Raw JSON
{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D009103', 'term': 'Multiple Sclerosis'}], 'ancestors': [{'id': 'D020278', 'term': 'Demyelinating Autoimmune Diseases, CNS'}, {'id': 'D020274', 'term': 'Autoimmune Diseases of the Nervous System'}, {'id': 'D009422', 'term': 'Nervous System Diseases'}, {'id': 'D003711', 'term': 'Demyelinating Diseases'}, {'id': 'D001327', 'term': 'Autoimmune Diseases'}, {'id': 'D007154', 'term': 'Immune System Diseases'}]}, 'interventionBrowseModule': {'meshes': [{'id': 'D000069442', 'term': 'Natalizumab'}], 'ancestors': [{'id': 'D061067', 'term': 'Antibodies, Monoclonal, Humanized'}, {'id': 'D000911', 'term': 'Antibodies, Monoclonal'}, {'id': 'D000906', 'term': 'Antibodies'}, {'id': 'D007136', 'term': 'Immunoglobulins'}, {'id': 'D007162', 'term': 'Immunoproteins'}, {'id': 'D001798', 'term': 'Blood Proteins'}, {'id': 'D011506', 'term': 'Proteins'}, {'id': 'D000602', 'term': 'Amino Acids, Peptides, and Proteins'}, {'id': 'D012712', 'term': 'Serum Globulins'}, {'id': 'D005916', 'term': 'Globulins'}]}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'bw8@buffalo.edu', 'phone': '716-829-4415', 'title': 'Dr. Bianca Weinstock-Guttman', 'organization': 'Jacobs School of Medicine and Biomedical Sciences, University of Buffalo, Buffalo, NY, USA.'}, 'certainAgreement': {'piSponsorEmployee': False, 'restrictiveAgreement': False}, 'limitationsAndCaveats': {'description': "The study's nature required long waiting periods for pregnancies, and not all pregnant pwMS were open to enrollment. The demands of early motherhood led to significant drop-out rates over the four follow-up visits. Many patients opted out of starting natalizumab post-delivery as initially intended. These factors, combined with the COVID-19 pandemic, which significantly impacted research participation, resulted in a small sample size and diminishing cases throughout the follow-up period."}}, 'adverseEventsModule': {'timeFrame': '52 weeks', 'description': 'Serious side effects Infections Jaundice Anemia Allergy or infection in the brain Acute hypersensitivity reactions Cholelithiasis\n\nCommon side effects Headache Fatigue Urinary tract infection Joint pain Lung infection Depression Pain in arms or legs Diarrhea Vaginitis Rash Relapse not requiring hospitalization', 'eventGroups': [{'id': 'EG000', 'title': 'Natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.\n\nNatalizumab', 'otherNumAtRisk': 4, 'deathsNumAtRisk': 4, 'otherNumAffected': 2, 'seriousNumAtRisk': 4, 'deathsNumAffected': 0, 'seriousNumAffected': 0}, {'id': 'EG001', 'title': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.', 'otherNumAtRisk': 26, 'deathsNumAtRisk': 26, 'otherNumAffected': 7, 'seriousNumAtRisk': 26, 'deathsNumAffected': 0, 'seriousNumAffected': 0}], 'otherEvents': [{'term': 'MS relapse', 'notes': 'MS relapse not requiring hospitalization', 'stats': [{'groupId': 'EG000', 'numAtRisk': 4, 'numEvents': 2, 'numAffected': 2}, {'groupId': 'EG001', 'numAtRisk': 26, 'numEvents': 7, 'numAffected': 7}], 'organSystem': 'Nervous system disorders', 'assessmentType': 'NON_SYSTEMATIC_ASSESSMENT'}], 'frequencyThreshold': '0'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': 'Relapses Post Partum', 'denoms': [{'units': 'Participants', 'counts': [{'value': '4', 'groupId': 'OG000'}, {'value': '24', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.\n\nNatalizumab'}, {'id': 'OG001', 'title': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.'}], 'classes': [{'categories': [{'measurements': [{'value': '2', 'groupId': 'OG000'}, {'value': '7', 'groupId': 'OG001'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': '52 weeks', 'description': 'The primary endpoint are the relapses during 1 year post-delivery in patients treated with natalizumab. This will be compared to the relapse frequency in the parallel control group.', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED', 'populationDescription': 'Two of the 4 natalizumab users reported post-partum relapses, compared to 7 out of the 24 who were not using natalizumab post-partum.'