Gout Dose Response Study
5 februari 2014 bijgewerkt door: Ardea Biosciences, Inc.
Randomized, Double-Blind, Multicenter, Placebo-Controlled, Safety and Efficacy Study of RDEA594 Versus Placebo in the Treatment of Hyperuricemia in Patients With Gout
To compare the proportion of subjects whose serum urate (sUA) level is < 6.0 mg/dL after 28 days of dosing by treatment group.
Studie Overzicht
Toestand
Voltooid
Conditie
Interventie / Behandeling
Studietype
Ingrijpend
Inschrijving (Werkelijk)
123
Fase
- Fase 2
Contacten en locaties
In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.
Studie Locaties
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Pleven, Bulgarije, 5800
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Plovdiv, Bulgarije, 4002
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Plovidv, Bulgarije, 4002
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Sofia, Bulgarije, 1233
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Sofia, Bulgarije, 1709
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Varna, Bulgarije, 9010
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British Columbia
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Coquitlam, British Columbia, Canada, V3K 3P4
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Kelowna, British Columbia, Canada, V1Y8E7
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Ontario
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Thornhill, Ontario, Canada, L4J6W6
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Toronto, Ontario, Canada, M9W 4L6
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Quebec
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Mirabel, Quebec, Canada, J7J 2K8
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Goch, Duitsland, 47574
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Hamburg, Duitsland, 22143
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Nuremberg, Duitsland, 90402
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Tbilisi, Georgië, 0186
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Tbilisi, Georgië, 0102
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Elblag, Polen, 82-300
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Lodz, Polen, 90-153
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Lublin, Polen, 20-607
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Poznan, Polen, 61-289
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Radom, Polen, 26-610
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Wroclaw, Polen, 53-025
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Bruntal, Tsjechische Republiek, 792 01
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Prague, Tsjechische Republiek, 140 00
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Prague, Tsjechische Republiek, 148 00
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California
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Los Angeles, California, Verenigde Staten, 90017
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Florida
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DeLand, Florida, Verenigde Staten, 32720
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North Carolina
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Winston-Salem, North Carolina, Verenigde Staten, 27103
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Tennessee
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Jackson, Tennessee, Verenigde Staten, 38305
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Deelname Criteria
Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
18 jaar tot 75 jaar (Volwassen, Oudere volwassene)
Accepteert gezonde vrijwilligers
Nee
Geslachten die in aanmerking komen voor studie
Allemaal
Beschrijving
Inclusion Criteria:
- Male or post-menopausal or surgically sterile female.
- 18 - 75 years of age.
- Hyperuricemic (i.e., screening sUA ≥8 mg/dL).
- Meets criteria for the diagnosis of gout as per the American Rheumatism Association (ARA) Criteria for the Classification of Acute Arthritis of Primary Gout.
- Willing and able to give informed consent and adhere to visit/protocol schedules (informed consent must be given before the first study procedure is performed).
- Subjects entering the optional Extension Period must have successfully completed the Double-Blind Treatment Period and Follow-up Period within approximately 4 months and must not have experienced any serious adverse events considered possibly related to study drug.
Exclusion Criteria:
- Classified as an overproducer of urine urate (Cur > 6.0 ml/min/1.73 m2 24- hour urine).
- Consumes more than 14 drinks of alcohol per week (e.g., 1 drink = 5 oz [150 ml] of wine, 12 oz [360 ml] of beer, or 1.5 oz [45 ml] of hard liquor).
- History or suspicion of drug abuse.
- Documented history of or suspicion of kidney stones.
- History of rheumatoid arthritis or other autoimmune disease.
- Confirmed (positive serology to HIV1 and HIV 2) or suspected HIV infection.
- Positive serology to HCV antibodies (Abs), and/or hepatitis B surface antigen (HBsAg).
- History of malignancy, except treated non-melanomatous skin cancer or cervical dysplasia.
- History of cardiac abnormalities, including abnormal and clinically relevant ECG changes such as bradycardia (sinus rate <45 bpm), complete left bundle branch block (LBBB), second or third degree heart block, intraventricular conduction delay with QRS duration >120 msec, symptomatic or asymptomatic arrhythmias with the exception of sinus arrhythmia, evidence of ventricular pre-excitation, frequent palpitations or syncopal episodes, heart failure, hypokalemia, family history of Long QT Syndrome, and/or family history of sudden death in an otherwise healthy individual between the ages of 1 and 30 years.
- Any condition predisposing them to QT prolongation including pathological Q-wave (defined as Q-wave >40 msec or depth > 0.4-0.5 mV).
