Vivas ÁJ, Bautista-Vargas M, Portacio S, Garcés-Palacio A, Urbano MA, Agualimpia A, Ruiz-Ordoñez I, Nieto-Aristizábal I, Tobón GJ. Reproducibility of minor salivary gland biopsy reports in Sjögren's syndrome and its correlation with disease biomarkers. Clin Rheumatol. 2021 Jan 7. doi: 10.1007/s10067-020-05532-3. Epub ahead of print. PMID: 33411139.

Aragón CC, Ruiz-Ordoñez I, Nieto-Aristizábal I, Sánchez A, Muñoz LE, Vásquez S, Montoya C, Tobón GJ. Letter to the editor: Frontal fibrosing alopecia: An autoimmune manifestation? Autoimmun Rev. 2021 Feb;20(2):102728. doi: 10.1016/j.autrev.2020.102728. Epub 2020 Dec 13. PMID: 33321246.

Posso-Osorio I, Las Salas A, Tobón GJ, Sierra-Ruiz M, Cañas CA, Bravo JC, Moncada PA. Mycobacterium malmoense: an unusual pathogen causing endocarditis, a case report and literature review. IDCases. 2020 Oct 24;22:e00999. doi: 10.1016/j.idcr.2020.e00999. PMID: 33194551; PMCID: PMC7642850.

Bautista-Vargas M, Vivas AJ, Tobón GJ. Minor salivary gland biopsy: Its role in the classification and prognosis of Sjögren's syndrome. Autoimmun Rev. 2020 Dec;19(12):102690. doi: 10.1016/j.autrev.2020.102690. Epub 2020 Oct 22. PMID: 33099041.

Nieto-Aristizábal I, Vivas ÁJ, Ruiz-Montaño P, Aragón CC, Posso-Osorio I, Quiñones J, Rivillas JA, Tobón GJ. Therapeutic Plasma Exchange as a Treatment for Autoimmune Neurological Disease. Autoimmune Dis. 2020 Jul 31;2020:3484659. doi: 10.1155/2020/3484659. PMID: 32802495; PMCID: PMC7415086.

Suárez-Avellaneda A, Quintana JH, Aragón CC, Gallego LM, Gallego CN, Bolaños JD, A Guerra M, Ochoa ME, Granados M, Ruiz-Ordoñez I, Tobón GJ. Systemic lupus erythematosus in the intensive care unit: a systematic review. Lupus. 2020 Oct;29(11):1364-1376. doi: 10.1177/0961203320941941. Epub 2020 Jul 28. PMID: 32723062.

Aragón CC, Ruiz-Ordoñez I, Quintana JH, Suárez-Avellaneda A, Gallego LM, Gallego CN, Bolaños JD, Guerra MA, Ochoa ME, Granados M, Tobón GJ. Clinical characterization, outcomes, and prognosis in patients with systemic lupus erythematosus admitted to the intensive care unit. Lupus. 2020 Aug;29(9):1133-1139. doi: 10.1177/0961203320935176. Epub 2020 Jun 30. PMID: 32605526.

Posso-Osorio I, Nieto-Aristizábal I, Soto D, Ariza C, Urbano M, Cañas CA, Echeverri A, Castillo A, Tobón GJ. Validation and Adaptation to Spanish of the EULAR Sjögren's Syndrome Patient Reported Index (ESSPRI). Reumatol Clin. 2020 Jun 21:S1699-258X(20)30008-5. English, Spanish. doi: 10.1016/j.reuma.2020.01.001. Epub ahead of print. PMID: 32576536.

Ruiz-Ordoñez I, Aragón CC, Padilla-Guzmán A, Rosero F, Gallego A, Quintana JH, Suárez-Avellaneda A, Tobón GJ. Sjögren Syndrome in the Intensive Care Unit: An Observational Study. J Clin Rheumatol. 2020 Oct;26(7S Suppl 2):S174-S179. doi: 10.1097/RHU.0000000000001335. PMID: 32000226.

Quintana JH, Aragón CC, Santos VA, de Las Salas A, Tafúr RA, Aguirre- Valencia D, Cañas CA, Tobón GJ. Diffuse Alveolar Hemorrhage: A Cohort of Patients With Systemic Lupus Erythematosus. J Clin Rheumatol. 2020 Oct;26(7S Suppl 2):S153-S157. doi: 10.1097/RHU.0000000000001228. PMID: 31895107.

Nieto-Aristizábal I, Martínez T, Urbano MA, Posso-Osorio I, Plata IF, Garcia-Robledo JE, Aragón CC, Santos VA, Tobón GJ. Treatment with intravenous immunoglobulins in systemic lupus erythematosus: a single-center experience with 63 patients. Lupus. 2019 Nov;28(13):1566-1570. doi: 10.1177/0961203319883680. Epub 2019 Oct 25. PMID: 31653191.

