Advances in Dermatology: A Year in Review - 2021

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By Dr. Cather McKay

 

Our specialty continues to advance despite the pandemic, thanks to the hard work and dedication of researchers and leaders in the field. Here is a summary of some of the biggest news from the last year.



COVID-19

COVID-19 still affects our daily lives despite widely available and effective vaccines. As dermatologists, we are tasked with counseling our patients who are treated with disease-modifying drugs. Data published this year suggests that those on methotrexate are more likely to be hospitalized for COVID-19 than those on biologics1, apremilast (Otezla®) does not increase the risk of COVID-19 infection2, and dupilumab (Dupixent®) is associated with milder infection3.

At this time, the National Psoriasis Foundation COVID-19 Task Force recommends vaccination and a booster for psoriasis patients. In general, psoriasis treatment should be continued. Those on methotrexate may consider stopping medication for 2 weeks after an mRNA vaccine dose to improve response. Ultimately these decisions are best made between individual patients and their doctor. For up-to-date or more specific recommendations, visit the NPF website at psoriasis.org.



PSORIASIS

The FDA accepted a new drug application for tapinarof 1% cream, a novel once-daily aryl hydrocarbon receptor modulating agent (TAMA), making commercial access likely in the near future.

Oral deucravacitinib is a first-in-class tyrosine kinase 2 (TYK2) inhibitor showing superiority to apremilast in phase 3 trials4. Orismilast, an oral PDE4-inhibitor, is in the pipeline for not only psoriasis but also atopic dermatitis and hidradenitis suppurativa. Topical PDE4-inhibitor roflumilast cream shows promise as well5.

IL17-A and F inhibitor bimekizumab has performed well in trials for psoriasis6, and is under investigation for psoriatic arthritis, ankylosing spondylitis, and hidradenitis suppurativa7.

Options for pediatric patients expanded with the approval of secukinumab (Cosentyx®) for those six years and older. IL-23 inhibitor risankizumab (Skyrizi®) received approval for psoriatic arthritis in Europe this year, and approval in the US may not be far behind.



ATOPIC DERMATITIS

A victory for JAK inhibitors occurred with the recent approval of topical JAK1/2 inhibitor ruxolitinib (Opzelura®) for atopic dermatitis (AD) in age 12 years and up. The data is favorable for vitiligo as well8. Investigations into pan-JAK inhibitor delgocitinib ointment for AD for ages 2 years and up are also under way9.

Oral JAK inhibitors for AD remain just outside of reach at least in part due to new black box warnings. A post-marketing study of tofacitinib (Xeljanz ®) compared to TNF inhibitors in patients with rheumatoid arthritis led to the FDA revising the warning to include increased risks of serious heart-related events, cancer, blood clots and death10. The warning applies to JAK inhibitors for RA and ulcerative colitis: tofacitinib, baricitinib (Olumiant®) and upadacitinib (Rinvoq®). The expanded approval of upadacitinib for atopic dermatitis has therefore been delayed since the summer.

Dupilumab (Dupixent®) appears safe and effective for patients with AD down to the age of six months in phase 3 trials11. Furthermore, dupilumab shows success for prurigo nodularis12, and chronic spontaneous urticaria13.

IL-13 inhibitor tralokinumab continues to do well in trials for adults and adolescent patients14. Other novel treatment targets on the horizon include transient receptor potential vanilloid subfamily V member 1 (TRPV1; asivatrep cream)15 and, sphingosine 1-phosphate receptor 1 (S1p1; oral etrasimod)16, and OX40.



CHRONIC SPONTANEOUS URTICARIA

A meta-analysis published this year suggests that ligelizumab and omalizumab (Xolair®) provide moderate improvement for chronic spontaneous urticaria in patients refractory to H1 antihistamine therapy, while dapsone, hydroxychloroquine, cyclosporine, and zafirlukast, showed only small beneficial effects17. Dupilumab may add another treatment option in the future based on phase 3 trial results12.



ITCH

Difelikefalin (KorsuvaTM), an injectable kappa opioid receptor, was approved in August for pruritus in patients on hemodialysis18. Odevixibat (Bylvay™), a bile acid transporter inhibitor was also approved for pruritus in patients aged ≥ 3 months with progressive familial intrahepatic cholestasis, with investigation into other causes of cholestatic pruritus ongoing19.


