ribavirin has been researched along with Vasculitis in 39 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 0 (0.00) | 18.2507 |
| 2000's | 21 (53.85) | 29.6817 |
| 2010's | 17 (43.59) | 24.3611 |
| 2020's | 1 (2.56) | 2.80 |
| Authors | Studies |
|---|---|
| Doretto, P; Ermacora, A; Fumagalli, S; Gattei, V; Mauro, E; Mazzaro, C; Toffolutti, F; Tonizzo, M | 1 |
| Bazin-Karra, D; Blanc, F; Cacoub, P; Cazorla, C; Decaux, O; Karras, A; Lambotte, O; Longuet, M; Musset, L; Pialoux, G; Pol, S; Resche Rigon, M; Saadoun, D; Thibault, V; Vittecoq, D; Ziza, JM | 1 |
| Gordovskaia, NB; Ignatova, TM; Korotchaeva, IuV; Kozlovskaia, LV; Milovanova, SIu | 1 |
| Aries, PM; Fleck, M; Iking-Konert, C | 1 |
| Ohmichi, T; Oka, N; Yasuda, R; Yoshioka, A; Yuki, N | 1 |
| Bazin-Kara, D; Blanc, F; Cacoub, P; Cazorla, C; Decaux, O; Karras, A; Lambotte, O; Musset, L; Peltier, J; Pialoux, G; Pol, S; Resche Rigon, M; Saadoun, D; Thibault, V; Vittecoq, D; Ziza, JM | 1 |
| Kozlov, VK; Skipsky, IM; Stelmakh, VV; Sukhanov, DS | 1 |
| Brito, C; Pereira, T; Resende, C; Ventura, F | 1 |
| Calabrese, LH; Vassilopoulos, D | 1 |
| Craxì, A; Feld, JJ; Forton, D; Manns, MP; Negro, F; Sulkowski, MS | 1 |
| Alric, L; Cacoub, P; Costopoulos, M; Fontaine, H; Guillaud, C; Hezode, C; Izzedine, H; Le Garff-Tavernier, M; Mallet, M; Musset, L; Plaisier, A; Pol, S; Poynard, T; Saadoun, D; Si Ahmed, SN; Thibault, V | 1 |
| Casato, M; Ceccotti, G; Colantuono, S; De Santis, A; Del Padre, M; Fiorilli, M; Fognani, E; Gianni, E; Gragnani, L; Mitrevski, M; Monti, M; Perez, M; Petraccia, L; Pulsoni, A; Stasi, C; Urraro, T; Visentini, M; Zignego, AL | 1 |
| Moiseev, S; Mukhin, N; Novikov, P | 1 |
| Brito-Zerón, P; Cacoub, P; Casato, M; Ferri, C; Lamprecht, P; Mangia, A; Ramos-Casals, M; Retamozo, S; Saadoun, D; Tzioufas, AG; Younossi, ZM; Zignego, AL | 1 |
| Alric, L; Bellier, B; Cacoub, P; Comarmond, C; Costopoulos, M; Desbois, AC; Fontaine, H; Garrido, M; Klatzmann, D; Le Garff-Tavernier, M; Maciejewski, A; Musset, L; Pol, S; Poynard, T; Rosenzwajg, M; Saadoun, D; Si Ahmed, SN | 1 |
| Guillevin, L; Pagnoux, C | 1 |
| Cacoub, P; Delluc, A; Ghillani-Dalbin, P; Piette, JC; Saadoun, D; Sene, D | 1 |
| Cacoub, P; Klatzmann, D; Landau, DA; Rosenzwajg, M; Saadoun, D; Trébeden-Negre, H | 1 |
| Blanc, F; Buchler, M; Cacoub, P; Coppéré, B; Ghillani, P; Karras, A; Pérard, L; Plaisier, E; Rosenzwajg, M; Saadoun, D; Sellam, J; Sène, D; Terrier, B | 1 |
| Cacoub, P; Landau, DA; Resche-Rigon, M; Saadoun, D; Scerra, S; Sene, D | 1 |
| Bataille, S; Chiche, L; Jourde, N; Kaplanski, G | 1 |
| Ignatova, TM; Mukhin, NA | 1 |
| Butterfield, JH; Kalaaji, AN; Kelkar, PS | 1 |
| Cacoub, P; Duhaut, P; Ghillani, P; Leger, JM; Lidove, O; Maisonobe, T; Myers, RP; Piette, JC; Servan, J; Thibault, V | 1 |
