Search Results

Expiration date

of a Mix It is important to closely monitor the

Expiration date

s of extracts so that no product is used beyond the assigned date. The manufacturer’s

Expiration date

is the ultimate end date for all materials made from a manufacturer’s concentrate. When mixing extracts, the

Expiration date

of the mix is the same… read more

Stability & Expiration Dating Allergen extracts have a defined expiration which is printed on the product label. The

Expiration date

s assigned have been carefully determined to help minimize potency differences between older and newer lots. As time passes, the allergenic proteins in solution begin to decay, which reduces the potency of the extract. This rate… read more

Effect of Storage Conditions on Stability Allergenic extracts should be stored in a refrigerator when not in use. The proper storage temperature is 2-8°C (36-46°F). It is recommended to include a recording device in a refrigerator in order to monitor temperature and to note any deviations if they occur. In the event of a power… read more

Home  >  Popular Topics Extract Formulations Extract Formulations Allergen extracts are available in a variety of formulations. An extract’s formulation directly impacts the stability of the allergenic proteins in solution and therefore the shelf life of the product. The FDA has determined maximum

Expiration date

s for each formulation based on the estimated loss of potency… read more

Intradermal Dilutions In early 2013, several allergen extract manufacturers decided to discontinue stock formulations of intradermal products. In place of this, it is recommended that you perform your own dilutions using the extract stock concentrations. Rationale for the discontinuation of intradermal strength products​ Allergen extracts that have been diluted to intradermal strength are known to… read more

USP 797 Compounding Guidelines Beyond Use Dating – 28 Day Shelf Life for Compounded Products? There has been some controversy over applying the United States Pharmacopeia (USP) shelf-life rules for compounded pharmaceutical products to allergen extract mixes. These rules require that all compounded (mixed) materials be disposed of every 28 days due to sterility concerns.… read more

Ancillary Supplies Along with your supply of allergen extracts, you will need to stock your clinic with additional supplies to support the practice of immunotherapy. The following is a basic list of products that will be useful for the handling and preparation of your extracts: Sterile empty vials with color-coded vial caps and patient vial… read more