}, {'type': 'SECONDARY', 'title': 'Expanded Disability Status Scale (EDSS) Worsening', 'denoms': [{'units': 'Participants', 'counts': [{'value': '3', 'groupId': 'OG000'}, {'value': '25', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.\n\nNatalizumab'}, {'id': 'OG001', 'title': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.'}], 'classes': [{'categories': [{'measurements': [{'value': '0', 'groupId': 'OG000'}, {'value': '4', 'groupId': 'OG001'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': '52 weeks', 'description': 'EDSS scores were determined at multiple timepoints, with scores nearest to week 52 selected for analysis. The difference between EDSS scores at baseline and week 52 were calculated, categorizing patients into two groups: stable or worsened. EDSS worsening was defined as a 1.0 increase for baseline scores below 6.0, or a 0.5-point increase for baseline scores of 6.0 or higher.', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED', 'populationDescription': 'Number of patients who worsened in EDSS scores comparing baseline visit to visit closest to 52 weeks.'}, {'type': 'SECONDARY', 'title': 'Difference in Mean Expanded Disability Status Scale (EDSS) Scores Between Persons With MS (pwMS) Treated With Natalizumab Versus Other Disease-modifying Therapies (DMT)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '4', 'groupId': 'OG000'}, {'value': '25', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.\n\nNatalizumab'}, {'id': 'OG001', 'title': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.'}], 'classes': [{'categories': [{'measurements': [{'value': '1.8', 'spread': '0.5', 'groupId': 'OG000'}, {'value': '1.8', 'spread': '1.0', 'groupId': 'OG001'}]}]}], 'paramType': 'MEAN', 'timeFrame': '52 weeks', 'description': 'The Expanded Disability Status Scale (EDSS) is a standardized measure of disability progression in multiple sclerosis (MS), ranging from 0 to 10 in 0.5-unit increments, with higher scores indicating greater disability. EDSS scores were determined at multiple timepoints, with scores nearest to week 52 selected for analysis.', 'unitOfMeasure': 'score on a scale', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED', 'populationDescription': 'Persons with MS with available EDSS scores comparing the visit closest to 52 weeks between those treated with natalizumab vs other DMTs.'}, {'type': 'SECONDARY', 'title': 'Change in MRI', 'denoms': [{'units': 'Participants', 'counts': [{'value': '4', 'groupId': 'OG000'}, {'value': '18', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.\n\nNatalizumab'}, {'id': 'OG001', 'title': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.'}], 'classes': [{'title': 'New T2 lesions', 'denoms': [{'units': 'Participants', 'counts': [{'value': '4', 'groupId': 'OG000'}, {'value': '18', 'groupId': 'OG001'}]}], 'categories': [{'measurements': [{'value': '3', 'groupId': 'OG000'}, {'value': '5', 'groupId': 'OG001'}]}]}, {'title': 'NEW GdE lesions', 'denoms': [{'units': 'Participants', 'counts': [{'value': '4', 'groupId': 'OG000'}, {'value': '17', 'groupId': 'OG001'}]}], 'categories': [{'measurements': [{'value': '1', 'groupId': 'OG000'}, {'value': '3', 'groupId': 'OG001'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': '52 weeks', 'description': 'The patients with MS (pwMS) underwent at least two MRI examinations: the first occurring 1-3 months postpartum (before the first post-partum dose of natalizumab) and a follow-up MRI closest to the week 52 visit. For this study, T2-FLAIR and T1-weighted sequences were acquired before and after gadolinium contrast administration. A licensed and experienced neuroradiologist analyzed the MRI scans, determining the number of new or newly enlarging T2 lesions and new T1 contrast-enhancing (GdE) lesions. The identification of new lesions was based on comparisons with pre-pregnancy scans.', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED', 'populationDescription': 'Patients with MS (pwMS) with available MRI data'}, {'type': 'SECONDARY', 'title': 'Percent of Relapse Free Patients', 'denoms': [{'units': 'Participants', 'counts': [{'value': '4', 'groupId': 'OG000'}, {'value': '24', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.