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This crossover study evaluates patient experiences and preferences between mechanical and electrical infusion pumps for subcutaneous immunoglobulin (SCIg) therapy. The Freedom Integrated Infusion System (FREEDOM60 and FreedomEdge) are mechanical, portable pumps that require no batteries or electricity and use Precision Flow Rate Tubing™ to control infusion speed. These devices are approved for use in the EU (CE650520).
Approximately 78 adult patients with primary or secondary immunodeficiency will participate. Participants will complete questionnaires assessing ease of training, ease of use, infusion comfort, and overall satisfaction. Patients experienced with electronic pumps will complete two questionnaires: one reflecting their current pump experience and one after trying the mechanical pump.
The primary goal is to determine whether mechanical pumps provide greater patient satisfaction than electrical pumps. Results will inform patient and healthcare professional decision-making regarding pump selection.
Study Objective:
To assess patient preference, ease of training, ease of use, and satisfaction with mechanical versus electrical infusion pump systems.
Subject Population:
Adults with primary or secondary immunodeficiency receiving subcutaneous immunoglobulin therapy, including patients experienced with electronic infusion pumps.
Hypothesis:
Mechanical infusion pumps will provide greater patient satisfaction compared with electrical infusion pumps during SCIg treatment.
Study Assessments / Evaluations:
Experienced electronic pump users will complete two questionnaires: one reflecting their current pump experience and one after trying a mechanical pump. Comparisons will evaluate preference, satisfaction, ease of use, training, infusion comfort, handling, instructions, troubleshooting, and safety.
Number of Subjects:
Approximately 78 patients, completing 130 questionnaires in total.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experienced electronic pump users | Experimental | Patients with earlier experience on electronic infusion pumps. They will use the mechanical infusion pump for three months' period. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mechanical infusion pump | Device | Patients with earlier experience on electronic infusion pumps will crossover to the mechanical infusion pump for three month's period |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change in Patient Satisfaction Scores Between Electronic and Mechanical Infusion Pumps Measured on a 5-Point Likert Scale Over 3 Months | Participants will first provide a retrospective evaluation of their prior experience with an electronic infusion pump using a 5-point Likert scale (where 1 = worst outcome and 5 = best outcome). They will then crossover to a mechanical infusion pump for 3 months, after which satisfaction will again be assessed on the same scale. The primary outcome is the difference in satisfaction scores between electronic and mechanical pump use. | Three months |
| Measure | Description | Time Frame |
|---|---|---|
| Change in Ease of Use Scores Between Electronic and Mechanical Infusion Pumps Measured on a 5-Point Likert Scale Over 3 Months | Participants will first provide a retrospective evaluation of the ease of use of an electronic infusion pump using a 5-point Likert scale (1 = very difficult to use; 5 = very easy to use). They will then crossover to a mechanical infusion pump for 3 months, after which ease of use will again be assessed on the same scale. The secondary outcome is the difference in ease-of-use scores between electronic and mechanical pump use. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Anna Majapuro-Hirvonen | Contact | +358405697866 | amajapuro@korumedical.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| King's College Hospital | London | United Kingdom |
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| ID | Term |
|---|---|
| D007153 | Immunologic Deficiency Syndromes |
| ID | Term |
|---|---|
| D007154 | Immune System Diseases |
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| Three months |
| Change in Handling Scores Between Electronic and Mechanical Infusion Pumps Measured on a 5-Point Likert Scale Over 3 Months | Participants will first provide a retrospective evaluation of the handling of an electronic infusion pump using a 5-point Likert scale (1 = very difficult to handle; 5 = very easy to handle). They will then crossover to a mechanical infusion pump for 3 months, after which handling will again be assessed on the same scale. The secondary outcome is the difference in handling scores between electronic and mechanical pump use. | Three months |
| Change in Scores for Clarity of Instructions of Use Between Electronic and Mechanical Infusion Pumps Measured on a 5-Point Likert Scale Over 3 Months | Participants will first provide a retrospective evaluation of the clarity of instructions of use for an electronic infusion pump using a 5-point Likert scale (1 = very unclear instructions; 5 = very clear instructions). They will then crossover to a mechanical infusion pump for 3 months, after which clarity of instructions of use will again be assessed on the same scale. The secondary outcome is the difference in clarity-of-instructions scores between electronic and mechanical pump use. | Three months |
| Change in Scores for Ability for Troubleshooting Between Electronic and Mechanical Infusion Pumps Measured on a 5-Point Likert Scale Over 3 Months | Participants will first provide a retrospective evaluation of the ability for troubleshooting any issues that may arise during the infusion for an electronic infusion pump using a 5-point Likert scale (1 = not at all confident; 5 = very confident). They will then crossover to a mechanical infusion pump for 3 months, after which clarity of instructions of use will again be assessed on the same scale. The secondary outcome is the difference in ability for troubleshooting scores between electronic and mechanical pump use. | Three months |
| Change in Scores for Pain and Discomfort Between Electronic and Mechanical Infusion Pumps Measured on a 5-Point Likert Scale Over 3 Months | Participants will first provide a retrospective evaluation of the clarity of instructions of use for an electronic infusion pump using a 5-point Likert scale (1 = extreme pain and discomfort; 5 = no pain and discomfort). They will then crossover to a mechanical infusion pump for 3 months, after which clarity of instructions of use will again be assessed on the same scale. The secondary outcome is the difference in clarity-of-instructions scores between electronic and mechanical pump use. | Three months |