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Avonex

Phase 3FDA approved

Multiple Sclerosis | Small molecule | Neurology |Biogen Inc.|Trials Updated: Aug 13, 2014

Avonex development status

FDA approval on record Nov 12, 2002
Approval holderBiogen
ApplicationBLA103628
Highest phase Phase 3
Registered trials 14 across 6 sponsors since Oct 2002

Label indication AVONEX is indicated for the treatment of relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults. AVONEX is for the treatment of relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease, in adults. ( 1 ) FDA label

Avonex target and mechanism

ModalitySmall molecule

Also known as (IM) AVONEX®, Interferon beta 1a, Interferon beta-1a (Avonex), BG9418 (interferon beta-1a), BG9418, Avonex Pen, Interferon beta type 1a, IFN β-1a

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLED
Total Trials3
Total Enrollment278

FDA Designations

No designations recorded

Avonex clinical trials

Avonex · 3 trials · 2 indications

Phase 3 2Phase 2 1
NCT01181115Avonex Safety and Tolerability in Chinese Subjects With Relapsing Multiple Sclerosis (MS)Multiple Sclerosis
COMPLETED60 Analytics
NCT00828204Evaluate the Safe and Effective Use of the Avonex® Single-Use Autoinjector in Multiple Sclerosis SubjectsMultiple Sclerosis
COMPLETED95 Analytics
PHASE3COMPLETED
Avonex Safety and Tolerability in Chinese Subjects With Relapsing Multiple Sclerosis (MS)
Multiple SclerosisUnlock trial analytics
PHASE3COMPLETED
Evaluate the Safe and Effective Use of the Avonex® Single-Use Autoinjector in Multiple Sclerosis Subjects
Multiple SclerosisUnlock trial analytics

Study Endpoints

Primary Endpoints

The number and proportion of subjects with adverse events (AEs)
24 weeks
Assessment of clinical laboratory parameters
24 weeks
Assessment of vital signs and physical examinations
24 weeks
Assessment of electrocardiogram (ECG)
24 weeks
Assessment of immunogenicity
24 weeks
Incidence of depression
24 weeks
Incidence of flu-like symptoms
24 weeks
Subject assessment of injection site pain
24 weeks
Clinical assessment of the injection site
24 weeks
Percentage of Participants in the Main Subset With Overall Success Using the Avonex Single-Use Autoinjector
Day 22

A trainer/observer documented the participant's ability to self-inject with the Avonex single-use autoinjector and completed an observation form. Overall success in using the device for each participant was defined as no failures occurring in any step (ie, device set-up, self-administration of injection, and capping/disposal of the device) during the participant's use of the single-use Avonex autoinjector.

Percentage of Participants With a Clinical Response
Baseline and Week 8

Clinical response is defined as a decrease from baseline in the total Mayo score of at least 3 points and at least 30%, accompanied by a decrease in the subscore for rectal bleeding of at least 1 point or an absolute subscore of 1 or less. Baseline was defined as the score collected during the screening period. The Mayo Score/Disease Activity Index (DAI) measures disease activity through assessment of 4 items: stool frequency, rectal bleeding, endoscopy findings, and Physician Global Assessment (PGA). Each item of the score is assessed on a 4-point scale, 0, 1, 2, or 3, with a higher score representing greater severity. In this study, the endoscopy subscore was expanded to a 5-point scale to increase sensitivity in this important dimension of the disease (0=normal/inactive disease, 4=deep ulceration). The Total Mayo Score can therefore range from 0 to13 points.

Secondary Endpoints

Assess safety of Avonex by evaluating changes in the Expanded Disability Status Scale (EDSS) score over time
24 weeks
Number of Gd-enhancing lesions on brain MRI scans taken after 3 and 6 months following Avonex treatment
at month 3 and month 6
Number of new or newly enlarging T2-weighted lesions on brain MRI scans taken after 3 and 6 months following Avonex treatment
at month 3 and month 6
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Active treatmentEXPERIMENTALInterferon treatment for MS
Avonex Single-Use AutoinjectorEXPERIMENTALParticipants received open label weekly treatment with Avonex 30 mcg intramuscular (IM) injections, provided in Avonex prefilled syringes. In the Main Study, injection #1: administration of Avonex prefilled syringe via manual IM injection on Day 1. Injections #2, #3, and #4: administration of Avonex prefilled syringe using the single-use autoinjector on Days 8, 15, and 22, respectively. In the Extension Study, participants were to continue treatment with the Avonex single-use autoinjector for up to an additional 12 weeks.
Interferon beta-1aEXPERIMENTALInterferon beta-1a 30 µg intramuscular (IM) injection twice weekly for 12 weeks
PlaceboPLACEBO_COMPARATORPlacebo IM injection twice weekly for 12 weeks

Interventions

NameTypeDescription
AvonexDRUGInterferon treatment for MS
single-use autoinjector with a prefilled liquid Avonex syringeDEVICE -
Avonex prefilled syringe via manual IM injectionDEVICE -
BG9418 (interferon beta-1a)DRUG -
PlaceboDRUGPlacebo IM injection, self-administered per protocol.
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersNo
Study Sites10

Inclusion Criteria: * Ability to understand risks of study and provide informed consent. * Must be Chinese, aged 18 to 55 years inclusive at time of consent. * Must have diagnosis of relapsing MS of 3 months duration at time of screening visit. * Must have at least 1 documented MS attack within 3 y...

Countries:ChinaUnited StatesCanadaCzechiaHungaryPolandRussiaSlovakia
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Frequently asked questions about Avonex

What is Avonex used for?

Avonex is used for the treatment of multiple sclerosis, a neurological condition. It is studied in patients with relapsing forms of MS, including a Phase 3 safety and tolerability trial in Chinese subjects with relapsing multiple sclerosis. The drug is developed by Biogen Inc. and is given in the multiple sclerosis therapeutic area.

Who makes Avonex?

Avonex is made by Biogen Inc., which trades under the ticker BIIB. Biogen is the developer of the drug, and it is studied in multiple sclerosis. The company conducted a Phase 3 trial of Avonex in Chinese subjects with relapsing multiple sclerosis.

What phase is Avonex in?

Avonex is in Phase 3 development for multiple sclerosis. One Phase 3 trial has been completed, and no active trials are currently listed. The completed trial, NCT01181115, enrolled 60 participants and evaluated safety and tolerability in Chinese subjects with relapsing multiple sclerosis.

What clinical trials is Avonex in?

Avonex has been studied in a Phase 3 trial, NCT01181115, titled Avonex Safety and Tolerability in Chinese Subjects With Relapsing Multiple Sclerosis. The trial was completed, enrolled 60 participants, and was conducted in China. It was an uncontrolled study without randomization or double blinding.

Is Avonex the same as (IM) AVONEX®?

Yes, Avonex is also known as (IM) AVONEX®. Both names refer to the same product developed by Biogen Inc. for multiple sclerosis. The parenthetical IM likely denotes intramuscular administration, but no further details on the route are provided in the available trial information.