Objective. To analyze the cost avoidance resulting from clinical interventions made by pharmacy students completing an advanced pharmacy practice experience (APPE) at a psychiatric hospital. Methods. A retrospective database review of documented clinical interventions by pharmacy students was conducted to classify interventions by type and significance. Interventions were assigned a cost avoidance value determined by an evaluation of the literature. Results. Three hundred-twenty interventions were documented by 15 pharmacy students during the 1-year study period. The majority of interventions were related to psychiatric medication classes and most (n 5 197; 61.6%) were classified as being of moderate significance. The most common interventions included patient education (13.1%), order clarification (11.6%), therapeutic dosing adjustments (10.9%), and laboratory order monitoring (8.8%). The estimated cost avoidance from all interventions made by pharmacy students was approximately $23,000. Conclusions. Pharmacy students completing APPEs at a psychiatric hospital contributed to a variety of significant clinical interventions and provided considerable cost avoidance value to the institution.

Neonates on ECMO may have a larger volume of distribution than neonates not receiving ECMO and may require larger phenobarbital doses to achieve desired serum concentrations. This may result from the presence of large exogenous blood volumes for priming, as well as loss of drug during circuit changes, extraction by the circuit, or hemofiltration. Further work is needed to better define the pharmacokinetics and pharmacodynamics of phenobarbital in the neonatal ECMO population.

A detailed qualitative analysis revealed that PGY2 psychiatric pharmacy residents' interventions were largely accepted, focused on medication adjustments for psychiatric conditions, and were of moderate significance at two state psychiatric facilities. Antipsychotics were associated with the greatest cost avoidance and total number of interventions.

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ADRs were most commonly associated with mood stabilizers and antipsychotics, and pADRs were common. There is an opportunity to provide education to medical staff on therapeutic drug monitoring and drug-drug interactions for these classes, particularly lithium.