| Bruchfeld, A; Lindahl, K; Schvarcz, R; Söderberg, M; Ståhle, L | 1 |
| Arlt, AC; Dennin, RH; Gause, A; Gross, WL; Gutzeit, O; Lamprecht, P; Lerin-Lozano, C; Merz, H; Peters, SO; Solbach, W; Voswinkel, J | 1 |
| Chebli, JM; Gaburri, AK; Gaburri, PD; Martins Junior, EV | 1 |
| Cacoub, P; Lidove, O; Limal, N; Piette, JC; Saadoun, D; Sene, D | 1 |
| Caizzi, M; Carniello, G; Di Gennaro, G; Donada, C; Maso, LD; Mazzaro, C; Pozzato, G; Tirelli, U; Virgolini, L; Zorat, F | 1 |
| Calabrese, LH; Cooper, SM; Fessler, BJ; Gota, C; Levine, JW | 1 |
| Covino, M; Gasbarrini, G; Larocca, LM; Pizzolante, F; Pompili, M; Rapaccini, GL | 1 |
| Samuels, J; Spiera, R | 1 |
| Zoras, C | 1 |
| Cacoub, P; Piette, JC; Resche-Rigon, M; Saadoun, D; Thibault, V | 1 |
| Byun, KS; Choi, DW; Han, WS; Kim, YH; Lee, SJ; Oh, SN; Yeon, JE | 1 |
| Cacoub, P; Karras, A; Perard, L; Resche-Rigon, M; Saadoun, D; Sene, D | 1 |
| Cacoub, P; Fois, E; Halfon, P; Landau, DA; Marcellin, P; Martinot-Peignoux, M; Saadoun, D | 1 |
| Cacoub, P; Saadoun, D; Sène, D | 1 |
| Cacoub, P; Delluc, A; Piette, JC; Saadoun, D | 1 |
11 review(s) available for ribavirin and Vasculitis
| Article | Year |
|---|---|
Hepatitis C virus-related cryoglobulinemic vasculitis.
Topics: Antiviral Agents; Blood Component Removal; Colchicine; Cryoglobulinemia; Female; Glucocorticoids; Hepacivirus; Hepatitis C; Hepatitis C, Chronic; Humans; Immunologic Factors; Interferon-alpha; Male; Middle Aged; Polyethylene Glycols; Prognosis; Recombinant Proteins; Ribavirin; Rituximab; Vasculitis | 2021 |
[Vasculitis: update 2014].
Topics: Anti-Inflammatory Agents; Antibodies, Monoclonal; Antibodies, Monoclonal, Humanized; Antibodies, Monoclonal, Murine-Derived; Evidence-Based Medicine; Humans; Infliximab; Ribavirin; Rituximab; Vasculitis | 2014 |
HCV Treatments and Their Integration Into Rheumatology.
Topics: Antirheumatic Agents; Antiviral Agents; Arthritis; Cryoglobulinemia; Hepatitis C, Chronic; Humans; Interferon-alpha; Protease Inhibitors; Rheumatic Diseases; Ribavirin; Sialadenitis; Vasculitis | 2015 |
Extrahepatic morbidity and mortality of chronic hepatitis C.
Topics: Antiviral Agents; Cryoglobulinemia; Glomerulonephritis; Glucose Metabolism Disorders; Hepacivirus; Hepatitis C, Chronic; Humans; Interferon-alpha; Lymphoma; Morbidity; Ribavirin; Vasculitis | 2015 |
Evidence-based recommendations on the management of extrahepatic manifestations of chronic hepatitis C virus infection.
Topics: Antiviral Agents; Autoimmune Diseases; Cryoglobulinemia; Evidence-Based Medicine; Hepatitis C, Chronic; Humans; Interferons; Lymphoma, B-Cell; Ribavirin; Rituximab; Vasculitis | 2017 |
[Treatment of systemic vasculitides].
