Medication review (MR) is a vital part of the pharmacist’s role in hospital. However, in the South Infirmary Victoria University Hospital (SIVUH), Cork, Ireland, this has not been fully implemented due to resource issues. In addition, the cost of providing this service has not been evaluated. Moreover, it is not clear how other members of the multidisciplinary team e.g., Nurses, value any interventions made as a result of the MR. This mixed methods study assessed the impact of MR in terms of (i) potential clinical harm, (ii) cost avoidance and (iii) the views of nursing staff on the role of the pharmacist. The setting is a 192-bed, voluntary, acute hospital, in the Munster region of Ireland. Study I: The pharmacist provided MR to patients conventionally once a week. Any interventions were then assessed for potential clinical harm and to calculate cost avoidance. Study II: Semi-structured interviews, guided by a topic guide were completed with 12 nurses (11 female). Thematic analysis was used to code the main themes. Main outcome measure: To estimate the cost, cost avoidance, and the net cost benefit ratio of MR provided by pharmacists. Study I: Of 128 patients who received the MR, 113 interventions were made. The estimated cost of providing the MR was €2559 (senior pharmacist). Using €1084 as the cost of an adverse drug event (ADE), the cost avoidance was calculated at €42,330. This led to a net cost benefit of €39,771 (senior pharmacist) which equated to a net cost benefit ratio of 16.5:1. Study II: The main themes were (i) perceptions of pharmacy services, (ii) the role of the pharmacist—past, present and future, and (iii) teamwork and communication. Nurses expressed a desire to have more pharmacists present on the wards.
Isolation and characterization of monoclonal antibody (mAb) variants to understand the impact of their structure on function is a typical activity during early-stage candidate selection that contributes to derisking clinical development. In particular, efforts are devoted to characterizing oligomeric variants, owing to their potential immunogenic nature. We report here a mAb variant consisting of a canonical mAb monomer associated in a non-covalent fashion with an antigen-binding fragment (Fab) arm amputated from its Fc domain. The truncated heavy chain is encoded in the cell line genome and is the likely product of a genomic recombination during cell line generation. The addition of the Fab arm results in severe loss of potency, indicating its interaction with the Fab domain of the monomer. The presence of such a variant can easily be mitigated by an adequate purification step.
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