Extended Stability for Parenteral Drugs

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Page Count: 440

Get the support you need to safely extend dating of parenteral drugs beyond the usual 24-hour limit—minimizing waste, lowering medication costs, and enabling optimal patient administration schedules at alternate infusion sites. The new seventh edition features the inclusion of monographs expanded beyond home infusion to be inclusive of all clinical settings where parenteral drugs are stored or compounded. 

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    • Extended Stability for Parenteral Drugs (EPUB 2.39 MB)
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ASHP’s seventh edition of Extended Stability for Parenteral Drugs, by Michelle C. Simpson, PharmD, BCSCP and Eric G. Schaefer, PharmD, MHSA, covers all aspects of determining stability, including the changing elastomeric landscape and the ongoing variability in stability data. 

New in this edition: 

  • All 196 stability monographs completely updated 
  • Including 37 new monographs 
  • Inclusion of monographs expanded beyond home infusion to be inclusive of all clinical settings where parenteral drugs are stored or compounded 

With its expanded coverage, many updates, and new information, Extended Stability provides even more support, making it a “must have” for any practice in which pharmaceutical solutions are prepared and administered.

Michelle C. Simpson, PharmD, BCSCP 

Michelle C. Simpson has an established career in home infusion. She is the Clinical Program Manager for the National Home Infusion Association (NHIA), where she is responsible for continuing education accreditation, research through the National Home Infusion Foundation (NHIF), clinical education development, and implementation of resident and fellow programs. Previously, Simpson spent most of her time working as a clinical pharmacist at a corporate level for national home infusion providers. Her responsibilities in corporate home infusion included directing a drug information service for a large network of pharmacies, focusing on quality improvement by implementing a training program for handling drug information inquiries, which included a team of pharmacy residents. She assisted heavily in the pharmacy residency program as preceptor and advisor, consistently producing posters, presentations, and manuscripts associated with residency projects. She founded and was Chair of the Residency Advisory Committee for 2 years and founded and led the committee responsible for corporate clinical documents (monographs, policies, procedures) for 4 years. 

Simpson is active in association conferences and has both presented and hosted a round table discussion at NHIA annual meetings on the topics of parenteral nutrition and pharmacy-generated waste. She is a member of NHIA, American Medical Writers Association, and the American Society of Health-System Pharmacists; Simpson assists as a peer-review pharmacist for article submissions for American Journal of Health-System Pharmacy. She received a PharmD degree from Mercer University, School of Pharmacy, in Atlanta, Georgia. She is board certified in compounded sterile preparations with the Board of Pharmacy Specialties.


Eric G. Schaefer, PharmD, MHSA 

Eric G. Schaefer is the Director of Pharmacy Operations at Chartwell Pennsylvania, LP in Pittsburgh, Pennsylvania. Previously, Schaefer was a Manager of Pharmacy Operations at Allegheny General Hospital, the flagship hospital of the Allegheny Health Network in Pittsburgh, Pennsylvania, and prior to that, he was a Manager of Pharmacy Operations at the Presbyterian campus of UPMC Presbyterian-Shadyside, which is the flagship hospital for the University of Pittsburgh Medical Center Health Services Division. During his time at UPMC Presbyterian, Schaefer oversaw operations of the inpatient pharmacy department, with specific oversight of operations related to sterile compounding, non-sterile compounding, perioperative and operative pharmacy services, inventory management services, after-hours services, and central medication distribution services. He served as a program coordinator of the UPMC Presbyterian HSPAL Residency Program and the Pharmacy Administration Fellowship Program. He was co-author of a journal article in Surgery and a co-author of a white paper for Kit Check, Incorporated.

Schaefer is a member of ACCP, ASHP, Pittsburgh Young Professionals, and PSHP. He was President-Elect of the western chapter of PSHP in January 2021. Schaefer received his Doctor of Pharmacy degree from the Lake Erie College of Osteopathic Medicine School of Pharmacy, in Erie, Pennsylvania. After graduation, he completed an ASHP-accredited PGY1 pharmacy practice residency at Millcreek Community Hospital in affiliation with the Lake Erie College of Osteopathic Medicine School of Pharmacy. Schaefer received his Masters in Health Services Administration degree from the Lake Erie College of Osteopathic Medicine School of Health Services Administration, in Erie, Pennsylvania. He served as an Aircraft Fuel Systems Journeyman in the Pennsylvania Air National Guard for 9 years, during which time he deployed overseas to maintain the fuel systems of KC-135 Stratotankers utilized for aerial refueling missions. Schaefer had achieved the rank of Staff Sargent by the time he separated with an honorable discharge.


Gene Bernieri
Marissa A. Davis
Ernest H. Faucher III
Brenda L. Gray
J. Michael Hayes
Annemarie Hocking
Alexandre Ivanov
Margaret Kronz
Drew Lambert
Rachel V. Marini
Kevn M. McNamara
Julie Wurdeman
Paula Zelle

“This is considered to be the foundation book for extended stability.”

Lawrence P. Carey, BS, PharmD

Directors of pharmacy; ambulatory care/home care/specialty/outpatient pharmacies; home infusion nurses and pharmacists; National Home Infusion Association [NHIA] members; ASHP members- inpatient, ambulatory care