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Most physicians agree - of all the services that can be performed for patients, eliminating the pain and fear of injections is at the top of the list. How can pain be minimized? One approach is to maximize syringe performance - whether the syringe is employed by a clinician, in an autoinjector, or in a wearable device. A critical element of syringe performance is the break-loose force. This is the force needed to overcome the plunger inertia in a filled syringe to initiate plunger movement and introduction of drug product. A lower, more consistent, break-loose force can provide for increased patient comfort.
Break-loose force can be influenced by several factors: plunger design, elastomer formula, coatings on plunger and syringe, materials and needle gauge. West considers these factors in designing products, in particular:
NovaPure® is a registered trademark of West Pharmaceutical Services, Inc., in the United States and other jurisdictions.
Daikyo Crystal Zenith® is a registered trademark of Daikyo Seiko, Ltd.
Daikyo Crystal Zenith® technology is licensed from Daikyo Seiko, Ltd.
When choosing an elastomeric formulation for a stopper or plunger used to package parenteral drug products, there are several misconceptions related to the importance the elastomer class plays on the chemical and physical properties of the elastomer. Often we hear customers make general statements such as “chlorobutyl elastomers are better” or “bromobutyls have an advantage in property X.” In actuality, each elastomeric formulation is unique and has different properties that are independent of the class of elastomer.
The purpose of a service dog is to assist and bring joy to someone’s life. To train a service dog is a massive undertaking, with the first year of that training coming in the form of “puppy-in-training.” West volunteers have had the privilege of sharing in the raising of three puppies in training as part of its ongoing commitment to Canine Partners for Life, an organization dedicated to placing service dogs. The most recent of those is an adorable black lab named Cret.
Polymeric container systems are not new to the pharmaceutical industry, and their benefits in terms of break resistance, cosmetic quality and dimensional precision have been recognized by many companies around the world who have chosen to use a polymer vial or syringe.
West has been busy behind the scenes building our offerings in the West Knowledge Center. The Knowledge Center launched just over a year ago, and since then we’ve more than doubled our content based on customer requests and real-time data and analytics.
Many injectable drug products, such as monoclonal antibodies and recombinant proteins, are susceptible to degradation over time when stored at ambient temperature. As such, they are stored, and subsequently delivered, in a lyophilized state - which enables a much longer shelf life. Lyophilization (also known as <em>freeze-drying</em>) is a process by which all water is removed from a drug product. Absent water, all metabolic processes stop, and drug products thus stored in a lyophilized condition are far more stable. At the time of use, the lyophilized drug product is reconstituted with water (or other appropriate solution) and delivered to the patient.
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