Prada SI, Perez AM, Nieto-Aristizábal I, Tobón GJ. Direct cost of lupus care in the developing world: the case of Colombia. Lupus. 2019 Jul;28(8):970-976. doi: 10.1177/0961203319856093. Epub 2019 Jun 15. PMID: 31204587.

Aguirre-Valencia D, Suárez-Avellaneda A, Ocampo-Piraquive V, Posso-Osorio I, Naranjo-Escobar J, Nieto-Aristizábal I, Tobón GJ, Cañas CA. Correction to: Mortality in patients with systemic lupus erythematosus in Colombia: a case series. Clin Rheumatol. 2019 Jul;38(7):2023. doi: 10.1007/s10067-019-04593-3. Erratum for: Clin Rheumatol. 2019 Jul;38(7):1865-1871. PMID: 31111364.

Aguirre-Valencia D, Suárez-Avellaneda A, Ocampo-Piraquive V, Posso-Osorio I, Naranjo-Escobar J, Nieto-Aristizábal I, Tobón GJ, Cañas CA. Mortality in patients with systemic lupus erythematosus in Colombia: a case series. Clin Rheumatol. 2019 Jul;38(7):1865-1871. doi: 10.1007/s10067-019-04546-w. Epub 2019 Apr 15. Erratum in: Clin Rheumatol. 2019 May 21;: PMID: 30989407.

Aguirre-Valencia D, Naranjo-Escobar J, Posso-Osorio I, Macía-Mejía MC, Nieto-Aristizábal I, Barrera T, Obando MA, Tobón GJ. Therapeutic Plasma Exchange as Management of Complicated Systemic Lupus Erythematosus and Other Autoimmune Diseases. Autoimmune Dis. 2019 Mar 11;2019:5350960. doi: 10.1155/2019/5350960. PMID: 30984421; PMCID: PMC6432729.

Garcia-Robledo JE, Aragón CC, Nieto-Aristizabal I, Posso-Osorio I, Cañas CA, Tobón GJ. Comment on: Tofacitinib for familial Mediterranean fever: a new alternative therapy?: reply. Rheumatology (Oxford). 2019 May 1;58(5):924-925. doi: 10.1093/rheumatology/kez047. PMID: 30793753.

Santos VA, Tobón GJ, Cañas CA. Development of bronchiectasis during long- term rituximab treatment for rheumatoid arthritis. Adv Respir Med. 2018 Dec 30. doi: 10.5603/ARM.a2018.0050. Epub ahead of print. PMID: 30594999.

Garcia-Robledo JE, Aragón CC, Nieto-Aristizabal I, Posso-Osorio I, Cañas CA, Tobón GJ. Tofacitinib for familial Mediterranean fever: a new alternative therapy? Rheumatology (Oxford). 2019 Mar 1;58(3):553-554. doi: 10.1093/rheumatology/key384. PMID: 30535114.

Ocampo-Piraquive V, Nieto-Aristizábal I, Cañas CA, Tobón GJ. Mortality in systemic lupus erythematosus: causes, predictors and interventions. Expert Rev Clin Immunol. 2018 Dec;14(12):1043-1053. doi: 10.1080/1744666X.2018.1538789. Epub 2018 Oct 24. PMID: 30338717.

Posso-Osorio I, Naranjo-Escobar J, Loaiza DM, Polo M, Echeverri A, Tobón GJ. Neurological Involvement as the Initial Manifestation in Primary Sjögren's Syndrome - A Case Report. Curr Rheumatol Rev. 2019;15(3):254-258. doi: 10.2174/1573397114666180731101142. PMID: 30062971.

Navarro EP, Posso-Osorio I, Aguirre-Valencia D, Naranjo-Escobar J, Tobón GJ. Tofacitinib and Risk of Peripheral Neuropathy? Experience of 2 Cases in Patients With Rheumatoid Arthritis. J Clin Rheumatol. 2021 Mar 1;27(2):e58-e60. doi: 10.1097/RHU.0000000000000864. PMID: 30028803.

Canas CA, Bonilla-Abadia F, Vallejo K, Rengifo HM, Gallon MA, Tobon GJ. Successful Treatment for Severe Thyroid-associated Ophthalmopathy with Tocilizumab. Endocr Metab Immune Disord Drug Targets. 2018;18(6):665-667. doi: 10.2174/1871530318666180702150243. PMID: 29962351.

