ERN ReCONNET
Activities
The SCIENTIFIC VOICE of the ERN ReCONNET MEMBERS

Identification of red flags for IgG4-related disease: an international European Reference Network for Rare Connective Tissue Diseases framework
Della-Torre E, Talarico R, Ballarin J, Bozzalla-Cassione E, Cardamone C, Cigolini C, Ferro F, Fonseca T, Fragoulis GE, Galetti I, Gerosa M, Hernández-Rodríguez J, Lanzillotta M, Marinello D, Martin T, Martinez-Valle F, Maślińska M, Moretti M, Mosca M, Müller-Ladner U, Nalli C, Orsolini G, Pamfil C, Perez-Garcia G, Priori R, Quattrocchio G, Ramming A, Regola F, Romão VC, Silva A, van Laar JAM, Vicente-Edo MJ, Vinker S, Alexander T. Identification of red flags for IgG4-related disease: an international European Reference Network for Rare Connective Tissue Diseases framework. Lancet Rheumatol. 2025 Jan;7(1):e64-e71. doi: 10.1016/S2665-9913(24)00192-9. Epub 2024 Oct 29. PMID: 39486422.
Improving organisation to improve care: ERN ReCONNET organisational reference model for systemic sclerosis patients’ care pathway
Talarico R, Marinello D, Palla I, Cannizzo S, Galetti I, Farrington S, Aguilera S, Andersen J, Ceccatelli E, Cornet A, Cutillas G, Esteves M, Frank C, Leite C, Niehaus G, Perez Gomez E, Polfliet K, Sandulescu S, Schriemer R, Barsotti S, Bellando-Randone S, Beretta L, Bernardino V, Boleto G, Bombardieri S, Burmester G, Cavazzana I, Codullo V, Cutolo M, Dalm V, Damian L, Della Rossa A, Doria A, Farhat MM, Fonseca JE, Hachulla E, Houssiau F, Grazia Lazzaroni M, Limper M, Lorenzoni V, Montecucco C, Mosca M, Mouthon L, Müeller-Ladner U, Pha M, Ponte C, Spierings J, Sulli A, Taulaigo AV, Ticciati S, Tincani A, Toplak N, Trieste L, van Hagen PM, van Laar J, Vanthuyne M, Vigone B, de Vries-Bouwstra JK, Zen M, Turchetti G, Smith V, Matucci Cerinic M. Improving organisation to improve care: ERN ReCONNET organisational reference model for systemic sclerosis patients’ care pathway. J Scleroderma Relat Disord. 2024 Oct 7:23971983241269109. doi: 10.1177/23971983241269109. Epub ahead of print. PMID: 39544904; PMCID: PMC11559522.
ERN ReCONNET points to consider for treating patients living with autoimmune rheumatic diseases with antiviral therapies and anti-SARS-CoV-2 antibody products.
Talarico R, Ramirez GA, Barreira SC, Cardamone C, Triggianese P, Aguilera S, Andersen J, Avcin T, Benistan K, Bertsias G, Bortoluzzi A, Bouillot C, Bulina I, Burmester GR, Callens S, Carreira PE, Cervera R, Cutolo M, Damian L, Della-Torre E, Faria R, Fonseca JE, Galetti I, Hachulla E, Iaccarino L, Jacobsen S, Khmelinskii N, Limper M, Marinello D, Meyer A, Moroncini G, Nagy G, Olesinska M, Pamfil C, Pileckyte M, Pistello M, Rednic S, Richez C, Romão VC, Schneider M, Sciascia S, Scirè CA, Simonini G, Smith V, Sulli A, Tani C, Tas SW, Tincani A, Vonk MC, Tektonidou M, Mosca M. ERN ReCONNET points to consider for treating patients living with autoimmune rheumatic diseases with antiviral therapies and anti-SARS-CoV-2 antibody products. Clin Exp Rheumatol. 2023 Mar;41(3):543-553. doi: 10.55563/clinexprheumatol/jpargp. Epub 2023 Mar 14. PMID: 36916322.
An overlook on the current registries for rare and complex connective tissue diseases and the future scenario of TogethERN ReCONNET
Bandeira M, Di Cianni F, Marinello D, Arnaud L, Cannizzo S, Carta C, Cornet A, Barril SM, Bulina I, Ferraris A, Fonseca J, Gaglioti A, Limper M, Lorenzoni V, Majnik J, Matucci-Cerinic M, Palla I, Rednic S, Schneider M, Smith V, Sulli A, Søndergaard K, Ticciati S, Tincani A, Turchetti G, Talarico R, Cutolo M, Mosca M, Taruscio D. An overlook on the current registries for rare and complex connective tissue diseases and the future scenario of TogethERN ReCONNET. Front Med (Lausanne). 2022 Sep 26;9:889997. doi: 10.3389/fmed.2022.889997. PMID: 36226147; PMCID: PMC9549150.
