Mycosis fungoides: is it a Borrelia burgdorferi-associated disease?

Mycosis fungoides (MF) is the most frequently found cutaneous T-cell lymphoma with an unknown aetiology. Several aetiopathogenetic mechanisms have been postulated, including persistent viral or bacterial infections. We looked for evidence of Borrelia burgdorferi (Bb), the aetiologic agent of Lyme disease (LD), in a case study of MF patients from Northeastern Italy, an area with endemic LD. Polymerase chain reaction for the flagellin gene of Bb was used to study formalin-fixed paraffin-embedded lesional skin biopsies from 83 patients with MF and 83 sex- and age-matched healthy controls with homolocalised cutaneous nevi. Borrelia burgdorferi-specific sequence was detected in 15 out of 83 skin samples of patients with MF (18.1%), but in none out of 83 matched healthy controls (P<0.0001). The Bb positivity rates detected in this study support a possible role for Bb in the aetiopathogenesis of MF in a population endemic for LD

Mycosis fungoides is not associated with HCV virus infection

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Evidence of Multiple Infectious Agents in Mycosis Fungoides Lesions

The etiology of mycosis fungoides (MF) remains to be determined. Several studies have proposed a viral etiology with controversial results. In this case-control study we investigated the presence of Epstein-Barr virus (EBV) and the debated presence of Human T-cell lymphotrophic virus I (HTLV-I) sequences, by polymerase chain reaction on nucleic acid extracts from formalin-fixed paraffin-embedded skin biopsies. Moreover, by a multivariate approach we analyzed in the same case-control study also the contribution of two previously examined pathogens: Hepatitis C virus (HCV) and Borrelia burgdorferi (Bb). Significant differences in the frequency of infectious agents in cases and controls were detected for Bb, HTLV-I and EBV. In MF patients we found the concurrent presence of two or three of these pathogen sequences in 21 out of 83 cases, but only in 1 out of 83 healthy controls. Our results suggest that the persistence of multiple infectious agents may cause a long-term antigenic stimulation contributing to the malignant transformation of T lymphocytes, especially when associated with HTLV-I like sequences. However, these infectious agents do not seem to have effects on disease progression

Metabolic abnormalities associated with initiation of systemic treatment for psoriasis: evidence from the Italian Psocare Registry.

NCBINCBI Logo Skip to main content Skip to navigation Resources How To About NCBI Accesskeys Sign in to NCBI PubMed US National Library of Medicine National Institutes of Health Search database Search term Clear input Advanced Help Result Filters Display Settings: Abstract Send to: J Eur Acad Dermatol Venereol. 2013 Jan;27(1):e30-41. doi: 10.1111/j.1468-3083.2012.04450.x. Epub 2012 Feb 7. Metabolic abnormalities associated with initiation of systemic treatment for psoriasis: evidence from the Italian Psocare Registry. Gisondi P1, Cazzaniga S, Chimenti S, Giannetti A, Maccarone M, Picardo M, Girolomoni G, Naldi L; Psocare Study Group. Collaborators (368) Author information Abstract OBJECTIVE: To evaluate variations in laboratory parameters and diagnoses of selected clinical conditions up to 16 weeks after starting a new systemic psoriasis treatment for Psocare Registry enrollees. DESIGN: Prospective cohort study. SETTING: Italian public referral centres for psoriasis treatment. PATIENTS: First-time recipients (n = 10,539) of continuous systemic psoriasis treatment for at least 16 weeks. MAIN OUTCOME MEASURE: Mean variations in (weeks 8 and 16) and proportions of patients reaching a clinically meaningful increase in serum levels (week 16) of total and low-density lipoprotein cholesterol, triglycerides, aspartate amino transferase, alanine amino transferase and creatinine, as well as week-16 cumulative incidences of new diagnoses of diabetes mellitus and arterial hypertension. RESULTS: Mean cholesterol and triglyceride levels significantly increased in patients treated with acitretin or cyclosporine. Mean triglyceride levels also increased in efalizumab- and etanercept-treated patients. Mean transaminase values increased in methotrexate-treated patients, and mean aspartate amino transferase levels increased in infliximab-treated patients. The average serum creatinine value increased in cyclosporine-treated patients. Acitretin and cyclosporine were associated with risk of hypercholesterolaemia (odds ratios 1.51 and 1.34) and acitretin with risk of hypertriglyceridaemia (odds ratio 1.43). Methotrexate and infliximab were associated with risk of more than doubling the upper normal aspartate amino transferase (odds ratios 2.06 and 1.87) and alanine amino transferase (odds ratios 2.38 and 1.74) values. The relative risk of developing arterial hypertension and diabetes was increased for patients receiving cyclosporine (odds ratios 3.31 and 2.88). CONCLUSION: Systemic treatments for psoriasis resulted in heterogeneous effects on the parameters analysed

Latent tuberculosis infection in patients with chronic plaque psoriasis: Evidence from the Italian Psocare Registry

