- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00271973
OXY-2: The Pharmacogenetics of Oxycodone Analgesia in Human Experimental Pain Models
The Pharmacogenetics of Oxycodone Analgesia in Human Experimental Pain Models
Studieoversigt
Detaljeret beskrivelse
Oxycodone is a semi-synthetic opioid with an analgesic effect in the postoperative pain management comparable to morphine. Oxycodone is N-demethylated by CYP2D6 to its active metabolite oxymorphone, a potent μ-receptor agonist. A genetic polymorphism divides a Caucasian population into two groups: 8% with an enzyme lacking activity, poor metabolizers (PM) and the rest with normal CYP2D6 activity, extensive metabolizers (EM).
Many different, single nucleotide polymorphisms (SNPs) are responsible for interindividual differences in the effect of opioids. Among these are the A118G SNP in the μ-receptor gene OPRM1 and the C3435T and G2677T/A SNPs in the MDR-1 gene of P-glycoprotein. P-glycoprotein is responsible for the absorption, excretion and transport of many drugs including opioids over the blood-brain barrier.
Electrical stimulation and cold pressor test are among the most well defined and evaluated human experimental pain models. The 32 volunteers will be submitted to the tests before and 1, 2, 3 and 4 hours after medicine intake.
To determine the plasma levels of Oxycodone and its metabolites blood will be drawn after each pain test. Also the CYP2D6 genotype and the above mentioned SNPs will be determined from the blood samples.
Undersøgelsestype
Tilmelding
Fase
- Fase 4
Kontakter og lokationer
Studiesteder
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Odense C
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Odense, Odense C, Danmark, 5000
- University of Southern Denmark, IST Clinical Pharmacology
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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:
- Healthy volunteer age between 20 and 40 years.
- Healthy according to medical history and physical examination.
- Informed consent given.
- Phenotyped or genotyped as extensive or poor metabolizer of sparteine.
- Female: Use of safe contraception (IUD, gestagen injectiones or oral contraceptive) or negative u-HCG test.
Exclusion Criteria:
- Any known allergy or intolerance to oxycodone.
- Regularly drug therapy or medication (except contraceptives).
- Alcohol or medicine abuse.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Crossover opgave
- Maskning: Dobbelt
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
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Pain threshold and tolerance measured by electrical stimulation and pain intensity measured by cold pressor test.
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Sekundære resultatmål
Resultatmål |
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The above compared to SNPs. Plasma levels of oxycodone and metabolites.
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Samarbejdspartnere og efterforskere
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart
Studieafslutning
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
Andre undersøgelses-id-numre
- EudraCT 2005-004082-42
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Kliniske forsøg med Oxycodon
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Kuopio University HospitalAdmescope LtdAktiv, ikke rekrutterende
-
Poznan University of Medical SciencesAfsluttetForbrændinger
-
Sharon WalshNational Institute on Drug Abuse (NIDA); Merck Sharp & Dohme LLCAfsluttet
-
Mount Carmel Health SystemTrukket tilbagePostoperativ smertekontrolForenede Stater
-
Yong-Hee ParkChung-Ang UniversityAfsluttetBlodtryk | IntubationskomplikationKorea, Republikken
-
Grünenthal GmbHAfsluttet
-
Seoul National University HospitalTrukket tilbageSmerteKorea, Republikken
-
Mundipharma Research GmbH & Co KGAfsluttetKronisk slidgigtSpanien, Belgien, Finland, Tjekkiet, Tyskland, Ungarn
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Egalet LtdAfsluttetModerat til svær kronisk lænderygsmerterForenede Stater
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Seoul National University HospitalAfsluttet