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- Essai clinique NCT01235936
Safety and Efficacy Study for AKB-6548 in Participants With Chronic Kidney Disease and Anemia
7 juin 2022 mis à jour par: Akebia Therapeutics
Phase 2a Open-Label Pilot Study to Assess the Pharmacodynamic Response, Pharmacokinetics, Safety, and Tolerability of 28-Day Repeat Oral Doses of AKB-6548 in Subjects With Anemia Secondary to Chronic Kidney Disease (CKD), Stages 3 and/or 4
The purpose of this study is to evaluate the safety, pharmacodynamics and pharmacokinetics of repeat doses of orally administered AKB-6548 in pre-dialysis participants with anemia.
Aperçu de l'étude
Statut
Complété
Les conditions
Intervention / Traitement
Type d'étude
Interventionnel
Inscription (Réel)
10
Phase
- Phase 2
Contacts et emplacements
Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.
Lieux d'étude
-
-
Georgia
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Augusta, Georgia, États-Unis
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-
Texas
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San Antonio, Texas, États-Unis
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-
Critères de participation
Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.
Critère d'éligibilité
Âges éligibles pour étudier
18 ans à 79 ans (Adulte, Adulte plus âgé)
Accepte les volontaires sains
Non
Sexes éligibles pour l'étude
Tout
La description
Key Inclusion Criteria:
- 18 to 79 years of age, inclusive
- Chronic Kidney Disease Stage 3 or Stage 4
- Hemoglobin (Hgb) < 10.5 g/dl
- TSAT > 20% and CBC indicating normocytic red blood cell morphology
Key Exclusion Criteria:
- BMI > 40
- Red blood cell transfusion within 12 weeks.
- Androgen therapy within the previous 21 days prior to study dosing
- Therapy with any approved or experimental erythropoiesis stimulating agent (ESA) within the 10 weeks prior to the Screening visit
- Participants meeting the criteria of ESA resistance within the previous 4 months
- Individual doses of intravenous iron of 250 mg or larger within the past 21 days
- AST or ALT >1.8x ULN.
- Alkaline phosphatase >2x ULN.
- Total bilirubin >1.5x ULN.
- Uncontrolled hypertension
- New York Heart Association Class III or IV congestive heart failure
- Myocardial infarction, acute coronary syndrome, or stroke within 6 months prior to dosing
Plan d'étude
Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.
Comment l'étude est-elle conçue ?
Détails de conception
- Objectif principal: Traitement
- Répartition: N / A
- Modèle interventionnel: Affectation à un seul groupe
- Masquage: Aucun (étiquette ouverte)
Armes et Interventions
Groupe de participants / Bras |
Intervention / Traitement |
---|---|
Expérimental: AKB-6548
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Different dose levels
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Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Mean Change From Baseline in Hemoglobin (Hgb) on Day 29
Délai: Baseline; Day 29
|
Blood samples were collected to assess Hgb.
Baseline Hgb was defined as the average of the 2 samples obtained prior to dosing (Pre-Baseline and Baseline).
A positive change from baseline indicates that hemoglobin concentration increased.
|
Baseline; Day 29
|
Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Mean Change From Baseline in Hematocrit on Day 29
Délai: Baseline; Day 29
|
Blood samples were collected to assess hematocrit.
A positive change from baseline indicates hematocrit concentration increased.
|
Baseline; Day 29
|
Mean Change From Baseline in Total Red Blood Cell (RBC) Count on Day 29
Délai: Baseline; Day 29
|
Blood samples were collected to assess RBC count.
Baseline RBC count was defined as the average of the 2 samples obtained prior to dosing (Pre-Baseline and Baseline).
A positive change from baseline indicates RBC count increased.
|
Baseline; Day 29
|
Mean Change From Baseline in Absolute Reticulocyte Count on Day 29
Délai: Baseline; Day 29
|
Blood samples were collected to assess reticulocyte count.
Baseline absolute reticulocyte count was defined as the average of the 3 reticulocyte counts obtained prior to dosing (Screening, Pre- Baseline, and Baseline).
A positive change from baseline indicates absolute reticulocyte count increased.
|
Baseline; Day 29
|
Mean Change From Baseline in Reticulocyte Hemoglobin (Hgb) Content on Day 29
Délai: Baseline; Day 29
|
Blood samples were collected to assess reticulocyte Hgb.
Baseline Hgb was defined as the average of the 2 samples obtained prior to dosing (Pre-Baseline and Baseline).
A positive change from baseline indicates reticulocyte Hgb content increased.
|
Baseline; Day 29
|
Number of Participants With Absolute Change From Baseline in Hemoglobin (Hgb) at Day 29
Délai: Day 29
|
Blood samples were collected to assess Hgb.
Baseline Hgb was defined as the average of the 2 samples obtained prior to dosing (Pre-Baseline and Baseline).
|
Day 29
|
Number of Participants With the Percentage Change From Baseline in Hemoglobin (Hgb) at Day 29
Délai: Day 29
|
Blood samples were collected to assess Hgb.
Baseline Hgb was defined as the average of the 2 samples obtained prior to dosing (Pre-Baseline and Baseline).
|
Day 29
|
Number of Participants With Percentage Change From Baseline in Hematocrit at Day 29
Délai: Day 29
|
Blood samples were collected to assess hematocrit.
|
Day 29
|
Number of Participants With Percentage Change From Baseline in Red Blood Cell (RBC) Count at Day 29
Délai: Day 29
|
Blood samples were collected to assess RBC count.
