Real-world Safety and Efficacy of Risankizumab in Psoriatic Patients: A Multicenter, Retrospective, and Not-interventional Study.

BACKGROUND AND OBJECTIVE: Risankizumab - a humanized monoclonal antibody that targets the p19 subunit of IL-23 - has been recently approved to treat moderate-to-severe plaque psoriasis. Real-world data based on a representative pool of patients are currently lacking. OBJECTIVE: To assess the mid- and long-term safety and efficacy profile of risankizumab in patients with moderate-to-severe psoriasis in the routine clinical practice. METHODS: This was a retrospective and multicenter study of consecutive psoriatic patients on risankizumab from April 2020 through November 2022. The primary endpoint was the number of patients who achieved a 100% improvement in their Psoriasis Area and Severity Index (PASI) (PASI100) on week 52. RESULTS: A total of 510 patients, 198 (38.8%) women and 312 (61.2%) men were included in the study. The mean age was 51.7±14.4 years. A total of 227 (44.5%) study participants were obese (body mass index [BMI] >30kg/m2). The mean baseline PASI score was 11.4±7.2, and the rate of patients who achieved PASI100 on week 52, 67.0%. Throughout the study follow-up, 21%, 50.0%, 59.0%, and 66% of the patients achieved PASI100 on weeks 4, 16, 24, and 40, respectively. The number of patients who achieved a PASI ≤2 was greater in the group with a BMI ≤30kg/m2 on weeks 4 (P=.04), 16 (P=.001), and 52 (P=.002). A statistically significantly greater number of patients achieved PASI100 in the treatment-naïve group on weeks 16 and 52 (P=.001 each, respectively). On week 16 a significantly lower number of participants achieved PASI100 in the group with psoriatic arthropathy (P=.04). Among the overall study sample, 22 (4.3%) patients reported some type of adverse event and 20 (3.9%) discontinued treatment. CONCLUSIONS: Risankizumab proved to be a safe and effective therapy for patients with moderate-to-severe psoriasis in the routine clinical practice.

Pityriasis Rubra Pilaris: A Multicentric Case Series of 65 Spanish Patients.

INTRODUCTION: PRP is a rare entity of unknown etiopathogenesis. Lack of management guidelines makes it a challenge for clinicians. OBJECTIVE: To add our experience to increase evidence about PRP. METHODS: We performed a retrospective, descriptive and multicentric study of 65 patients with PRP, being the largest European case series of patients with PRP. RESULTS: PRP was more frequent in male patients with an average age of 51 years, but erythrodermic forms presented in older patients (average age 61 years). Six (75%) paediatric patients and ten (60%) non-erythrodermic adults controlled their disease with topical corticosteroids. On the contrary, 26 (68%) erythrodermic patients required biologic therapy as last and effective therapy line requiring an average of 6.5 months to achieve complete response. CONCLUSION: Our study showed a statistical difference in terms of outcome and response to treatment between children or patients with limited disease and patients who develop erythroderma.

Moderate to Severe Psoriasis in Pediatric and Young Patients: The BIOBADADERM Registry Experience. / Psoriasis moderada-grave en pacientes pediátricos y jóvenes: experiencia en el registro BIOBADADERM.

Childhood-onset psoriasis generally follows an indolent course but patients with moderate or severe disease may require systemic treatment. The aim of this study was to determine the relative proportion of children and young people aged up to 21 years with moderate to severe psoriasis in the BIOBADADERM registry and to analyze the characteristics of these patients, treatments used, and adverse events. Of the 3946 patients in the registry, 24 were aged 21 years or younger. They had mean age of 16.1 years on starting treatment. When the registry was started, they had a Psoriasis Area and Severity Index of 9.4 and 67% were being treated with a conventional systemic drug. Treatment was discontinued in 14 patients (58%) due to adverse events or a loss or lack of effectiveness. In conclusion, the BIOBADADERM registry shows that young people account for a small proportion of psoriasis patients receiving systemic treatment, and they are more likely to be treated using conventional systemic drugs.

