E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Unexplained recurrent pregnancy loss. A distinct disorder from sporadic pregnancy loss and is characterized by the loss of multiple pregnancies |
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E.1.1.1 | Medical condition in easily understood language |
Recurrent pregnancy loss or recurrent miscarriage |
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E.1.1.2 | Therapeutic area | Diseases [C] - Female diseases of the urinary and reproductive systems and pregancy complications [C13] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 17.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10072314 |
E.1.2 | Term | Pregnancy loss |
E.1.2 | System Organ Class | 100000004868 |
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E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
• To evaluate the efficacy of subcutaneous NT100 (rhG-CSF) vs. placebo in pregnant women with a history of unexplained recurrent pregnancy loss
• To evaluate the safety, tolerability, and immunogenicity of subcutaneous NT100 in pregnant women with a history of unexplained recurrent pregnancy loss
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E.2.2 | Secondary objectives of the trial |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Pre-menopausal female 18-37 years of age at consent, trying to conceive
2. Documented history of unexplained recurrent pregnancy loss, defined as:
a. Spontaneous loss of three or more pregnancies prior to 20 completed weeks of gestation
b. At least two of the losses must have involved intrauterine clinical pregnancies prior to
20 completed weeks of gestation with normal or unknown fetal karyotype
3. Spontaneous conception, as confirmed by urine pregnancy test performed at the investigative site
4. Body mass index (BMI) of 19-35 kg/m2 at consent
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E.4 | Principal exclusion criteria |
1. Greater than 5 weeks of gestation (i.e. greater than 3 weeks since the ovulation date) when presenting for randomization. Ovulation date is defined as the day after the ovulation test is first positive.
2. Known karyotype abnormalities in either the participant or her current male partner
3. Uncorrected clinically significant intrauterine abnormalities present at the time of consent (as assessed by ultrasound, hysterosonography, hysterosalpingography, or hysteroscopy within 3 years prior to consent)
4. Abnormal vaginal bleeding of unknown cause
5. Current diagnosis of infertility in either the participant or her current male partner
6. Current or past diagnosis of the following:
a. Systemic autoimmune disease (e.g. systemic lupus erythematosus, Hashimoto’s thyroiditis, Graves’ disease, rheumatoid arthritis)
b. Antiphospholipid syndrome or disorder presence of lupus anticoagulant or anti-cardiolipin antibodies
c. Protein C or S deficiency
d. Other thrombophilia or evidence of thrombophilia (e.g. recurrent deep vein thrombosis, pulmonary embolism)
e. Hyperprolactinemia
f. High risk of cervical incompetence in the investigator’s opinion
g. High-grade cervical dysplasia with conization/surgery
7. Any uncontrolled clinically significant medical condition (e.g. asthma, type II diabetes, infection)
8. The following laboratory abnormalities at initial consent and within 3 months prior to randomization
a. Thrombocytopenia or thrombocytosis (platelet count < 75,000/µL or > 500,000/µL)
b. Neutropenia or neutrophilia (absolute neutrophil count < 1500/µL or > 10,000/µL)
c. Leukopenia or leukocytosis (white blood cell count < 3000/µL or > 15,000/µL)
d. Creatinine, hepatic transaminases, lactate dehydrogenase (LDH), alkaline phosphatase, or uric acid ≥ 1.5x upper limit of normal (ULN)
9. Use of lithium within 1 month prior to consent
10. Known hypersensitivity to any rhG-CSF drug product, any of its components, or any E. coli-derived proteins
11. History of any of the following conditions:
a. Human immunodeficiency virus (HIV) infection
b. Malignancy within the past 5 years other than treated basal cell carcinoma or squamous cell carcinoma of the skin
c. Splenomegaly or splenic rupture
d. Adult respiratory distress syndrome (ARDS), acute lung injury (ALI), or pulmonary edema
e. Sickle cell anemia
f. Acute myocardial infarction, stroke, or revascularization (coronary or cerebral)
12. Previous rhG-CSF therapy for any indication
13. In the investigator’s opinion, any contraindication to the use of an investigational drug
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary outcome measure is the clinical pregnancy rate at Week 20 of gestation. |
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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. Live birth
2. Live birth beyond 34 weeks of gestation
3. Clinical pregnancy at Week 6, 8 and 12 of gestation
4. Spontaneous pregnancy loss under 24 weeks
5. Stillbirth
6. Neonatal birth weight
7. Infants discharged alive from the hospital following delivery
8. Maternal adverse events and serious adverse events during the treatment period and within 4 weeks of the last dose of study drug
9. Changes in clinical laboratory parameters following study drug exposure
10. Major congenital anomalies
11. Diagnosis of pre-eclampsia, eclampsia, gestational hypertension, or placenta accreta
12. Incidence of anti-drug antibody (ADA) formation
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
1. Live birth
2. Live birth beyond 34 weeks of gestation - >34 weeks
3. clinical pregnancy rate at Week 6, 8 & 12 of gestation - 6, 8 & 12 weeks
4. Spontaneous pregnancy loss - <24 weeks
5. Stillbirth - >=24 weeks
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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 | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
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 | No |
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) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
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 | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
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 | 15 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | Yes |
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 the clinical trial is defined as the last study visit for the last participant.
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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 | |
E.8.9.1 | In the Member State concerned months | 21 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial months | 21 |
E.8.9.2 | In all countries concerned by the trial days | 0 |