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Ch'en PY, Konisky H, Kobets K. Alopecia areata does not increase the risk of venous thromboembolism: an All of Us case-control study. Arch Dermatol Res 2024; 316:574. [PMID: 39180570 DOI: 10.1007/s00403-024-03306-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2024] [Revised: 07/04/2024] [Accepted: 08/05/2024] [Indexed: 08/26/2024]
Abstract
Alopecia areata (AA) is an autoimmune disease driven by cytokine dysregulation resulting in hair loss, and recent data suggests inflammation may be occurring systemically. This systemic increase in inflammatory cytokines may increase the incidence of thrombotic events, including deep vein thrombosis, stroke, myocardial infarction, and pulmonary embolism. As the use of JAK inhibitors for AA becomes more common, it is important to further investigate this potential relationship to prevent exacerbation of such events. The purpose of this case-control study was to determine if there is an increased association between thrombotic events and alopecia areata using the All of Us database. We matched 926 patients with AA 4:1 to controls without any alopecia, and we found that there was a statistically significant increase in the incidence of venous thromboembolism (VTE) in patients with AA (p = 0.009). Multivariable conditional logistic regression was then used to estimate the odds of AA in relation to VTE, controlling for common hypercoagulable factors (atrial fibrillation, estrogen replacement, obesity, malignancy, pregnancy, and smoking history). We found that after controlling for these risk factors, there was no significant difference in the incidence in VTE between those with and without AA (OR: 1.549, CR 95% (0.862, 2.783)). While recent reports have suggested alopecia areata to be significantly associated with venous thromboembolisms, we did not observe a significant association after controlling for hypercoagulable factors.
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Affiliation(s)
- Peter Y Ch'en
- Albert Einstein College of Medicine, Montefiore Medical Center, 1300 Morris Park Ave, 10461, Bronx, NY, USA
| | - Hailey Konisky
- Albert Einstein College of Medicine, Montefiore Medical Center, 1300 Morris Park Ave, 10461, Bronx, NY, USA.
| | - Kseniya Kobets
- Albert Einstein College of Medicine, Montefiore Medical Center, 1300 Morris Park Ave, 10461, Bronx, NY, USA
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Sibbald C, Castelo-Soccio L. Review of global epidemiology data for alopecia areata highlights gaps and a call for action. Br J Dermatol 2024; 191:315-316. [PMID: 38426530 DOI: 10.1093/bjd/ljae088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 05/03/2024] [Indexed: 03/02/2024]
Affiliation(s)
- Cathryn Sibbald
- Division of Dermatology, Department of Paediatrics, SickKids Hospital, Toronto, ON, Canada
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada
| | - Leslie Castelo-Soccio
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, MD, USA
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Suzuki M, Mineharu Y, Okawa M, Yoshida K, Nagata M, Yang T, Suzuki K, Takayama N, Yamamoto Y, Tabara Y, Miyamoto S, Arakawa Y, Matsuda F. Common and distinct risk profiles of asymptomatic extra- and intracranial atherosclerosis in the Nagahama cohort. J Stroke Cerebrovasc Dis 2024:107782. [PMID: 38777218 DOI: 10.1016/j.jstrokecerebrovasdis.2024.107782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 05/15/2024] [Accepted: 05/19/2024] [Indexed: 05/25/2024] Open
Abstract
BACKGROUND AND PURPOSE Atherosclerotic burden increases the risk of both extracranial internal carotid artery stenosis (ICS) and intracranial large artery disease (ICAD). However, the differences in risk profiles have not been thoroughly investigated. METHODS Participants were recruited from the Nagahama study cohort in Japan. Individuals over 60 years old who underwent 1.5-T head and neck magnetic resonance angiography (MRA) between July 2013 and February 2017 were included. ICAD was defined as WASID ≥ 50%, and ICS was defined as NSCET ≥ 30%. The prevalence and association of risk factors, including proatherogenic and proinflammatory factors, and the p.R4810K variant in the RNF213 gene, were investigated. Multivariable logistic regression analyses were performed. RESULTS A total of 3089 individuals participated in the study, with a mean age of 68.1 ± 5.3 years, and 36.0% were males. Among them, 52 (1.7%) had ICS, 119 (3.8%) had ICAD, and 15 (0.49%) had both conditions. Alopecia areata was an independent predictor for both ICS (Odds ratio [OR] 3.5; 95% CI 1.3-8.3) and ICAD (OR 2.1; 95% CI 1.0-3.9). Diabetes (OR 3.7; 95% CI 2.0-7.0) and older age (OR 2.4; 95% CI 1.2-4.5) were associated only with ICS, while the RNF213 variant was associated with only ICAD (OR 5.7; 95% CI 1.6-16.0). ICS and ICAD were also independently associated with each other. CONCLUSIONS In this MRA-based large scale study, alopecia areata, known as a systemic inflammatory disease, was shown to be a common risk factor for ICS and ICAD. While conventional atherosclerotic factors were associated with ICS, non-atherosclerotic factors appear to contribute to ICAD in Japan.