- Any use of a concomitant medication that prolong the QT/QTc interval within the 14 days prior to Baseline (Day 0)
- QT interval corrected for heart rate according to Fridericia (QTcF) > 450 msec at Screening or pre-dose at Baseline (Day 0)
- Uncontrolled hypertension (above 150/95)
- Inadequate renal function
- Hemoglobin < 10 g/dL (males) or < 9 g/dL (females)
- Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) > 2.5 x upper limit of normal (ULN)
- Gamma glutamyl transferase (GGT) > 3 x ULN
- Active peptic ulcer disease requiring treatment
- History of xanthinuria, active liver disease, or hepatic dysfunction.
- Requires therapy with any other urate-lowering medication, other than the study medication.
- Requires long-term use of salicylates; diuretics; azathioprine; mercaptopurine; theophylline; intravenous colchicine; cyclosporine; cyclophosphamide; pyrazinamide; sulfamethoxazole; or trimethoprim
- Taking medications known as enzyme inducers
- Receiving a strong or moderate inhibitor of CYP3A4 or a P-gp inhibitor within 1 month prior to study drug dosing
- Gout flare at screening that is resolved for less than one week prior to the first treatment with study medication (exclusive of chronic synovitis/ arthritis)
- Female of childbearing potential
- Received an investigational medication within 4 weeks prior to study medication administration
- Previously participated in a clinical study involving RDEA806 or RDEA594.
- Known hypersensitivity or allergy to RDEA594 or colchicine or any components in their formulations.
- Body mass index (BMI) >40 kg/m2.
- Taking greater than 1000 mg/day of Vitamin C.
- Any other medical or psychological condition, which in the opinion of the Investigator and/or Medical Monitor, might create undue risk to the subject or interfere with the subject's ability to comply with the protocol requirements, or to complete the study.
- Inadequate renal function after completing the Double-Blind Treatment period prior to entering Extension Period.
- Requiring treatment with prohibited medications noted in exclusion criteria numbers 20-23 after completing the Double-Blind Treatment Period prior to entering the Extension Period.
- Clinically relevant medical event as determined by the investigator in consultation with medical monitor prior to entering the Extension Period.
Studie plan
Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Verviervoudigen
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Experimenteel: RDEA594 200 mg qd for 28 days
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Uricosuric agent for the treatment of gout
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Experimenteel: RDEA594 200 mg, 400 mg
RDEA594 200 mg qd for 7 days followed by 400 mg qd for 21 days
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Uricosuric agent for the treatment of gout
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Experimenteel: RDEA594 200 mg, 400 mg and 600 mg
RDEA594 200 mg qd for 7 days followed by 400 mg qd for 7 days followed by 600 mg qd for 14 days
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Uricosuric agent for the treatment of gout
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Placebo-vergelijker: Matching placebo
RDEA594 matching placebo qd for 28 days
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Bijpassende placebo
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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To compare the proportion of subjects whose serum urate (sUA) level is < 6.0 mg/dL after 28 days of dosing by treatment group.
Tijdsspanne: 28 Days
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28 Days
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Secundaire uitkomstmaten
Uitkomstmaat |
Tijdsspanne |
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To evaluate the proportion of subjects whose sUA levels are <6.0 mg/dL, <5.0 mg/dL and <4.0 mg/dL at each weekly study visit during the Double-Blind Period.
Tijdsspanne: 28 Days
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28 Days
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To evaluate the absolute and percent reduction from baseline in sUA levels at each weekly study visit.
Tijdsspanne: 28 Days and through extension
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28 Days and through extension
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To evaluate the percentage change in 24-hour urine urate level (excretion) from baseline to Day 28.
Tijdsspanne: 28 Days and through extension
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28 Days and through extension
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To evaluate the incidence of gout flares.
Tijdsspanne: 28 Days and through extension
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28 Days and through extension
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To evaluate the safety and tolerability of RDEA594 in subjects with gout.
Tijdsspanne: 28 Days and through extension
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28 Days and through extension
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To evaluate the proportion of subjects whose sUA level decreases to or is maintained at <6.0 mg/dL in the Open-Label Extension Period.
Tijdsspanne: 18 Months
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18 Months
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Medewerkers en onderzoekers
Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.
Sponsor
Onderzoekers
- Studie directeur: Vijay Hingorani, MD, PhD, MBA, Ardea Biosciences, Inc.
Studie record data
Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.
Bestudeer belangrijke data
Studie start
1 juli 2009
Primaire voltooiing (Werkelijk)
1 maart 2010
Studie voltooiing (Werkelijk)
1 september 2011
Studieregistratiedata
Eerst ingediend
7 augustus 2009
Eerst ingediend dat voldeed aan de QC-criteria
7 augustus 2009
Eerst geplaatst (Schatting)
10 augustus 2009
Updates van studierecords
Laatste update geplaatst (Schatting)
7 maart 2014
Laatste update ingediend die voldeed aan QC-criteria
5 februari 2014
Laatst geverifieerd
1 februari 2014
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- RDEA594-202
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .