Summary of the ACAAI standards for allergen extract compounding

Personnel qualifications

Designate one person to oversee and evaluate compounding personnel.

Provide training and testing on principles and procedures for new staff and annual evaluation for others for sterile compounding, garbing, hygiene, gloved fingertip and thumb sampling, and media fill tests.

Ensure that compounding personnel wear powder-free sterile gloves; non-cotton, low-lint sleeved garments that gather at the wrist and close at the neck; face mask and disposable cover for head and facial hair.

Facilities

Compounding must occur in either (1) an ISO Class 5 Primary Engineering Control (PEC) or (2) in a dedicated Allergenic Extracts Compounding Area (AECA), either of which must not be within 1 meter from a sink and can't be near unsealed windows, doors to the outside, or high traffic or other areas that present environmental control challenges such as bathrooms or kitchens.

If used, a PEC must be certified every 6 months, and cleaned and disinfected before and after each compounding, and surface must be disinfected between each prescription set.

An AECA must have a visible perimeter and meet the following conditions:

Access restricted to authorized personnel.
No other activity permitted during compounding.
All surfaces must be cleanable and kept clean.
No carpet is allowed.
No surfaces that can be damaged by cleaning and sanitizing agents.
Surfaces must be smooth, impervious, non-shedding, and free of cracks or crevices.
Overhangs should be avoided or must be easily cleaned.
Well lit, and temperature and humidity controlled for comfort of compounding personnel.
Work surface must be cleaned and disinfected before and after each compounding session, and disinfected between each new set, as well as at the time of any spill or contamination.
Vial stoppers on packages of conventionally manufactured sterile ingredients must be disinfected with 70% isopropyl alcohol wipes before each use.
Walls, doors, and door frames within and AECA must be disinfected monthly and when contamination is suspected.
Ceilings in the AECA must be cleaned and disinfected when visibly soiled.

Documentation

Labels on prescription sets must include patient name, type, and fractional dilution with corresponding vial number, beyond use date, and required storage conditions.

Standard Operating Procedures manuals describing required compounding process.

Training, assessment results, evaluations, and qualification records for all compounding personnel, including any corrective actions following assessments and evaluations.

Certification reports for PEC, if used.

Temperature logs for refrigeration.

Compounding records for individual extract prescription sets.

Information on any complaints and adverse events.

Investigations and corrective actions following any complaints and adverse events.

Adapted from: USP General Chapter 797 Pharmaceutical Compounding-Sterile Preparations; Section 21. Compounding Allergenic Extracts. Available at: https://acaai.org (Accessed February 22, 2022).

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Summary of the ACAAI standards for allergen extract compounding