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Long-term Pre-dialysis Extension in Europe and Asia Pacific (DIALOGUE 3)

21. november 2017 opdateret af: Bayer

A Controlled, Parallel Group, Open-label, Multicenter Extension Study to Investigate Efficacy and Safety of Oral BAY85-3934 and Darbepoetin Alfa Comparator in the Long Term Treatment of Anemia in Pre-dialysis Subjects With Chronic Kidney Disease in Europe and Asia Pacific

Anaemia is a condition in which blood has a lower than normal number of red blood cells. It can also occur if red blood cells do not contain enough haemoglobin, an oxygen carrying part of blood. Anaemia is common in patients with chronic kidney disease. Healthy kidneys produce a hormone called erythropoietin, which stimulates the bone marrow to produce the proper number of red blood cells needed to carry oxygen to vital organs. Chronic kidney disease is a general term that means that the kidneys are not functioning to their full potential. The study drug, BAY85-3934, is being evaluated as a drug to increase the body's ability to produce erythropoietin.

The purpose of this extension study is to find out if the study drug, a tablet taken orally, is safe and effective for the treatment of anaemia associated with chronic kidney disease.

The extension study will enroll up to 240 patients at multiple locations in Europe, Asia and Australia. Patients who participated in Studies 15141 or 15261 may be eligible to take part in the extension study. The study consists of the Haemoglobin (Hb) Stabilisation Phase and the Main Phase. The Hb Stabilisation Phase involves up to 10 study visits scheduled over 16 weeks. The Main Phase will last for at least 6 months and up to a maximum of 36 months, with visits every 4 weeks. During these scheduled visits patients will undergo a number of procedures to confirm efficacy and safety of the study drug, including measurement of heart rate and blood pressure, physical examination, Electrocardiogram and blood/urine sample collection for laboratory tests.

The study will be conducted at 5 hospitals in the UK. Bayer HealthCare AG is funding this research. This study will include subjects who either completed the treatment period in their respective Phase 2 parent study (i.e., Study 15141 or Study 15261) or experienced a stopping event in the fixed dose parent study (Study 15141). As Study 15141 is a double-blind study, subjects will be unblinded as per the Study 15141 protocol prior to entry into the extension study.

