard, HB Thio, ACM Kunkeler, T Biedermann, DJ Hijnen 

Vendajes de todos colores...


Journal Scan / Commentary · October 29, 2020

Bandages for Children With Skin of Color

Pediatric Dermatology

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Abstract
The act of healing is a uniquely humanizing experience ubiquitously symbolized by the application of a bandage, an action that occurs daily in dermatology and pediatric clinics. The beige bandages we use in clinics are merely a visible symbol and reinforcement of what is considered standard and what is a deviation from the norm. One hundred years ago, Johnson & Johnson was a pioneer in the field when they invented the adhesive bandage. One hundred years ago, they set an industry standard by creating, exporting, and upholding a normative standard for practically all adhesive bandages in medicine, including birth control and nicotine patches to nasal strips. It took one hundred years after its inception and with over 100 billion Band-Aids produced with cartoons and superheroes, and in countless forms, for the inventors of bandages to offer a multitude of skin tones. Can we as healers stick with them? Or, can we implore ourselves to decolonize our clinics with a seemingly insignificant yet powerful symbolic gesture that lets our patients know that they are seen and not deviations from the norm? The conversation of diversity and inclusion in health and healing and institutional racism is obviously much deeper and profound than adhesive bandages. However, we can choose to acknowledge and celebrate diversity and inclusion in our practices as much as we can because it is significant to all of our patients, children, and adults alike.
Pediatric Dermatology
A Plea for Making Brown Bandages Stick
Pediatr Dermatol 2020 Oct 17;[EPub Ahead of Print], LO Oyesiku 

Contactantes más frecuentes en Productos cosméticos


Journal Scan / Research · October 28, 2020

Contact Dermatitis to Personal Care Products in Men and Women

Journal of the American Academy of Dermatology

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Abstract:

BACKGROUND

Personal care products(PCPs) are commonly responsible for allergic(ACD) and irritant contact dermatitis(ICD). PCP use was historically associated with women but increasingly, male-targeted PCPs are being marketed.

OBJECTIVE

To characterize and compare males and females with PCP-related contact dermatitis(MPCP, FPCP).

METHODS

Retrospective cross-sectional analysis of North American Contact Dermatitis Group(NACDG) data (1996-2016).

RESULTS

4680/16,233 males (28.8%) and 12,730/32,222 (39.5%) females had a PCP identified as a source of ICD or a positive patch test reaction. The proportion of PCP-related dermatitis in both sexes significantly increased (>2.7 fold) over the decade of study. As compared to FPCP, a larger proportion of MPCP were older and/or had trunk/extremity dermatitis(p<0.0001). MPCP were twice as likely to have soaps as a source while FPCP were twice as likely to have hair care products(p values<0.001). The most common PCP-related NACDG allergens for both sexes were methylisothiazolinone(MI) (MPCP:28.8%, FPCP:21.5%), fragrance mix I (22.3%, 20.1%), balsam of Peru (18.5%, 14.1%), quaternium-15 (16.1%, 12.3%), and paraphenylenediamine (11.5%, 11.1%).

LIMITATIONS

Patient population referred for suspected contact dermatitis.

CONCLUSIONS

PCP-related dermatitis is increasing. Sites of involvement and relevant PCP sources are distinct between sexes. Male and female variation in exposure history may explain differences in reactivity to some allergen groups.

Journal of the American Academy of Dermatology
Contact Dermatitis to Personal Care Products is Increasing (but Different!) in Males and Females: North American Contact Dermatitis Group (NACDG) Data, 1996–2016
J Am Acad Dermatol 2020 Oct 08;[EPub Ahead of Print], EM Warshaw, JP Schlarbaum, JI Silverberg, JG DeKoven, AF Fransway, JS Taylor, HI Maibach, JF Fowler, AR Atwater, MJ Reeder, KA Zug, DV Belsito, D Sasseville, VA DeLeo, MD Pratt 

Friday, October 23, 2020

Peroxido de hidrogeno... agua oxigenada para verrugas

Published in Dermatology

Journal Scan / Research · October 20, 2020

Hydrogen Peroxide Topical Solution for Common Warts


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Abstract


BACKGROUND

No FDA-approved prescription therapies are available for common warts.

