E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Multiple Sclerosis (MS) or Clinically Isolated Syndrome (CIS) [in line with the locally approved indications] |
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E.1.1.1 | Medical condition in easily understood language |
MS is a chronic disease in which the immune system attacks the insulation and support around the nerve cells in the brain, spinal cord and optic nerves, causing inflammation and consequent damage. |
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E.1.1.2 | Therapeutic area | Diseases [C] - Nervous System Diseases [C10] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10028245 |
E.1.2 | Term | Multiple sclerosis |
E.1.2 | System Organ Class | 10029205 - Nervous system disorders |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10071068 |
E.1.2 | Term | Clinically isolated syndrome |
E.1.2 | System Organ Class | 10029205 - Nervous system disorders |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
• To evaluate whether infants potentially exposed to ocrelizumab during pregnancy present with postpartum B cell depletion |
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E.2.2 | Secondary objectives of the trial |
• To evaluate B cell levels in infants potentially exposed to ocrelizumab during pregnancy • To evaluate whether there is placental transfer of ocrelizumab from the mother to the infant • To evaluate whether infants potentially exposed to ocrelizumab during pregnancy are able to mount humoral immune responses to clinically relevant vaccines • To evaluate the levels of ocrelizumab in the mother during pregnancy • To evaluate the safety of ocrelizumab in the mother, and the safety of infants potentially exposed to ocrelizumab • To evaluate pregnancy and neonatal outcomes |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• An informed consent form (ICF) for participation of the maternal subject and her unborn (for collection of blood samples, infant demographics and AE data) is signed and dated by the subject. Where applicable, the written ICF with respect to the infant is also signed and dated by the holder of parental rights as designated by the maternal subject • Able and willing to comply with the study protocol, in the Investigator’s judgment • Age 18-40 years, inclusive, at screening • Have a diagnosis of MS or CIS (in line with the locally approved indications) • Currently pregnant with singleton pregnancy at gestational week <=30 at enrolment • Documentation that first (12-week) and second (18 to 20-week) obstetric ultrasound (prenatal screening) has been conducted before enrolment • Documentation that the last exposure to ocrelizumab occurred up to 6 months before the LMP before the woman became pregnant OR during the first trimester of pregnancy (up to gestational week 13 inclusive) |
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E.4 | Principal exclusion criteria |
• Last exposure to ocrelizumab >6 months before the woman’s LMP or later than the first trimester (after gestational week 13) • Gestational age at enrolment >30 weeks • Non-singleton pregnancy • Received last dose of ocrelizumab at a different posology other than per the LPI • Social circumstances that may preclude a woman from participating in the study Exclusions related to obstetric and gynecological health • Lack of access to ultrasound pre-natal care as part of standard clinical practice • Women in whom aneuploid disorders or genetic disorders that cause major congenital malformations have been detected during first trimester prenatal screening (e.g.ultrasound, amniocentesis, genetic testing, nuchal translucency screening, chorionic villus sampling),or in whom any fetal anomalies (i.e., fetal biometry, fetal anatomy) have been detected during the morphology scan at around or before gestational week 18-20 • Documented history of disorders associated with adverse pregnancy outcomes, including but not limited to: o History of preterm birth (gestational age <37 weeks) for any indication with or without fetal malformations o History of spontaneous abortion (miscarriage) after the 1st trimester (i.e. after gestational week 13) o History of stillbirth (defined as fetal loss after gestational week 22) o History of pre-eclampsia/eclampsia o History of a cervical pathology or intervention which may increase the risk of cervical incompetence (e.g. history of cervical cerclage, prior cervical conization or loop electrosurgical excision procedure) • Prior or current history of any other gynecological or obstetric disease considered by the investigator to be associated with a high risk of adverse pregnancy outcomes in the current pregnancy Exclusions related to general health • Lack of peripheral venous access • Pre-pregnancy body mass index >35 kilograms per square meter • Any concomitant disease that may require chronic treatment with systemic corticosteroids or immunosuppressants during the course of the study • Prior or current history of primary or secondary immunodeficiency, or woman in an otherwise severely immunocompromised state. The woman may be re-screened and included if condition resolves significant and uncontrolled disease, such as cardiovascular, pulmonary, neurological, psychiatric, renal, hepatic, endocrine, or gastrointestinal or any other significant disease that may preclude a woman from participating in the study • Women with known active malignancies or being actively monitored for recurrence of malignancy including solid tumors and hematological malignancies (except basal cell and in situ squamous cell carcinomas of the skin). Women