- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01210560
Dose-finding Study of New Tolvaptan Formulation in Subjects With ADPKD
A Multi-center, Parallel-group, Randomized, Double-blind, Placebo-masked, Multiple Dose Trial of Modified-release (MR) and Immediate-release (IR) Tolvaptan in Subjects With Autosomal Dominant Polycystic Kidney Disease (ADPKD)
To establish pharmacokinetics (PK), pharmacodynamics (PD), and adverse event (AE) profile of tolvaptan administered as the modified-release (MR) formulation in ADPKD subjects. The goals of this trial are two-fold:
- To directly compare the immediate release (IR) and MR formulations
- To determine the dose range and dose regimen for MR (dose finding)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Group 1 will have 12 subjects enrolled in a 3-period, randomized, crossover to compare multiple doses of a 90-30 mg split-dose of the tolvaptan IR formulation, a 120 mg once daily (QD) dose of the tolvaptan MR formulation, and, in an incomplete block randomization, multiple doses of either 20 mg QD, 60 mg QD, or 20 mg twice daily (BID) tolvaptan MR formulation. All dose regimens will be administered for 7 days. Placebo doses will be administered in order to mask QD vs BID treatments.
Group 2 will have 12 subjects enrolled in a 3-period, randomized, crossover to compare multiple oral doses of the tolvaptan MR formulation administered for 7 days as 20 mg QD, 60 mg QD, and 20 mg BID. Placebo capsules will be administered in order to mask QD vs BID treatments.
Subjects will have in-clinic assessments on 12 days to obtain 24-hour PK and PD data. Subjects will visit the clinic from the afternoon of Day -1 through the morning of Day 1. They will return at the end of each dosing period for a similar inpatient period (ie, from the afternoon of Day 6 through the morning of Day 8, from the afternoon of Day 13 through the morning of Day 15, from the afternoon of Day 20 through the morning of Day 22). Except for the first dose of each period and the doses taken in the clinic on the last day of each regimen and the afternoon of Days 6, 13 and 20, all other doses will be taken by the subject as an outpatient.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Massachusetts
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Boston, Massachusetts, United States, 02111
- Tufts-New England Medical Center
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Minnesota
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Minneapolis, Minnesota, United States, 55404
- Davita Clinical Research
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Rochester, Minnesota, United States, 55905
- Mayo Medical Center
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Ohio
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Cleveland, Ohio, United States, 44106
- University Hospitals of Cleveland/Case
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Oregon
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Portland, Oregon, United States, 97210
- Northwest Renal Clinic Inc.
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- University of Pennsylvania Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subjects (male or female) who are surgically sterile (ie, have undergone hysterectomy) or using contraception or agree to remain abstinent
- Subjects between the ages of 18 and 50, inclusive
- Subjects with a body mass index between 19 to 35 kg/m2 (inclusive)
- Subjects with a diagnosis of ADPKD by modified Ravine criteria
- Subjects must be in good health as determined by medical history, physical examination, ECG, serum/urine biochemistry, hematology, and serology tests
- Subjects with the ability to provide written, informed consent prior to initiation of any trial-related procedures, and ability, in the opinion of the principle investigator, to comply with all requirements of the trial
- Subjects who expect to be able to complete all dosing periods and assessments within 42 (+2) days after dosing on Day 1
Exclusion Criteria:
- Subjects using diuretics within 14 days prior to check in on Day -1
- Subjects with incontinence, overactive bladder, or urinary retention (eg, benign prostatic hyperplasia)
- Subjects (male or female) with nocturia/urgency (outside of the 2 to 4 times awakening per night expected for ADPKD patients) at screening
- Subjects with liver disease, liver function abnormalities or serology other than that expected for ADPKD with cystic liver disease at baseline