\n\nNatalizumab'}, {'id': 'OG001', 'title': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.'}], 'classes': [{'categories': [{'measurements': [{'value': '2', 'groupId': 'OG000'}, {'value': '17', 'groupId': 'OG001'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': '52 weeks', 'description': 'Percent of relapse free patients between the groups', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED', 'populationDescription': 'Relapse free at 52 weeks'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Change in QoL Measures', 'denoms': [{'units': 'Participants', 'counts': [{'value': '4', 'groupId': 'OG000'}, {'value': '18', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'Natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.\n\nNatalizumab'}, {'id': 'OG001', 'title': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.'}], 'classes': [{'title': 'MSIS Physical Worsening', 'categories': [{'measurements': [{'value': '3', 'groupId': 'OG000'}, {'value': '9', 'groupId': 'OG001'}]}]}, {'title': 'MSIS Mental Worsening', 'categories': [{'measurements': [{'value': '4', 'groupId': 'OG000'}, {'value': '9', 'groupId': 'OG001'}]}]}, {'title': 'FSMC Worsening', 'categories': [{'measurements': [{'value': '4', 'groupId': 'OG000'}, {'value': '9', 'groupId': 'OG001'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': '52 weeks', 'description': "The study participants completed multiple patient-reported outcome (PRO) questionnaires: the Multiple Sclerosis Impact Scale-29 (MSIS-29) and the Fatigue Scale for Motor and Cognitive Function (FSMC). The MSIS-29 is a psychometrically validated 29-item measure widely used in MS treatment trials, consisting of two domains: a 20-item physical impact subscale and a 9-item psychological impact subscale. The FSMC is a 20-item scale designed to assess fatigue in MS patients, with 10 items each for cognitive and motor fatigue. Both scales have proven to be valuable tools in assessing the impact of MS on patients' daily lives and are frequently used in clinical trials and research settings.", 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED', 'populationDescription': 'Worsening of MSIS physical, mental, or FSMC worsening comparing baseline to week 52.'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Proportion of Postpartum MS Patients With Disability Progression Comparing Those Who Used a Disease Modifying Therapy (DMT) After Delivery vs Those Who Did Not Re-start a DMT After Delivery.', 'denoms': [{'units': 'Participants', 'counts': [{'value': '22', 'groupId': 'OG000'}, {'value': '6', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'DMT Used', 'description': 'DMT restarted within 1 year postpartum'}, {'id': 'OG001', 'title': 'No DMT Used', 'description': 'DMT not restarted within 1 year postpartum'}], 'classes': [{'categories': [{'measurements': [{'value': '3', 'groupId': 'OG000'}, {'value': '1', 'groupId': 'OG001'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': '52 weeks', 'description': 'To evaluate the impact of postpartum DMT use on disability progression, we compared the proportion of patients experiencing confirmed EDSS worsening at 52 weeks between those who restarted DMT after delivery and those who did not. Confirmed EDSS worsening was defined as an increase of ≥1.0 point from baseline for patients with baseline EDSS \\<6.0, or ≥0.5 points for patients with baseline EDSS ≥6.0, sustained for at least 12 weeks.', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED', 'populationDescription': 'Persons with MS (pwMS) who participated in this study.'