OBJECTIVE

We evaluated a proprietary hydrogen peroxide topical solution, 45% (w/w) (HP45) for treatment of common warts.

METHODS

In the phase 2 randomized, double-blind, vehicle-controlled WART-203 trial (NCT03278028), eligible patients aged ≥8 years had 1–6 warts (1 target wart) on the trunk or extremities with a Physician's Wart Assessment™ (PWA) grade ≥2 (range, 0 [clear] to 3 [wart 3–8 mm in diameter or length]). Patients self-administered HP45 or vehicle twice weekly for 8 weeks and were evaluated through 12 weeks posttreatment (week 20). Efficacy assessments included mean change in target wart PWA grade from baseline at week 8 (primary endpoint) and proportions of patients with target wart clearance. Safety assessments included treatment-emergent adverse events (TEAEs) and local skin reactions (LSRs).

RESULTS

A total of 157 patients completed 8 weeks of treatment (HP45, n=79; vehicle, n=78); 151 patients completed the 20-week posttreatment evaluation (HP45, n=75; vehicle, n=76). A significantly greater reduction in mean target wart PWA grade from baseline at week 8 was achieved with HP45 (−0.87) vs vehicle (−0.17; P<0.0001) and maintained at week 20 (−1.00 vs −0.39; P=0.0004). The proportion of patients with target wart clearance at week 8 was significantly greater with HP45 (25.3%) vs vehicle (2.6%; P<0.0001) and remained significantly greater at week 20 (37.3% vs 11.8%; P=0.0002). Forty-seven patients reported 76 TEAEs; most were mild or moderate in severity. Most LSRs were mild and resolved by week 20. In pediatric patients (HP45, n=13; vehicle, n=6), greater reductions in mean target wart PWA grade from baseline were observed with HP45 vs vehicle at weeks 8 (−1.0 vs 0) and 20 (−1.2 vs −0.5).

CONCLUSION

These findings support the efficacy and safety of HP45 for the treatment of common warts in patients ≥8 years of age. J Drugs Dermatol. 2020;19(10):969-976. doi:10.36849/JDD.2020.5054.


Journal of Drugs in Dermatology

Hydrogen Peroxide Topical Solution, 45% for Common Warts: Phase 2 Efficacy and Safety Trial Results

J Drugs Dermatol 2020 Oct 01;19(10)969-976, SR Smith, SK Trying, KK Grande, J Schlessinger, MH Gold, SD Shanier 


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Benjamin Hidalgo-Matlock
Skin Care Physicians of Costa Rica

Clinica Victoria en San Pedro: 4000-1054
Momentum Escazu: 2101-9574

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Thursday, October 22, 2020

Dermatofibromas

Title: Molecular basis of inherited dermatofibromas
Author: Supsrisunjai, Chavalit
Awarding Body: King's College London
Current Institution: King's College London (University of London)
Date of Award: 2020
Availability of Full Text:
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Abstract:
Dermatofibromas are considered to be common benign fibrotic lumps in the skin, the aetiology of which is poorly understood. I identified two unrelated pedigrees in which there was autosomal dominant transmission of multiple dermatofibromas. Whole exome sequencing revealed a rare shared heterozygous missense variant in F13A1 gene encoding coagulation factor XIII subunit A, a transglutaminase involved in haemostasis, wound healing, tumour growth, and apoptosis. Coincidentally, FXIII-A is one of the key immunohistochemical markers for dermatofibromas. The variant (Lys679Met) has an allele frequency of 0.0002 and is predicted to be a damaging mutation (Polyphen-2 = 1; Mutation taster = 1; CADD = 25.5; DANN = 0.993). Recombinant human Lys679Met FXIII-A demonstrated reduced crosslinking activity in vitro. Of note, treatment of fibroblasts with Lys679Met FXIII-A led to enhanced adhesion, proliferation and type I collagen synthesis. Immunostaining revealed a close association between FXIII-A and α4β1 integrins, and treatment of fibroblasts with α4β1 inhibitors or mutation of the FXIII-A Isoleucine-Leucine-Aspartate-Threonine (ILDT) motif prevented Lys679Met FXIII-A-dependent proliferation and collagen synthesis. These data suggest that the Lys679Met mutation leads to a conformational change in the FXIII-A protein that enhances α4-integrin binding and provide insight into an unexpected role for FXIII-A in the pathobiology of familial dermatofibromas.