- Subjects with clinically significant abnormality in past medical history, or at the Screening physical examination, that in the investigator's or sponsor's opinion may place the volunteer at risk or interfere with outcome variables including absorption, distribution, metabolism, and excretion of drug. This includes, but is not limited to, history of or concurrent cardiac, hepatic, renal, neurologic, endocrine, gastrointestinal, respiratory, hematologic, and immunologic disease
- Subjects with a history of drug and/or alcohol abuse within 2 years prior to screening
- Subjects who have a history of or test positive at screening for hepatitis B surface antigen (HBsAg), hepatitis C antibodies (anti-HCV), and/or human immunodeficiency virus (HIV)
- Subjects who have clinically significant allergic reactions to tolvaptan or chemically related structures such as benzazepines (eg, benzazepril, conivaptan, fenoldopam mesylate or mirtazapine)
- Subjects who have taken an investigational drug within 30 days preceding trial entry
- Subjects with any history of significant bleeding or hemorrhagic tendencies
- Subjects with a history of difficulty in donating blood
- Subjects who have donated blood or plasma within 30 days prior to dosing
- Subjects who have consumed alcohol and/or food or beverages containing methylxanthines, grapefruit, grapefruit juice, Seville oranges, or Seville orange juice within 72 hours prior to Day 1 dosing
- Subjects taking CYP3A4 inhibitors, with the exception of amiodarone, taken within 30 days of dosing (eg, amprenavir, atorvastatin, aprepitant, chloramphenicol [not eye drops], cimetidine, clarithromycin, clotrimazole [if used orally], danazol, delavirdine, diltiazem, erythromycin, fluconazole, fluvoxamine, indinavir, isoniazid, itraconazole, josamycin, ketoconazole, nelfinavir, nefazadone, quinupristin/dalfopristin, ritonavir, saquinavir, troleandomycin, verapamil)
- Subjects taking CYP3A4 inducers taken within 7 days of dosing (eg, rifampin, St. Johns Wort)
- Subjects with a history of serious mental disorders
- Subjects with previous exposure to tolvaptan
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: RANDOMIZED
- Interventional Model: CROSSOVER
- Masking: QUADRUPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: 20 mg MR
|
20 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
20 mg Tolvaptan MR capsule(morning and afternoon); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
60 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
120 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
|
EXPERIMENTAL: 40 mg MR
|
20 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
20 mg Tolvaptan MR capsule(morning and afternoon); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
60 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
120 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
|
EXPERIMENTAL: 60 mg MR
|
20 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
20 mg Tolvaptan MR capsule(morning and afternoon); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
60 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
120 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
|
EXPERIMENTAL: 120 mg MR
|
20 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
20 mg Tolvaptan MR capsule(morning and afternoon); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
60 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
120 mg Tolvaptan MR capsule(morning); Placebo capsules/tablets (morning and afternoon) for 7 days
Other Names:
|
EXPERIMENTAL: 120 mg IR
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90 mg Tolvaptan IR tablet(morning); 30 mg Tolvaptan IR tablet (afternoon); Placebo capsules (morning and afternoon) for 7 days
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Maximum (Peak) Plasma Concentration of the Drug [Cmax] and Minimum (Trough) Plasma Concentration of the Drug [Cmin] After Tolvaptan Treatment on Day 7.
Time Frame: Day 7
|
Blood samples (6 mL) for determination of tolvaptan PK parameters were collected on Day 1 predose, and on Days 7, 14 and 21 at predose, and 1, 2, 4, 6, 8, 9, 10, 12, 16, and 24 hours postdose.
If a sample was not drawn at the designated time, a window of ± 3 minutes for each blood draw was acceptable.
Maximum and minimum plasma concentration of the drug was calculated.
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Day 7
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Time to Maximum (Peak) Plasma Concentration (Tmax) After Tolvaptan Treatment on Day 7.
Time Frame: Day 7
|
Blood samples (6 mL) for determination of tolvaptan PK parameters were collected on Day 1 predose, and on Days 7, 14 and 21 at predose, and 1, 2, 4, 6, 8, 9, 10, 12, 16, and 24 hours postdose.