}, {'type': 'OTHER_PRE_SPECIFIED', 'title': 'Difference in EDSS Scores Between Patients With MS (pwMS) Who Used a Disease Modifying Therapy (DMT) After Delivery vs Those Who Did Not Re-start a DMT After Delivery.', 'denoms': [{'units': 'Participants', 'counts': [{'value': '23', 'groupId': 'OG000'}, {'value': '6', 'groupId': 'OG001'}]}], 'groups': [{'id': 'OG000', 'title': 'DMT Used', 'description': 'DMT restarted within 1 year postpartum'}, {'id': 'OG001', 'title': 'No DMT Used', 'description': 'DMT not restarted within 1 year postpartum'}], 'classes': [{'categories': [{'measurements': [{'value': '1.7', 'spread': '0.8', 'groupId': 'OG000'}, {'value': '2.3', 'spread': '1.2', 'groupId': 'OG001'}]}]}], 'paramType': 'MEAN', 'timeFrame': '52 weeks', 'description': 'To evaluate the impact of postpartum DMT use on disability progression, we compared the mean EDSS scores (a standardized measure of MS disability ranging from 0-10) at 52 weeks between patients who restarted DMT after delivery and those who did not.', 'unitOfMeasure': 'score on a scale', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED', 'populationDescription': 'Persons with MS (pwMS) who participated in this study.'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.\n\nNatalizumab'}, {'id': 'FG001', 'title': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.'}], 'periods': [{'title': 'Overall Study', 'milestones': [{'type': 'STARTED', 'achievements': [{'comment': 'Post-delivery start after 4 weeks', 'groupId': 'FG000', 'numSubjects': '4'}, {'groupId': 'FG001', 'numSubjects': '26'}]}, {'type': 'COMPLETED', 'achievements': [{'comment': 'Monitored for 52 weeks post-delivery', 'groupId': 'FG000', 'numSubjects': '4'}, {'groupId': 'FG001', 'numSubjects': '26'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '0'}, {'groupId': 'FG001', 'numSubjects': '0'}]}]}], 'recruitmentDetails': 'Post-delivery patients enrolled and followed for 52 weeks. Study had difficulty in enrollment locally (Buffalo).'}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '4', 'groupId': 'BG000'}, {'value': '26', 'groupId': 'BG001'}, {'value': '30', 'groupId': 'BG002'}]}], 'groups': [{'id': 'BG000', 'title': 'Natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.\n\nNatalizumab'}, {'id': 'BG001', 'title': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.'}, {'id': 'BG002', 'title': 'Total', 'description': 'Total of all reporting groups'}], 'measures': [{'title': 'Age, Continuous', 'classes': [{'categories': [{'measurements': [{'value': '35.3', 'spread': '4.3', 'groupId': 'BG000'}, {'value': '31.8', 'spread': '5.6', 'groupId': 'BG001'}, {'value': '32.3', 'spread': '5.5', 'groupId': 'BG002'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'years', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '4', 'groupId': 'BG000'}, {'value': '26', 'groupId': 'BG001'}, {'value': '30', 'groupId': 'BG002'}]}, {'title': 'Male', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Race (NIH/OMB)', 'classes': [{'categories': [{'title': 'American Indian or Alaska Native', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Asian', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Native Hawaiian or Other Pacific Islander', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Black or African American', 'measurements': [{'value': '1', 'groupId': 'BG000'}, {'value': '2', 'groupId': 'BG001'}, {'value': '3', 'groupId': 'BG002'}]}, {'title': 'White', 'measurements': [{'value': '3', 'groupId': 'BG000'}, {'value': '22', 'groupId': 'BG001'}, {'value': '25', 'groupId': 'BG002'}]}, {'title': 'More than one race', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '0', 