Objectives. To identify all of the patients affected by chronic hepatitis C infection treated with TNF-α blockers (adalimumab, certolizumab pegol, etanercept, golimumab and infliximab) in order to evaluate the safety profile. Methods. A systematic review of the literature from January 1990 to October 2010. Results. In total, 37 publications with data on 153 patients who were treated with anti-TNF-α agents in the setting of HCV infection were found. The mean anti-TNF-α treatment duration was 11.9 months. Ninety-one patients had RA, 22 had psoriasis, 6 had Crohn's disease and 14 patients had other chronic inflammatory diseases. To date, etanercept is the biological agent that has been most extensively used in the patients with HCV infection, with only one definitely confirmed case of HCV hepatitis worsening and five suspected cases (elevation of transaminases not associated with an increase in the HCV viral load and vice versa) in 110 treated patients. Treatment with this agent resulted in stable levels of liver transaminases and a stable viral load in 74 patients, with an improvement in HCV chronic liver disease in combination with IFN–ribavirin therapy in 29 patients. Conclusions. The safety profile of anti-TNF-α agents in the setting of HCV infection seems to be acceptable, even if differences in the hepatotoxic profile are apparent between different agents. In the absence of long-term and large, controlled clinical trials a definitive statement on the safety of anti-TNF-α therapies in the setting of chronic HCV infection cannot be made.
We performed a systematic search of databases from 1990 to 2013 to identify articles concerning the new onset of dermatomyositis/polymyositis (DM/PM) in patients treated with anti-TNF-αtherapy. We retrieved 13 publications describing 20 patients where the new onset of DM/PM after anti-TNF-αtherapy was recorded. 17 patients were affected by rheumatoid arthritis (RA), one by Crohn’s disease, one by ankylosing spondilytis, and one by seronegative arthritis. In 91% of the cases antinuclear autoantibodies were detected after the introduction of anti-TNF-αtherapy. In 6 patients antisynthetase antibodies were detected and other clinical findings as interstitial lung disease (ILD) were recorded. Improvement of DM/PM after anti-TNF suspension (with the concomitant use of other immunosuppressors) was recorded in 94% of cases. The emergence of DM/PM and antisynthetase syndrome seem to be associated with the use of anti-TNF-αagents, especially in patients with chronic inflammatory diseases (mainly RA) with positive autoantibodies before therapy initiation. In particular, physicians should pay attention to patients affected by RA with positive antisynthetase antibodies and/or history of ILD. In those cases, the use of the TNF-αblocking agents may trigger the onset of PM/DM or antisynthetase syndrome or may aggravate/trigger the lung disease.
1 September 2009 in Seminars in Cutaneous Medicine and Surgery
Mobile telemedicine integrates wireless communications for different telemedical applications, such as mobile phones and personal digital assistants, and with the implementation of modern wireless telecommunication, wireless local area network and satellite communication is a reality. New generation cellular phones or personal digital assistants have overcome limitations of image quality seen in older devices and, with dermatology being a visual profession, mobile teledermatology is perhaps the most recent development in this field. Mobile teledermatology may provide a triage service aimed toward management of patients with emergent skin disease or for follow-up with patients requiring systemic treatment. Teledermoscopy enables rapid transmission of dermoscopic images via e-mail or specific web-application and studies have demonstrated a high, 91%, concordance between face-to-face diagnosis and remote diagnosis of such images. Further to this, telediagnosis of melanocytic skin neoplasms achieved a diagnostic accuracy of 83% versus the conventional histopathologic diagnosis. Mobile teledermoscopy is the combination of such approaches enabling transfer of images captured with cellular phones coupled with a pocket dermatoscope and preliminary studies have demonstrated the feasibility and potential of its use in triage of pigmented lesions. Such applications are of benefit to physicians in enabling easy storage of data for follow-up or referral of images for expert second opinion and may facilitate a "person-centered health system" for patients with numerous moles and pigmented skin lesions who could forward images for evaluation. The incidence of skin cancers has reached epidemic proportions among whites and the trend is still going upward. Mobile teledermatology and teledermoscopy may be implemented as a triage or screening tool for malignant tumors to facilitate early detection and diagnosis, which is crucial for improved patient outcomes. While the legal aspects concerning teleconsultations need to be evaluated, the communications technologies provide a unique opportunity for physicians and patients alike and we foresee a place for these tools in dermatology soon.