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What is Interferon beta-1a SubQ injection?

Interferon beta-1a is an immunomodulator used to prevent episodes of symptoms and slow the development of disability in patients with relapsing-remitting multiple sclerosis. It comes as a solution to inject subcutaneously (under the skin) three times a week, ideally the same 3 days each week.

Reported Purpose & Efficacy

Reasons and Efficacy
Purpose # of patients
# of patients with evaluations Efficacy
Major
Moderate
Slight
None
Can’t tell
MS (Multiple Sclerosis) 2319 660 Efficacy_major Efficacy_moderate Efficacy_slight Efficacy_none Efficacy_cant_tell
Other 49 12 Efficacy_major Efficacy_moderate Efficacy_slight Efficacy_none Efficacy_cant_tell
Stiffness/Spasticity 26 6 Efficacy_moderate Efficacy_none Efficacy_cant_tell
Fatigue 20 1 Efficacy_none
General health 16 9 Efficacy_major Efficacy_slight Efficacy_none Efficacy_cant_tell
Improve mobility 9 4 Efficacy_major Efficacy_moderate Efficacy_slight

See all 1823 patients currently taking Interferon beta-1a SubQ injection

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Reported Side Effects

Side effects as an overall problem

Severe
142
Moderate
212
Mild
266
None
78

Commonly reported side effects, conditions, and hospitalizations associated with Interferon beta-1a SubQ injection

Injection site redness 169
Generalized muscle aches 151
Headaches 140
Chills/fever 120
Injection site pain 86
Flu like symptoms 68
See all 204 reported side effects See top 6 reported side effects

Reported Dosages

Frequently reported dosages based on patients currently taking Interferon beta-1a SubQ injection. See all 143 dosages

  3 times a week 44 mcg/0.5 mL weekly 22 mcg/0.5 mL 3 times a week 30 mcg/0.5 mL 3 times a week 44 mcg/0.5 mL 3 times a week 44 mcg 3 x 44 mcg/0.5 mL weekly 44 mg 44 mcg 44 mcg/0.5 mL daily
  142 Number of Patients: 142 55 Number of Patients: 55 145 Number of Patients: 145 41 Number of Patients: 41 684 Number of Patients: 684 78 Number of Patients: 78 156 Number of Patients: 156 68 Number of Patients: 68 32 Number of Patients: 32 71 Number of Patients: 71  

Reported Stop Reasons

Why Patients Stopped Taking Interferon beta-1a SubQ injection (multiple reasons could be selected)
Reason # Patients Percentage of patients
Side effects too severe 545   Side effects too severe: 48%
Did not seem to work 355   Did not seem to work: 32%
Doctor's advice 296   Doctor's advice: 26%
Other 206   Other: 18%
Expense 63   Expense: 6%
Personal research 51   Personal research: 5%
Course of treatment ended 22   Course of treatment ended: 2%
Not indicated 21   Not indicated: 2%
Change in health plan coverage 19   Change in health plan coverage: 2%

See all 1091 patients who’ve stopped taking Interferon beta-1a SubQ injection

Currently Taking Interferon beta-1a SubQ injection

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0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Stopped Taking Interferon beta-1a SubQ injection

A bar graph

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more

Reported Adherence, Burden & Cost See details from patient evaluations

Adherence

Taking treatment as prescribed

Adherence of Interferon beta-1a SubQ injection

Always
548 79%
Usually
114 16%
Sometimes
17 2%
Never
19 3%

Burden

Difficulty being on treatment

Burden of Interferon beta-1a SubQ injection

Very
90 13%
Somewhat
179 26%
A little
249 36%
Not at all
180 26%

Cost

Paid out of pocket

Cost of Interferon beta-1a SubQ injection

$200+
49 9%
$100-199
30 6%
$50-99
124 24%
$25-49
137 26%
< $25
185 35%

See more information, including instructions, precautions, side effects, and interactions.

Report created on February 09, 2012.