'groupId': 'BG001'}, {'value': '0', 'groupId': 'BG002'}]}, {'title': 'Unknown or Not Reported', 'measurements': [{'value': '0', 'groupId': 'BG000'}, {'value': '2', 'groupId': 'BG001'}, {'value': '2', 'groupId': 'BG002'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Region of Enrollment', 'classes': [{'title': 'United States', 'categories': [{'measurements': [{'value': '4', 'groupId': 'BG000'}, {'value': '26', 'groupId': 'BG001'}, {'value': '30', 'groupId': 'BG002'}]}]}], 'paramType': 'NUMBER', 'unitOfMeasure': 'participants'}, {'title': 'Expanded Disability Status Scale (EDSS)', 'classes': [{'categories': [{'measurements': [{'value': '2.0', 'spread': '0.0', 'groupId': 'BG000'}, {'value': '1.5', 'spread': '0.9', 'groupId': 'BG001'}, {'value': '1.6', 'spread': '0.9', 'groupId': 'BG002'}]}]}], 'paramType': 'MEAN', 'description': 'The Expanded Disability Status Scale (EDSS) is a measure used to assess disability levels in individuals with multiple sclerosis. It ranges from 0 (no disability) to 10 (death due to MS). Scores from 1.0 to 4.5 indicate patients with significant ambulatory abilities, while scores from 5.0 to 9.5 reflect progressive loss of mobility.', 'unitOfMeasure': 'units on a scale', 'dispersionType': 'STANDARD_DEVIATION'}], 'populationDescription': 'Only 30 patients enrolled'}}, 'documentSection': {'largeDocumentModule': {'largeDocs': [{'date': '2019-05-15', 'size': 554201, 'label': 'Study Protocol and Statistical Analysis Plan', 'hasIcf': False, 'hasSap': True, 'filename': 'Prot_SAP_000.pdf', 'typeAbbrev': 'Prot_SAP', 'uploadDate': '2024-09-10T12:31', 'hasProtocol': True}, {'date': '2021-07-02', 'size': 310706, 'label': 'Informed Consent Form', 'hasIcf': True, 'hasSap': False, 'filename': 'ICF_001.pdf', 'typeAbbrev': 'ICF', 'uploadDate': '2024-09-10T12:32', 'hasProtocol': False}]}}, 'protocolSection': {'designModule': {'phases': ['PHASE4'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'NON_RANDOMIZED', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'OTHER', 'interventionModel': 'PARALLEL'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 30}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2015-08', 'type': 'ACTUAL'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2025-01', 'completionDateStruct': {'date': '2023-12', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2025-01-22', 'studyFirstSubmitDate': '2017-02-03', 'resultsFirstSubmitDate': '2024-09-13', 'studyFirstSubmitQcDate': '2017-02-03', 'lastUpdatePostDateStruct': {'date': '2025-01-24', 'type': 'ACTUAL'}, 'resultsFirstSubmitQcDate': '2024-12-30', 'studyFirstPostDateStruct': {'date': '2017-02-08', 'type': 'ESTIMATED'}, 'resultsFirstPostDateStruct': {'date': '2025-01-22', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2023-12', 'type': 'ACTUAL'}}, 'outcomesModule': {'otherOutcomes': [{'measure': 'Change in QoL Measures', 'timeFrame': '52 weeks', 'description': "The study participants completed multiple patient-reported outcome (PRO) questionnaires: the Multiple Sclerosis Impact Scale-29 (MSIS-29) and the Fatigue Scale for Motor and Cognitive Function (FSMC). The MSIS-29 is a psychometrically validated 29-item measure widely used in MS treatment trials, consisting of two domains: a 20-item physical impact subscale and a 9-item psychological impact subscale. The FSMC is a 20-item scale designed to assess fatigue in MS patients, with 10 items each for cognitive and motor fatigue. Both scales have proven to be valuable tools in assessing the impact of MS on patients' daily lives and are frequently used in clinical trials and research settings."