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Relapsing-Remitting Multiple SclerosisPhase 3(DECIDE)NCT01064401

Efficacy and Safety of BIIB019 (Daclizumab High Yield Process) Versus Interferon β 1a in Participants With Relapsing-Remitting Multiple Sclerosis

A Phase 3 study testing BIIB019 (Daclizumab High Yield Process) and Interferon beta-1a in people with Relapsing-Remitting Multiple Sclerosis, run by Biogen at 228 sites in 28 countries.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
Search all trials

Trial summary

The primary study objective is to test the superiority of Daclizumab High Yield Process (DAC HYP) compared to interferon β 1a (IFN β-1a) in preventing multiple sclerosis (MS) relapse in participants with relapsing remitting multiple sclerosis. Read more about this study

Who is it for?
Ages 18 to 55 years
Conditions the study is for
Relapsing-Remitting Multiple Sclerosis
What is being tested?
BIIB019 (Daclizumab High Yield Process) and Interferon beta-1a
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
1,841 participants
Where
228 sitesin 28 countries
Study dates
May 2010to Jul 2014
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 55 years
  • All sexes
  • No healthy volunteers
  • Adult

Who may be able to join

  • Must have a confirmed diagnosis of Relapsing Remitting Multiple Sclerosis (RRMS), and a cranial magnetic resonance imaging (MRI) demonstrating lesion(s) consistent with MS
  • Must have a baseline Expanded Disability Status Scale (EDSS) between 0.0 and 5.0, inclusive
  • Male subjects and female subjects of childbearing potential must be willing to practice effective contraception during the study and be willing and able to continue contraception for 4 months after their last dose of study treatment

Who cannot join

  • Known intolerance, contraindication to, or history of non-compliance with Avonex® 30 µg
  • History of treatment with Daclizumab High Yield Process (Dac HYP)
  • History of malignancy
  • History of severe allergic or anaphylactic reactions
  • Known hypersensitivity to study drugs or their excipients
  • History of abnormal laboratory results indicative of any significant disease
Show all 15Show fewer
  • History of human immunodeficiency virus (HIV) or other immunodeficient conditions
  • History of drug or alcohol abuse (as defined by the Investigator) within the 2 years prior to randomization
  • History of seizure disorder or unexplained blackouts OR history of a seizure within 6 months prior to Baseline
  • History of suicidal ideation or an episode of clinically severe depression (as determined by the Investigator) within 3 months prior to Day 1
  • An MS relapse that has occurred within the 50 days prior to randomization AND/OR the subject has not stabilized from a previous relapse prior to randomization
  • Known history of, or positive screening test result for hepatitis C virus or hepatitis B virus
  • Varicella or herpes zoster virus infection or any severe viral infection within 6 weeks before screening
  • Exposure to varicella zoster virus within 21 days before screening
  • NOTE: Other protocol-defined Inclusion/Exclusion criteria may apply.

Trial locations and contacts

228 sites in 28 countries.