Caracterización y resultados de pacientes tratados con apremilast en la práctica clínica habitual española: resultados del estudio APPRECIATE / Characterization and Outcomes in Patients Treated With Apremilast in Routine Clinical Practice in Spain: Results From the APPRECIATE Study

Antecedentes y objetivos Es conveniente ampliar el conocimiento del manejo de apremilast en práctica clínica. El estudio APPRECIATE (NCT02740218) pretende describir las características de pacientes con psoriasis tratados con apremilast, evaluar sus perspectivas y las de sus dermatólogos, y los resultados obtenidos en la práctica clínica española. Métodos Estudio observacional, retrospectivo, transversal y multicéntrico en pacientes con psoriasis crónica en placas, a los que se visitó seis (± 1) meses después de iniciar apremilast. Los datos se obtuvieron de las historias clínicas y cuestionarios realizados por pacientes y dermatólogos. Resultados Se evaluaron 80 pacientes, al iniciar apremilast presentaban Psoriasis Area and Severity Index (PASI) medio (desviación estándar, DE) = 8,3 (5,3) y Dermatology Life Quality Index (DLQI) medio (DE) = 8,9 (6,6). A los seis meses, el 58,8% (n = 47) continuaba con apremilast (discontinuaciones: falta de eficacia [16,3%], seguridad/tolerabilidad [20,0%]). En pacientes que continuaban en tratamiento, el PASI75 fue alcanzado por el 36,7%; la puntuación DLQI media (IC 95%) fue 2,2 (0,7-3,6) y Patient Benefit Index medio (DE) 2,8 (0,8). El cumplimiento de las expectativas de los dermatólogos se correlacionó con los beneficios descritos por los pacientes (r = 0,636). El 56,3% reportó acontecimientos adversos (diarrea y náuseas los más frecuentes). Conclusiones Los pacientes que recibieron apremilast durante seis meses en la práctica clínica en España reportaron una mejoría en su calidad de vida (DLQI medio se redujo más de seis puntos) y en la gravedad de la enfermedad (PASI75 alcanzado por más de un tercio de los pacientes), a pesar de presentar una afectación cutánea menor que aquellos pacientes incluidos en ensayos clínicos (AU)

Background and objectives It is necessary to expand the knowledge in the use of apremilast in clinical practice. The APPRECIATE study (NCT02740218) aims to describe the characteristics of patients with psoriasis treated with apremilast, to evaluate their perspectives and those of dermatologists, as well as the outcomes obtained in clinical practice in Spain. Methods Observational, retrospective, cross-sectional, multicenter study of patients with chronic plaque psoriasis who could be contacted 6 (±1) months after apremilast initiation. The data were obtained from medical records and questionnaires from patients and physicians. Results A total of 80 patients were evaluated; at apremilast onset, they showed mean (standard deviation, SD) Psoriasis Area and Severity Index (PASI) = 8.3 (5.3), mean (SD) Dermatology Life Quality Index (DLQI) = 8.9 (6.6). At six months, 58.8% (n=47) of patients continued apremilast treatment (discontinuations due to lack of efficacy [16.3%], safety/tolerability [20.0%]). In patients continuing treatment, PASI75 was achieved by 36.7% of patients; mean (95% CI) DLQI score was 2.2 (0.7-3.6) and mean (SD) Patient Benefit Index score was 2.8 (0.8). Compliance with physicians’ expectations was correlated with benefits reported by patients (r=0.636). Adverse events were reported by 56.3% of patients (the most common were diarrhoea and nausea). Conclusions Patients receiving apremilast for 6 months in Spanish clinical practice, reported substantial improvements in their quality of life (mean DLQI reduced by more than 6 points) and disease severity (PASI75 achieved by over one-third of patients), despite less skin involvement than patients who enrolled in clinical trials (AU)

Characterization and Outcomes in Patients Treated With Apremilast in Routine Clinical Practice in Spain: Results From the APPRECIATE Study. / Caracterización y resultados de pacientes tratados con apremilast en la práctica clínica habitual española: resultados del estudio APPRECIATE.

