RESUMEN
BACKGROUND: The Patient-Oriented Eczema Measure (POEM) is the recommended core outcome instrument for atopic dermatitis (AD) symptoms. POEM is reported by recalling the presence/absence of seven symptoms in the last 7 days. OBJECTIVE: To evaluate measurement errors in POEM recordings due to imperfect recall. METHODS: Using data from a clinical trial of 247 AD patients aged 12-65 years, we analysed the reported POEM score (r-POEM) and the POEM derived from the corresponding daily scores for the same seven symptoms without weekly recall (d-POEM). We quantified recall error by comparing the r-POEM and d-POEM for 777 patient-weeks collected from 207 patients, and estimated two components of recall error: (1) recall bias due to systematic errors in measurements and (2) recall noise due to random errors in measurements, using a bespoke statistical model. RESULTS: POEM scores have a relatively low recall bias, but a high recall noise. Recall bias was estimated at 1.2 points lower for the r-POEM on average than the d-POEM, with a recall noise of 5.7 points. For example, a patient with a recall-free POEM of 11 (moderate) could report their POEM score anywhere from 5 to 14 (with 95% probability) because of recall error. Model estimates suggested that patients tend to recall itch and dryness more often than experienced (positive bias of less than 1 day), but less often for the other symptoms (bleeding, cracking, flaking, oozing/weeping and sleep disturbance; negative bias ranging 1-4 days). CONCLUSIONS: In this clinical trial data set, we found that patients tended to slightly underestimate their symptoms when reporting POEM, with significant variation in how well they were able to recall the frequency of their symptoms every time they reported POEM. A large recall noise should be taken into consideration when interpreting POEM scores.
Asunto(s)
Dermatitis Atópica , Eccema , Humanos , Medición de Resultados Informados por el Paciente , Dermatitis Atópica/diagnóstico , Prurito/diagnóstico , Prurito/etiología , Llanto , Eccema/diagnóstico , Índice de Severidad de la Enfermedad , Calidad de VidaRESUMEN
BACKGROUND: High-quality patient-reported outcome (PRO) measures for dialysis patients with chronic pruritus are urgently needed. However, no known, well-validated multidimensional tools have been investigated to measure pruritus symptoms in dialysis patients. OBJECTIVES: To examine the psychometric properties of a multidimensional tool of chronic pruritus, the Uraemic Pruritus in Dialysis patients (UP-Dial) 14-item scale, by comparing haemodialysis and peritoneal dialysis modality. METHODS: This validation study used data from the Thai Renal Outcomes Research-Uraemic Pruritus, a prospective, multicentre, longitudinal study. Data for this study were collected from 1 February 2019 to 31 May 2022. The adult sample of 226 haemodialysis and 327 peritoneal dialysis patients fulfilled the criteria of chronic pruritus based on the International Forum for the Study of Itch. Psychometric properties of the UP-Dial included validity and reliability, as measured across haemodialysis and peritoneal dialysis patients. Patients completed a set of anchor-based measurement tools, including global itching, Dermatology Life Quality Index (DLQI), EuroQoL-5 dimension-5 level (EQ-5D-5L), Kidney Disease Quality of Life-36 (KDQOL-36), Pittsburgh Sleep Quality Index (PSQI), global fatigue, Somatic Symptom Scale-8 (SSS-8) and Patient Health Questionnaire-9 (PHQ-9). RESULTS: From the patient's perspective, face validity was satisfactory for both dialysis samples. Psychometric analyses of the UP-Dial for each dialysis sample had good convergent validity. Spearman rho correlations indicate a positively strong correlation (0.73-0.74) with global itching, a positively moderate correlation (0.33-0.58) with DLQI, PSQI, global fatigue, SSS-8 and PHQ-9, and a negatively moderate correlation (-0.39 to -0.58) with EQ-5D-5L and KDQOL-36. The discriminant validity was satisfactory with a group of moderate and severe burden of pruritus for both dialysis samples. For scale reliability, the UP-Dial revealed excellent internal consistency (Cronbach's α = 0.89 and McDonald's ω = 0.90) and reproducibility (intraclass correlation 0.84-0.85) for both dialysis samples. Regarding psychometric properties, no statistically significant differences between dialysis samples were observed (all P > 0.05). CONCLUSIONS: The findings reaffirm good measurement properties of the UP-Dial 14-item scale in haemodialysis and peritoneal dialysis patients with chronic pruritus. These suggest a transferability of the UP-Dial as a PRO measure in clinical trial and practice settings.