The impact of COVID-19 on rare and complex connective tissue diseases: the experience of ERN ReCONNET
Talarico R, Aguilera S, Alexander T, Amoura Z, Antunes AM, Arnaud L, Avcin T, Beretta L, Bombardieri S, Burmester GR, Cannizzo S, Cavagna L, Chaigne B, Cornet A, Costedoat-Chalumeau N, Doria A, Ferraris A, Fischer-Betz R, Fonseca JE, Frank C, Gaglioti A, Galetti I, Grunert J, Guimarães V, Hachulla E, Houssiau F, Iaccarino L, Krieg T, Limper M, Malfait F, Mariette X, Marinello D, Martin T, Matthews L, Matucci-Cerinic M, Meyer A, Montecucco C, Mouthon L, Müller-Ladner U, Rednic S, Romão VC, Schneider M, Smith V, Sulli A, Tamirou F, Taruscio D, Taulaigo AV, Terol E, Tincani A, Ticciati S, Turchetti G, van Hagen PM, van Laar JM, Vieira A, de Vries-Bouwstra JK, Cutolo M, Mosca M. The impact of COVID-19 on rare and complex connective tissue diseases: the experience of ERN ReCONNET. Nat Rev Rheumatol. 2021 Mar;17(3):177-184. doi: 10.1038/s41584-020-00565-z. Epub 2021 Jan 6. Erratum in: Nat Rev Rheumatol. 2022 Dec;18(12):734. doi: 10.1038/s41584-022-00862-9. PMID: 33408338; PMCID: PMC7786339.
An Opportunity to Harmonise the Approach to Patients’ Care Pathways for Rare and Complex Diseases: RarERN Path™
Talarico R, Marinello D, Cannizzo S, Palla I, Ticciati S, Gaglioti A, Rys A, Milli C, Taruscio D, Mosca M, Turchetti G. An Opportunity to Harmonise the Approach to Patients’ Care Pathways for Rare and Complex Diseases: RarERN Path™. Front Health Serv. 2022 Jul 13;2:935014. doi: 10.3389/frhs.2022.935014. PMID: 36925875; PMCID: PMC10012666.
RarERN Path: a methodology towards the optimisation of patients’ care pathways in rare and complex diseases developed within the European Reference Networks
Talarico R, Cannizzo S, Lorenzoni V, Marinello D, Palla I, Pirri S, Ticciati S, Trieste L, Triulzi I, Terol E, Bucher A, Turchetti G. RarERN Path: a methodology towards the optimisation of patients’ care pathways in rare and complex diseases developed within the European Reference Networks. Orphanet J Rare Dis. 2020 Dec 14;15(1):347. doi: 10.1186/s13023-020-01631-1. Erratum in: Orphanet J Rare Dis. 2021 Mar 22;16(1):146. doi: 10.1186/s13023-021-01778-5. PMID: 33317578; PMCID: PMC7734838.
ERN ReCONNET SUPPLEMENT

Rare inside rare: Rare aspects of rare and complex connective tissue and musculoskeletal diseases
The Supplement (Clinical and Experimental Rheumatology, 2022) presents an overview on different and relevant aspects associated to such rare and complex diseases with a collection of reviews, scientific articles, and case reposts. Below the specific links to the single articles.
Review
Full Papers
Rarities in rare: illuminating the microvascular and dermal status in juvenile localised scleroderma. A case series. Vanhaecke et al.
Gender differences in primary antiphospholipid syndrome with vascular manifestations in 433 patients from four European centres. Moschetti et al.
Anti-Ro52 antibodies positivity in antisynthetase syndrome: a single centre cohort study. Bozzalla-Cassione et al.
Off-label use of mycophenolate mofetil in the treatment of rare and complex rheumatic connective tissue diseases. Bandeira et al.
Brief Papers
Health-related quality of life in patients with mixed connective tissue disease: a comparison with matched systemic sclerosis patients. Abouyahya et al.
Reviews
Blood biomarkers recommended for diagnosing and monitoring IgG4-related disease. Considerations from the ERN ReCONNET and collaborating partners. Iaccarino et al.
Treatment of relapsing polychondritis: a systematic review. Petitdemange et al.
Sjögren’s syndrome and other rare and complex connective tissue diseases: an intriguing liaison. Baldini et al.
Case Reports
Hoarseness as the presentation of immunoglobulin G4-related disease with vocal cord and mediastinal infiltration. Dourado et al.
Efficacy of intravenous immunoglobulin in shrinking lung syndrome associated with mixed connective tissue disease: a case report. Silvério-António et al.
Respiratory failure due to concomitant interstitial lung disease and diaphragmatic involvement in a patient with anti-MDA5 dermatomyositis: a case report. Grignaschi et al.
STATE of the ART on CPGs
