E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
brain metabolism |
Gehirn Metabolite |
|
E.1.1.1 | Medical condition in easily understood language |
brain metabolism |
Gehirn Metabolite |
|
E.1.1.2 | Therapeutic area | Body processes [G] - Metabolic Phenomena [G03] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10033316 |
E.1.2 | Term | Oxygen saturation |
E.1.2 | System Organ Class | 10022891 - Investigations |
|
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 investigate the effect of breathing 100% oxygen on brain metabolites measured by 7-Tesla MR spectroscopy (MRS) |
Einfluss von 100% Sauerstoffatmung auf Metabolite des Gehirns, die mittels 7-Tesla MRT gemessen werden |
|
E.2.2 | Secondary objectives of the trial |
High energy phosphates Metabolites: glutamine, glutamate, GABA, tCr, NAA and choline |
Hochenergetische Phosphate Metabolite: Glutamin, Glutamat, GABA, tCr, NAA und Cholin |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Inclusion criteria:
- Men and women aged between 18 and 35 years - Non-smokers - Normal findings in the medical history and physical examination unless the investigator considers an abnormality to be clinically irrelevant - Normal laboratory values unless the investigator considers an abnormality to be clinically irrelevant |
Einschlusskriterien: - Männer und Frauen zwischen 18 und 35 Jahren - Nichtraucher - Unauffällige Anamnese, außer der Untersucher erachtet eine Abweichung als nicht relevant - Normale Laborwerte ausser der Untersucher erachtet eine Abweichung als nicht relevant.
|
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E.4 | Principal exclusion criteria |
Exclusion criteria
Any of the following will exclude a subject from the study:
- Symptoms of a clinically relevant illness in the 3 weeks before the first study day - Presence or history of a severe medical condition as judged by the clinical investigator - Presence or history of arterial hypertension - Regular use of medication, abuse of alcoholic beverages, participation in a clinical trial in the 3 weeks preceding the study (except oral contraceptive) - Blood donation during the previous three weeks - Abnormalities in the 12-lead electrocardiogram |
Ausschlusskriterien: - Symptome einer klinisch relevanten Erkrankung in den letzten 3 Wochen vor dem Studientag - Vorgeschichte oder Vorhandensein einer schweren Erkrankung - Vorgeschichte oder Vorhandensein von arterieller Hypertension - Regelmäßige Einnahme von Medikamenten (ausser Kontrazeptiva) - Alkoholmissbrauch - Teilnahme an einer klinischen Studie innerhalb der letzten 3 Wochen vor der Studie - Blutspenden bis zu drei Wochen vor dem Studientag - Veränderungen im EKG - Vorliegen einer Schwangerschaft - Metallische Fremdkörper im oder am Körper die nicht entfernt werden können - Platzangst |
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E.5 End points |
E.5.1 | Primary end point(s) |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
on study day |
am Studientag |
|
E.5.2 | Secondary end point(s) |
Tolerability |
Tolerabilität |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
on study day |
am Studientag |
|
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 | No |
E.6.5 | Efficacy | Yes |
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 | 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) | 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
| 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 | 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
|
The study may be prematurely terminated if SAEs or other significant side effects occurs. If the subject wants to prematurely terminate the study by any reason. |
Beim Auftreten von SAEs oder signifikanten Nebenwirkungen im Zusammenhang mit der Studienmedikation wird die Studie vorzeitig beendet. Wenn der Studienteilnehmer die Studie vorzeitig, aus welchen Gründen auch immer, beenden will |
|
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 | 0 |
E.8.9.1 | In the Member State concerned days | 0 |