Naranjo-Escobar J, Hormaza AA, Posso-Osorio I, Pino-Escobar J, Betancur JF, Tobón GJ. Systemic Sclerosis at an Intensive Care Unit: A Case Series and Literature Review. J Clin Rheumatol. 2019 Jun;25(4):181-185. doi: 10.1097/RHU.0000000000000827. PMID: 29912771.

Ospina FE, Echeverri A, Posso-Osorio I, Jaimes L, Gutierrez J, Tobón GJ. Bevacizumab as a treatment for hereditary hemorrhagic telangiectasia in children: a case report. Colomb Med (Cali). 2017 Jun 30;48(2):88-93. PMID: 29021642; PMCID: PMC5625558.

Aguirre-Valencia D, Posso-Osorio I, Bravo JC, Bonilla-Abadía F, Tobón GJ, Cañas CA. Sequential rituximab and omalizumab for the treatment of eosinophilic granulomatosis with polyangiitis (Churg-Strauss syndrome). Clin Rheumatol. 2017 Sep;36(9):2159-2162. doi: 10.1007/s10067-017-3780-9. Epub 2017 Jul 31. PMID: 28762062.

Suso JP, Zuñiga-Velásquez A, Vernaza-Pizarro A, Tobón GJ, Cañas CA, Bonilla- Abadía F. Severe deformans tophaceous gouty arthritis. Joint Bone Spine. 2017 Mar;84(2):227. doi: 10.1016/j.jbspin.2016.02.025. Epub 2016 May 25. PMID: 27236264.

Posso-Osorio I, Méndez-Rayo T, Jimenez CA, Escobar D, Sepúlveda M, Navarro EP, Tobón GJ. Hepatic infiltration by silicone in a patient With ASIA syndrome. Hepatology. 2018 Jan;67(1):444-445. doi: 10.1002/hep.29274. Epub 2017 Nov 13. Erratum in: Hepatology. 2018 Jul;68(1):392. PMID: 28520200.

Naranjo-Escobar J, Manzi E, Posada JG, Mesa L, Echeverri GJ, Duran C, Schweneiberg J, Caicedo LA, Villegas JI, Tobón GJ. Kidney transplantation for end-stage renal disease in lupus nephritis, a very safe procedure: a single Latin American transplant center experience. Lupus. 2017 Oct;26(11):1157-1165. doi: 10.1177/0961203317696591. Epub 2017 Mar 14. PMID: 28420067.

Hormaza AA, Tobón GJ, Cañas CA, Suso JP, Bonilla-Abadía F. Indirect Carotid- Cavernous Fistula Mimicking Scleritis. J Clin Rheumatol. 2017 Mar;23(2):117. doi: 10.1097/RHU.0000000000000454. PMID: 28099217.

Montoya CL, Gonzalez ML, Ospina FE, Tobón GJ. A Rare Case of Amyopathic Juvenile Dermatomyositis Associated With Psoriasis Successfully Treated With Ustekinumab. J Clin Rheumatol. 2017 Mar;23(2):129-130. doi: 10.1097/RHU.0000000000000430. PMID: 28099216.

Echeverri AF, Ospina FE, Cañas CA, Agualimpia A, Suso JP, Tobón GJ, Bonilla- Abadía F. Worsening of calcinosis cutis with teriparatide treatment in two osteoporotic patients. Br J Dermatol. 2016 Nov;175(5):1049-1051. doi: 10.1111/bjd.14550. Epub 2016 Jun 20. PMID: 26992073.

Navarro EP, Cañas CA, Tobón GJ. Management of Raynaud's digital ulcer with interdigital Botulinum toxin A injection. Rheumatology (Oxford). 2016 Jul;55(7):1216. doi: 10.1093/rheumatology/kew225. Epub 2016 May 6. PMID: 27155203.

Betancur JF, Navarro EP, Bravo Bonilla JH, Cortés AD, Vélez JD, Echeverry A, Suso JP, Cañas CA, Tobón GJ. Catastrophic Antiphospholipid Syndrome Triggered by Fulminant Chikungunya Infection in a Patient With Systemic Lupus Erythematosus. Arthritis Rheumatol. 2016 Apr;68(4):1044. doi: 10.1002/art.39580. PMID: 26748818.

Betancur JF, Bonilla-Abadía F, Hormaza AA, Jaramillo FJ, Cañas CA, Tobón GJ. Direct oral anticoagulants in antiphospholipid syndrome: a real life case series. Lupus. 2016 May;25(6):658-62. doi: 10.1177/0961203315624555. Epub 2016 Jan 6. PMID: 26743321.