228 sites in 28 countries

United States46 sites
  • Research Site

    Albuquerque, New Mexico

  • Research Site

    Allentown, Pennsylvania

  • Research Site

    Atlanta, Georgia

  • Research Site

    Aurora, Colorado

  • Research Site

    Baltimore, Maryland

  • Research Site

    Buffalo, New York

  • Research Site

    Burlington, Vermont

  • Research Site

    Charlotte, North Carolina

  • Research Site

    Clinton Township, Michigan

  • Research Site

    Des Moines, Iowa

  • Research Site

    Evanston, Illinois

  • Research Site

    Fort Wayne, Indiana

  • Research Site

    Franklin, Tennessee

  • Research Site

    Gilbert, Arizona

  • Research Site

    Indianapolis, Indiana

  • Research Site

    Kansas City, Kansas

  • Research Site

    Kirkland, Washington

  • Research Site

    Knoxville, Tennessee

  • Research Site

    La Jolla, California

  • Research Site

    Latham, New York

  • Research Site

    Lebanon, New Hampshire

  • Research Site

    Lexington, Kentucky

  • Research Site

    Little Rock, Arkansas

  • Research Site

    Medford, Oregon

  • Research Site

    Milwaukee, Wisconsin

  • Research Site

    Naples, Florida

  • Research Site

    New Brunswick, New Jersey

  • Research Site

    New York, New York

  • Research Site

    Philadelphia, Pennsylvania

  • Research Site

    Phoenix, Arizona

  • Research Site

    Pittsburgh, Pennsylvania

  • Research Site

    Pompano Beach, Florida

  • Research Site

    Portland, Oregon

  • Research Site

    Providence, Rhode Island

  • Research Site

    Raleigh, North Carolina

  • Research Site

    Rochester, New York

  • Research Site

    Salt Lake City, Utah

  • Research Site

    Seattle, Washington

  • Research Site

    Springfield, Massachusetts

  • Research Site

    St Louis, Missouri

  • Research Site

    St. Petersburg, Florida

  • Research Site

    Sunrise, Florida

  • Research Site

    Tacoma, Washington

  • Research Site

    Tucson, Arizona

  • Research Site

    Winston-Salem, North Carolina

  • Research Site

    Worchester, Massachusetts

Other trials in United States

Russia16 sites
  • Research Site

    Chelyabinsk

  • Research Site

    Kaluga

  • Research Site

    Kazan', Povolje-Tatarstan

  • Research Site

    Kemerovo

  • Research Site

    Krasnoyarsk

  • Research Site

    Moscow

  • Research Site

    Nizhny Novgorod

  • Research Site

    Novosibirsk

  • Research Site

    Perm

  • Research Site

    Saint Petersburg

  • Research Site

    Smolensk

  • Research Site

    Tomsk

  • Research Site

    Tyumen

  • Research Site

    Ufa

  • Research Site

    Yaroslavl, Yaroslavlr

  • Research Site

    Yekaterinburg, Ural

Other trials in Russia

Germany15 sites
  • Research Site

    Bad Mergentheim, Baden-Wurttemberg

  • Research Site

    Bamberg, Bavaria

  • Research Site

    Bayreuth, Bavaria

  • Research Site

    Berlin, State of Berlin

  • Research Site

    Cologne, North Rhine-Westphalia

  • Research Site

    Dresden, Saxony

  • Research Site

    Essen, North Rhine-Westphalia

  • Research Site

    Freiburg im Breisgau, Baden-Wurttemberg

  • Research Site

    Hamburg, Free and Hanseatic City of Hamburg

  • Research Site

    Marburg, Hesse

  • Research Site

    München, Bavaria

  • Research Site

    Münster, North Rhine-Westphalia

  • Research Site

    Neuburg an der Donau, Bavaria

  • Research Site

    Trier, Rhineland-Palatinate

  • Research Site

    Tübingen

Other trials in Germany

Poland15 sites
  • Research Site

    Bialystok, Podlaskie Voivodeship

  • Research Site

    Bydgoszcz, Kuyavian-Pomeranian Voivodeship

  • Research Site

    Bydgoszczas

  • Research Site

    Gdansk, Pomeranian Voivodeship

  • Research Site

    Grudziądz, Kuyavian-Pomeranian Voivodeship

  • Research Site

    Katowice, Silesian Voivodeship

  • Research Site

    Kielce, Swietokrzycie

  • Research Site

    Krakow, Lesser Poland Voivodeship

  • Research Site

    Lódz, Łódź Voivodeship

  • Research Site

    Lublin, Lower Silesian Voivodeship

  • Research Site

    Olsztyn, Warmian-Masurian Voivodeship

  • Research Site

    Plewiska

  • Research Site

    Poznan, Greater Poland Voivodeship

  • Research Site

    Szczecin, West Pomeranian Voivodeship

  • Research Site