Studieoversigt

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

166

Fase

  • Fase 2

Kontakter og lokationer

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

Studiesteder

      • Reservoir, Australien, 3073
    • New South Wales
      • Gosford, New South Wales, Australien, 2250
    • Victoria
      • Melbourne, Victoria, Australien, 3052
      • Burgas, Bulgarien, 8000
      • Dobrich, Bulgarien, 9300
      • Gabrovo, Bulgarien, 5300
      • Karlovo, Bulgarien, 4300
      • Lovech, Bulgarien, 5500
      • Montana, Bulgarien, 3400
      • Pazardjik, Bulgarien, 4400
      • Sofia, Bulgarien, 1431
      • Sofia, Bulgarien, 1527
      • Sofia, Bulgarien, 1309
      • Sofia, Bulgarien, 1872
      • Stara Zagora, Bulgarien, 6000
      • Veliko Tarnovo, Bulgarien, 5000
      • Chorley, Det Forenede Kongerige, PR7 7NA
      • Glasgow, Det Forenede Kongerige, G20 OSP
      • Liverpool, Det Forenede Kongerige, L7 8XP
      • Liverpool, Det Forenede Kongerige, L22 0LG
      • London, Det Forenede Kongerige
      • London, Det Forenede Kongerige, SE5 9RS
      • Manchester, Det Forenede Kongerige, M15 6SX
    • Berkshire
      • Reading, Berkshire, Det Forenede Kongerige, RG2 0TG
    • Cambridgeshire
      • Cambridge, Cambridgeshire, Det Forenede Kongerige, CB2 0QQ
    • Dundee City
      • Dundee, Dundee City, Det Forenede Kongerige, DD1 9SY
    • East Sussex
      • Brighton, East Sussex, Det Forenede Kongerige, BN2 5BE
    • Manchester
      • Salford, Manchester, Det Forenede Kongerige, M5 5AP
    • Northumberland
      • Hexham, Northumberland, Det Forenede Kongerige, NE46 1QJ
    • South Yorkshire
      • Doncaster, South Yorkshire, Det Forenede Kongerige, DN2 5LT
    • West Yorkshire
      • Leeds, West Yorkshire, Det Forenede Kongerige, WF3 4PX
      • Brest Cedex, Frankrig, 29609
      • Grenoble Cedex 9, Frankrig, 38043
      • Limoges Cedex1, Frankrig, 87042
      • Pierre Benite Cedex, Frankrig, 69495
      • Valenciennes, Frankrig, 59300
      • Ashkelon, Israel, 7827804
      • Hadera, Israel, 3810101
      • Jerusalem, Israel, 9112001
      • Kfar Saba, Israel, 4428164
      • Nahariya, Israel, 2210001
    • Abruzzo
      • Chieti, Abruzzo, Italien, 66013
    • Campania
      • Napoli, Campania, Italien, 80138
    • Emilia-Romagna
      • Modena, Emilia-Romagna, Italien, 41100
    • Lombardia
      • Brescia, Lombardia, Italien, 25123
      • Cremona, Lombardia, Italien, 26100
      • Lecco, Lombardia, Italien, 23900
      • Milano, Lombardia, Italien, 20132
      • Milano, Lombardia, Italien, 20162
      • Pavia, Lombardia, Italien, 27100
    • Toscana
      • Livorno, Toscana, Italien, 57023
      • Chiba, Japan, 260-8712
      • Fukuoka, Japan, 810-8563
      • Nagano, Japan, 388-8004
      • Nara, Japan, 631-0846
    • Fukuoka
      • Kitakyushu, Fukuoka, Japan, 802-8555
      • Okawa, Fukuoka, Japan, 831-0016
    • Hokkaido
      • Muroran, Hokkaido, Japan, 050-0083
    • Ishikawa
      • Hakusan, Ishikawa, Japan, 924-8588
    • Iwate
      • Morioka, Iwate, Japan, 020-0066
    • Kanagawa
      • Fujisawa, Kanagawa, Japan, 251-8550
      • Kamakura, Kanagawa, Japan, 247-8533
    • Mie
      • Kuwana, Mie, Japan, 511-0061
      • Ankara, Kalkun, 06100
        • Ankara Univ. Medical Faculty
      • Ankara, Kalkun, 06490
        • Baskent University Medical Faculty
      • Izmir, Kalkun, 03540
        • Sifa University Medical Faculty
      • Seoul, Korea, Republikken, 156-755
      • Seoul, Korea, Republikken, 03080
      • Seoul, Korea, Republikken, 156-707
    • Gyeonggido
      • Bucheon-si, Gyeonggido, Korea, Republikken, 420-767
      • Bialystok, Polen, 15-540
      • Poznan, Polen, 61-858
      • Radom, Polen, 26-610
      • Szczecin, Polen, 70-111
      • Zyrardow, Polen, 96-300
      • Brasov, Rumænien, 500152
      • Bucharest, Rumænien, 010731
      • Bucharest, Rumænien, 020475
      • Bucharest, Rumænien, 050098
      • Constanta, Rumænien, 900591
      • Oradea, Rumænien, 410469
      • Targu-Mures, Rumænien, 540103
      • Alicante, Spanien, 03010
      • Barcelona, Spanien, 08036
      • Barcelona, Spanien, 08035
      • Córdoba, Spanien, 14004
      • Madrid, Spanien, 28041
      • Madrid, Spanien, 28007
    • A Coruña
      • Santiago de Compostela, A Coruña, Spanien, 15706
    • Barcelona
      • L'Hospitalet de Llobregat, Barcelona, Spanien, 08907
    • Madrid
      • San Sebastián de los Reyes, Madrid, Spanien, 28702
      • Berlin, Tyskland, 12053
      • Wuppertal, Tyskland, 42283
    • Baden-Württemberg
      • Pirmasens, Baden-Württemberg, Tyskland, 66953
      • Villingen-Schwenningen, Baden-Württemberg, Tyskland, 78052
    • Nordrhein-Westfalen
      • Bonn, Nordrhein-Westfalen, Tyskland, 53127
      • Düsseldorf, Nordrhein-Westfalen, Tyskland, 40210
    • Sachsen-Anhalt
      • Halle (Saale), Sachsen-Anhalt, Tyskland, 06097
      • Baja, Ungarn, 6500
      • Budapest, Ungarn, 1036
      • Debrecen, Ungarn, 4032
      • Esztergom, Ungarn, 2500
      • Kaposvar, Ungarn, 7400
      • Pecs, Ungarn, 7624
      • Szigetvar, Ungarn, 7900