Itch is a common symptom in chronic kidney disease, especially for people experiencing end-stage kidney disease and receiving dialysis. Itching among dialysis patients can present and affect any part of the body. Although there has been improvement in dialysis treatment over time, chronic itching (itching lasting more than 6 weeks) remains under-recognized in dialysis patients. In recent years, a specific clinical tool called the Uraemic Pruritus in Dialysis patients (UP-Dial) has been developed to assess the severity and burden of itching in dialysis patients. However, a comprehensive tool for evaluating itching symptoms has yet to be tested in a large dialysis population (haemodialysis and peritoneal dialysis). We examined and validated the measurement properties of the UP-Dial scale in an adult sample of 226 haemodialysis and 327 peritoneal dialysis patients with chronic itching. Our study found that the UP-Dial had good measurement properties for evaluating the burden of itching symptoms among haemodialysis and peritoneal dialysis patients with chronic itching. Our findings support the use of UP-Dial to compare treatments for chronic itching clinical trials and track treatment responses in daily practice.
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Medición de Resultados Informados por el Paciente , Diálisis Peritoneal , Prurito , Psicometría , Calidad de Vida , Diálisis Renal , Humanos , Prurito/etiología , Prurito/diagnóstico , Prurito/psicología , Prurito/terapia , Femenino , Masculino , Diálisis Peritoneal/efectos adversos , Diálisis Peritoneal/psicología , Persona de Mediana Edad , Diálisis Renal/efectos adversos , Estudios Prospectivos , Reproducibilidad de los Resultados , Estudios Longitudinales , Adulto , Anciano , Uremia/terapia , Uremia/complicaciones , Uremia/diagnóstico , Enfermedad Crónica , Índice de Severidad de la Enfermedad , Tailandia , Fallo Renal Crónico/terapia , Fallo Renal Crónico/complicaciones , Fallo Renal Crónico/psicologíaRESUMEN
BACKGROUND: A multitude of factors may influence fatigue in psoriasis and psoriatic arthritis (PsA); however, their individual fatigue components have not been thoroughly examined. OBJECTIVES: To explore characteristics of fatigue and its potential drivers in a cohort of patients with psoriasis with or without PsA. METHODS: Adults with psoriasis and a nonpsoriasis control group completed the Multidimensional Fatigue Inventory-20 questionnaire. Patients with psoriasis also reported joint pain intensity, pruritus, skin pain, and sleep problems using a numerical rating scale. Linear regression models were applied to continuous outcomes, and beta coefficients (ß) for the slopes were estimated with 95% confidence intervals (CIs). RESULTS: Among 2741 adults with psoriasis (of which 593 also had PsA) and 3788 controls, the impact on total fatigue was greatest for PsA (ß = 5.22; 95% CI, 3.55-6.90), followed by psoriasis (ß = 2.10; 95% CI, 0.96-3.25), compared with the general population (Ptrend < .0001). Among patients with psoriasis with or without PsA, increasing joint pain intensity was associated with overall fatigue (ß = 2.23 [95% CI, 2.03-2.44] for each 1-point increase in joint pain numerical rating scale score). LIMITATIONS: We lacked information on the effect of pharmacotherapy. CONCLUSIONS: These findings highlight the importance of a symptom-based approach when treating psoriasis, rather than focusing on objective severity measures alone.
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Artritis Psoriásica , Fatiga , Psoriasis , Índice de Severidad de la Enfermedad , Humanos , Artritis Psoriásica/complicaciones , Fatiga/etiología , Fatiga/epidemiología , Fatiga/diagnóstico , Masculino , Femenino , Estudios Transversales , Persona de Mediana Edad , Psoriasis/complicaciones , Adulto , Artralgia/etiología , Artralgia/diagnóstico , Artralgia/epidemiología , Encuestas y Cuestionarios , Estudios de Casos y Controles , Anciano , Prurito/etiología , Prurito/epidemiología , Prurito/diagnósticoRESUMEN
Scalp psoriasis affects approximately 80% of patients with psoriasis and can negatively impact their quality of life. This post hoc analysis of the VOYAGE 2 Phase III randomized clinical trial evaluated scalp response to guselkumab treatment and its association with skin response and patient-reported outcomes. The study included patients with moderate-to-severe plaque psoriasis and baseline scalp psoriasis who were initially randomized to receive guselkumab. Patients were divided into 3 groups based on their achievement of a Psoriasis Area and Severity Index 90 response at week 28: responder continuation, non-responder continuation and responder withdrawal. In all 3 groups, mean Psoriasis Area and Severity Index head and scalp-specific Investigator's Global Assessment scores improved through week 28. In the responder withdrawal group, these scores worsened after treatment withdrawal at week 28, but remained stable through week 48 in both continuation groups. Trends in Dermatology Life Quality Index and Psoriasis Symptoms and Signs Diary itch scores mirrored those of mean scalp-specific Investigator's Global Assessment scores through week 48. Within-subject correlations were 0.83 between scalp-specific Investigator's Global Assessment and Psoriasis Area and Severity Index head scores and 0.78 between scalp-specific Investigator's Global Assessment and Psoriasis Symptoms and Signs Diary itch scores. Through week 252, Psoriasis Area and Severity Index head scores remained stable in the responder continuation group, improved in the non-responder continuation group and rapidly improved by week 84 in the responder withdrawal group after retreatment.