    Warsaw, Masovian Voivodeship

Other trials in Poland

France14 sites
  • Research Site

    Amiens, Picardie

  • Research Site

    Bobigny, Île-de-France Region

  • Research Site

    Bourdeaux

  • Research Site

    Caen, Basse-normandie

  • Research Site

    Dijon

  • Research Site

    Lille

  • Research Site

    Lomme

  • Research Site

    Lyon, Auvergne-Rhône-Alpes

  • Research Site

    Marseille

  • Research Site

    Nancy

  • Research Site

    Nice, Provence-Alpes-Côte d'Azur Region

  • Research Site

    Paris, Île-de-France Region

  • Research Site

    Strasbourg, Alsace

  • Research Site

    Toulouse

Other trials in France

Canada10 sites
  • Research Site

    Calgary, Alberta

  • Research Site

    Edmonton, Alberta

  • Research Site

    Gatineau, Quebec

  • Research Site

    Greenfield Park, Quebec

  • Research Site

    London, Ontario

  • Research Site

    Montreal, Quebec

  • Research Site

    Ottawa, Ontario

  • Research Site

    Regina, Saskatchewan

  • Research Site

    St. John's, Newfoundland and Labrador

  • Research Site

    Vancouver, British Columbia

Other trials in Canada

Czechia10 sites
  • Research Site

    Brno, South Bohemian Region

  • Research Site

    Brno

  • Research Site

    Havířov, Severomoravksy Krav

  • Research Site

    Hradec Králové

  • Research Site

    Jihlava, Vysocina

  • Research Site

    Jihlava

  • Research Site

    Olomouc, Olomouc Region

  • Research Site

    Ostrava

  • Research Site

    Pardubice

  • Research Site

    Prague, Prague

Other trials in Czechia

Italy10 sites
  • Research Site

    Bari, Bari

  • Research Site

    Cagliari, Cagliari

  • Research Site

    Catania, Catania

  • Research Site

    Cefalù, PA

  • Research Site

    Florence

  • Research Site

    Genova, Genova

  • Research Site

    Milan

  • Research Site

    Orbassano, Torino

  • Research Site

    Padova

  • Research Site

    Roma, Roma

Other trials in Italy

United Kingdom9 sites
  • Research Site

    Brighton

  • Research Site

    Bristol

  • Research Site

    Edinburgh

  • Research Site

    London

  • Research Site

    New Castle Upon Tyne

  • Research Site

    Nottingham

  • Research Site

    Romford

  • Research Site

    Salford

  • Research Site

    Sheffield

Other trials in United Kingdom

Brazil8 sites
  • Research Site

    Belo Horizonte, Estado de Bahia

  • Research Site

    Brasília, Federal District

  • Research Site

    Campinas, São Paulo

  • Research Site

    Porto Alegre, Rio Grande

  • Research Site

    Recife, Pernambuco

  • Research Site

    Ribeirão Preto, São Paulo

  • Research Site

    Rio de Janeiro, Rio de Janeiro

  • Research Site

    São Paulo, Rio Grande

Other trials in Brazil

Hungary7 sites
  • Research Site

    Budapest, Budapest

  • Research Site

    Esztergom

  • Research Site

    Győr, Győr-Moson-Sopron

  • Research Site

    Miskolc

  • Research Site

    Nyíregyháza

  • Research Site

    Székesfehérvár, Fejér

  • Research Site

    Veszprém

Other trials in Hungary

India7 sites
  • Research Site

    Bangalore, Karnataka

  • Research Site

    Delhi, Dwivdee

  • Research Site

    Hyderabad, Andhra Pradesh

  • Research Site

    Mumbai, Maharashtra

  • Research Site

    Nagpur, Maharashtra

  • Research Site

    New Delhi

  • Research Site

    Trivandrum, Kerala

Other trials in India

Israel7 sites
  • Research Site

    Ashkelon, Ashqelon

  • Research Site

    Beersheba

  • Research Site

    Haifa

  • Research Site

    Kfar Saba

  • Research Site

    Petah Tikva, Petah Tiqwa

  • Research Site

    Tzfat

  • Research Site

    Tzrifin, Beer Yaakov

Other trials in Israel

Ukraine7 sites
  • Research Site

    Dnipro

  • Research Site

    Kharkiv

  • Research Site

    Kyviv

  • Research Site

    Odesa

  • Research Site

    Poltava

  • Research Site

    Vinnitsa

  • Research Site

    Zaporizhzhya

Other trials in Ukraine

Australia6 sites
  • Research Site

    Auchenflower, Queensland

  • Research Site

    Camperdown, New South Wales

  • Research Site

    Fitzroy, Victoria

  • Research Site

    Heidelberg West, Victoria

  • Research Site

    New Lambton Heights, New South Wales

  • Research Site

    Woodville, South Australia

