Plegridy Observational Program (POP)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT02230969 |
Recruitment Status :
Active, not recruiting
First Posted : September 3, 2014
Last Update Posted : April 22, 2020
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Condition or disease | Intervention/treatment |
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Relapsing Forms of Multiple Sclerosis | Drug: peginterferon beta-1a |
Study Type : | Observational |
Actual Enrollment : | 1210 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Plegridy™ (Peginterferon β-1a) Real World Effectiveness and Safety Observational Program |
Actual Study Start Date : | November 12, 2014 |
Estimated Primary Completion Date : | January 20, 2022 |
Estimated Study Completion Date : | January 20, 2022 |

Group/Cohort | Intervention/treatment |
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peginterferon beta-1a
Plegridy will not be supplied for this study. The study will collect data in an observational manner from participants who are prescribed Plegridy by physicians, according to the approved label in the respective country.
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Drug: peginterferon beta-1a
Administered as specified in the treatment arm
Other Names:
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- Safety as measured by the incidence proportion of SAEs [ Time Frame: Up to 5 years ]
- Safety as measured by the incidence rate of SAEs [ Time Frame: Up to 5 years ]
- Clinical no evidence of disease activity (NEDA) as measured by the proportion of participants with no relapses [ Time Frame: Up to 5 years ]
- Clinical NEDA as measured by the proportion of participants with no disability progression [ Time Frame: Up to 5 years ]
- Prescription and utilization patterns as measured by prescribed dosing frequency [ Time Frame: Up to 5 years ]
- Prescription and utilization patterns as measured by duration of Plegridy use [ Time Frame: Up to 5 years ]
- Prescription and utilization patterns as measured by the primary reason for discontinuation of Plegridy [ Time Frame: Up to 5 years ]
- Relapse activity as measured by annualized relapse rate (ARR) [ Time Frame: Up to 5 years ]
- Relapse activity as measured by time to first relapse [ Time Frame: Up to 5 years ]
- Relapse activity as measured by the proportion of participants with relapse [ Time Frame: Up to 5 years ]
- Relapse activity as measured by the distribution of the number of relapses [ Time Frame: Up to 5 years ]
- Disability progression as measured by the proportion of participants with sustained progression for at least six months [ Time Frame: Up to 5 years ]Disability progression measured by the Expanded Disability Status Scale (EDSS). The EDSS measures disability status on a scale ranging from 0 to 10, with higher scores indicating more disability. Scoring is based on measures of impairment in eight functional systems on examination by a neurologist. Participants with confirmed progression of disability in EDSS physical functional system scores will be defined as those who meet one of the following criteria: an increase of ≥ 1 point from baseline system score of ≥ 1 or an increase of ≥ 2 points from baseline system score of 0 in at least 2 physical functional systems, or an increase of ≥ 2 points from baseline system score of ≥ 1 or an increase of ≥ 3 points from baseline system score of 0 in any 1 physical functional system. Worsening must be confirmed on a subsequent examination using the same criterion in the same functional system(s) at least 6 months later.
- Disability progression as measured by the time to sustained disability progression for at least six months [ Time Frame: Up to 5 years ]
- Incidence proportion of non-serious AEs leading to treatment discontinuation [ Time Frame: Up to 5 years ]
- Incidence rate of non-serious AEs leading to treatment discontinuation [ Time Frame: Up to 5 years ]
- Impact of the severity of FLS on the ability to successfully manage symptoms via prophylaxis as measured by the participant-reported FLS-VAS [ Time Frame: Up to 5 years ]
- Changes in FLS assessment and FLS-VAS over time [ Time Frame: Baseline to 5 years ]
- Changes in EuroQoL EQ-5D, 3-level (EQ-5D-3L) score over time [ Time Frame: Baseline to 5 years ]The EQ-5D-3L is a standardized instrument for use as a measure of health outcome. It is a health questionnaire that consists of 2 pages - the EQ-5D descriptive system (page 2) and the EQ visual analogue scale (EQ VAS) (page 3). The EQ-5D-3L descriptive system comprises the following 5 dimensions: mobility, self-care, usual activities, pain/discomfort and anxiety/depression. Each dimension has 3 levels: no problems, some problems, extreme problems.
- Treatment adherence as measured by changes in adherence over time as reported in the treatment adherence questionnaires [ Time Frame: Baseline to 5 years ]Where pen/syringe collection is locally allowed, treatment adherence will also be assessed by the proportion of used auto-injector pens/pre-filled syringes out of the total number of pens/syringes prescribed.
- Frequency of MS-related and non-MS-related physician visits, specialists' visits, use of physiotherapy, hospitalizations and lengths of stay, and emergency room/department visits [ Time Frame: Up to 5 years ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Key Inclusion Criteria:
- Patient with MS who is newly, or is currently, prescribed Plegridy according to local label including patients who participated in Study 105MS302 (NCT01332019) or Study 105MS303 (NCT01939002).
- Patient willing and able to complete patient-reported outcomes (PRO) with minimal assistance.
Key Exclusion Criteria:
- Concurrent enrollment in any clinical trial of an investigational product. Participation in non-interventional study can be allowed as long as this participation does not interfere with this protocol or is likely to affect the subject's ability to comply with the protocol.
NOTE: Other protocol defined Inclusion/Exclusion criteria may apply

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02230969

Study Director: | Medical Director | Biogen |
Responsible Party: | Biogen |
ClinicalTrials.gov Identifier: | NCT02230969 |
Other Study ID Numbers: |
105MS401 |
First Posted: | September 3, 2014 Key Record Dates |
Last Update Posted: | April 22, 2020 |
Last Verified: | April 2020 |
peginterferon relapsing pegylated |
Subcutaneous Injectable Multiple Sclerosis |
Multiple Sclerosis Sclerosis Pathologic Processes Demyelinating Autoimmune Diseases, CNS Autoimmune Diseases of the Nervous System Nervous System Diseases Demyelinating Diseases Autoimmune Diseases Immune System Diseases |
Interferons Interferon-beta Interferon beta-1a Antineoplastic Agents Antiviral Agents Anti-Infective Agents Immunologic Factors Physiological Effects of Drugs Adjuvants, Immunologic |