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Psoriasis , Calidad de Vida , Humanos , Cuero Cabelludo , Psoriasis/diagnóstico , Psoriasis/tratamiento farmacológico , Anticuerpos Monoclonales Humanizados/efectos adversos , Prurito/diagnóstico , Prurito/tratamiento farmacológico , Prurito/etiologíaRESUMEN
Anhedonia, the reduced ability to experience pleasure, is a prevalent symptom in various psychiatric disorders, but has not been investigated in dermatological conditions, particularly those characterized by chronic itch. This study aimed to examine the prevalence and clinical correlates of anhedonia in patients with chronic itch. A cross-sectional study was conducted in 137 patients with chronic itch, classified according to the International Forum for the Study of Itch (IFSI) classification. Anhedonia was assessed using the Snaith-Hamilton Pleasure Scale (SHAPS) and Anticipatory and Consummatory Interpersonal Pleasure Scale (ACIPS). Itch severity, quality of life, and psychological distress were assessed using the Visual Analogue Scale (VAS), Verbal Rating Scale (VRS), ItchyQoL, and Hospital Anxiety and Depression Scale (HADS), respectively. The mean SHAPS score was 1.0 ± 1.7 points, and the mean ACIPS total score was 76.9 ± 16.2 points. In the study sample, 13.1% of patients were identified as anhedonic, with a higher prevalence observed in those with severe and very severe itch. Anhedonia was significantly correlated with itch severity (R = 0.2, p=0.02 for 24 h VASmean and SHAPS; R = 0.2, p = 0.01 for 24 h VASmax and SHAPS), anxiety symptoms (R = 0.3, p < 0.001 for SHAPS and HADS-anxiety), depression symptoms (R = 0.4, p < 0.001 for SHAPS and HADS-depression), and impairment in quality of life (R = 0.2, p = 0.014 for SHAPS and ItchyQoL). Anhedonia is a significant and prevalent aspect of psychological distress in patients with chronic itch. Addressing this symptom may not only improve patients' overall mental health but also enhance the effectiveness of treatments for chronic itch. Future research is needed to elucidate further the mechanisms underlying the relationship between anhedonia and chronic itch and to develop targeted interventions for this population.
Asunto(s)
Anhedonia , Placer , Prurito , Calidad de Vida , Índice de Severidad de la Enfermedad , Humanos , Prurito/psicología , Prurito/diagnóstico , Prurito/epidemiología , Femenino , Masculino , Persona de Mediana Edad , Estudios Transversales , Enfermedad Crónica , Adulto , Anciano , Prevalencia , Distrés PsicológicoRESUMEN
Atopic dermatitis is a cutaneous inflammatory disease characterized by intense pruritus, which is often underestimated despite its direct impact on patients' health-related quality of life and the high burden it poses. The authors' goal was to design a qualitative tool to guide patients and healthcare professionals in their assessment and interpretation of pruritus intensity using a numerical rating scale. The draft of this tool, henceforth "guideline", was developed based on a systematic literature review and focus groups comprising patients and a scientific committee. This draft was validated with an independent group of patients and the final version was designed following their feedback. According to the results of the systematic review, pruritus impacts 6 health-related quality of life domains: sleep quality; emotional status; overall health-related quality of life; physical function; social/sexual activity; productivity, particularly affecting sleep quality and the emotional domain. Patients considered that physical function was the most strongly affected domain, followed by sleep quality and emotional well-being, establishing that a minimum pruritus intensity of 4 and 7 points impacts moderately and severely, respectively, on the different domains of patients' health- related quality of life. The guideline may help patients and healthcare professionals to interpret and assess pruritus intensity using a numerical rating scale and to understand the impact of pruritus on patients' health-related quality of life.
