• Συστηματικός ερυθηματώδης λύκος και ιδιαίτερα ο νευροψυχιατρικός λύκος
• Βιολογικοί παράγοντες στη θεραπεία των αυτοανόσων νοσημάτων
• Αποδεικτική ιατρική και ιδιαίτερα μετα-αναλύσεις στο πεδίο της ρευματολογίας

1. Karassa FB, Ioannidis JP, Touloumi G, Boki KA, Moutsopoulos HM. Risk factors for central nervous system involvement in systemic lupus erythematosus. QJM 2000; 93:169-74. (IF: 7.3)
2. Karassa FB, Ioannidis JP, Boki KA, Touloumi G, Argyropoulou MI, Strigaris KA, Moutsopoulos HM. Predictors of clinical outcome and radiologic progression in patients with neuropsychiatric manifestations of systemic lupus erythematosus. Am J Med. 2000; 109:
628-34. (IF: 5.1)
3. Karassa FB, Magliano M, Isenberg DA. Suicide attempts in patients with systemic lupus erythematosus. Ann Rheum Dis. 2003; 62: 58-60. (IF: 20.3)
4. Ioannidis JPA, Ralston SH, Bennett ST, Brandi ML, Grinberg D, Karassa FB, Langdahl B, van Meurs JBJ, Mosekilde L, Scollen S, Albagha OME, Bustamante M, Carey AH, Dunning AM, Enjuanes A, van Leeuwen JPTM, Mavilia C, Masi L, McGuigan FEA, Nogues X, Pols HAP, Reid DM, Schuit SCE, Sherlock RE, Uitterlinden AG for the GENOMOS Study. Differential genetic effects of ESR1 gene polymorphisms on osteoporosis outcomes. JAMA 2004; 292: 2105-14. (IF: 63.1)
5. Karassa FB, Matsagas MI, Schmidt WA, Ioannidis JPA. Meta-Analysis: Test performance of ultrasonography for giant-cell arteritis. Ann Intern Med. 2005; 142: 359-69. (IF: 19.6)
6. Karassa FB, Afeltra A, Ambrozic A, Chang DM, De Keyser F, Doria A, Galeazzi M, Hirohata S, Hoffman IEA, Inanc M, Massardo L, Mathieu A, Mok CC, Morozzi G, Sanna G, Spindler AJ, Tzioufas AG, Yoshio T, Ioannidis JPA. Accuracy of anti-ribosomal P protein antibody testing for diagnosis of neuropsychiatric systemic lupus erythematosus: an international meta-analysis. Arthritis Rheum. 2006; 54: 312-24. (IF: 11.4)
7. Ioannidis JPA, Karassa FB. The need to consider the wider agenda in systematic reviews and meta-analyses: breadth, timing, and depth of the evidence. BMJ. 2010;341: c4875. doi: 10.1136/bmj.c4875. (IF: 93.6)
8. Karassa FB, Ioannidis JPA. Clinical trials: A transparent future for clinical trial reporting. Nat Rev Rheumatol. 2015; 11: 324-5. (IF: 20.3)