Topics: Adrenal Cortex Hormones; Anti-Inflammatory Agents, Non-Steroidal; Antiviral Agents; Azathioprine; Churg-Strauss Syndrome; Clinical Trials as Topic; Cryoglobulinemia; Cyclophosphamide; Drug Therapy, Combination; Etanercept; Granulomatosis with Polyangiitis; Hepatitis B; Humans; Immunoglobulin G; Immunoglobulins, Intravenous; Immunosuppressive Agents; Interferons; Plasma Exchange; Polyarteritis Nodosa; Prognosis; Prospective Studies; Receptors, Tumor Necrosis Factor; Recurrence; Ribavirin; Risk; Severity of Illness Index; Time Factors; Tumor Necrosis Factor-alpha; Vasculitis; Virus Diseases | 2008 |
The place of immunotherapy in the management of HCV-induced vasculitis: an update.
Topics: Antibodies, Monoclonal; Antibodies, Monoclonal, Murine-Derived; Antiviral Agents; Hepacivirus; Hepatitis C; Hepatitis C Antibodies; Humans; Immunotherapy; Interferon-alpha; Interleukin-2; Polyethylene Glycols; Recombinant Proteins; Ribavirin; Rituximab; Vasculitis | 2012 |
[Current possibilities for treatment for hepatitis C virus-induced cryoglobulinemic vasculitis and B-cell lymphoma].
Topics: Antibodies, Monoclonal, Murine-Derived; Antigens, CD20; Antineoplastic Agents; Antiviral Agents; Cryoglobulinemia; Drug Therapy, Combination; Hepatitis C; Humans; Interferon-alpha; Lymphoma, B-Cell; Ribavirin; Rituximab; Vasculitis | 2012 |
Newer therapeutic approaches to the vasculitides: biologic agents.
Topics: Antibodies, Monoclonal; Antibodies, Monoclonal, Murine-Derived; Antiviral Agents; Etanercept; Humans; Immunoglobulin G; Immunologic Factors; Infliximab; Interferon-alpha; Lamivudine; Receptors, Tumor Necrosis Factor; Ribavirin; Rituximab; Vasculitis | 2006 |
[Cryoglobulinemia].
Topics: Alcohol Drinking; Antibodies, Monoclonal; Antibodies, Monoclonal, Murine-Derived; Antiviral Agents; Cryoglobulinemia; Drug Therapy, Combination; Fatty Liver; Female; Hepatitis C; Humans; Immunologic Factors; Interferon-alpha; Liver Cirrhosis; Male; Recurrence; Ribavirin; Rituximab; Sex Factors; Vasculitis | 2008 |
Treatment of hepatitis C-associated mixed cryoglobulinemia vasculitis.
Topics: Antibodies, Monoclonal; Antibodies, Monoclonal, Murine-Derived; Antiviral Agents; B-Lymphocytes; Cryoglobulinemia; Hepatitis C, Chronic; Humans; Immunologic Factors; Interferon alpha-2; Interferon-alpha; Polyethylene Glycols; Recombinant Proteins; Ribavirin; Rituximab; Vasculitis | 2008 |
6 trial(s) available for ribavirin and Vasculitis
| Article | Year |
|---|---|
Peg-IFNα/ribavirin/protease inhibitor combination in hepatitis C virus associated mixed cryoglobulinemia vasculitis: results at week 24.
Topics: Aged; Antiviral Agents; Cohort Studies; Cryoglobulinemia; Drug Therapy, Combination; Female; Hepacivirus; Hepatitis C, Chronic; Humans; Interferon-alpha; Male; Middle Aged; Oligopeptides; Polyethylene Glycols; Proline; Protease Inhibitors; Recombinant Proteins; Ribavirin; Treatment Outcome; Vasculitis | 2014 |
Sofosbuvir plus ribavirin for hepatitis C virus-associated cryoglobulinaemia vasculitis: VASCUVALDIC study.
Topics: Antiviral Agents; Cryoglobulinemia; Drug Therapy, Combination; Female; Hepacivirus; Hepatitis C; Humans; Male; Middle Aged; Prospective Studies; Ribavirin; Sofosbuvir; Treatment Outcome; Vasculitis | 2016 |
Efficacy and tolerability of rituximab with or without PEGylated interferon alfa-2b plus ribavirin in severe hepatitis C virus-related vasculitis: a long-term followup study of thirty-two patients.