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 og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Men who agree to use adequate contraception when sexually active or women without childbearing potential
  • Not on dialysis at study entry
  • Serum ferritin levels ≥ 100 μg/L and < 1000 μg/L or transferrin saturation ≥ 20%
  • Inclusion criteria for inclusion into the Hb Stabilization (HbS) Phase: Requires Hb stabilization (at 10.0 to 12..0g/dL for a minimum of 4 weeks) as follows: Received BAY 85-3934 and reached a stopping event in Study 15141 or received placebo and reached a stopping event in Study 15141 or completed 16 weeks of treatment with BAY 85-3934 in Study 15141or 15261 but had mean Hb during the evaluation period outside the target range of 10.0 to 12.0 g/dL, or Completed 16 weeks of treatment with placebo in Study 15141 and was re-assessed at 4 weeks after end of study as eligible for Study 15653 (this study)
  • Inclusion criteria for inclusion into the Main Phase: Mean Hb concentration of 10.0 to 12.0 g/dL who completed 16 weeks of treatment (BAY85-3934 arm) in Study 15141, or completed 16 weeks of treatment (BAY-3934 or darbepoetin arm)in study 15261 without a dose suspension lasting > 6 consecutive weeks, or mean Hb concentration of 10.0 to 12.0g/dL during the HbS phase of Study 15653 for a minimum of 4 weeks after visit 3.

Exclusion Criteria:

  • A scheduled kidney transplant or any other organ transplant within the next 6 months (being on a waiting list does not exclude the subject)
  • Red blood cell (RBC) containing transfusion within the 8 weeks before baseline
  • Phosphodiesterase type 5 (PDE5) inhibitor (e.g., sildenafil, vardenafil, tadalafil) or nitrates
  • Sustained, poorly controlled arterial hypertension or hypotension at baseline, defined as blood pressure ≥ 180/110 mmHg or systolic blood pressure < 95 mmHg, respectively
  • Severe rhythm or conduction disorders (e.g., heart rate [HR] < 50 or > 110 bpm, atrial flutter, prolonged QT > 500 msec, second or third degree atrioventricular [AV] block), if not reacted with a pace marker)
  • New York Heart Association Class III or IV congestive heart failure
  • Severe hepatic insufficiency (defined as alanine aminotransferase [ALT], aspartate aminotransferase [AST]>3x the upper limit of normal [ULN], total bilirubin > 2 mg/dL, or Child Pugh B or C) or active hepatitis, in the investigator's opinion
  • An ongoing serious adverse event (SAE) from Study 15141 or Study 15261 that is assessed as related to study drug

