E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Type 1 Diabetes Mellitus with Impaired Hypoglycemic Awareness and Severe Hypoglycemia |
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E.1.1.1 | Medical condition in easily understood language |
Type 1 Diabetes with Severe Low Blood Sugar |
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E.1.1.2 | Therapeutic area | Diseases [C] - Nutritional and Metabolic Diseases [C18] |
MedDRA Classification |
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 | 10012601 |
E.1.2 | Term | Diabetes mellitus |
E.1.2 | System Organ Class | 10027433 - Metabolism and nutrition disorders |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10081605 |
E.1.2 | Term | Severe hypoglycemia |
E.1.2 | System Organ Class | 10027433 - Metabolism and nutrition 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 |
Evaluate the efficacy of VX-880 infusion in subjects who have T1D with impaired hypoglycemic awareness and severe hypoglycemia |
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E.2.2 | Secondary objectives of the trial |
- Evaluate the efficacy of VX-880 infusion on insulin independence - Evaluate VX-880 islet cell function over time - Evaluate the safety and tolerability of VX-880 infusion in subjects who have T1D with impaired hypoglycemic awareness and severe hypoglycemia
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Clinical history and laboratory evidence of T1D 2. At least 2 episodes of severe hypoglycemia (confirmed by independent adjudication for subjects in Parts B and C) in the 12 months prior to signing of informed consent at Screening. 3. Reduced awareness of hypoglycemia at Screening 4. Consistent use of continuous glucose monitor (CGM) for at least 3 months before Screening 5. Compatible blood group (A or AB)
Please refer to Section 8.1 of the Protocol for additional inclusion criteria |
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E.4 | Principal exclusion criteria |
1. Prior islet cell transplant, organ transplant, or cell therapy 2. Advanced complications associated with diabetes including untreated proliferative retinopathy, skin ulcers, or amputations attributable to diabetes. 3. Subjects who have any 1 of the following criteria: o Insulin requirements: >0.8 U/(kg*day), >55 U/day, or <10 U/day; o HbA1c: <6.0% or >9.5% 4. Clinically significant active infection or chronic infection such as hepatitis B, hepatitis C, human immunodeficiency virus (HIV), and/or tuberculosis (TB); or invasive aspergillus, histoplasmosis, or coccidioidomycosis infection within 1 year prior to signing of informed consent at Screening. 5. Negative screen for Epstein-Barr virus (EBV) by immunoglobulin G (IgG) determination
Please refer to Section 8.2 of the Protocol for additional exclusion criteria |
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E.5 End points |
E.5.1 | Primary end point(s) |
Part A • Safety and tolerability assessments Part B • Safety and tolerability assessments • Number of subjects with peak C-peptide ≥100 pmol/L during mixed-meal tolerance test (MMTT) Part C • Proportion of subjects free of severe hypoglycemic events (SHEs) from Day 90 through Day 365 (inclusive) and with either a glycosylated hemoglobin (HbA1c) <7.0% or a ≥1% reduction in HbA1c from baseline (at one time point) between Day 180 and Day 365 after VX-880 infusion |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Please refer to the protocol |
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E.5.2 | Secondary end point(s) |
• Proportion of subjects who are insulin independent (at one timepoint) between Day 180 and Day 365 after VX-880 infusion • Proportion of subjects with peak C-peptide ≥100 pmol/L during MMTT over time. • Safety and tolerability assessments
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Please refer to the protocol |
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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 | Yes |
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) | Yes |
E.7.1.1 | First administration to humans | Yes |
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 | 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.8.2.4 | Number of treatment arms in the trial | 1 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 6 |
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 |
France |
Netherlands |
Switzerland |
Germany |
Italy |
Norway |
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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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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 5 |
E.8.9.1 | In the Member State concerned months | 4 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 5 |
E.8.9.2 | In all countries concerned by the trial months | 4 |