Betancur JF, Navarro EP, Echeverry A, Moncada PA, Cañas CA, Tobón GJ. Hyperferritinemic syndrome: Still's disease and catastrophic antiphospholipid syndrome triggered by fulminant Chikungunya infection: a case report of two patients. Clin Rheumatol. 2015 Nov;34(11):1989-92. doi: 10.1007/s10067-015-3040-9. Epub 2015 Aug 2. PMID: 26233722.

Cañas CA, Bonilla-Abadía F, Mejía M, Tobón GJ. Recovery of Severe Muscular and Fascial Calcinosis After Treatment With Bisphosphonates in a Child With Juvenile Dermatomyositis. J Clin Rheumatol. 2015 Aug;21(5):267-9. doi: 10.1097/RHU.0000000000000264. PMID: 26203832.

Echeverri AF, Vidal A, Cañas CA, Agualimpia A, Tobón GJ, Bonilla-Abadía F. Etanercept-induced pityriasis lichenoides chronica in a patient with rheumatoid arthritis. Case Rep Dermatol Med. 2015;2015:168063. doi: 10.1155/2015/168063. Epub 2015 Feb 18. PMID: 25789178; PMCID: PMC4348615.

Ospina FE, Agualimpia A, Bonilla-Abadía F, Cañas CA, Tobón GJ. Pneumocystis jirovecii Pneumonia in a Patient with Rheumatoid Arthritis Treated with Abatacept. Case Rep Rheumatol. 2014;2014:835050. doi: 10.1155/2014/835050. Epub 2014 Sep 17. PMID: 25313341; PMCID: PMC4182847.

Ortiz-Sierra MC, Echeverri AF, Tobón GJ, Cañas CA. Developing of Granulomatosis with Polyangiitis during Etanercept Therapy. Case Rep Rheumatol. 2014;2014:210108. doi: 10.1155/2014/210108. Epub 2014 Mar 6. PMID: 24707429; PMCID: PMC3965911.

Cañas CA, Cañas F, Izquierdo JH, Echeverri AF, Mejía M, Bonilla-Abadía F, Tobón GJ. Efficacy and safety of anti-interleukin 6 receptor monoclonal antibody (tocilizumab) in Colombian patients with Takayasu arteritis. J Clin Rheumatol. 2014 Apr;20(3):125-9. doi: 10.1097/RHU.0000000000000098. PMID: 24662551.

Bonilla-Abadía F, Coronel Restrepo N, Tobón GJ, Echeverri AF, Muñoz-Buitrón E, Castro AM, Bejarano MA, Cañas CA. Rituximab for remission induction and maintenance in refractory systemic lupus erythematosus. Autoimmune Dis. 2014;2014:731806. doi: 10.1155/2014/731806. Epub 2014 Jan 16. PMID: 24527208; PMCID: PMC3914290.

Bonilla-Abadía F, Betancurt JF, Pineda JC, Vélez JD, Tobón GJ, Cañas CA. Pneumocystis jirovecii pneumonia in two patients with systemic lupus erythematosus after rituximab therapy. Clin Rheumatol. 2014 Mar;33(3):415-8. doi: 10.1007/s10067-013-2475-0. Epub 2014 Jan 9. PMID: 24402739.

Meza JC, Muñoz-Buitrón E, Bonilla-Abadía F, Cañas CA, Tobón GJ. Still's Disease in a Pediatric Patient after Liver Transplantation. Case Rep Rheumatol. 2013;2013:767684. doi: 10.1155/2013/767684. Epub 2013 Nov 5. PMID: 24303223; PMCID: PMC3835761.

Coronel-Restrepo N, Bonilla-Abadía F, Cortes OA, Izquierdo JH, Shinchi AM, Bravo JC, Tobón GJ, Cañas CA. Primary angiitis of the central nervous system: a report of three cases from a single colombian center. Case Rep Neurol Med. 2013;2013:940438. doi: 10.1155/2013/940438. Epub 2013 May 8. PMID: 23738167; PMCID: PMC3664475.

Bonilla-Abadía F, Pérez MA, Muñoz-Buitrón E, Rosales JD, Cañas CA, Tobón GJ. Fatal Blastoid Variant Mantle Cell Lymphoma in a Patient with Sjögren's Syndrome. Case Rep Rheumatol. 2013;2013:831708. doi: 10.1155/2013/831708. Epub 2013 Apr 23. PMID: 23710406; PMCID: PMC3655507.

Saraux A, Tobón GJ, Benhamou M, Devauchelle-Pensec V, Dougados M, Mariette X, Berenbaum F, Chiocchia G, Rat AC, Schaeverbeke T, Rincheval N, Meyer O, Fautrel B, Combe B. Potential classification criteria for rheumatoid arthritis after two years: results from a French multicenter cohort. Arthritis Care Res (Hoboken). 2013 Aug;65(8):1227-34. doi: 10.1002/acr.21982. PMID: 23401491.