Other trials in Australia

Spain6 sites
  • Research Site

    Barcelona, Barcelona

  • Research Site

    Córdoba, Cordoba

  • Research Site

    Girona

  • Research Site

    L'Hospitalet de Llobregat, Barcelona

  • Research Site

    Madrid, Madrid

  • Research Site

    Seville, Sevilla

Other trials in Spain

Finland5 sites
  • Research Site

    Helsinki

  • Research Site

    Oulu, Oulu

  • Research Site

    Seinäjoki

  • Research Site

    Tampere, Western Finalnd

  • Research Site

    Turku

Other trials in Finland

Romania5 sites
  • Research Site

    Bucurest, Bucharest

  • Research Site

    Cluj-Napoca, Cluj

  • Research Site

    Iași

  • Research Site

    Târgu Mures

  • Research Site

    Timișoara, Timiș County

Other trials in Romania

Denmark4 sites
  • Research Site

    Aarhus

  • Research Site

    Copenhagen

  • Research Site

    Glostrup Municipality

  • Research Site

    Odense C

Other trials in Denmark

Serbia4 sites
  • Research Site

    Belgrade

  • Research Site

    Kragujevac

  • Research Site

    Niš

  • Research Site

    Novi Sad

Other trials in Serbia

Sweden4 sites
  • Research Site

    Gothenburg

  • Research Site

    Linköping

  • Research Site

    Malmö

  • Research Site

    Stockholm

Other trials in Sweden

Argentina3 sites
  • Research Site

    Ciudad Autónoma de Buenos Aires, Buenos Aires

  • Research Site

    Godoy Cruz, Mendoza Province

  • Research Site

    Rosario, Santa Fe Province

Other trials in Argentina

Greece3 sites
  • Research Site

    Athens, Attica

  • Research Site

    Heraklion, Crete

  • Research Site

    Thessaloniki, Macedoni

Other trials in Greece

Mexico2 sites
  • Research Site

    Guadalajara, Jalisco

  • Research Site

    Mexico City, Mexico City

Other trials in Mexico

Switzerland2 sites
  • Research Site

    Basel, Basel

  • Research Site

    Lugano

Other trials in Switzerland

Georgia1 site
  • Research Site

    Tbilisi

Other trials in Georgia

Ireland1 site
  • Research Site

    Dublin, Dublin

Other trials in Ireland

Moldova1 site
  • Research Site

    Chisinau

Other trials in Moldova

About this study

Official title: Multicenter, Double-blind, Randomized, Parallel-group, Monotherapy, Active-control Study to Determine the Efficacy and Safety of Daclizumab High Yield Process (DAC HYP) Versus Avonex® (Interferon β 1a) in Patients With Relapsing-Remitting Multiple Sclerosis

The primary study objective is to test the superiority of Daclizumab High Yield Process (DAC HYP) compared to interferon β 1a (IFN β-1a) in preventing multiple sclerosis (MS) relapse in participants with relapsing remitting multiple sclerosis.

The secondary study objectives are to test the superiority of DAC HYP compared to IFN β-1a in slowing functional decline and disability progression and maintaining quality of life in this participant population.

Being tested
BIIB019 (Daclizumab High Yield Process), Interferon beta-1a Placebo, Interferon beta-1a, Daclizumab High Yield Process Placebo
Medical subject headings
Multiple Sclerosis, Relapsing-Remitting

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • BIIB019 (Daclizumab High Yield Process)Biological

    Also called DAC HYP

    Daclizumab High Yield Process for subcutaneous injection

  • Interferon beta-1a PlaceboDrug

    Placebo to interferon beta-1a intramuscular injection

  • Interferon beta-1aBiological

    Also called Avonex, IFN β-1a

    Interferon beta-1a for intramuscular injection

  • Daclizumab High Yield Process PlaceboDrug

    Placebo to Daclizumab High Yield Process subcutaneous injection

Study groups in NCT01064401
Study groupRoleWhat they receive
Daclizumab High Yield Process 150 mg SCExperimentalDaclizumab High Yield Process (DAC HYP) 150mg subcutaneous (SC) injection once every 4 weeks plus placebo to IFN β-1a intramuscular (IM) injection once weekly for 96 to 144 weeks
Receives: Biological: BIIB019 (Daclizumab High Yield Process); Drug: Interferon beta-1a Placebo
IFN β-1a 30 µg IMActive comparatorInterferon beta-1a (IFN β-1a) 30 µg IM once weekly plus placebo to DAC HYP SC once every 4 weeks for 96 to 144 weeks
Receives: Biological: Interferon beta-1a; Drug: Daclizumab High Yield Process Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Adjusted Annualized Relapse Rate (ARR)