SUN PROTECTION

The independent laboratory Valisure announced it detected high levels of contaminant and known carcinogen benzene in select sunscreens. More recently, benzene was found in other aerosol products, including antiperspirants and antifungal sprays. These findings have led to recalls, uneasiness among patients, and stricter regulation by the FDA.



CUTANEOUS ONCOLOGY

Non-Melanoma Skin Cancer (NMSC)

The American Academy of Dermatology published guidelines on the management of actinic keratoses (AKs) in April of this year with strong recommendations for the use of UV protection, cryosurgery, topical imiquimod, and 5-fluorouracil20. The microtubule inhibitor tirbanibulin (Klisyri®) used once daily for five days for the treatment of AKs of the face or scalp also came to market this year.

A slight increased risk of NMSC was demonstrated in patients over age 65 on thiazide diuretics21, while metformin may be associated with a decreased risk of basal cell carcinoma (BCC)22. Cemipilumab was approved for advanced BCC earlier this year, for those who fail or are not candidates for hedgehog inhibitors23.


Melanoma

Skin cancer screening came under scrutiny when an editorial in the NEJM questioned the utility, suggesting that an increase in biopsies and melanoma diagnoses have not resulted in a decrease in mortality as would be expected24. Interestingly, a study showed lower overall mortality, but not melanoma-specific mortality, associated with melanoma diagnosed through routine skin checks25.

Pembrolizumab (Keytruda®) was just approved as adjuvant treatment for patients age 12 years and up with resected stage IIB and IIC melanoma26. Previously, observation alone was recommended.

Novel treatments aimed at harnessing the immune system to target melanoma are generating interest, including chimeric antigen receptor (CAR) T-cell therapies and a universal cancer vaccine in combination with immunotherapy27.


Cutaneous T-cell Lymphoma (CTCL)

Overall survival for stage IA to IIA CTCL patients with both clonal T-cell receptor rearrangement and an abnormal T-cell population on peripheral blood flow cytometry was shown to be lower than for those with negative results for both in a retrospective cohort28.

Low-dose total skin electron beam therapy with a novel rotational technique demonstrated rapid and lasting results in a cohort of 20 patients with CTCL29. Positive results were also shown using the photosensitizer hypericin followed by specific wavelengths of visible light in early stage CTCL30.



ACNE and ROSACEA

A combination tretinoin and benzoyl peroxide cream (Twyneo®) was approved for acne in July. Major changes in iPledge occurred as of December 13, 2021. There are now two pregnancy categories instead of three: patients who can get pregnant, and patients who cannot get pregnant. Secondly, iPledge transitioned to a fully digital enrollment and consent process that must be completed at the time of the visit.



COSMETICS

A rise in the incidence of delayed inflammatory reactions to hyaluronic acid filler after COVID-19 vaccinations and infections came as a surprise to many. Activation of angiotensin-converting enzyme receptor (ACE2) by the spike protein is one proposed mechanism for this reaction. Munavalli, et al, demonstrated effective treatment with the ACE-inhibitor lisinopril in a series of patients31.

Galderma’s Restylane® Contour made its debut for cheek augmentation and midface contour. Restylane® Defyne also received expanded indication for chin augmentation. Additionally, Radiesse® is now indicated for the jawline.




The members of the Women’s Dermatologic Society’s Editorial Committee hope you find this and all editorials helpful for your practice. We wish you safe, healthy, and happy holidays, and a happy new year!