Izquierdo JH, Bonilla-Abadía F, Ochoa CD, Agualimpia A, Tobón GJ, Cañas CA. Acute Generalized Exanthematous Pustulosis due to Tocilizumab in a Rheumatoid Arthritis Patient. Case Rep Rheumatol. 2012;2012:517424. doi: 10.1155/2012/517424. Epub 2012 Dec 12. PMID: 23304614; PMCID: PMC3530750.

Funck-Brentano T, Gandjbakhch F, Etchepare F, Jousse-Joulin S, Miquel A, Cyteval C, Lukas C, Tobón GJ, Saraux A, Boumier P, Goupille P, Bourgeois P, Fautrel B. Prediction of radiographic damage in early arthritis by sonographic erosions and power Doppler signal: a longitudinal observational study. Arthritis Care Res (Hoboken). 2013 Jun;65(6):896-902. doi: 10.1002/acr.21912. PMID: 23212992.

Cañas CA, Díaz-Martínez JC, Tobón GJ. Combination of hypertrophic pachymeningitis, PR3-ANCA-positive vasculitis, and relapsing polychondritis. J Rheumatol. 2011 May;38(5):966-7. doi: 10.3899/jrheum.101238. PMID: 21532066.

Anaya JM, Cañas C, Mantilla RD, Pineda-Tamayo R, Tobón GJ, Herrera-Diaz C, Rendón DM, Rojas-Villarraga A, Uribe M. Lupus nephritis in Colombians: contrasts and comparisons with other populations. Clin Rev Allergy Immunol. 2011 Jun;40(3):199-207. doi: 10.1007/s12016-010-8249-4. PMID: 21287296.

Cañas CA, Durán CE, Bravo JC, Castaño DE, Tobón GJ. Leg ulcers in the antiphospholipid syndrome may be considered as a form of pyoderma gangrenosum and they respond favorably to treatment with immunosuppression and anticoagulation. Rheumatol Int. 2010 Jul;30(9):1253-7. doi: 10.1007/s00296-010-1418-1. Epub 2010 Mar 28. PMID: 20349240.

Tobón GJ, Serna MJ, Cañas CA. Listeria monocytogenes infection in patients with systemic lupus erythematosus. Clin Rheumatol. 2013 Mar;32 Suppl 1:S25-7. doi: 10.1007/s10067-010-1416-4. Epub 2010 Mar 7. PMID: 20213126.

Cañas CA, Tobón GJ, Arango LG, Guarín N. Developing of granulomatous thyroiditis during etanercept therapy. Clin Rheumatol. 2009 Jun;28 Suppl 1:S17-9. doi: 10.1007/s10067-008-1046-2. Epub 2008 Nov 29. PMID: 19043773.

Cañas CA, Tobón GJ. Multiple brain calcifications in a patient with systemic lupus erythematosus. Clin Rheumatol. 2008 Dec;27 Suppl 2:S63-5. doi: 10.1007/s10067-008-0933-x. Epub 2008 May 28. PMID: 18506566.

Galarza C, Valencia D, Tobón GJ, Zurita L, Mantilla RD, Pineda-Tamayo R, Rojas-Villarraga A, Rueda JC, Anaya JM. Should rituximab be considered as the first-choice treatment for severe autoimmune rheumatic diseases? Clin Rev Allergy Immunol. 2008 Feb;34(1):124-8. doi: 10.1007/s12016-007-8028-z. PMID: 18270866.

Tobón GJ, Toro CE, Bravo JC, Cañas CA. Linear IgA bullous dermatosis associated with systemic lupus erythematosus: a case report. Clin Rheumatol. 2008 Mar;27(3):391-3. doi: 10.1007/s10067-007-0752-5. Epub 2007 Oct 12. PMID: 17932615.

Cañas C, Tobón GJ, Granados M, Fernández L. Diffuse alveolar hemorrhage in Colombian patients with systemic lupus erythematosus. Clin Rheumatol. 2007 Nov;26(11):1947-9. doi: 10.1007/s10067-007-0576-3. Epub 2007 Mar 22. PMID: 17377738.

Tobon GJ, Cañas C, Jaller JJ, Restrepo JC, Anaya JM. Serious liver disease induced by infliximab. Clin Rheumatol. 2007 Apr;26(4):578-81. doi: 10.1007/s10067-005-0169-y. Epub 2006 Mar 18. PMID: 16547695.