    Relapses are defined as new or recurrent neurological symptoms not associated with fever or infection, lasting at least 24 hours, and accompanied by new objective neurological findings upon examination by the examining neurologist. Only relapses confirmed by Independent Neurology Evaluation Committee (INEC) are included in this analysis. Adjusted ARR was estimated from a negative binomial regression model adjusted for the baseline relapse rate, history of prior IFN beta use, baseline Expanded Disability Status Scale score (EDSS; ≤ 2.5 vs > 2.5) and baseline age (≤ 35 vs > 35 years). Data after participants switched to alternative MS medications are excluded.

    Measured: Up to 144 weeks

Secondary outcomes (4)
  1. Adjusted Mean Number of New or Newly Enlarging T2 Hyperintense Lesions up to Week 96

    The quantity of lesions is assessed by brain magnetic resonance imaging (MRI). The adjusted mean number is estimated from a negative binomial regression model, adjusted for baseline volume of T2 from a negative binomial regression model, adjusted for baseline volume of T2 hyperintense lesions, history of prior IFN beta use and baseline age (≤ 35 vs > 35 years). To account for the timing of the MRI measurement, the logarithmic transformation of the scan number of the MRI assessment is included in the model as the 'offset' parameter. Observed data after participants switched to alternative MS medications are excluded. Missing data are not imputed. Only observed new or newly enlarging T2 lesions at the last visit of the participant up to Week 96 visit are used in this analysis.

    Measured: up to 96 weeks

  2. Proportion of Participants With Sustained Disability Progression at 144 Weeks

    Sustained disability progression is defined as: at least a 1.0-point increase on the EDSS from Baseline EDSS ≥ 1.0 that is sustained for 12 weeks, or at least a 1.5-point increase on the EDSS from baseline EDSS = 0 that is sustained for 12 weeks. The EDSS measures the disability status of people with MS on a scale that ranges from 0 to 10, with higher scores indicating more disability. Estimated proportion of participants with progression is based on the Kaplan-Meier product limit method. Participants were censored at the time of withdrawal/switch if they withdrew from study or switched to alternative MS medication without a progression. Participants with a tentative progression at the End of Treatment Period Visit (or the last EDSS assessment prior to alternative MS start date) and no confirmation assessment were censored at their last EDSS assessment.

    Measured: Baseline through 144 weeks

  3. Proportion of Participants Relapse-free at Week 144

    Relapses are defined as new or recurrent neurological symptoms not associated with fever or infection, lasting at least 24 hours, and accompanied by new objective neurological findings upon examination by the examining neurologist. Only relapses confirmed by INEC are included in this analysis. Data after participants switched to alternative MS medications are excluded. The estimated proportion of subjects relapse-free at Week 144 is based on the Kaplan-Meier product limit method.

    Measured: 144 weeks

  4. Percentage of Participants With a ≥ 7.5 Point Worsening From Baseline in the Multiple Sclerosis Impact Scale (MSIS-29) Physical Impact Score at 96 Weeks

    The MSIS-29 is a 29-item disease-specific patient-reported outcome measure that has been developed and validated to examine the physical and psychological impact of MS from a patient's perspective; it measures physical and psychological items. Worsening in the MSIS-29 physical score is defined as an increase of ≥ 7.5 points in the MSIS-29 physical score at 96 weeks compared to baseline. If a participant was missing data for less than 10 of the 20 items that make up the physical score, then the mean of the non-missing items were used for the missing items. If a participant was missing 10 or more of the 20 items that make up the physical score, or missing the questionnaire entirely, or if the questionnaire was completed after the participant switched to alternative MS medication, a random effects model was used to estimate the MSIS-29 physical score.