References

  1. Kridin K, Schonmann Y, Tzur Bitan D, et al. Coronavirus Disease 2019 (COVID-19)-Associated Hospitalization and Mortality in Patients with Psoriasis: A Population-Based Study. Am J Clin Dermatol. 2021;22(5):709-718.
  2. Lytvyn Y, Georgakopoulos JR, Mufti A, et al. Incidence and prognosis of COVID-19 in patients with psoriasis on apremilast: a multicentre retrospective cohort study. J Eur Acad Dermatol Venereol. 2021 Oct 17:10.1111/jdv.17749
  3. Ungar B, Glickman JW, Golant AK, et al. COVID-19 Symptoms Are Attenuated in Moderate-to-Severe Atopic Dermatitis Patients Treated with Dupilumab. J Allergy Clin Immunol Pract. 2021 Nov 1:S2213-2198(21)01203-4.
  4. Armstrong A, et al. Efficacy and safety of deucravacitinib, an oral, selective tyrosine kinase 2 (TYK2) inhibitor, compared with placebo and apremilast in moderate to severe plaque psoriasis: Results from the POETYK PSO-1 study. Presented at: AAD VMX 2021; April 23-25, 2021 (virtual meeting).
  5. Gooderham M, et al. Roflumilast cream 0.3% improved the severity and impact of itch in patients with chronic plaque psoriasis in the phase 3 DERMIS-1 and DERMIS-2 studies. Presented at: European Academy of Dermatology and Venereology Congress; Sept. 29-Oct. 2, 2021 (virtual meeting).
  6. Gordon KB, Foley P, Krueger JG, et al. Bimekizumab efficacy and safety in moderate to severe plaque psoriasis (BE READY): a multicentre, double-blind, placebo-controlled, randomised withdrawal phase 3 trial. Lancet. 2021 Feb 6;397(10273):475-486.
  7. Glatt S, Jemec GBE, Forman S, et al. Efficacy and Safety of Bimekizumab in Moderate to Severe Hidradenitis Suppurativa: A Phase 2, Double-blind, Placebo-Controlled Randomized Clinical Trial. JAMA Dermatol. 2021 Nov 1;157(11):1279-1288.
  8. Rosmarin D, et al. Efficacy and safety of ruxolitinib cream for the treatment of vitiligo: 24-week results from 2 randomized, double-blind phase 3 studies. Presented at: European Academy of Dermatology and Venereology Congress; Sept. 29-Oct. 2, 2021 (virtual meeting).
  9. Nakagawa, Hidemi et al. Delgocitinib ointment in pediatric patients with atopic dermatitis: A phase 3, randomized, double-blind, vehicle-controlled study and a subsequent open-label, long-term study. J Am Acad Dermatol. 2021, Volume 85, Issue 4, 854 – 862.
  10. FDA requires warnings about increased risk of serious heart-related events, cancer, blood clots, and death for JAK inhibitors that treat certain chronic inflammatory conditions. FDA; December 7, 2021. Accessed December 13, 2021. https://www.fda.gov/drugs/drug-safety-and-availability/fda-requires-warnings-about-increased-risk-serious-heart-related-events-cancer-blood-clots-and-death
  11. Paller AS, Siegfried EC, Simpson EL, et al.. A phase 2, open-label study of single-dose dupilumab in children aged 6 months to <6 years with severe uncontrolled atopic dermatitis: pharmacokinetics, safety and efficacy. J Eur Acad Dermatol Venereol. 2021 Feb;35(2):464-475.
  12. Dupixent® (dupilumab) is the first biologic to significantly reduce itch and skin lesions in phase 3 trial for prurigo nodularis, demonstrating the role of type 2 inflammation in this disease [news release]. Regeneron; October 22, 2021. Accessed October 22, 2021. https://investor.regeneron.com/news-releases/news-release-details/dupixentr-dupilumab-first-biologic-significantly-reduce-itch-and
  13. Dupixent® (dupilumab) significantly improved itch and hives in patients with chronic spontaneous urticaria, a step forward in demonstrating the role of type 2 inflammation in these patients [news release]. Regeneron; July 29 2021. Accessed December 11, 2021. https://www.sanofi.com/en/media-room/press-releases/2021/2021-07-29-07-00-00-2270858
  14. Wollenberg A, Blauvelt A, Guttman-Yassky E, et al. Tralokinumab for moderate-to-severe atopic dermatitis: results from two 52-week, randomized, double-blind, multicentre, placebo-controlled phase III trials (ECZTRA 1 and ECZTRA 2). Br J Dermatol. 2021 Mar;184(3):437-449.