Topics: Adult; Aged; Aged, 80 and over; Antibodies, Monoclonal; Antibodies, Monoclonal, Murine-Derived; Antiviral Agents; Drug Therapy, Combination; Female; Follow-Up Studies; Hepatitis C, Chronic; Humans; Immunologic Factors; Interferon alpha-2; Interferon-alpha; Male; Middle Aged; Polyethylene Glycols; Recombinant Proteins; Ribavirin; Rituximab; Treatment Outcome; Vasculitis | 2009 |
Treatment with peg-interferon alfa-2b and ribavirin of hepatitis C virus-associated mixed cryoglobulinemia: a pilot study.
Topics: Adult; Aged; Antiviral Agents; Cryoglobulinemia; Drug Therapy, Combination; Female; Hepacivirus; Hepatitis C, Chronic; Humans; Interferon alpha-2; Interferon-alpha; Male; Middle Aged; Patient Compliance; Pilot Projects; Polyethylene Glycols; Recombinant Proteins; Ribavirin; RNA, Viral; Treatment Outcome; Vasculitis | 2005 |
Antiviral therapy for hepatitis C virus--associated mixed cryoglobulinemia vasculitis: a long-term followup study.
Topics: Aged; Antiviral Agents; Cryoglobulinemia; Drug Therapy, Combination; Female; Follow-Up Studies; Hepatitis C, Chronic; Humans; Interferon alpha-2; Interferon-alpha; Male; Middle Aged; Polyethylene Glycols; Recombinant Proteins; Remission Induction; Ribavirin; Treatment Outcome; Vasculitis | 2006 |
Rituximab combined with Peg-interferon-ribavirin in refractory hepatitis C virus-associated cryoglobulinaemia vasculitis.
Topics: Adult; Aged; Antibodies, Monoclonal; Antibodies, Monoclonal, Murine-Derived; Antiviral Agents; Cryoglobulinemia; Drug Therapy, Combination; Female; Hepatitis C, Chronic; Humans; Interferon alpha-2; Interferon-alpha; Male; Middle Aged; Pilot Projects; Polyethylene Glycols; Recombinant Proteins; Ribavirin; Rituximab; Treatment Outcome; Vasculitis | 2008 |
22 other study(ies) available for ribavirin and Vasculitis
| Article | Year |
|---|---|
[Hepatitis C virus-related cryoglobulinemic vasculitis with renal involvement: current possibilities of treatment].
Topics: Antibodies, Monoclonal, Murine-Derived; Antiviral Agents; Cryoglobulinemia; Drug Therapy, Combination; Glomerulonephritis; Hepatitis C; Humans; Interferon-alpha; Polyethylene Glycols; Recombinant Proteins; Ribavirin; Rituximab; Vasculitis | 2013 |
Hepatitis C virus-associated neuropathy accompanied by eosinophilic vasculitis and granuloma formation.
Topics: Antiviral Agents; Eosinophilia; Granuloma; Hepacivirus; Hepatitis C; Humans; Interferon-alpha; Male; Middle Aged; Peripheral Nervous System Diseases; Purpura; Ribavirin; Sural Nerve; Vasculitis; Viral Load | 2014 |
PegIFNα/ribavirin/protease inhibitor combination in severe hepatitis C virus-associated mixed cryoglobulinemia vasculitis.
Topics: Aged; Antiviral Agents; Cryoglobulinemia; Drug Carriers; Drug Therapy, Combination; Female; Follow-Up Studies; Hepacivirus; Hepatitis C, Chronic; Humans; Interferon-alpha; Male; Middle Aged; Polyethylene Glycols; Prospective Studies; Recombinant Proteins; Reverse Transcriptase Polymerase Chain Reaction; Ribavirin; RNA, Viral; Severity of Illness Index; Treatment Outcome; Vasculitis | 2015 |
[Pulmonary vasculitis as a clinical mask of HCV infection: efficiency of interferon-free antiviral therapy].
Topics: Acridines; Antiviral Agents; Drug Therapy, Combination; Female; Hepatitis C; Humans; Leukocytes, Mononuclear; Lung; Lung Diseases; Middle Aged; Polymerase Chain Reaction; Ribavirin; RNA, Viral; Treatment Outcome; Vasculitis | 2014 |
Leg ulcer as a manifestation of eosinophilic vasculitis in a patient with hepatitis C virus infection, medicated with pegylated interferon/ribavirin.