If a sample was not drawn at the designated time, a window of ± 3 minutes for each blood draw was acceptable.
Time to maximum plasma concentration was calculated.
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Day 7
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Area Under the Concentration-time Curve During the Dosing Interval at Steady State and Area Under the Concentration-time Curve From Time 0 to 24 Hours Postdose (AUCT & AUC0-24h) After Tolvaptan Treatment on Day 7.
Time Frame: Day 7
|
Blood samples (6 mL) for determination of tolvaptan PK parameters were collected on Day 1 predose, and on Days 7, 14 and 21 at predose, and 1, 2, 4, 6, 8, 9, 10, 12, 16, and 24 hours postdose.
If a sample was not drawn at the designated time, a window of ± 3 minutes for each blood draw was acceptable.
Hence, both AUCT and AUC0-24h values were calculated.
|
Day 7
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Urine Osmolality < 300 mOsm/kg at 23.5 Hours Postdose.
Time Frame: 23.5 hours post-dose
|
For determination of duration of urine osmolality <300 mOsm/kg, the value was the end time of the last collection interval in which urine osmolality was <300 mOsm/kg.
Day 8 in the table below was defined as Day 8 of Period 1, Day 15 of Period 2, and Day 22 of period 3.
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23.5 hours post-dose
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Change From Baseline in Urine Osmolality Area Under the Concentration-time Curve From Time 0 to 24 Hours Postdose (AUC0-24h) at Day 7.
Time Frame: Day 7
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The AUC0-24h for urine osmolality was determined by multiplying the concentration by the collection interval duration for each collection interval and summing all the intervals in the 24-hour period.
If the urine volume for an interval is zero, the duration of that interval will be added to the next collection interval.
Day 7 was defined as Day 7 of Period 1, Day 14 of Period 2 and Day 21 of Period 3.
|
Day 7
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Change From Baseline in Urine Osmolality at Day 7.
Time Frame: 0-4, 4-8, 8-12, 12-16, 16-24 Hours at Day 7
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To determine the tolerability and nighttime urinary suppression of osmolality.
The urine osmolality was summarized by collection interval (0 to 4, 4 to 8, 8 to 12, 12 to 16, and 16 to 24 hours)
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0-4, 4-8, 8-12, 12-16, 16-24 Hours at Day 7
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Change From Baseline in Urine Volume at 24 Hours at Day 7.
Time Frame: Day 7
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Urine volume was collected by 0 to 24-hour interval at Day 7. Day 7 was defined as Day 7 of Period 1, Day 14 of Period 2 and Day 21 of Period 3.
|
Day 7
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Change From Baseline in Urine Volume by Interval at Day 7.
Time Frame: 0-4, 4-8, 8-12, 12-16, 16-24 Hours at Day 7
|
Urine volume collected was by interval (0-4, 4-8, 8-12, 12-16, 16-24 hours).
Day 7 was defined as Day 7 of Period 1, Day 14 of Period 2 and Day 21 of Period 3.
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0-4, 4-8, 8-12, 12-16, 16-24 Hours at Day 7
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Duration of Urine Osmolality Less Than 300 mOsm/kg at Baseline and Day 7.
Time Frame: Baseline and Day 7
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Duration of urine osmolality remains below 300 mOsm/kg was the sum of the durations (nominal times) of all intervals where the urine concentration was < 300 mOsm/kg.
Day 7 was defined as Day 7 of Period 1, Day 14 of Period 2, and Day 21 of Period 3.
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Baseline and Day 7
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Change From Baseline in Number of Urine Voids During Awake Periods.
Time Frame: Days 1, 2, 3, 4, 5, 6 and 7
|
Average number of daily urine voids during awake periods for each dose group.
