E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
relative vitamin D3 deficiency |
relativer Vitamin D3 Mangel |
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E.1.1.1 | Medical condition in easily understood language |
relative vitamin D3 deficiency |
relativer Vitamin D3 Mangel |
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E.1.1.2 | Therapeutic area | Body processes [G] - Immune system processes [G12] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 16.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10046242 |
E.1.2 | Term | Unspecified vitamin D deficiency |
E.1.2 | System Organ Class | 100000004861 |
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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 |
The main objective of the trial is to assess the impact of vitamin D3 on immune cells (frequency of CD38+ B-cells) in subjects with relative vitamin D3 deficiency after one injection of 100,000 I.U. either intramuscular or subcutaneous. |
Hauptziel dieser Untersuchung ist die Vitamin D3-abhängige Modulation von Immunzellen (Frequenz von CD38+ B-Lymphozyten) nach einmaliger intramuskulären oder subkutanen Injektion von 100.000 I.E. bei Probanden mit relativen Vitamin D3 Mangel.
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E.2.2 | Secondary objectives of the trial |
Frequence of vitamin D3-responsive T-cells and myeloid antigen presenting cells carrying vitamin D3-sensitive surface markers. Immunological parameters (T-cell phenotype and cytokine profile, B-cell-phenotype, activation of monocytes, specific immunoglobulins) Pharmacokinetic Safety Tolerability |
Frequenz von T-Zell und myeloiden antigenpräsentierenden Zellen (APZs), die klassische Vitamin D3-induzierte Oberflächenmarker aufweisen. Immunologische Parameter (T-Zell-Phänotyp und Zytokinprofil, B-Zell-Phänotyp, Monozytenaktivierung, spezifische Immunglobuline) Pharmakokinetik Sicherheit Verträglichkeit |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- written informed consent - men and women aged between 18 - 60 years - 25-hydroxyvitamin D3 serum concentration </= 50 nmol/l
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- schriftliche Einwilligungserklärung - Männer und Frauen im Alter von 18 - 60 Jahren - 25-Hydroxyvitamin D3 Konzentration im Serum </= 50 nmol/l
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E.4 | Principal exclusion criteria |
Main exclusion criteria - 25-hydroxyvitamin D3 serum concentration >50 nmol/l - BMI <18.5 or >30 kg/m² - regular or planned UV exposure - hypersensitivity against ingredients of the study drug - anamnesis: any disease which is a contraindication for the IMP - use of vitamin A or other vitamin D derivates - treatment with any medication which might interfere with the study drug or is an contra indication - pregnancy and lactation |
- 25-Hydroxyvitamin D3 Konzentration im Serum >50 nmol/l - BMI <18,5 oder >30 kg/m² - regelmäßige oder geplante UV-Exposition - Überempfindlichkeit gegen Bestandteile der Studienmedikation - anamnestische Erkrankungen die eine Kontraindikation für das IMP darstellen - Behandlung mit Vitamin A-Derivaten oder anderen Vitamin D-haltigen Präparaten - Behandlung mit Medikamenten, die die Behandlung beeinträtigen könnten oder Kontraindikationen darstellen - Schwangerschaft und Stillzeit
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E.5 End points |
E.5.1 | Primary end point(s) |
Frequency of CD38+ B-cells as pre-post comparison after vitamin D3 injection (i.m. or s.c.). |
Frequenz von CD38+ B-Lymphozyten im vorher-nachher Vergleich bei Vitamin D3-Gabe (i.m. oder s.c.) |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
before as well as 7, 28 and 84 days after study drug application |
vor sowie 7, 28 und 84 Tage nach Applikation der Studienmedikation |
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E.5.2 | Secondary end point(s) |
Frequency of vitamin D3-responsive T-cells and myeloid antigen presenting cells carrying vitamin D3-sensitive surface markers. Immunological parameters (T-cell cytokine profile, activation of monocytes, specific immunoglobulins) Pharmacokinetic Safety Tolerability |
Immunologische Parameter (T-Zell-Zytokinprofil, Monozytenaktivierung, spezifische Immunglobuline) Pharmakokinetik Sicherheit Verträglichkeit |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
before as well as 7, 28 und 84 days after study drug application |
vor sowie 7, 28 und 84 Tage nach Applikation der Studienmedikation |
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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 | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
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 |
immunomodulatory capacity of vitamin D3 |
immunmodulatorische Wirkung von Vitamin D3 |
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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) | 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
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
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 | 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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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 0 |
E.8.9.1 | In the Member State concerned months | 3 |
E.8.9.1 | In the Member State concerned days | 0 |