Topics: Adult; Antiviral Agents; Drug Therapy, Combination; Eosinophilia; Hepatitis C, Chronic; Humans; Interferon-alpha; Leg Ulcer; Male; Ribavirin; Vasculitis | 2015 |
Prospective study of guideline-tailored therapy with direct-acting antivirals for hepatitis C virus-associated mixed cryoglobulinemia.
Topics: Aged; Antiviral Agents; B-Lymphocytes; Cryoglobulinemia; Female; Hepacivirus; Hepatitis C, Chronic; Humans; Male; Practice Guidelines as Topic; Prospective Studies; Ribavirin; Sofosbuvir; Treatment Outcome; Vasculitis | 2016 |
HCV-associated cryoglobulinemia vasculitis: are its days numbered?
Topics: Cryoglobulinemia; Hepacivirus; Hepatitis C; Humans; Ribavirin; Sofosbuvir; Vasculitis | 2017 |
Direct-Acting Antiviral Therapy Restores Immune Tolerance to Patients With Hepatitis C Virus-Induced Cryoglobulinemia Vasculitis.
Topics: Aged; Antiviral Agents; B-Lymphocyte Subsets; Biomarkers; Carbamates; Case-Control Studies; Cryoglobulinemia; Cytokines; Drug Therapy, Combination; Female; Hepatitis C; Hepatitis Viruses; Humans; Imidazoles; Immune Tolerance; Immunity, Cellular; Male; Middle Aged; Phenotype; Prospective Studies; Pyrrolidines; Ribavirin; Simeprevir; Sofosbuvir; T-Lymphocyte Subsets; Time Factors; Treatment Outcome; Valine; Vasculitis; Viral Load | 2017 |
Cryofibrinogen in patients with hepatitis C virus infection.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Antiviral Agents; Cryoglobulins; Female; Fibrinogens, Abnormal; Follow-Up Studies; Glomerulonephritis, Membranoproliferative; Hepatitis C; Humans; Interferon-alpha; Male; Middle Aged; Ribavirin; Vasculitis | 2008 |
Correlation of clinical and virologic responses to antiviral treatment and regulatory T cell evolution in patients with hepatitis C virus-induced mixed cryoglobulinemia vasculitis.
Topics: Adult; Aged; Aged, 80 and over; Antiviral Agents; Cell Count; Cryoglobulinemia; Drug Therapy, Combination; Female; Flow Cytometry; Forkhead Transcription Factors; Hepacivirus; Hepatitis C, Chronic; Humans; Interferon alpha-2; Interferon-alpha; Male; Middle Aged; Recombinant Proteins; Remission Induction; Ribavirin; Statistics, Nonparametric; T-Lymphocytes, Regulatory; Treatment Outcome; Vasculitis | 2008 |
Causes and predictive factors of mortality in a cohort of patients with hepatitis C virus-related cryoglobulinemic vasculitis treated with antiviral therapy.
Topics: Aged; Aged, 80 and over; Antiviral Agents; Cohort Studies; Cryoglobulinemia; Female; Hepacivirus; Hepatitis C; Humans; Interferon alpha-2; Interferon-alpha; Kaplan-Meier Estimate; Male; Middle Aged; Polyethylene Glycols; Predictive Value of Tests; Prognosis; Recombinant Proteins; Regression Analysis; Retrospective Studies; Ribavirin; Severity of Illness Index; Vasculitis; Viral Load | 2010 |
Urticarial vasculitis with asymptomatic chronic hepatitis C infection: response to doxepin, interferon-alfa, and ribavirin.
Topics: Adolescent; Antiviral Agents; Doxepin; Drug Therapy, Combination; Female; Hepatitis C, Chronic; Histamine Antagonists; Humans; Interferon-alpha; Ribavirin; Urticaria; Vasculitis | 2002 |
Interferon-alpha and ribavirin treatment in patients with hepatitis C virus-related systemic vasculitis.
Topics: Adult; Aged; Antiviral Agents; Female; Follow-Up Studies; Genotype; Hepacivirus; Hepatitis C, Chronic; Humans; Interferon-alpha; Male; Middle Aged; Retrospective Studies; Ribavirin; RNA, Viral; Treatment Outcome; Vasculitis; Viremia | 2002 |
Interferon and ribavirin treatment in patients with hepatitis C-associated renal disease and renal insufficiency.
