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Rational: Pending the authorization of new anti‐CMV drugs with fewer adverse effects, exploring the possibilities offered by CMV immunoglobulins (CMVIG) seems necessary. In France, access to CMVIG requires official authorization by the national Health authority and is restricted to second line rescue therapy for CMV infection/disease. The aim of this multicenter retrospective study is to describe the indications and clinical situations that justified its use in France. Methods: A multicenter retrospective study included 22 lung transplant patients over a 3‐year period. Data on clinical indication, tolerance and efficacy were collected. Results: The main indication for CMVIG initiation, which was documented in 17 of them (82%) was complex clinical situations resulting from side effects to antiviral drug. CMVIG indication was documented as treatment for 15 patients (68%) and as a secondary prophylaxis for 7 patients (32%). Only one side effect (pruritus during infusion with no anaphylactic symptoms) attributable to CMVIG was reported. After CMVIG initiation, no recurrence of infection or disease was observed during a median follow‐up of 174 (12–682) days after treatment initiation for respectively 68% and 66% of the patients. Conclusion: This study describes an unusual indication of CMVIG use as a last resort treatment in complex situations, based on clinical needs. CMVIG could be useful to change the course of CMV infection with minimal adverse effects or comorbidity. [ABSTRACT FROM AUTHOR]