BACKGROUND AND OBJECTIVES: It is necessary to expand the knowledge in the use of apremilast in clinical practice. The APPRECIATE study (NCT02740218) aims to describe the characteristics of patients with psoriasis treated with apremilast, to evaluate their perspectives and those of dermatologists, as well as the outcomes obtained in clinical practice in Spain. METHODS: Observational, retrospective, cross-sectional, multicenter study of patients with chronic plaque psoriasis who could be contacted 6 (±1) months after apremilast initiation. The data were obtained from medical records and questionnaires from patients and physicians. RESULTS: A total of 80 patients were evaluated; at apremilast onset, they showed mean (standard deviation, SD) Psoriasis Area and Severity Index (PASI) = 8.3 (5.3), mean (SD) Dermatology Life Quality Index (DLQI) = 8.9 (6.6). At six months, 58.8% (n=47) of patients continued apremilast treatment (discontinuations due to lack of efficacy [16.3%], safety/tolerability [20.0%]). In patients continuing treatment, PASI75 was achieved by 36.7% of patients; mean (95% CI) DLQI score was 2.2 (0.7-3.6) and mean (SD) Patient Benefit Index score was 2.8 (0.8). Compliance with physicians' expectations was correlated with benefits reported by patients (r=0.636). Adverse events were reported by 56.3% of patients (the most common were diarrhoea and nausea). CONCLUSIONS: Patients receiving apremilast for 6 months in Spanish clinical practice, reported substantial improvements in their quality of life (mean DLQI reduced by more than 6 points) and disease severity (PASI75 achieved by over one-third of patients), despite less skin involvement than patients who enrolled in clinical trials.

Changing Trends in Drug Prescription and Causes of Treatment Discontinuation of First Biologic Over Ten Years in Psoriasis in the Spanish Biobadaderm Registry. / Cambios en las tendencias de la prescripción y causas de la interrupción en los tratamientos biológicos indicados en la psoriasis durante los primeros 10 años. Datos obtenidos del registro español Biobadaderm.

BACKGROUND AND OBJECTIVES: Current psoriasis guidelines do not usually include recommendations about first line classical or biologic treatment. The objectives of this study were: to describe shifts in the prescription of the first biological treatment, and to compare treatment withdrawal and rates of adverse events over ten years. MATERIAL AND METHODS: Biobadaderm registry was analyzed to describe: first biological prescription in bio-naïve patients, adverse events rate and reasons for drug withdrawal comparing three periods of time (2008-2010, 2011-2014, 2015-2018). RESULTS: Anti-TNF drugs were the most prescribed biological drug from 2008 to 2010. Ustekinumab has become the most prescribed first biologic since 2014. The main reasons for drug discontinuation were adverse events, lack of efficacy and remission. In each period any treatment was less likely to be discontinued due to any of these three reasons comparing to the previous period. CONCLUSIONS: The present study identifies trends in prescription of the first biological antipsoriatic drug in clinical practice from 2008 to 2018. It suggests that we have become more comfortable with the safety profile and more exigent with the efficacy of the drugs.

Real-world effectiveness and safety of apremilast in psoriasis at 52 weeks: a retrospective, observational, multicentre study by the Spanish Psoriasis Group.

BACKGROUND: Little has been published on the real-world effectiveness and safety of apremilast in psoriasis. OBJECTIVES: To evaluate the effectiveness, safety and drug survival of apremilast at 52 weeks in patients with moderate to severe plaque psoriasis or palmoplantar psoriasis in routine clinical practice. METHODS: Retrospective, multicentre study of adult patients with moderate to severe plaque psoriasis or palmoplantar psoriasis treated with apremilast from March 2016 to March 2018. RESULTS: We studied 292 patients with plaque psoriasis and 85 patients with palmoplantar psoriasis. The mean (SD) Psoriasis Area and Severity Index (PASI) score was 10.7 (7.0) at baseline and 3.0 (4.2) at 52 weeks. After 12 months of treatment, 73.6% of patients had a PASI score of 3 or less. In terms of relative improvement by week 52, 49.7% of patients achieved PASI-75 (≥75% reduction in PASI score) and 26.5% achieved PASI-90. The mean physician global assessment score for palmoplantar psoriasis fell from 4.2 (5.2) at baseline to 1.3 (1.3) at week 52. Overall drug survival after 1 year of treatment with apremilast was 54.9 %. The main reasons for treatment discontinuation were loss of efficacy (23.9%) and adverse events (15.9%). Almost half of the patients in our series (47%) experienced at least one adverse event. The most common events were gastrointestinal problems. CONCLUSIONS: Apremilast may be a suitable alternative for the treatment of moderate to severe psoriasis and palmoplantar psoriasis. Although the drug has a good safety profile, adverse gastrointestinal effects are common.