Topics: Aged; Antiviral Agents; Chromatography, High Pressure Liquid; Creatinine; Female; Glomerulonephritis; Hepacivirus; Hepatitis C; Humans; Interferons; Kidney Diseases; Male; Middle Aged; Renal Insufficiency; Retrospective Studies; Ribavirin; RNA, Viral; Vasculitis | 2003 |
Rituximab induces remission in refractory HCV associated cryoglobulinaemic vasculitis.
Topics: Antibodies, Monoclonal; Antibodies, Monoclonal, Murine-Derived; Antineoplastic Agents; Antiviral Agents; Cryoglobulinemia; Drug Resistance, Neoplasm; Drug Resistance, Viral; Female; Hepatitis C, Chronic; Humans; Interferon alpha-2; Interferon-alpha; Lymphoma, Non-Hodgkin; Middle Aged; Recombinant Proteins; Remission Induction; Ribavirin; Rituximab; Vasculitis | 2003 |
Cutaneous vasculitis with undetectable cryoglobulinemia in chronic hepatitis C.
Topics: Antiviral Agents; Cryoglobulinemia; Female; Hepatitis C, Chronic; Humans; Interferon-alpha; Middle Aged; Ribavirin; Skin Diseases; Vasculitis | 2004 |
PEGylated interferon alfa-2b and ribavirin treatment in patients with hepatitis C virus-related systemic vasculitis.
Topics: Aged; Antiviral Agents; Cryoglobulinemia; Drug Therapy, Combination; Female; Hepatitis C; Humans; Interferon alpha-2; Interferon-alpha; Male; Middle Aged; Polyethylene Glycols; Recombinant Proteins; Ribavirin; Treatment Outcome; Vasculitis | 2005 |
Persistent cryoglobulinemic vasculitis following successful treatment of hepatitis C virus.
Topics: Antiviral Agents; Cryoglobulinemia; Female; Hepacivirus; Hepatitis C; Humans; Interferon alpha-2; Interferon-alpha; Male; Middle Aged; Polyethylene Glycols; Recombinant Proteins; Retrospective Studies; Ribavirin; RNA, Viral; Vasculitis | 2005 |
Ischaemic jejunal vasculitis during treatment with pegylated interferon-alpha 2b and ribavirin for hepatitis C virus related cirrhosis.
Topics: Antiviral Agents; Drug Therapy, Combination; Hepatitis C, Chronic; Humans; Infarction; Interferon alpha-2; Interferon-alpha; Ischemia; Jejunum; Liver Cirrhosis; Male; Middle Aged; Polyethylene Glycols; Recombinant Proteins; Ribavirin; Vasculitis | 2006 |
[Therapy with peginterferon alfa in a patient with polyneuropathy caused by hepatitis C-associated vasculitis].
Topics: Adult; Antiviral Agents; Dose-Response Relationship, Drug; Drug Administration Schedule; Drug Therapy, Combination; Female; Hepatitis C, Chronic; Humans; Inflammation Mediators; Interferon alpha-2; Interferon-alpha; Liver Function Tests; Neuritis; Neurologic Examination; Polyethylene Glycols; Recombinant Proteins; Ribavirin; Vasculitis | 2006 |
[A case of vasculitis in chronic hepatitis C patient treated with pegylated interferon alpha-2a and ribavirin].
Topics: Antiviral Agents; Drug Therapy, Combination; Female; Hepatitis C, Chronic; Humans; Interferon alpha-2; Interferon-alpha; Liver Function Tests; Middle Aged; Polyethylene Glycols; Recombinant Proteins; Ribavirin; Skin; Vasculitis | 2007 |
Relapse of hepatitis C virus-associated mixed cryoglobulinemia vasculitis in patients with sustained viral response.
Topics: Adult; Aged; Antiviral Agents; Cryoglobulinemia; Drug Therapy, Combination; Female; Follow-Up Studies; Hepacivirus; Hepatitis C, Chronic; Humans; Interferon-alpha; Lymphoma, B-Cell; Male; Middle Aged; Recurrence; Reverse Transcriptase Polymerase Chain Reaction; Ribavirin; RNA, Viral; Vasculitis; Virus Replication | 2008 |