Asunto(s)
Dermatitis Atópica , Prurito , Calidad de Vida , Índice de Severidad de la Enfermedad , Humanos , Prurito/psicología , Prurito/diagnóstico , Prurito/etiología , Prurito/fisiopatología , Dermatitis Atópica/psicología , Dermatitis Atópica/complicaciones , Dermatitis Atópica/diagnóstico , Sueño , Emociones , Femenino , Masculino , Reproducibilidad de los Resultados , Adulto , Grupos Focales , Valor Predictivo de las Pruebas , Investigación Cualitativa , Costo de Enfermedad , Encuestas y Cuestionarios , Persona de Mediana EdadRESUMEN
The pattern of itching in patients with atopic dermatitis has not been systematically studied. Therefore, this study aimed to assess the pattern of itching in adults with atopic dermatitis using questionnaires to assess for a circadian rhythm of itching in participating patients at a single institution (n = 241). A self-report questionnaire was used to assess circadian rhythm and intensity of itching in patients. In addition, the patients' disease severity (Eczema Area and Severity Index [EASI]) and quality of life (Dermatology Life Quality Index [DLQI]) were assessed. Itching occurred most frequently (74.69%) and with the greatest severity (62.66%) between 20:00 and 00:00, and the least number of patients (25.31%) experienced itching between 04:00 and 08:00. The DLQI and EASI scores both correlated with the average and maximum itch intensity (r = 0.582, r = 0.533, respectively; r = 0.539, r = 0.517, respectively; p < 0.001). The DLQI and EASI scores were associated with average itch intensity (B = 0.179, B = 0.204, respectively; 95% CI: 0.112 to 0.246, 95% CI: 0.096 to 0.313, respectively; p < 0.001), and the EASI score was associated with males and family history (B = 0.285, B = 0.287, respectively; 95% CI: 0.094 to 0.476, 95% CI: 0.096 to 0.478, respectively; p = 0.003). Adult patients with atopic dermatitis exhibited a circadian rhythm of itching; these study results could positively impact treatment approaches.
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Ritmo Circadiano , Dermatitis Atópica , Prurito , Calidad de Vida , Índice de Severidad de la Enfermedad , Humanos , Dermatitis Atópica/fisiopatología , Dermatitis Atópica/complicaciones , Dermatitis Atópica/diagnóstico , Prurito/fisiopatología , Prurito/etiología , Prurito/diagnóstico , Masculino , Femenino , Adulto , Estudios Transversales , Persona de Mediana Edad , Adulto Joven , Factores de Tiempo , Encuestas y Cuestionarios , Autoinforme , Anciano , AdolescenteRESUMEN
Mastocytosis is a group of disorders characterized by the pathologic accumulation of mast cells in various tissues. One example of mastocytosis is urticaria pigmentosa, which presents with mastocytomas that can cause hives and, when irritated, pruritus. To our knowledge, we are describing the first case of urticaria pigmentosa without pruritus. The patient had a positive Darier's sign, stated that they never felt itchy, and denied ever using a topical steroid or antihistamine. Although our patient declined additional testing, patients like this may benefit from a detailed evaluation of their sensory system through both quantitative sensory testing and genetic analysis. J Drugs Dermatol. 2024;23(3): doi:10.36849/JDD.7558e.
Asunto(s)
Urticaria Pigmentosa , Urticaria , Humanos , Urticaria Pigmentosa/diagnóstico , Prurito/diagnóstico , Prurito/etiología , Urticaria/diagnóstico , Mastocitos , EmocionesRESUMEN
In this study, we aimed to analyze the literature to date on the utilization of topical calcineurin inhibitors in the management of pruritus among older adults, ages 65 and older. The 16 studies included in the final analysis demonstrated that topical calcineurin inhibitors are well tolerated across ages and are effective in treating a wide variety of chronic pruritic conditions. Collectively, these findings support that topical calcineurin inhibitors should be considered a safe, plausible option for managing age-associated itch. J Drugs Dermatol. 2024;23(2): doi:10.36849/JDD.7190e.