Descripción de los pacientes que reciben biológicos como primer tratamiento sistémico en el registro BIOBADADERM durante el periodo 2008-2016 / Description of Patients Treated with Biologic Drugs as First-Line Systemic Therapy in the BIOBADADERM Registry Between 2008 and 2016

INTRODUCCIÓN Y OBJETIVOS: La utilización clínica habitual de los fármacos biológicos en el tratamiento de la psoriasis es en segunda línea, es decir, tras el uso previo de un fármaco clásico. Sin embargo, en casos particulares -particularidades del paciente o criterio médico- se realiza la indicación en primera línea. No existen estudios sobre las características demográficas, clínicas y de seguridad de los pacientes que reciben fármaco biológico en primera línea. Como objetivo primario se pretende determinar dichas características de acuerdo con la iniciación de la terapia biológica en primera o segunda línea. MATERIAL Y MÉTODO: Se realizó un estudio descriptivo, multicéntrico, de 181 pacientes que iniciaron tratamiento biológico como primer fármaco sistémico para control de su psoriasis moderada-grave, y que forman parte del Registro Español de Acontecimientos Adversos Asociados con Medicamentos Biológicos en Dermatología, entre enero de 2008 y noviembre de 2016. RESULTADOS: Los pacientes de ambos grupos son muy similares, si bien se evidencia que el grupo que recibe el biológico en primera línea presenta una edad más avanzada, sin que se justifique por gravedad de la enfermedad (PASI) ni por el tiempo de evolución de esta desde el diagnóstico. En este grupo de pacientes es más frecuente la presencia de hipertensión, diabetes y hepatopatía. No hemos encontrado diferencias en motivos de suspensión ni seguridad entre ambos grupos. CONCLUSIONES: No se han encontrado diferencias relevantes entre los 2 grupos, lo cual refuerza la seguridad de los fármacos biológicos en este contexto

INTRODUCTION AND OBJECTIVES: Biologic drugs are usually prescribed as second-line treatment for psoriasis, that is, after the patient has first been treated with a conventional psoriasis drug. There are, however, cases where, depending on the characteristics of the patient or the judgement of the physician, biologics may be chosen as first-line therapy. No studies to date have analyzed the demographics or clinical characteristics of patients in this setting or the safety profile of the agents used. The main aim of this study was to characterize these aspects of first-line biologic therapy and compare them to those observed for patients receiving biologics as second-line therapy. MATERIAL AND METHOD: We conducted an observational study of 181 patients treated in various centers with a systemic biologic drug as first-line treatment for moderate to severe psoriasis between January 2008 and November 2016. All the patients were registered in the Spanish Registry of Adverse Events Associated with Biologic Drugs in Dermatology. RESULTS: The characteristics of the first- and second-line groups were very similar, although the patients receiving a biologic as first-line treatment for their psoriasis were older. No differences were observed for disease severity (assessed using the PASI) or time to diagnosis. Hypertension, diabetes, and liver disease were all more common in the first-line group. There were no differences between the groups in terms of reasons for drug withdrawal or occurrence of adverse effects. CONCLUSIONS: No major differences were found between patients with psoriasis receiving biologic drugs as first- or second-line therapy, a finding that provides further evidence of the safety of biologic therapy in patients with psoriasis

Description of Patients Treated with Biologic Drugs as First-Line Systemic Therapy in the BIOBADADERM Registry Between 2008 and 2016. / Descripción de los pacientes que reciben biológicos como primer tratamiento sistémico en el registro BIOBADADERM durante el periodo 2008-2016.