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Affiliation(s)
- Megumu Suzuki
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Yohei Mineharu
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Artificial Intelligence in Healthcare and Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Masakazu Okawa
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Kazumichi Yoshida
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan; Department of Neurosurgery, Shiga University of Medical Science, Shiga, Japan.
| | - Manabu Nagata
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Tao Yang
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Keita Suzuki
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Naoki Takayama
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Yu Yamamoto
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Yasuhiro Tabara
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan; Graduate School of Public Health, Shizuoka Graduate University of Public Health, Shizuoka, Japan.
| | - Susumu Miyamoto
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Yoshiki Arakawa
- Department of Neurosurgery, Kyoto University Graduate School of Medicine, Kyoto, Japan.
| | - Fumihiko Matsuda
- Center for Genomic Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan.
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King B, Soung J, Tziotzios C, Rudnicka L, Joly P, Gooderham M, Sinclair R, Mesinkovska NA, Paul C, Gong Y, Anway SD, Tran H, Wolk R, Zwillich SH, Lejeune A. Integrated Safety Analysis of Ritlecitinib, an Oral JAK3/TEC Family Kinase Inhibitor, for the Treatment of Alopecia Areata from the ALLEGRO Clinical Trial Program. Am J Clin Dermatol 2024; 25:299-314. [PMID: 38263353 PMCID: PMC10867086 DOI: 10.1007/s40257-024-00846-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/16/2024] [Indexed: 01/25/2024]
Abstract
BACKGROUND The ALLEGRO phase 2a and 2b/3 studies demonstrated that ritlecitinib, an oral JAK3/TEC family kinase inhibitor, is efficacious at doses of ≥ 30 mg in patients aged ≥ 12 years with alopecia areata (AA). OBJECTIVE The objective of this study was to evaluate the safety of ritlecitinib in an integrated analysis of four studies in AA. METHODS Two cohorts were analyzed: a placebo-controlled and an all-exposure cohort. Proportions and study size-adjusted incidence rates (IRs) of adverse events (AEs) of interest and laboratory abnormalities are reported. RESULTS In the placebo-controlled cohort (n = 881; median exposure: 169 days), the proportion of ritlecitinib-treated patients with AEs was 70.2-75.4% across doses versus 69.5% in the placebo group; serious AEs occurred in 0-3.2% versus 1.9% for the placebo. A total of 19 patients permanently discontinued due to AEs (5 while receiving the placebo). In the all-exposure cohort (n = 1294), median ritlecitinib exposure was 624 days [2091.7 total patient-years (PY)]. AEs were reported in 1094 patients (84.5%) and serious AEs in 57 (4.4%); 78 (6.0%) permanently discontinued due to AEs. The most common AEs were headache (17.7%; 11.9/100 PY), severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) positive test (15.5%; 9.8/100 PY), and nasopharyngitis (12.4%; 8.2/100 PY). There were two deaths (breast cancer and acute respiratory failure/cardiorespiratory arrest). Proportions (IRs) were < 0.1% (0.05/100 PY) for opportunistic infections, 1.5% (0.9/100 PY) for herpes zoster, 0.5% (0.3/100 PY) for malignancies (excluding nonmelanoma skin cancer), and 0.2% (0.1/100 PY) for major adverse cardiovascular events. CONCLUSIONS Ritlecitinib is well tolerated with an acceptable safety profile up to 24 months in patients aged ≥ 12 years with AA (video abstract and graphical plain language summary available). TRIAL REGISTRIES ClinicalTrials.gov: NCT02974868 (date of registration: 11/29/2016), NCT04517864 (08/18/2020), NCT03732807 (11/07/2018), and NCT04006457 (07/05/2019).
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Affiliation(s)
- Brett King
- Yale School of Medicine, New Haven, CT, USA
| | | | | | - Lidia Rudnicka
- Department of Dermatology, Medical University of Warsaw, Warsaw, Poland
| | - Pascal Joly
- Rouen University Hospital, INSERM 1234, Normandie University, Rouen, France
| | - Melinda Gooderham
- Skin Centre for Dermatology, Canada Probity Medical Research, Waterloo, ON, Canada
| | | | - Natasha A Mesinkovska
- Department of Dermatology and Dermatopathology, School of Medicine, University of California, Irvine, CA, USA
| | - Carle Paul
- Department of Dermatology, Toulouse University and INSERM infinity U1291, Toulouse, France
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