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Inhibidores de la Calcineurina , Prurito , Humanos , Anciano , Inhibidores de la Calcineurina/efectos adversos , Prurito/diagnóstico , Prurito/tratamiento farmacológicoRESUMEN
Bullous pemphigoid is often difficult to treat with the limited therapies available. Here, we describe clinical outcomes among 30 adults with bullous pemphigoid patients treated with dupilumab. We performed a multicenter, retrospective case series between March 2020 to August 2022. Patients received a loading dose of dupilumab 600 mg, followed by 300 mg maintenance dose with varying administration frequency tailored to individual patient response. All patients experienced at least some improvement in blister formation and pruritus, with 23 (76.7%) of patients demonstrating either complete clearance of blistering or marked response. Complete clearance of pruritus or marked response was noted in 25 (83.3%) of patients. Eight patients were effectively maintained solely on dupilumab. One (3.3%) patient reported an injection site reaction. Thirty patients represent a small sample, however, to our knowledge, this is the second largest group of BP treated with dupilumab. Furthermore, we provide an understandable framework for clinicians outside of academics to follow and assess treatment responses in their BP patients treated with dupilumab. Dupilumab should be considered as a therapeutic option in patients with bullous pemphigoid given its ability to induce sustained blistering and pruritus response in both typical and refractory cases while maintaining a favorable safety profile. J Drugs Dermatol. 2024;23(6):e144-e148. doi:10.36849/JDD.8258e.
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Anticuerpos Monoclonales Humanizados , Penfigoide Ampolloso , Prurito , Humanos , Penfigoide Ampolloso/tratamiento farmacológico , Penfigoide Ampolloso/diagnóstico , Anticuerpos Monoclonales Humanizados/administración & dosificación , Anticuerpos Monoclonales Humanizados/efectos adversos , Anticuerpos Monoclonales Humanizados/uso terapéutico , Estudios Retrospectivos , Femenino , Masculino , Anciano , Persona de Mediana Edad , Resultado del Tratamiento , Anciano de 80 o más Años , Prurito/tratamiento farmacológico , Prurito/etiología , Prurito/diagnóstico , Adulto , Reacción en el Punto de Inyección/etiología , Reacción en el Punto de Inyección/diagnósticoRESUMEN
Atopic dermatitis, commonly known as eczema, is a chronic inflammatory dermatosis that can affect individuals from infancy to adulthood. Also referred to as "the itch that rashes," atopic dermatitis is classically associated with significant pruritus that is accompanied by characteristic cutaneous and other clinical findings. The diagnosis of atopic dermatitis can be challenging due to the wide range of clinical presentations based on patient factors such as age, skin type, ethnicity, and other comorbid conditions. This chapter reviews the classical findings as well as the less common manifestations of atopic dermatitis.
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Dermatitis Atópica , Dermatitis Atópica/diagnóstico , Dermatitis Atópica/patología , Humanos , Prurito/etiología , Prurito/diagnóstico , Piel/patología , LactanteRESUMEN
Nocturnal scratching substantially impairs the quality of life in individuals with skin conditions such as atopic dermatitis (AD). Current clinical measurements of scratch rely on patient-reported outcomes (PROs) on itch over the last 24 h. Such measurements lack objectivity and sensitivity. Digital health technologies (DHTs), such as wearable sensors, have been widely used to capture behaviors in clinical and real-world settings. In this work, we develop and validate a machine learning algorithm using wrist-wearing actigraphy that could objectively quantify nocturnal scratching events, therefore facilitating accurate assessment of disease progression, treatment effectiveness, and overall quality of life in AD patients. A total of seven subjects were enrolled in a study to generate data overnight in an inpatient setting. Several machine learning models were developed, and their performance was compared. Results demonstrated that the best-performing model achieved the F1 score of 0.45 on the test set, accompanied by a precision of 0.44 and a recall of 0.46. Upon satisfactory performance with an expanded subject pool, our automatic scratch detection algorithm holds the potential for objectively assessing sleep quality and disease state in AD patients. This advancement promises to inform and refine therapeutic strategies for individuals with AD.