    Measured: Baseline and 96 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted8 Feb 2010 (estimated)
  2. Study startMay 2010
  3. Primary completionMar 2014
  4. Study completionJul 2014

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Quadruple blind
Who is masked
Participant, Care provider, Investigator, Outcomes assessor
Enrolment
1,841 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01064401
Sponsor's protocol ID
205MS301
Other IDs
2009-012500-11, 2009
Acronym
(DECIDE)
Status last verified
May 2016
First submitted
26 Jan 2010
Last updated
11 Jul 2016
Data monitoring committee
Yes

Publications

  • Loomis SJ, Sadhu N, Fisher E, Gafson AR, Huang Y, Yang C, Hughes EE, Marshall E, Herman A, John S, Runz H, Jia X, Bhangale T, Bronson PG. Genome-wide study of longitudinal brain imaging measures of multiple sclerosis progression across six clinical trials. Sci Rep. 2023 Aug 31;13(1):14313. doi: 10.1038/s41598-023-41099-0.

    PubMed 37652990
  • Castrogiovanni N, Mostert J, Repovic P, Bowen JD, Uitdehaag BMJ, Strijbis EMM, Cutter GR, Koch MW. Longitudinal Changes in Cognitive Test Scores in Patients With Relapsing-Remitting Multiple Sclerosis: An Analysis of the DECIDE Dataset. Neurology. 2023 Jul 4;101(1):e1-e11. doi: 10.1212/WNL.0000000000207301. Epub 2023 Apr 18.

    PubMed 37072219
  • Cohan S, Kappos L, Giovannoni G, Wiendl H, Selmaj K, Havrdova EK, Rose J, Greenberg S, Phillips G, Ma W, Wang P, Lima G, Sabatella G. Efficacy of daclizumab beta versus intramuscular interferon beta-1a on disability progression across patient demographic and disease activity subgroups in DECIDE. Mult Scler. 2018 Dec;24(14):1883-1891. doi: 10.1177/1352458517735190. Epub 2017 Oct 6.

    PubMed 28984179
  • Benedict RH, Cohan S, Lynch SG, Riester K, Wang P, Castro-Borrero W, Elkins J, Sabatella G. Improved cognitive outcomes in patients with relapsing-remitting multiple sclerosis treated with daclizumab beta: Results from the DECIDE study. Mult Scler. 2018 May;24(6):795-804. doi: 10.1177/1352458517707345. Epub 2017 May 9.

    PubMed 28485186
  • Liu Y, Vollmer T, Havrdova E, Riester K, Lee A, Phillips G, Wang P, Sabatella G. Impact of daclizumab versus interferon beta-1a on patient-reported outcomes in relapsing-remitting multiple sclerosis. Mult Scler Relat Disord. 2017 Jan;11:18-24. doi: 10.1016/j.msard.2016.11.005. Epub 2016 Nov 13.

    PubMed 28104250
  • Krueger JG, Kircik L, Hougeir F, Friedman A, You X, Lucas N, Greenberg SJ, Sweetser M, Castro-Borrero W, McCroskery P, Elkins J. Cutaneous Adverse Events in the Randomized, Double-Blind, Active-Comparator DECIDE Study of Daclizumab High-Yield Process Versus Intramuscular Interferon Beta-1a in Relapsing-Remitting Multiple Sclerosis. Adv Ther. 2016 Jul;33(7):1231-45. doi: 10.1007/s12325-016-0353-2. Epub 2016 Jun 1.

    PubMed 27251051
  • Kappos L, Wiendl H, Selmaj K, Arnold DL, Havrdova E, Boyko A, Kaufman M, Rose J, Greenberg S, Sweetser M, Riester K, O'Neill G, Elkins J. Daclizumab HYP versus Interferon Beta-1a in Relapsing Multiple Sclerosis. N Engl J Med. 2015 Oct 8;373(15):1418-28. doi: 10.1056/NEJMoa1501481.

    PubMed 26444729

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing BIIB019 (Daclizumab High Yield Process) and Interferon beta-1a in people with Relapsing-Remitting Multiple Sclerosis, run by Biogen at 228 sites in 28 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 15 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 11 Jul 2016. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 228 sites in United States, Russia, Germany, Poland, France and 23 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 11 Jul 2016). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Adjusted Annualized Relapse Rate (ARR) (time frame: Up to 144 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01064401, which also lists 7 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Jul 2016.

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