INTRODUCTION AND OBJECTIVES: Biologic drugs are usually prescribed as second-line treatment for psoriasis, that is, after the patient has first been treated with a conventional psoriasis drug. There are, however, cases where, depending on the characteristics of the patient or the judgement of the physician, biologics may be chosen as first-line therapy. No studies to date have analyzed the demographics or clinical characteristics of patients in this setting or the safety profile of the agents used. The main aim of this study was to characterize these aspects of first-line biologic therapy and compare them to those observed for patients receiving biologics as second-line therapy. MATERIAL AND METHOD: We conducted an observational study of 181 patients treated in various centers with a systemic biologic drug as first-line treatment for moderate to severe psoriasis between January 2008 and November 2016. All the patients were registered in the Spanish Registry of Adverse Events Associated with Biologic Drugs in Dermatology. RESULTS: The characteristics of the first- and second-line groups were very similar, although the patients receiving a biologic as first-line treatment for their psoriasis were older. No differences were observed for disease severity (assessed using the PASI) or time to diagnosis. Hypertension, diabetes, and liver disease were all more common in the first-line group. There were no differences between the groups in terms of reasons for drug withdrawal or occurrence of adverse effects. CONCLUSIONS: No major differences were found between patients with psoriasis receiving biologic drugs as first- or second-line therapy, a finding that provides further evidence of the safety of biologic therapy in patients with psoriasis.

Manejo de los tratamientos biológicos en pacientes con psoriasis moderada-grave sometidos a intervenciones quirúrgicas en el registro español Biobadaderm / Management of biologic therapy in moderate to severe psoriasis in surgical patients: data from the Spanish Biobadaderm registry

INTRODUCCIÓN Y OBJETIVO: Disponemos de una gran experiencia en el uso de los fármacos biológicos para el tratamiento de los pacientes con psoriasis, sin embargo, existen situaciones concretas, como la cirugía, en las que pueden surgir dudas sobre su manejo. Aunque las guías de tratamiento aconsejan su suspensión programada previamente a los procedimientos de cirugía mayor, no existe evidencia de cuál es la actitud habitual en la práctica clínica y su asociación a complicaciones. Nuestro objetivo fue analizar el manejo actual de esta situación en la práctica clínica habitual. MÉTODOS: A través de un estudio retrospectivo de la base de datos Biobadaderm se analizó el manejo práctico de pacientes con psoriasis en tratamiento biológico que fueron intervenidos mediante algún procedimiento quirúrgico. RESULTADOS: De los 2.113 pacientes incluidos en Biobadaderm, 48 fueron tratados con una intervención quirúrgica, de las que fueron mayoritarias las de tipo cutáneo (31%). El tratamiento biológico se suspendió en el 42% de los casos. No se observaron asociaciones estadísticamente significativas entre la aparición de complicaciones posquirúrgicas y la interrupción del fármaco. Tampoco se detectó asociación entre la interrupción del tratamiento con otras variables como el sexo, la edad, la duración de la enfermedad y la gravedad de la psoriasis. CONCLUSIÓN: No se ha encontrado asociación entre la continuidad del tratamiento biológico y el riesgo de complicaciones posquirúrgicas, aunque el estudio presenta la limitación de tener un tamaño muestral escaso

BACKGROUND AND OBJECTIVE: We now have considerable experience in the use of biologic agents to treat psoriasis, but doubts about management arise in certain clinical settings. Surgery is one of them. Although treatment guidelines advise that biologics be suspended before major surgery, data about actual clinical practices and associated complications are lacking. We aimed to analyze current practice in the clinical management of these cases. METHODS: Retrospective study of cases in the Biobadaderm database. We analyzed the management of biologic therapy in patients with psoriasis who underwent surgical procedures. RESULTS: Forty-eight of the 2113 patients registered in Biobadaderm underwent surgery. Thelargest percentage of procedures (31%) involved skin lesions. Biologic treatment was interrupted in 42% of the cases. No postsurgical complications were significantly related to treatment interruption. Likewise we detected no associations between treatment interruption and other variables, such as sex, age, or duration or severity of psoriasis. CONCLUSION: Continuity of biologic treatment and the risk of postsurgical complications were not associated in this study, although conclusions are limited by the small sample size