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Actigrafía , Algoritmos , Dermatitis Atópica , Aprendizaje Automático , Prurito , Muñeca , Humanos , Actigrafía/métodos , Actigrafía/instrumentación , Muñeca/fisiología , Masculino , Femenino , Adulto , Prurito/fisiopatología , Prurito/diagnóstico , Dispositivos Electrónicos Vestibles , Calidad de Vida , Sueño/fisiología , Persona de Mediana EdadRESUMEN
BACKGROUND: Chronic pruritus is a clinically heterogeneous symptom that manifests itself with varying duration, intensity, or quality. To date, there is no validated German-language instrument that systematically assesses the relevant parameters. With the support of the Pruritus Research Working Group (Arbeitsgemeinschaft Pruritusforschung, AGP), a questionnaire for the assessment of chronic pruritus (AGP questionnaire) was developed in 2008. The subsequently revised instrument, now called the German Pruritus Questionnaire, records pruritus-specific parameters such as localization, course, intensity and quality, anamnestic data on the general state of health, sociodemographic data, quality of life, and coping methods. It is to be validated in the study presented here. PATIENTS AND METHODS: The questionnaire was used in 366 patients with chronic pruritus of different etiologies from Germany (University Hospitals Heidelberg, Münster, Mainz, Erlangen, Giessen, private practice Bad Bentheim, TU Munich, Wiesbaden Kidney Center), Austria (Graz University Hospital) and Switzerland (Aarau Cantonal Hospital). RESULTS: The reliability for repeated completion (retest reliability) with regard to localization, first occurrence, and concomitant diseases showed high values for Cohen's kappa (> 0.8). The data on the retest reliability of the pruritus characteristics showed lower values (< 0.7). With regard to the measurability of practically relevant changes (change sensitivity), medium to strong effect sizes were found (0.09-0.19). A statistically significant differentiation of the pruritus etiologies based on the recorded parameters was not possible. CONCLUSIONS: The German Pruritus Questionnaire allows a comprehensive and structured recording of patient- and clinician-reported, relevant dimensions of chronic pruritus of different etiologies. Further adaptation and development are planned.
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Prurito , Prurito/diagnóstico , Humanos , Encuestas y Cuestionarios , Alemania , Enfermedad Crónica , Reproducibilidad de los Resultados , Masculino , Femenino , Persona de Mediana Edad , Adulto , Calidad de Vida , AncianoRESUMEN
BACKGROUND: Itch is the most troublesome symptom of atopic dermatitis, and it is important to assess it appropriately for optimal treatment. We discussed issues regarding itch and the most appropriate methods of assessment at the Atopic Itch Consensus Meeting (AICOM), attended by physicians and researchers with expertise in itch treatment and research. METHODS: The AICOM participants prepared a draft consensus statement that addressed the most appropriate itch assessment methods for age groups <2 years, 2-6 years, 7-14 years, and ≥15 years. Consensus was defined as agreement by ≥80% of the participants. RESULTS: Votes were cast by 20 participants (8 dermatologists, 7 pediatricians, and 5 researchers), and a consensus on the best current methods of itch assessment was reached with 95% agreement. For infants and preschool children, because subjective evaluation is difficult, a checklist for itch assessment was developed for caregivers. CONCLUSION: For itch assessment, we recommend subjective evaluation by the patient using a rating scale. For infants and preschoolers, evaluation should be done by the caregiver using a checklist, combined with objective evaluation (of skin lesions, for example) by a physician. We anticipate that more objective itch assessment indices will be established in the future.
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Dermatitis Atópica , Prurito , Lactante , Preescolar , Humanos , Índice de Severidad de la Enfermedad , Prurito/diagnóstico , Prurito/etiología , Dermatitis Atópica/complicaciones , Dermatitis Atópica/diagnóstico , Dermatitis Atópica/terapiaRESUMEN
In this work, a lightweight compliant glove that detects scratching using data from microtubular stretchable sensors on each finger and an inertial measurement unit (IMU) on the palm through a machine learning model is presented: the SensorIsed Glove for Monitoring Atopic Dermatitis (SIGMA). SIGMA provides the user and clinicians with a quantifiable way of assaying scratch as a proxy to itch. With the quantitative information detailing scratching frequency and duration, the clinicians would be able to better classify the severity of itch and scratching caused by atopic dermatitis (AD) more objectively to optimise treatment for the patients, as opposed to the current subjective methods of assessments that are currently in use in hospitals and research settings. The validation data demonstrated an accuracy of 83% of the scratch prediction algorithm, while a separate 30 min validation trial had an accuracy of 99% in a controlled environment. In a pilot study with children (n = 6), SIGMA accurately detected 94.4% of scratching when the glove was donned. We believe that this simple device will empower dermatologists to more effectively measure and quantify itching and scratching in AD, and guide personalised treatment decisions.