}, {'measure': 'Proportion of Postpartum MS Patients With Disability Progression Comparing Those Who Used a Disease Modifying Therapy (DMT) After Delivery vs Those Who Did Not Re-start a DMT After Delivery.', 'timeFrame': '52 weeks', 'description': 'To evaluate the impact of postpartum DMT use on disability progression, we compared the proportion of patients experiencing confirmed EDSS worsening at 52 weeks between those who restarted DMT after delivery and those who did not. Confirmed EDSS worsening was defined as an increase of ≥1.0 point from baseline for patients with baseline EDSS \\<6.0, or ≥0.5 points for patients with baseline EDSS ≥6.0, sustained for at least 12 weeks.'}, {'measure': 'Difference in EDSS Scores Between Patients With MS (pwMS) Who Used a Disease Modifying Therapy (DMT) After Delivery vs Those Who Did Not Re-start a DMT After Delivery.', 'timeFrame': '52 weeks', 'description': 'To evaluate the impact of postpartum DMT use on disability progression, we compared the mean EDSS scores (a standardized measure of MS disability ranging from 0-10) at 52 weeks between patients who restarted DMT after delivery and those who did not.'}], 'primaryOutcomes': [{'measure': 'Relapses Post Partum', 'timeFrame': '52 weeks', 'description': 'The primary endpoint are the relapses during 1 year post-delivery in patients treated with natalizumab. This will be compared to the relapse frequency in the parallel control group.'}], 'secondaryOutcomes': [{'measure': 'Expanded Disability Status Scale (EDSS) Worsening', 'timeFrame': '52 weeks', 'description': 'EDSS scores were determined at multiple timepoints, with scores nearest to week 52 selected for analysis. The difference between EDSS scores at baseline and week 52 were calculated, categorizing patients into two groups: stable or worsened. EDSS worsening was defined as a 1.0 increase for baseline scores below 6.0, or a 0.5-point increase for baseline scores of 6.0 or higher.'}, {'measure': 'Difference in Mean Expanded Disability Status Scale (EDSS) Scores Between Persons With MS (pwMS) Treated With Natalizumab Versus Other Disease-modifying Therapies (DMT)', 'timeFrame': '52 weeks', 'description': 'The Expanded Disability Status Scale (EDSS) is a standardized measure of disability progression in multiple sclerosis (MS), ranging from 0 to 10 in 0.5-unit increments, with higher scores indicating greater disability. EDSS scores were determined at multiple timepoints, with scores nearest to week 52 selected for analysis.'}, {'measure': 'Change in MRI', 'timeFrame': '52 weeks', 'description': 'The patients with MS (pwMS) underwent at least two MRI examinations: the first occurring 1-3 months postpartum (before the first post-partum dose of natalizumab) and a follow-up MRI closest to the week 52 visit. For this study, T2-FLAIR and T1-weighted sequences were acquired before and after gadolinium contrast administration. A licensed and experienced neuroradiologist analyzed the MRI scans, determining the number of new or newly enlarging T2 lesions and new T1 contrast-enhancing (GdE) lesions. The identification of new lesions was based on comparisons with pre-pregnancy scans.'}, {'measure': 'Percent of Relapse Free Patients', 'timeFrame': '52 weeks', 'description': 'Percent of relapse free patients between the groups'}]}, 'oversightModule': {'oversightHasDmc': False, 'isFdaRegulatedDrug': True}, 'conditionsModule': {'conditions': ['Multiple Sclerosis']}, 'descriptionModule': {'briefSummary': 'The purpose of this study is to evaluate if monthly natalizumab, initiated after delivery, is effective in preventing postpartum relapses.', 'detailedDescription': 'Postpartum patients with a diagnosis of multiple sclerosis (MS) will be given the opportunity to enroll in this study that will evaluate the efficacy of IV natalizumab to prevent postpartum relapses. Natalizumab, administered as 300mg IV q 4 weeks, will be initiated postpartum (0-30 days post-delivery).\n\nPatients who decline natalizumab treatment postpartum will be given the opportunity to enroll in the study in the control group. The control group will have similar inclusion and exclusion criteria as well as scheduled visit and study procedures as the active natalizumab treatment group.