Recognition of Atopic Keratoconjunctivitis During Treatment With Dupilumab for Atopic Dermatitis




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Abstract

Dupilumab, a monoclonal antibody that blocks Th2 cytokines,[1-4] is approved for the 3 treatment of cutaneous manifestations of atopic dermatitis (AD). Unfortunately, dupilumab use 4 can result in ophthalmic complications. In the inaugural phase III clinical trials, 14-19% of 5 patients reported dupilumab associated conjunctivitis but were not examined by an 6 ophthalmologist.[1, 4] Thus, it is possible that some of these patients could have experienced a 7 more severe form of ocular surface disease than simple reactive conjunctivitis. In this report, we 8 describe 3 patients who developed atopic keratoconjunctivitis (AKC), a severe inflammatory 9 condition affecting the cornea and conjunctiva, that results in more ocular morbidity than simple 10 conjunctivitis.[5] We also propose an algorithm that dermatologists may use to screen patients 11 for concerning ocular symptoms.

Journal of the American Academy of Dermatology
Recognition of Atopic Keratoconjunctivitis During Treatment With Dupilumab for Atopic Dermatitis
J Am Acad Dermatol 2020 Sep 18;[EPub Ahead of Print], J Cheng, L Jiang, NC Morrow, A Avdic, JA Fairley, JJ Ling, MA Greiner 


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Benjamin Hidalgo-Matlock
Skin Care Physicians of Costa Rica

Clinica Victoria en San Pedro: 4000-1054
Momentum Escazu: 2101-9574

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Wednesday, October 21, 2020

Ketoconazole en acne

CAN TOPICAL KETOCONAZOLE TIP THE SCALES FOR ACNE VULGARIS?


DII small banner

By Warren R. Heymann, MD
Oct. 21, 2020
Vol. 2, No. 42

"Now trending." How often have you seen that phrase when you go online? When it comes to trends in treating acne vulgaris (AV), despite the new addition of oral sarecycline and the release of topical minocycline foam, there is an impetus to move away from prolonged antibiotic therapy for managing acne. It has recently been suggested that spironolactone might have superior drug usage survival compared to oral antibiotics for the treatment of female patients with acne. (1)

AV is a cutaneous chronic inflammatory disorder with complex pathogenesis. Four key factors have roles in acne pathogenesis: hyperseborrhea and dysseborrhea, altered keratinization of the pilosebaceous duct, Cutibacterium acnes (C. acnes, formerly Proprionibacterium acnes, P. acnes) and inflammation. The main hormones responsible for the development of acne vulgaris include androgens, insulin, and insulin-like growth factor-1. (2) Available AV treatment modalities include: 

  1. Topical medications: antibacterial (benzoyl peroxide, clindamycin, erythromycin), retinoids (tretinoin, adapalene, tazarotene), others (dapsone, azelaic acid); 

  2. Oral agents: antibiotics (tetracyclines, macrolides, sulfamethoxazole trimethoprim), hormonal therapy (oral contraceptives, spironolactone); 

  3. Isotretinoin; 

  4. Procedural therapies (comedone extraction, chemical peels) (3); and 

  5. Novel treatments (laser, photodynamic therapy). 

Focusing on hormonal therapy, Zaenglein asserts: "Combined oral contraceptive therapy and spironolactone are effective hormonal therapies for inflammatory acne in female patients and may be considered in patients who do not have a response to topical therapies alone." (4)

Spironolactone is well-tolerated, especially at lower doses. The most common adverse effects include menstrual irregularities (which is diminished with concomitant oral contraceptives), breast tenderness, breast enlargement, fatigue, dizziness, and headache. In young, healthy women, it is no longer necessary to monitor potassium levels. (3)

Illustration for DWII
J Am Acad Dermatol 1998; 39 (2) Supplement 2; S34-37. 