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: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: BAY85-3934
BAY85-3934 will be titrated at the scheduled dose control visits to maintain the Hb in the target range of 10.0 to 12.0 g/dL. Available doses include 15, 25, 50, 75, 100, and 150 mg/day OD. Treatment will be for minimum of 6 months to up to a maximum of 36 months.
Aktiv komparator: Darbepoetin
Darbepoetin will be administered according to the local label and titrated at the scheduled dose by intravenous injection. Treatment will be for a minimum of 6 months to up to a maximum of 36 months.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Ændring i lokalt laboratoriehæmoglobinniveau fra baseline
Tidsramme: Baseline op til 36 måneder
Baseline op til 36 måneder
Number of participants with serious adverse events (SAEs) and adjucated adverse events as a measure of safety and tolerability
Tidsramme: Up to 36 months
Up to 36 months
Number of participants with liver function-related AEs including abnormal liver function tests and any hospitalization
Tidsramme: Up to 36 months
Up to 36 months

Sekundære resultatmål

Resultatmål
Tidsramme
Varighed af behandlingseksponering
Tidsramme: Op til 36 måneder
Op til 36 måneder
Antal forsøgspersoner, der kræver titrering af dosis
Tidsramme: Op til 36 måneder
Op til 36 måneder
Ændring af retikulocyttal fra denne undersøgelses baseline
Tidsramme: Baseline op til 36 måneder
Baseline op til 36 måneder
Ændring af antallet af røde blodlegemer fra denne undersøgelses baseline
Tidsramme: Baseline op til 36 måneder
Baseline op til 36 måneder
Ændring af hæmatokrit fra denne undersøgelses baseline
Tidsramme: Baseline op til 36 måneder
Baseline op til 36 måneder
Ændring af det centrale laboratoriehæmoglobinniveau fra denne undersøgelses baseline
Tidsramme: Baseline op til 36 måneder
Baseline op til 36 måneder
Time within hemoglobin target range (10.0 to 12.0 g/dL)
Tidsramme: Up to 36 months
Up to 36 months
Responders in Hb levels
Tidsramme: Up to 36 months
Up to 36 months
Number of subjects meeting specific Hb criteria
Tidsramme: Baseline up to 36 months
Baseline up to 36 months
Number of subjects with Hb values >13 g/dL or having excessive Hb increase
Tidsramme: Baseline up to 36 months
Baseline up to 36 months
Number of participants with non-serious adverse events
Tidsramme: Up to 36 months
Up to 36 months
Change in heart rate (HR)
Tidsramme: Up to 36 months
Up to 36 months
Change in blood pressure (BP)
Tidsramme: Up to 36 months
Up to 36 months
Laboratory abnormalities
Tidsramme: Up to 36 months
Up to 36 months

Andre resultatmål

Resultatmål
Tidsramme
Change of reticulocyte count from baseline of study 15141 or 15261
Tidsramme: Baseline up to 36 months
Baseline up to 36 months
Change of red blood cell count from baseline of study 15141 or 15261
Tidsramme: Baseline up to 36 months
Baseline up to 36 months
Change of hematocrit from baseline of study 15141 or 15261
Tidsramme: Baseline up to 36 months
Baseline up to 36 months
Change of central laboratory hemoglobin level from baseline of study 15141 or 15261
Tidsramme: Baseline up to 36 months
Baseline up to 36 months

Samarbejdspartnere og efterforskere

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

Sponsor

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

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 (Faktiske)

24. juni 2014

Primær færdiggørelse (Faktiske)

15. november 2016

Studieafslutning (Faktiske)

12. december 2016

Datoer for studieregistrering

Først indsendt

4. februar 2014

Først indsendt, der opfyldte QC-kriterier

4. februar 2014

Først opslået (Skøn)

5. februar 2014

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

22. november 2017

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

21. november 2017

Sidst verificeret

1. november 2017

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Andre undersøgelses-id-numre

  • 15653
  • 2013-001190-24 (EudraCT nummer)

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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 .

Kliniske forsøg med Nyreinsufficiens, kronisk

Kliniske forsøg med Molidustat (BAY85-3934)

3
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