with in situ carcinoma of the cervix of the uterus, even if excised and resolved with documented clean margins on pathology, are excluded from the study • Prior or current history of alcohol or drug abuse, or current use of tobacco Exclusions Related to Laboratory Findings • Any abnormal screening laboratory value that is clinically relevant will be retested only once in order to rule out any progressive or uncontrolled underlying condition. The last value before study entry must meet study criteria • Women with positive screening tests for hepatitis B, determined by a positive HBsAg result (current infection) or positive HBcAb titers (previous infection) will be excluded. Women with documented history of hepatitis B virus vaccination or positive hepatitis B surface antibody titers are eligible Exclusions Related to Medications Absolute exclusions • Drugs known to have teratogenic effects including but not limited to certain anticonvulsants (even if used for pain management), antibiotics such as tetracyclines or fluoroquinolones • Planned treatment with interferons, glatiramer acetate, or pulsed corticosteroids as a bridging therapy after the last ocrelizumab dose before enrolment and throughout pregnancy Relative exclusions • Treatment with one of the following agents prior to the last ocrelizumab dose or prior to the LMP, whichever occurred first: − Treatment with siponimod or ponesimod within 10 days − Treatment with mycophenolate within 6 weeks − Treatment with fingolimod within 2 months − Treatment with ozanimod within 3 months − Treatment with alemtuzumab within 4 months − Treatment with mitoxantrone, methotrexate, rituximab, ofatumumab or cladribine within 6 months − Treatment with cyclophosphamide within 12 months • Treatment with natalizumab within 12 weeks prior to the LMP • Treatment with teriflunomide within the last 2 years, unless measured plasma concentrations are less than 0.02 mg/L. If levels are above 0.02 mg/L or not known, an accelerated elimination procedure will be implemented before screening visit • Treatment with any investigational agent within 6 months or 5 half-lives of the investigational drug (whichever is longer) prior to the last ocrelizumab dose or prior to the LMP whichever occurred first |
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E.5 End points |
E.5.1 | Primary end point(s) |
1. Proportion of infants with B cell levels (CD19+ cells, absolute counts) below the lower limit of normal (LLN), measured at week 6 of life |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
1. B cell levels (CD19+ cells, absolute counts and percentage of lymphocytes) measured at week 6 of life 2. Serum concentration of ocrelizumab in the umbilical cord blood at birth 3. Serum concentration of ocrelizumab in the infant at week 6 of life 4. Mean titers of antibody immune response(s) to vaccination to common childhood vaccinations with full or partial doses given prior to 1 year, which may include but not be limited to responses to DTaP, Hib, PCV-13, MMR, and HBV 5. Proportion of infants with positive humoral response (seroprotective titers; as defined for the individual vaccine) to vaccines 6. Serum concentration of ocrelizumab in the mother during pregnancy (time frame of blood sampling: Week 24-30, Week 35) and at delivery (time frame of blood sampling: within 24 hours after delivery) 7. Rate and nature of adverse events (AEs) in the mother throughout the study, including changes in clinical and laboratory results 8. Rate and nature of AEs in the infant throughout the study, including infections and hospitalizations 9. Proportion of pregnancies resulting in live births (term and preterm, with and without congenital anomalies), therapeutic abortions, or stillbirths 10. Infant characteristics at birth, including but not limited to body weight, head circumference and length |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1. At Week 6 of life 2. Within 1 hour after delivery 3. At Week 6 of life 4-5. 1 month after the first or second dose of MMR vaccine, or at month 13 of age in case MMR vaccine is not planned to be administered 6. At Weeks 24-30, Week 35 and within 24 hours after delivery 7.-8. Throughout the study 9.-10. At birth |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | No |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
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E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | No |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | Yes |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 3 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 8 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Australia |
Canada |
United States |
France |
Spain |
Switzerland |
Germany |
Italy |
United Kingdom |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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The end of study is defined as the date of the last assessment (vaccine response titers measured 1 month [+ 30 days] after the 1st or 2nd dose of MMR vaccine, or at Month 13 (of age (+ 30 days) if MMR is not planned to be administered for the last infant. Total length of study, from screening of the first woman to the end of the study, is expected to be approximately 25 months. This includes an enrollment period of approximately 8 months and subject participation period of approx. 17 months.
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 1 |
E.8.9.1 | In the Member State concerned months | 1 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 1 |
E.8.9.2 | In all countries concerned by the trial days | 0 |