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Home > Community Treatment Reports > Avonex (interferon beta-1a im injection) Treatment Report
What is Avonex?

Avonex® is a brand name for the drug interferon beta-1a, used to treat relapsing forms of multiple sclerosis (MS). It is taken as an intramuscular injection and is available in pre-filled syringes. There is no generic for Avonex® currently available.

Side Effects

Side effects as an overall problem

Severe
42 24%
Moderate
63 35%
Mild
61 34%
None
12 7%

Most commonly reported side effects

Muscle ache, whole body
114 64%
Flu-like symptoms
96 54%
Chills/fever
95 53%
Body Aches
86 48%
Lethargy
63 35%
Headaches
62 35%
  • Mild
  • Moderate
  • Severe

Dosages

Top 10 dosages based on patients currently taking Avonex. See all 45 dosages

  weekly 0.05 mcg weekly 0.25 mg weekly 0.325 mcg weekly 0.5 mcg weekly 0.5 mg weekly 0.5 ml weekly 0.5 mL weekly 0.5 weekly 1 mcg weekly 1 mg weekly 1 mL weekly 1 other weekly 1 weekly 1.5 mcg weekly 1.5 mg weekly 4 weekly 5 mcg weekly 30 mcg monthly 10 mg weekly 2 mcg daily 15 mcg weekly 15 mg weekly 33 mcg every other week 20 mcg weekly 24 mcg weekly 30 mcg/0.5 mL weekly 30 mcg weekly 30 mg weekly 30 mmol/L weekly 30 weekly 33 mcg weekly 35 mcg weekly 37 mcg weekly 50 mcg weekly 50 mg weekly 60 mcg weekly 3 x 22 mcg/0.5 mL weekly 80 mg weekly 100 mcg weekly 125 mcg weekly 200 mcg weekly 30 mcg daily 30.1 mcg daily 360 mg weekly
  159 Number of Patients: 159 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 6 Number of Patients: 6 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 2 Number of Patients: 2 18 Number of Patients: 18 8 Number of Patients: 8 3 Number of Patients: 3 1 Number of Patients: 1 10 Number of Patients: 10 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 2 Number of Patients: 2 1 Number of Patients: 1 1 Number of Patients: 1 372 Number of Patients: 372 24 Number of Patients: 24 1 Number of Patients: 1 10 Number of Patients: 10 3 Number of Patients: 3 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 1 Number of Patients: 1 3 Number of Patients: 3 1 Number of Patients: 1 7 Number of Patients: 7 17 Number of Patients: 17 1 Number of Patients: 1 1 Number of Patients: 1  

Stop Reasons

Why Patients Stopped Taking Avonex (multiple reasons could be selected)
Reason # Patients Percentage of patients
Side effects too severe
226 41% Side effects too severe: 41%
Did not seem to work
196 36% Did not seem to work: 36%
Doctor's advice
164 30% Doctor's advice: 30%
Other
103 19% Other: 19%
Expense
24 4% Expense: 4%
Personal research
17 3% Personal research: 3%
Not indicated
8 1% Not indicated: 1%
Course of treatment ended
5 1% Course of treatment ended: 1%

See all 530 patients who’ve stopped taking Avonex

Currently Taking Avonex

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more
3
5
7
22
44
106

Stopped Taking Avonex

0-1 month 1-3 months 3-6 months 6 months-1year 1-2 years 2 years or more
17
28
42
108
95
234

Adherence, Burden & Cost See details from patient evaluations

Adherence

Taking treatment as prescribed

Always
150 84%
Usually
26 15%
Sometimes
1 1%
Never
1 1%

Burden

Difficulty being on treatment

Very
26 15%
Somewhat
53 30%
A little
68 38%
Not at all
31 17%

Cost

Paid out of pocket

$200+
17 10%
$100-199
9 5%
$50-99
22 12%
$25-49
26 15%
< $25
58 33%

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

Report created on November 21, 2009.