  15. Park CW, Kim BJ, Lee YW, et al. Asivatrep, a TRPV1 antagonist, for the topical treatment of atopic dermatitis: Phase 3, randomized, vehicle-controlled study (CAPTAIN-AD). J Allergy Clin Immunol. 2021 Oct 2:S0091-6749(21)01456-1.
  16. Guttman E. A Novel, Oral, Selective Sphingosine 1-Phosphate Receptor Modulator, Improves Patient and Clinician Reported Outcomes in Adults with Moderate-to-Severe Atopic Dermatitis in a Randomized, Double-Blind, Placebo-Controlled Phase 2 study (ADVISE). Presented at the: American Academy of Dermatology Virtual Meeting Experience 2021 (AAD VMX); Virtual.
  17. Nochaiwong S, Chuamanochan M, Ruengorn C, et al. Evaluation of Pharmacologic Treatments for H1 Antihistamine–Refractory Chronic Spontaneous Urticaria: A Systematic Review and Network Meta-analysis. JAMA Dermatol. 2021;157(11):1316–1327.
  18. Vernon M, Ständer S, Munera C, Spencer RH, Menzaghi F. Clinically meaningful change in itch intensity scores: An evaluation in patients with chronic kidney disease-associated pruritus. J Am Acad Dermatol. 2021 Apr;84(4):1132-1134.
  19. Deeks ED. Odevixibat: First Approval [published correction appears in Drugs. 2021 Sep 23;:]. Drugs. 2021;81(15):1781-1786.
  20. Eisen DB, Asgari MM, Bennett DD, et al. Guidelines of care for the management of actinic keratosis. J Am Acad Dermatol. 2021 Oct;85(4):e209-e233.
  21. Drucker AM, Hollestein L, Na Y, et al. Association between antihypertensive medications and risk of skin cancer in people older than 65 years: a population-based study. CMAJ. 2021 Apr 12;193(15):E508-E516.
  22. Adalsteinsson JA, Muzumdar S, Waldman R, et al. Metformin is associated with decreased risk of basal cell carcinoma: A whole-population case-control study from Iceland. J Am Acad Dermatol. 2021 Jul;85(1):56-61.
  23. Stratigos AJ, Sekulic A, Peris K, et al. Cemiplimab in locally advanced basal cell carcinoma after hedgehog inhibitor therapy: an open-label, multi-centre, single-arm, phase 2 trial. Lancet Oncol. 2021 Jun;22(6):848-857.
  24. Welch HG, Mazer BL, Adamson AS. The Rapid Rise in Cutaneous Melanoma Diagnoses. N Engl J Med. 2021 Jan 7;384(1):72-79.
  25. Watts CG, McLoughlin K, Goumas C, et al. Association Between Melanoma Detected During Routine Skin Checks and Mortality. JAMA Dermatol. Published online November 03, 2021.
  26. FDA Approves Merck’s KEYTRUDA® (pembrolizumab) as Adjuvant Treatment for Adult and Pediatric (≥12 Years of Age) Patients With Stage IIB or IIC Melanoma Following Complete Resection. Merck; December 3, 2021. Accessed December 12, 2021. https://www.merck.com/news/fda-approves-mercks-keytruda-pembrolizumab-as-adjuvant-treatment-for-adult-and-pediatric-%E2%89%A512-years-of-age-patients-with-stage-iib-or-iic-melanoma-following-complete-resectio/
  27. Kjeldsen JW, Lorentzen CL, Martinenaite E, et al. A phase 1/2 trial of an immune-modulatory vaccine against IDO/PD-L1 in combination with nivolumab in metastatic melanoma. Nat Med. 2021 Dec 9.
  28. Marks JA, Switchenko JM, Martini DJ, et al. T-Cell Receptor Gene Rearrangement Clonality, Flow Cytometry Status, and Associated Outcomes in Early-Stage Cutaneous T-Cell Lymphoma. JAMA Dermatol. 2021;157(8):954–962.
  29. Newman NB, Patel CG, Ding GX, et al. Prospective observational trial of low-dose skin electron beam therapy in mycosis fungoides using a rotational technique. J Am Acad Dermatol. 2021 Jul;85(1):121-127.
  30. Kim EJ, et al. Visible light activated topical hypericin ointment in CTCL: phase 3 FLASH study results. Presented at: AAD VMX 2021; April 23-25, 2021 (virtual meeting).
  31. Munavalli GG, Knutsen-Larson S, Lupo MP, Geronemus RG. Oral angiotensin-converting enzyme inhibitors for treatment of delayed inflammatory reaction to dermal hyaluronic acid fillers following COVID-19 vaccination-a model for inhibition of angiotensin II-induced cutaneous inflammation. JAAD Case Rep. 2021 Apr;10:63-68. 
 

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