Management of Biologic Therapy in Moderate to Severe Psoriasis in Surgical Patients: Data From the Spanish Biobadaderm Registry. / Manejo de los tratamientos biológicos en pacientes con psoriasis moderada-grave sometidos a intervenciones quirúrgicas en el registro español Biobadaderm.

BACKGROUND AND OBJECTIVE: We now have considerable experience in the use of biologic agents to treat psoriasis, but doubts about management arise in certain clinical settings. Surgery is one of them. Although treatment guidelines advise that biologics be suspended before major surgery, data about actual clinical practices and associated complications are lacking. We aimed to analyze current practice in the clinical management of these cases. METHODS: Retrospective study of cases in the Biobadaderm database. We analyzed the management of biologic therapy in patients with psoriasis who underwent surgical procedures. RESULTS: Forty-eight of the 2113 patients registered in Biobadaderm underwent surgery. The largest percentage of procedures (31%) involved skin lesions. Biologic treatment was interrupted in 42% of the cases. No postsurgical complications were significantly related to treatment interruption. Likewise we detected no associations between treatment interruption and other variables, such as sex, age, or duration or severity of psoriasis. CONCLUSION: Continuity of biologic treatment and the risk of postsurgical complications were not associated in this study, although conclusions are limited by the small sample size.

Riesgo de reactivación de hepatitis B pasada en pacientes con psoriasis tratados con biológicos. Análisis retrospectivo de 20 casos. Registro de BIOBADADERM / Risk of Reactivation of Hepatitis B Virus Infection in Psoriasis Patients Treated With Biologics: A Retrospective Analysis of 20 Cases From the BIOBADADERM Database

INTRODUCCIÓN Y OBJETIVOS: Se ha reportado un riesgo de reactivación de hepatitis B pasada de hasta el 5% en pacientes tratados con fármacos dirigidos contra el factor de necrosis tumoral para enfermedades distintas a la psoriasis. Nuestro objetivo es investigar el riesgo de reactivación del virus de la hepatitis B en pacientes con hepatitis B pasada y psoriasis tratada con biológicos. MATERIAL Y MÉTODOS: Estudio multicéntrico en el que se incluyeron 20 pacientes con serología sugestiva de hepatitis B pasada (antiHBc+, antígeno HBs-) y diagnóstico de psoriasis tratada con al menos un biológico. Se recogieron variables clínicas, serológicas y de función hepática antes, durante y al final del seguimiento. Se obtuvo una carga viral al final del seguimiento en todos los pacientes. RESULTADOS: Ningún paciente mostró criterios de reactivación de hepatitis B al final del estudio, con una mediana de seguimiento de 40 meses. Sumando los datos de otras series publicadas de pacientes con psoriasis y hepatitis B pasada tratados con biológicos, el riesgo máximo sería de 2,7 reactivaciones por 100 pacientes tratados con un seguimiento medio de unos 30 meses. CONCLUSIONES: En nuestro estudio el tratamiento con biológicos no provocó ninguna reactivación de hepatitis B. Sin embargo, debido a las graves complicaciones asociadas a la misma, se aconseja descartar portadores ocultos en pacientes con hepatitis B pasada antes de iniciar tratamiento biológico (solicitando una carga viral al inicio del mismo), así como un seguimiento conjunto con un hepatólogo