Could a topical anti-androgen be effective in treating AV? Dermatologists have been using topical ketoconazole for years treating seborrheic dermatitis, psoriasis, and dermatophytosis. Ketoconazole inhibits the biosynthesis of fungal ergosterol and is capable of selectively inhibiting 17,20-desmolase and 17-alpha-hydroxylase at a dose of 400-600 mg/day. Ketoconazole can also inhibit the growth of P. acnes and decrease P. acnes lipase activity in a dose-dependent manner. Although oral ketoconazole has been reported to improve AV (5), because of hepatotoxicity and potential QT prolongation, the drug should not be utilized for this purpose.

Chaottawornsak et al evaluated the efficacy and safety of ketoconazole cream in mild adult female acne (AFA) by conducting a randomized, double-blind, placebo-controlled trial using ketoconazole 2% and placebo cream twice daily for 10 weeks. They assessed the improvement of clinical severity, measured by AFA score graded by investigators and participants, and the change of acne count. Forty-one participants enrolled in the study. The proportion of participants with acne improvement from baseline (42.9% vs 9.5%, P = 0.015) and the success rate (45.0% vs 14.3%, P = 0.043) in the ketoconazole group were significantly higher than that of the placebo group. The most common adverse events were dryness and itching. The percentage change of acne count decreased significantly compared with baseline but did not differ statistically between the two groups. Limitations of this study were its short duration in subjects with only mild AV. The authors concluded that ketoconazole monotherapy showed a plausible effect in improving AFA with an excellent safety profile. They suggested that ketoconazole be considered a viable therapeutic option for patients with AFA treatment. (6) 

Oral spironolactone is only prescribed for women with acne and the topical ketoconazole study was only performed in women. Currently, no prescription topical antiandrogen is available for AV. Clascoterone cream (CB-03-01, Cortexolone 17α propionate), a novel topical androgen receptor inhibitor is currently under investigation for AV. (7) I have never hesitated prescribing topical ketoconazole for men with seborrheic dermatitis; I see no need to withhold this treatment if it proves to be efficacious for acne in men or women. More studies are warranted for determining if topical ketoconazole is beneficial in men or women with moderate to severe AV. How ironic it would be if a good option for treating acne has been in front of our noses for years (while using it on the sides of the nose)!

Point to Remember: While data are preliminary, topical ketoconazole cream may prove to be a valuable topical agent for acne vulgaris based on its inhibition of C. acnes lipase and anti-androgenic activity. 

Our Experts' Viewpoints

Joshua Zeichner, MD
Assistant Professor, Department of Dermatology
Mount Sinai Hospital, New York City

Despite being the number one reason that patients visit dermatologists, effective and tolerable acne treatments remain an unmet need. The currently available armamentarium of drugs is effective in the majority of patients, yet tolerability of topical agents like benzoyl peroxide limits their use in those with sensitive skin. Topical ketoconazole has been used for decades to treat both superficial tinea infections as well as seborrheic dermatitis. Besides its antifungal properties, recent data demonstrating antimicrobial effects against P. acnes suggests that ketoconazole is a potential therapeutic option to treat acne. Given its excellent tolerability profile, ketoconazole may be considered an alternative therapy to patients intolerant of traditional topical acne treatments. We are lacking head-to-head studies comparing ketoconazole to the currently available options, but initial studies yielded promising results. Studies are currently underway evaluating the effect of ketoconazole on the microbiome, and more research is needed to assess any impact on the sebaceous gland itself. However, given its historic widespread use in treating seborrhea without the emergence of negative health effects, the use of topical ketoconazole in the treatment of acne is likely safe as well.

Dr. Zeichner had disclosed financial relationships with the following to the AAD at the time of publication:, AbbVie, Galderma Laboratories, L.P., Johnson & Johnson Consumer Products Company, La Roche-Posay Laboratorie Pharmaceutique, L'Oreal USA Inc., Pfizer Inc., Sanofi/Regeneron, Sun Pharmaceutical Industries Ltd., Unilever, and Valeant Pharmaceuticals International. Full disclosure information is available at coi.aad.org.

  1. Barbieri JS, Choi J, James WD, Margolis DJ. Real world drug usage survival of spironolactone versus oral antibiotics for the management of female patients with acne. J Am Acad Dermatol 2019; 81: 848-851. 

