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- Title
Instruction Time, Intuitiveness and Patient Acceptance of a Prefilled and a Reusable Insulin Delivery Device - the NovoMix® 30 FlexPen® and the HumaPen® Luxura.
- Authors
Reimer, Tanja; Hohberg, Cloth; Jørgensen, Christina; Jensen, Klaus H.; Pfützner, Andreas
- Abstract
This study investigated the instruction time, intuitiveness and patient perceptions of two insulin pen systems; the prefilled NovoMix® 30 FlexPen® (FP; Novo Nordisk A/S) and the reusable HumaPen® Luxura (HL, Eli Lilly and Company). It was performed as a randomised, open label, comparative, crossover handling test and carded out on two groups of German type 2 diabetes patients (age 61.8 +/- 7.6, 70% males). No patients had any experience using insulin delivery devices. One group was instructed (n=31) in the use of each device according to the device manual and another group (n=30) was asked to operate the devices without prior instruction as an indication of the intuitiveness of the device and subsequently properly instructed. Instruction time was shorter for FP (grp 1; n=31, p<0.05) and FP was objectively more intuitive to use by patients (grp 2; n=30, p<0.05) than HL. No patients found any of the devices difficult to learn, but most patients found FP easier to learn (31 vs 8, n=61, p<0.01) and simpler to use (29 vs 8, n=61, p<0.01) than HL. When performing injections there was no significant difference in how easy patients found it to push down the injection button on either pen systems and very few patients found it difficult to push down the injection button on either FP or HL (2 vs l, n=61, difference NS). Furthermore, patients found the pens equally easy in terms of setting and correcting the dose and reading the dose scale (difference NS) and 90% of patients would trust either device much for delivering insulin injections (difference NS). The prefilled device was rated as more appropriate than the reusable device in terms of size, weight, ease of carrying around and discreteness to use in public (all p<0.01) but patients rated the appearance of the reusable device higher than the prefilled device (p<0.01). Overall, there was no difference in which pen patients would prefer to use (NS). Due to the increase in diabetes prevalence and improved adaptation of earlier intensification of treatment, the healthcare systems will be burdened by initiation of an increased amount of diabetes patients. The continued adaptation of simple and easy to use insulin delivery systems will aid healthcare professionals overcoming this task. The lower instruction time and higher intuitiveness of FP is likely based on more complicated procedures of cartridge change in the reusable HL. This was also supported by patients finding FP simpler to use and easier to learn.
- Subjects
INSULIN; DRUG delivery devices; INJECTIONS; PEOPLE with diabetes; TYPE 2 diabetes
- Publication
Diabetes, 2007, Vol 56, pA532
- ISSN
0012-1797
- Publication type
Article