INTRODUCTION AND OBJECTIVES: A 5% risk of reactivation of hepatitis B virus (HBV) infection has been reported in patients with diseases other than psoriasis treated with tumor necrosis factor inhibitors. The aim of this study was to investigate the risk of HBV reactivation in patients with a past history of HBV infection who were receiving biologic therapy for psoriasis. MATERIAL AND METHODS: This was a multicenter study of 20 patients with psoriasis who were treated with at least 1 biologic agent. All the patients had serologic evidence of past HBV infection (positive total hepatitis B core antibody and negative hepatitis B surface antibody). We analyzed the clinical, serological, and liver function variables recorded before, during, and at the end of follow-up. The viral load at the end of follow-up was also analyzed for all patients. RESULTS: None of the patients fulfilled the criteria for HBV reactivation at the end of a median follow-up period of 40 months. Combining our data with data from other studies of psoriasis patients with a past history of HBV infection who were treated with a biologic, we calculated a maximum estimated risk of HBV reactivation for a mean follow-up period of 30 months of 2.7 reactivations per 100 patients. CONCLUSIONS: Biologic therapy did not cause HBV reactivation in our series of patients. Nonetheless, because of the potentially serious complications associated with HBV reactivation, it is important to measure viral load in patients with a history of HBV infection prior to initiation of biologic therapy to rule out occult carriage. These patients should also be monitored regularly in conjunction with a hepatologist

Risk of Reactivation of Hepatitis B Virus Infection in Psoriasis Patients Treated With Biologics: A Retrospective Analysis of 20 Cases From the BIOBADADERM Database.

INTRODUCTION AND OBJECTIVES: A 5% risk of reactivation of hepatitis B virus (HBV) infection has been reported in patients with diseases other than psoriasis treated with tumor necrosis factor inhibitors. The aim of this study was to investigate the risk of HBV reactivation in patients with a past history of HBV infection who were receiving biologic therapy for psoriasis. MATERIAL AND METHODS: This was a multicenter study of 20 patients with psoriasis who were treated with at least 1 biologic agent. All the patients had serologic evidence of past HBV infection (positive total hepatitis B core antibody and negative hepatitis B surface antibody). We analyzed the clinical, serological, and liver function variables recorded before, during, and at the end of follow-up. The viral load at the end of follow-up was also analyzed for all patients. RESULTS: None of the patients fulfilled the criteria for HBV reactivation at the end of a median follow-up period of 40 months. Combining our data with data from other studies of psoriasis patients with a past history of HBV infection who were treated with a biologic, we calculated a maximum estimated risk of HBV reactivation for a mean follow-up period of 30 months of 2.7 reactivations per 100 patients. CONCLUSIONS: Biologic therapy did not cause HBV reactivation in our series of patients. Nonetheless, because of the potentially serious complications associated with HBV reactivation, it is important to measure viral load in patients with a history of HBV infection prior to initiation of biologic therapy to rule out occult carriage. These patients should also be monitored regularly in conjunction with a hepatologist.

[Pustular psoriasis, palmoplantar psoriasis, erythodermal psoriasis and etanercept]. / Psoriasis pustulosa, psoriasis palmoplantar, psoriasis eritrodérmica y etanercept.

Etanercept has been approved for the treatment of moderate-severe plaque psoriasis. This is the most frequent form of psoriasis (80%). In other forms of psoriasis, the use of etanercept, as that of other biological therapies, has been published in an isolated way with satisfactory results. We present a patient with palmoplantar pustulous psoriasis palmoplantar refractory to multiple treatments (topical corticosteroids, phototherapy, methotrexate) who responded favorably to the use of 50 mg biweekly doses of etanercept. The patient has maintained total remission of the lesions 6 months after having terminated treatment. We review the cases published on palmoplantar psoriasis treated with etanercept and also the use of this drug in other forms of pustular psoriasis and of erythrodermal psoriasis.

[Temporary interruption of treatment with etanercept]. / Interrupción temporal del tratamiento con etanercept.

The common use of etanercept in the treatment of psoriasis entails that the dermatologist may encounter situations in which the need for temporary interruption of treatment may arise. In this article, an attempt has been made to establish guidelines on the interruption of etanercept within some circumstances, such as surgeries or vaccinations, the suspension time and when to reintroduce the drug.