- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT01714427
Validation of a Lung Inflammation Model in Healthy Volunteers by Radiological Tools and Glucocorticoid Treatment
The purpose of this study is to investigate the local and systemic inflammatory response and haemostatic alterations in the lungs after lipopolysaccharide (LPS) instillation and to determine the feasibility of imaging techniques to quantify lung inflammation in an adapted human endotoxin instillation model.
The investigators will also explore whether glucocorticoid treatment can blunt LPS effects.
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Faktiske)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
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Vienna, Østrig, 1090
- Department of Clinical Pharmacology, Medical University of Vienna
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Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Signed informed consent obtained before any trial-related activities. (Trial activities are any procedure that would not have been performed during normal management of the subject).
- Nonsmoker
- Normal findings in 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
- If female and of childbearing potential and subjects agrees to employ adequate birth control measures (e. g. oral contraceptives, barrier method)
- Negative urine pregnancy test
Exclusion Criteria:
- Known or suspected allergy to trial product or related products
- Pregnancy or Lactation
- Treatment with an investigational drug within three weeks prior to this trial
- Participation in an LPS trial within the last 6 weeks
- Smoking
- History of relevant cardiac arrhythmia
- Preexisting open or closed angle glaucoma
- History of Osteoporosis, Cushing´s syndrome, gastro-duodenal ulcera, cardiovascular disease, vasculitis, diabetes mellitus, hypertension, brain tumor or history of neurosurgery
- Systemic tuberculosis
- Hemorrhagic diathesis
- Relevant liver or kidney dysfunction
- Regular use of medication or abuse of alcohol unless considered clinically relevant
- Use of any medication within one week prior to the first trial day
- Symptoms of a clinically relevant illness in the 3 weeks before the first trial day
- Excessive sporting activities
- Rosacea
- Subjects on Monoamine oxidase inhibitors (should be stopped for at least two to three weeks before dihydrocodeine treatment is initiate)
- Known acute or active hepatic disease within the past 3 months
- A platelet count < 100,000 x 106/L, prothrombin time > 1.5, liver enzymes> 3 times the upper normal limit
- Having received a vaccination up to 8 weeks before the trial
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Grundvidenskab
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Dobbelt
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
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Aktiv komparator: Dexamethason
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Two doses of 40mg dexamethasone (in 100 ml physiologic saline solution, respectively) will be administered intravenously prior to LPS instillation.
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Placebo komparator: Sterile isotonic saline
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two doses of 100 ml physiologic saline solution will be administered intravenously prior to LPS instillation.
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
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The effects of LPS instillation on a putative microvascular leak formation in a lung subsegment by radiologic imaging (magnetic resonance imaging, computed tomography) will be quantified.
Tidsramme: 6/24 hours after LPS Instillation
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6/24 hours after LPS Instillation
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Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: Bernd Jilma, MD, Department of Clinical Pharmacology, Medical University of Vienna, Waehringerguertel 18-20, A-1090 Vienna, Austria
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
- Patologiske processer
- Infektioner
- Luftvejsinfektioner
- Luftvejssygdomme
- Lungesygdomme
- Betændelse
- Lungebetændelse
- Lægemidlers fysiologiske virkninger
- Autonome agenter
- Agenter fra det perifere nervesystem
- Anti-inflammatoriske midler
- Antineoplastiske midler
- Antiemetika
- Gastrointestinale midler
- Glukokortikoider
- Hormoner
- Hormoner, hormonsubstitutter og hormonantagonister
- Antineoplastiske midler, hormonelle
- Dexamethason
Andre undersøgelses-id-numre
- DEXA - LIM
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .
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