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Lofexidine Pharmacokinetics in the Presence of Paroxetine in Healthy Volunteers

22. februar 2018 opdateret af: USWM, LLC (dba US WorldMeds)

Lofexidine Pharmacokinetics in the Presence of Paroxetine, a Strong CYP2D6 Inhibitor, in Healthy Volunteers

The purpose of this study is to determine the pharmacokinetics, safety and tolerability of lofexidine HCl in the presence of paroxetine in healthy adults.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This is a Phase 1, open-label, single-sequence study to determine the pharmacokinetics, safety and tolerability of lofexidine HCl in the presence of paroxetine in healthy adults. Lofexidine HCl is an alpha-2 adrenergic agonist under development for the treatment of acute withdrawal from short-acting opioids. Paroxetine HCl is an orally administered psychotropic drug indicated in the treatment of major depressive, obsessive compulsive, panic, social anxiety, and generalized anxiety disorders. Paroxetine is a strong CYP2D6 inhibitor.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

24

Fase

  • Fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Forenede Stater
    • Texas
      • San Antonio, Texas, Forenede Stater, 78217
        • Worldwide Clinical Trials

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 60 år (Voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Subject is between ages of 18 to 60 years at enrollment with a body mass index (BMI) between 18 and 35 kg/m2.
  • Female subjects must not be lactating, and must either a) be postmenopausal or b) agree to use an acceptable form of birth control from screening until 14 days after completion of the study.
  • Subject is in good health based on medical history, physical exam, laboratory profile, and electrocardiogram (ECG) as judged by the Investigator.
  • If subject smokes, subject agrees to limit smoking while in the study to not more than 10 cigarettes per day.

Exclusion Criteria:

  • History of suicidal ideations or depression requiring professional intervention including counseling or antidepressant medication over the past 12 months.
  • History or presence of allergic or adverse response to lofexidine, paroxetine, or related drugs.
  • Received any drugs capable of inhibiting CYP enzymes CYP1A2, CYP2C19, or CYP2D6 within 14 days or 5 half-lives (whichever is more) before Day 1.
  • Consumes more than 7 drinks/week for women or 14 drinks/week for men (1 drink = 5 ounces of wine or 12 ounces of beer or 1.5 ounces of hard liquor) or has a significant history of alcohol abuse or drug/chemical abuse within the last 1 year.
  • Has a history of glucose-6-phosphate dehydrogenase (G6PD) deficiency.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Lofexidine and paroxetine
Lofexidine in the presence of paroxetine
Medicin: Lofexidine
All subjects will receive two single doses of lofexidine HCl; one 0.4 mg dose taken alone on Day 1 and one 0.4 mg dose taken with 40 mg once daily paroxetine HCl at steady-state on Day 13.
Medicin: Paroxetine
All subjects will receive daily single doses of paroxetine HCl; one 20 mg dose taken Days 4-6, one 40 mg dose taken Days 7-19, one 20 mg dose taken Day 20, one 10 mg dose taken Days 21-22.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Maximum Plasma Concentration (Cmax)
Tidsramme: 0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
Time to Maximum Plasma Concentration (Tmax)
Tidsramme: 0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
Apparent Terminal Elimination Half-life (T½)
Tidsramme: 0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
Area Under the Concentration-Time Curve from Time Zero to Last Quantified Concentration (AUC 0-t)
Tidsramme: 0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
Area Under the Curve from Time Zero to Infinity (AUC 0-infinity)
Tidsramme: 0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
Apparent Clearance (CL/F)
Tidsramme: 0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.
0 hour (predose) and 0.25, 0.5, 1, 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48 and 72 hours after lofexidine Dose 1; 0 hour (predose) and 0.25, 0.5, 1 , 2, 3, 4, 5, 6.5, 8, 12, 16, 24, 32, 48, 72, 96, 120, 144 and 168 hours after lofexidine Dose 2.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Blood pressure (sitting and standing)
Tidsramme: screening; predose and 3.5 and 7.5 hours postdose on Days 1, 13; Day 22.
screening; predose and 3.5 and 7.5 hours postdose on Days 1, 13; Day 22.
Heart rate (sitting and standing)
Tidsramme: screening; predose and 3.5 and 7.5 hours postdose on Days 1 and 13; Day 22.
screening; predose and 3.5 and 7.5 hours postdose on Days 1 and 13; Day 22.
Laboratory Assessments
Tidsramme: screening; Day -1, 2, 12, 14; Day 22.
Measurements in hematology, blood chemistry, coagulation, and urinalysis parameters will be examined. Labs will be done at screening, and at Days -1, 2,12,14, 22.
screening; Day -1, 2, 12, 14; Day 22.
12-lead ECGs
Tidsramme: screening; 0 and 6.5 hours postdose on Days 1, 12, 13; Day 22.
screening; 0 and 6.5 hours postdose on Days 1, 12, 13; Day 22.
Holter ECGs
Tidsramme: 0 (predose), and 3, 4 and 8 hours postdose on Days 1, 12, 13
0 (predose), and 3, 4 and 8 hours postdose on Days 1, 12, 13
Columbia Suicide Severity Rating Scale (C-SSRS)
Tidsramme: screening; Days 7, 13, 22, 50.
screening; Days 7, 13, 22, 50.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

USWM, LLC (dba US WorldMeds)

Samarbejdspartnere

National Institute on Drug Abuse (NIDA)

Efterforskere

  • Ledende efterforsker: George J Atiee, MD, Worldwide Clinical Trials

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. januar 2016

Primær færdiggørelse (Faktiske)

1. marts 2016

Studieafslutning (Faktiske)

1. marts 2016

Datoer for studieregistrering

Først indsendt

1. februar 2016

Først indsendt, der opfyldte QC-kriterier

9. februar 2016

Først opslået (Skøn)

12. februar 2016

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

23. februar 2018

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

22. februar 2018

Sidst verificeret

1. februar 2018

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • USWM-LX1-1010
  • U01DA033276 (U.S. NIH-bevilling/kontrakt)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

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