Baseline RBC count was defined as the average of the 2 samples obtained prior to dosing (Pre-Baseline and Baseline).
|
Day 29
|
Number of Participants With Change From Baseline in Absolute Reticulocyte Count at Day 29
Délai: Day 29
|
Blood samples were collected to assess reticulocyte count.
Baseline absolute reticulocyte count was defined as the average of the 3 reticulocyte counts obtained prior to dosing (Screening, Pre- Baseline, and Baseline).
|
Day 29
|
Change From Baseline in Ferritin on Day 29
Délai: Baseline; Day 29
|
Blood samples were collected to assess ferritin.
A positive change from baseline indicates ferritin content increased.
|
Baseline; Day 29
|
Change From Baseline in Iron on Day 29
Délai: Baseline; Day 29
|
Blood samples were collected to assess iron.
A positive change from baseline indicates iron content increased.
|
Baseline; Day 29
|
Change From Baseline in Total Iron Binding Capacity on Day 29
Délai: Baseline; Day 29
|
Blood samples were collected to assess total iron binding capacity.
A positive change from baseline indicates total iron binding capacity increased.
|
Baseline; Day 29
|
Change From Baseline in Transferrin Saturation on Day 29
Délai: Baseline; Day 29
|
Blood samples were collected to assess transferrin saturation.
The transferrin saturation is the ratio of the serum iron concentration and the total iron-binding capacity, expressed as a percentage.
A positive change from baseline indicates transferrin saturation increased.
|
Baseline; Day 29
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Number of Participants With Treatment-emergent Adverse Events (TEAEs)
Délai: Up to 2 weeks post 28 days of treatment
|
An Adverse Event (AE) was defined as any untoward medical occurrence, signs, symptoms, disease, or laboratory or physiological observations occurring in a participant administered with drug, regardless of a causal relationship with that treatment or usage.
This also included all suspected adverse medication reactions, reactions from medication overdose, abuse, withdrawal, sensitivity, toxicity, unrelated illnesses, including worsening a pre-existing condition, injury, or accidents.
Serious Adverse Events (SAEs) was defined as any life-threatening condition; hospitalization or prolongation of existing hospitalization; persistent or significant disability/incapacity; congenital anomaly/birth defect; or death.
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Up to 2 weeks post 28 days of treatment
|
Number of Participants With Clinically Significant Changes From Baseline in Laboratory Parameter Values
Délai: Up to 2 weeks post 28 days of treatment
|
Parameters assessed for laboratory values included hematology, chemistry, urinalysis, and coagulation.
The investigator was responsible for reviewing laboratory results for clinically significant changes.
|
Up to 2 weeks post 28 days of treatment
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Number of Participants With Clinically Significant Changes From Baseline in Vital Sign Values
Délai: Up to 2 weeks post 28 days of treatment
|
Parameters assessed for vital signs included sitting (at rest for a minimum of 5 minutes) heart rate, respiratory rate, body temperature, and blood pressure.
The investigator was responsible for reviewing laboratory results for clinically significant changes.
|
Up to 2 weeks post 28 days of treatment
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Number of Participants With Clinically Abnormal 12-Lead Electrocardiogram (ECG) Findings
Délai: Up to 2 weeks post 28 days of treatment
|
A standard 12-lead ECG was performed following dosing in a supine position for approximately 10 minutes.
ECGs were taken prior to blood draws when possible.
The investigator was responsible for reviewing laboratory results for clinical significance.
|
Up to 2 weeks post 28 days of treatment
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Mean Change From Baseline in PR Interval, QT Interval, QRS Interval, and QT Corrected (QTc) Interval
Délai: Up to 2 weeks post 28 days of treatment
|
A standard 12-lead ECG was performed following dosing in a supine position for approximately 10 minutes.
ECGs were taken prior to blood draws when possible.
The parameters evaluated from the participant ECG trace included PR interval, QT interval, QRS interval, and QTc (corrected).
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Up to 2 weeks post 28 days of treatment
|
Mean Trough Concentrations of Vadadustat at Day 8, 15, 22 and 29
Délai: Pre-dose at Day 8, 15, 22 and 29
|
Serum samples were collected from the participants at the defined time points.
Trough concentration was defined as the concentration of drug in the blood immediately before the next dose is administered.
Trough concentration was calculated using the validated liquid chromatography-mass spectrometry (LC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) method
|
Pre-dose at Day 8, 15, 22 and 29
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Collaborateurs et enquêteurs
C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.
Parrainer
Dates d'enregistrement des études
Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.
Dates principales de l'étude
Début de l'étude
21 octobre 2010
Achèvement primaire (Réel)
13 avril 2011
Achèvement de l'étude (Réel)
1 mai 2011
Dates d'inscription aux études
Première soumission
5 novembre 2010
Première soumission répondant aux critères de contrôle qualité
5 novembre 2010
Première publication (Estimation)
8 novembre 2010
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Réel)
1 juillet 2022
Dernière mise à jour soumise répondant aux critères de contrôle qualité
7 juin 2022
Dernière vérification
1 juin 2022
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- AKB-6548-CI-0004
Plan pour les données individuelles des participants (IPD)
Prévoyez-vous de partager les données individuelles des participants (DPI) ?
NON
Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .
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