\n\nThe primary objective of the trial is to assess the efficacy of IV administered natalizumab, monthly for 1 year, in preventing relapses during the postpartum period.\n\nThe secondary objectives of the trial are to assess the efficacy of natalizumab in decreasing the risk for disability progression during the postpartum period and to prevent the appearance of new and/or enlarging brain MRI lesions as measured by qualitative MRI analysis.\n\nThe tertiary objective is to assess the association of the clinical outcomes with subject evaluations including patient reported outcomes.'}, 'eligibilityModule': {'sex': 'FEMALE', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'genderBased': True, 'healthyVolunteers': False, 'eligibilityCriteria': "Inclusion Criteria:\n\n1. Female subjects postpartum, 0-30 days postpartum at the time of informed consent.\n2. Diagnosis of relapsing form of MS.\n3. Willing to initiating natalizumab and enroll in the TOUCH system.\n4. Willing and able to comply with the study procedures for the duration of the trial.\n5. Signed informed consent and HIPAA authorization.\n\nExclusion Criteria:\n\n1. Diagnosis of primary progressive MS.\n2. Breastfeeding\n3. Use of IVIG in Tysabri treated subjects.\n4. Significant renal or hepatic impairment (in the opinion of the investigator) or other significant disease (e.g., cognitive impairment) that would compromise adherence and completion of the trial.\n5. History of hypersensitivity to previous exposure or presence of antibodies to natalizumab.\n6. Any other factor that, in the opinion of the investigator, would make the subject unsuitable for participation in this study.\n7. Patients that experience relapses and/or initiated DMT's during pregnancy\n\nThe Control group will consist of relapsing MS patients post-delivery who decline natalizumab therapy but open to enroll in the study.\n\nSimilar Inclusion and Exclusion criteria as the natalizumab group with the exception of requiring TOUCH enrollment program. The Control group will be allowed to initiate any FDA approved DMT at any time post delivery or remain on no therapy while breastfeeding."}, 'identificationModule': {'nctId': 'NCT03046251', 'acronym': 'NAPPREMS', 'briefTitle': 'Natalizumab in Preventing Post-partum Relapses in Multiple Sclerosis', 'organization': {'class': 'OTHER', 'fullName': 'State University of New York at Buffalo'}, 'officialTitle': 'Natalizumab in Preventing Post-partum Relapses in Multiple Sclerosis', 'orgStudyIdInfo': {'id': 'US-TYS-14-10720'}}, 'armsInterventionsModule': {'armGroups': [{'type': 'OTHER', 'label': 'natalizumab', 'description': 'Participants in this group are those who opt to receive treatment with natalizumab IV 300mg/day given q 4 weeks for 48 weeks.', 'interventionNames': ['Drug: Natalizumab']}, {'type': 'NO_INTERVENTION', 'label': 'Control', 'description': 'Participants in this group may initiate any FDA approved DMT at any time post delivery or remain on no therapy.'}], 'interventions': [{'name': 'Natalizumab', 'type': 'DRUG', 'armGroupLabels': ['natalizumab']}]}, 'contactsLocationsModule': {'locations': [{'zip': '14203', 'city': 'Buffalo', 'state': 'New York', 'country': 'United States', 'facility': 'SUNY Buffalo', 'geoPoint': {'lat': 42.88645, 'lon': -78.87837}}], 'overallOfficials': [{'name': 'Bianca Weinstock-Guttman, MD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'SUNY Buffalo'}]}, 'ipdSharingStatementModule': {'ipdSharing': 'NO'}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'State University of New York at Buffalo', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Professor of Neurology', 'investigatorFullName': 'Bianca Weinstock-Guttman', 'investigatorAffiliation': 'State University of New York at Buffalo'}}}}