Background The nationwide prevalence of latent tuberculosis infection (LTBI) in Italian patients with psoriasis has never been investigated.Objectives To estimate the nationwide prevalence of LTBI in Italian patients with psoriasis who are candidates for systemic treatment.Methods Data were obtained from the Psocare Registry on those patients (n = 4946) with age &gt; 18 years, systemic treatment at entry specified and tuberculin skin test (TST) performed according to the Mantoux method. LTBI diagnosis was based on a positive TST result in the absence of any clinical, radiological or microbiological evidence of active tuberculosis.Results Latent tuberculosis infection was diagnosed in 8.3% of patients with psoriasis (409 of 4946). The prevalence of LTBI was lower in patients on biologics than in those on conventional systemic treatments, ranging from 4.3% (19 of 444) of patients on adalimumab to 31% (eight of 26) of those on psoralenultraviolet A (P &lt; 0.05). Independent factors associated with LTBI were male sex [odds ratio (OR) 1.30, 95% confidence interval (CI) 1.04-1.62; P = 0.02], age over 55 years (OR 2.93, 95% CI 2.18-3.93; P &lt; 0.001) and being entered into a conventional treatment (OR 3.83, 95% CI 3.10-4.74; P &lt; 0.001). Positive history of tuberculosis was seen in 1% of patients (n = 49).Conclusions The nationwide prevalence of LTBI in Italian patients with psoriasis candidate to systemic treatment is high, and screening is recommended prior to biological treatment

Metabolic abnormalities associated with initiation of systemic treatment for psoriasis: Evidence from the Italian Psocare Registry

Objective To evaluate variations in laboratory parameters and diagnoses of selected clinical conditions up to 16 weeks after starting a new systemic psoriasis treatment for Psocare Registry enrollees. Design Prospective cohort study. Setting Italian public referral centres for psoriasis treatment. Patients First-time recipients (n = 10,539) of continuous systemic psoriasis treatment for at least 16 weeks. Main outcome measure Mean variations in (weeks 8 and 16) and proportions of patients reaching a clinically meaningful increase in serum levels (week 16) of total and low-density lipoprotein cholesterol, triglycerides, aspartate amino transferase, alanine amino transferase and creatinine, as well as week-16 cumulative incidences of new diagnoses of diabetes mellitus and arterial hypertension. Results Mean cholesterol and triglyceride levels significantly increased in patients treated with acitretin or cyclosporine. Mean triglyceride levels also increased in efalizumab- and etanercept-treated patients. Mean transaminase values increased in methotrexate-treated patients, and mean aspartate amino transferase levels increased in infliximab-treated patients. The average serum creatinine value increased in cyclosporine-treated patients. Acitretin and cyclosporine were associated with risk of hypercholesterolaemia (odds ratios 1.51 and 1.34) and acitretin with risk of hypertriglyceridaemia (odds ratio 1.43). Methotrexate and infliximab were associated with risk of more than doubling the upper normal aspartate amino transferase (odds ratios 2.06 and 1.87) and alanine amino transferase (odds ratios 2.38 and 1.74) values. The relative risk of developing arterial hypertension and diabetes was increased for patients receiving cyclosporine (odds ratios 3.31 and 2.88). Conclusion Systemic treatments for psoriasis resulted in heterogeneous effects on the parameters analysed. \ua9 2012 European Academy of Dermatology and Venereology

Efficacy of switching between tumor necrosis factor-alfa inhibitors in psoriasis: Results from the Italian Psocare Registry

Background Some studies have shown that switching patients from one tumor necrosis factor (TNF)-alfa inhibitor to another may be beneficial when they have an inadequate response or an adverse event. Objective We sought to assess the variables predicting the efficacy of the second TNF-alfa inhibitor in patients discontinuing the first TNF-alfa inhibitor. Methods Data from all 5423 consecutive patients starting TNF-alfa inhibitor therapy for psoriasis between September 2005 and September 2010 who were included in the Italian Psocare registry were analyzed. Results In 105 patients who switched to a second TNF-alfa inhibitor who had complete follow-up data, 75% improvement in the Psoriasis Area Severity Index score (PASI 75) was reached by 29% after 16 weeks and by 45.6% after 24 weeks. Patients who switched because of secondary loss of efficacy (loss of initial PASI 75 response) or adverse events/intolerance were more likely to reach PASI 75 than those who switched as a result of primary inefficacy (PASI 75 never achieved) (hazard ratio 2.7, 95% confidence interval 1.3-5.5 vs hazard ratio 2.0, 95% confidence interval 1.0-3.9 and 1, respectively). Limitations There was a small number of patients with complete follow-up data. Conclusion PASI 75 response in patients who switched from one anti-TNF-alfa agent to another was significantly reduced in patients who showed primary inefficacy of the first anti-TNF-alfa. © 2013 by the American Academy of Dermatology, Inc