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Category: Prescription Drugs
Most Popular Types: Avonex, Avonex Prefilled Syringe
Interferon beta-1a is a drug in the interferon family used to treat multiple sclerosis (MS). It is produced by mammalian cells while Interferon beta-1b is produced in modified E. coli. Interferons have been shown to have about a 30–35% reduction in the rate of MS relapses, and to slow the progression of disability in MS patients.
| Purpose | # of patients |
# of patients with evaluations
Efficacy
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Major | Moderate | Slight | None | Can’t tell |
|---|---|---|---|---|---|---|---|
| MS (Multiple Sclerosis) | 2347 | 757 |
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| Other | 54 | 11 |
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| General health | 23 | 9 |
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| Don't know | 14 | 4 |
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| Fatigue | 14 | 2 |
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| Improve mobility | 12 | 5 |
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See all 1495 patients currently taking Interferon beta-1a IM Injection
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Commonly reported side effects, conditions, and hospitalizations associated with Interferon beta-1a IM Injection
| Flu like symptoms | 309 | |
|---|---|---|
| Generalized muscle aches | 225 | |
| Chills/fever | 207 | |
| Body Aches | 180 | |
| Headaches | 118 | |
| Joint pain | 89 | |
| See all 182 reported side effects ▼ | ||
Frequently reported dosages based on patients currently taking Interferon beta-1a IM Injection. See all 80 dosages ►
| Reason | # Patients | Percentage of patients | |
|---|---|---|---|
| Side effects too severe | 622 | ||
| Did not seem to work | 482 | ||
| Doctor's advice | 428 | ||
| Other | 234 | ||
| Expense | 68 | ||
| Personal research | 48 | ||
| Change in health plan coverage | 28 | ||
| Course of treatment ended | 27 | ||
| Not indicated | 24 |
See all 1364 patients who’ve stopped taking Interferon beta-1a IM Injection
Currently Taking Interferon beta-1a IM Injection
A bar graph
Adherence
Taking treatment as prescribed
Adherence of Interferon beta-1a IM Injection
Always |
650 | 83% |
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|---|---|---|---|
Usually |
103 | 13% |
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Sometimes |
10 | 1% |
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Never |
21 | 3% |
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Burden
Difficulty being on treatment
Burden of Interferon beta-1a IM Injection
Very |
130 | 17% |
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|---|---|---|---|
Somewhat |
240 | 31% |
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A little |
246 | 31% |
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Not at all |
168 | 21% |
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Cost
Paid out of pocket
Cost of Interferon beta-1a IM Injection
$200+ |
64 | 11% |
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$100-199 |
44 | 8% |
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$50-99 |
68 | 12% |
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$25-49 |
127 | 22% |
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< $25 |
270 | 47% |
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See more information, including instructions, precautions, side effects, and interactions.
Report created on February 11, 2012.