  2. Cong TX, Hao D, Wen X, Li XH, et al. From pathogenesis of acne vulgaris to anti-acne agents. Arch Dermatol Res 2019; 311: 337-349. 

  3. Marson JW, Baldwin HE. An overview of acne therapy, part 2; Hormonal therapy and istotretinoin. Dermatol Clin 2019; 37: 195-203.

  4. Zaenglein AL. Acne vulgaris. N Engl J Med 2018; 379:1343-1352 .

  5. Unno M, Cho O, Sugita T. Inhibition of Propionibacterium acnes lipase activity by the antifungal agent ketoconazole. Microbiol Immunol 2017; 61: 42-44.

  6. Chottawornsak N, Chongpison Y, Asawanonda P, Kumtornut C. Topical 2% ketoconazole cream monotherapy significantly improves adult female acne: A double-blind, randomized placebo-controlled trial. J Dermatol 2019; 46: 1184-1189.

  7. Rosette C, Agan FJ, Mazetti A, Moro L, Geroloni M. Cortexolone 17α-propionate (Clascoteron) Is a Novel Androgen Receptor Antagonist That Inhibits Production of Lipids and Inflammatory Cytokines From Sebocytes In Vitro Drugs Dermatol 2019; 18: 412-418.


All content found on Dermatology World Insights and Inquiries, including: text, images, video, audio, or other formats, were created for informational purposes only. The content represents the opinions of the authors and should not be interpreted as the official AAD position on any topic addressed. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment.

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Benjamin Hidalgo-Matlock
Skin Care Physicians of Costa Rica

Clinica Victoria en San Pedro: 4000-1054
Momentum Escazu: 2101-9574

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Tuesday, October 20, 2020

Secukinumab reduce ACE 2

Journal Scan / Research · October 19, 2020

Secukinumab and Expression of ACE2 in Affected Skin of Patients With Psoriasis

Journal of Allergy and Clinical Immunology

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Abstract 

Secukinumab reduced the inflammation and the expression of ACE2, which encodes the SARS-CoV-2 receptor, in plaques of patients with psoriasis. Reductions in ACE2 expression with secukinumab significantly correlated with reductions in disease activity.

Journal of Allergy and Clinical Immunology
Secukinumab Lowers Expression of ACE2 in Affected Skin of Patients With Psoriasis
J. Allergy Clin. Immunol 2020 Sep 28;[EPub Ahead of Print], JG Krueger, DF Murrell, S Garcet, K Navrazhina, PC Lee, E Muscianisi, A Blauvelt

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Benjamin Hidalgo-Matlock
Skin Care Physicians of Costa Rica

Clinica Victoria en San Pedro: 4000-1054
Momentum Escazu: 2101-9574

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Sunday, October 18, 2020

Laser sin anestesia para PWS

Journal Scan / Research · October 13, 2020

Treatment Tolerance and Parental Perspective of Outpatient Pulsed-Dye Laser Treatment for Port-Wine Birthmark Without General Anesthesia in Infants and Toddlers

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Abstract

While there are robust data regarding the safety and efficacy of port-wine birthmark (PWB) treatment with pulsed dye laser (PDL) in early childhood,1,2 empiric data regarding pain, tolerability, and the parental perspective of in-office PDL treatment without general anesthesia are lacking. Understanding and quantifying these patient-centered outcomes and perspectives are critical to facilitate patient-clinician discussions and promote shared decision-making, especially given concerns of repeated general anesthesia's neurocognitive effects in young children.3

Journal of the American Academy of Dermatology
Assessment of Treatment Tolerance and Parental Perspective of Outpatient Pulsed-Dye Laser Treatment for Port-Wine Birthmark Without General Anesthesia in Infants and Toddlers
J Am Acad Dermatol 2020 Sep 30;[EPub Ahead of Print], H Feng, G Materne, S Ghalili, M Lederhandler, H Pomerantz, M Christman, LJ Bernstein, RG Geronemus 

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Benjamin Hidalgo-Matlock
Skin Care Physicians of Costa Rica

Clinica Victoria en San Pedro: 4000-1054
Momentum Escazu: 2101-9574

Please excuse the shortness of this message, as it has been sent from
a mobile device.