Day 1 was defined as Day1 of Period 1, Day 8 of Period 2 adn Day 15 of Period 3; Day 7 was defined as Day 7 of Period 1, Day 14 of Period 2 and Day 21 of Period 3; Same rule applied to Day 2 and Day 6.
|
Days 1, 2, 3, 4, 5, 6 and 7
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Change From Baseline in Number of Urine Voids During Sleep Periods.
Time Frame: Days 1, 2, 3, 4, 5, 6 and 7
|
Average number of daily urine voids during sleep periods for each dose group.
Day 1 was defined as Day 1 of Period 1, Day 8 of Period 2, Day 15 of Period 3; Day 7 was defined as Day 7 of Period 1, Day 14 of Period 2 and Day 21 of Period 3; Same rule applied to Day 2 to 6.
|
Days 1, 2, 3, 4, 5, 6 and 7
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Change From Baseline in Symptom Burden by Autosomal Dominant Polycystic Kidney Disease (ADPKD) Nocturia Quality of Life Questionnaire at Day 6.
Time Frame: Day 6
|
In ADPKD Nocturia Quality of Life Questionnaire, questions 1 to 11 (with possible scores ranging from 0 to 4 and higher scores indicating better quality of life) were pooled to provide a total score (maximum of 44 points).
Response scores of Question 12 (with possible scores ranging from 1 to 10, with higher scores indicating more interference (worse quality of life) with everyday life due to urination at night) were pooled separately.
Day 6 was defined as Day 6 of Period 1, Day 13 of Period 2 and Day 20 of Period 3.
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Day 6
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Number of Participants Experiencing Urinary Urgency Based on Urinary Urgency Questionnaire (Question 1) at Baseline and Day 6.
Time Frame: Baseline and Day 6
|
For the ADPKD Urinary Urgency Questionnaire, Question 1 (currently experiencing urgency?) was assigned 'Yes' or 'No' to measure current urine urgency status.
Baseline was defined as last pre-dose evaluation; Day 6 was defined as Day 6 of Period 1, Day 13 of Period 2 and Day 20 of Period 3.
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Baseline and Day 6
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Change From Baseline in Urinary Urgency Questionnaire (Questions 2 to 5 and Questions 7 to 14) at Day 6.
Time Frame: Day 6
|
Question 2 to Question 6 were assigned scores of 0 to 4 with higher scores indicating worse cases in experience of urinary urgency. Scores for Question 2 to Question 5 were pooled, with a maximum possible score of 16. Question 6 was excluded from the analysis since it was only asked at screening. Question 7 to Question 14 were also assigned scores of 0 to 4 with higher scores indicating worse cases in impact of urinary urgency on life; scores for these questions were pooled, with a maximum possible score of 32. Baseline was defined as last pre-dose evaluation; Day 6 was defined as Day 6 of Period 1, Day 13 of Period 2 and Day 20 of Period 3. |
Day 6
|
Number of Participants Experiencing Urinary Frequency Based on Urinary Frequency Questionnaire (Question 1) at Baseline and Day 6.
Time Frame: Baseline and Day 6
|
The ADPKD Urinary Frequency Questionnaire: Question 1 (currently experiencing frequency) was assigned 'Yes' or 'No' to measure current urine frequency status. Baseline was defined as last pre-dose evaluation; Day 6 was defined as Day 6 of Period 1, Day 13 of Period 2 and Day 20 of Period 3. |
Baseline and Day 6
|
Change From Baseline in Urinary Frequency Questionnaire (Question 2 and Questions 3 to 10) at Day 6.
Time Frame: Day 6
|
Question 2 asked, "During the last 5 days, how much has urinary frequency bothered you?" In order to score the response, the written answers were assigned values from 0 to 4 as follows: 0) Not at all, 1) Somewhat, 2) Moderately, 3) Quite a bit, and 4) Constantly. Question 3 to Question 10 were assigned scores of 0 to 4 with higher scores indicating worse cases in impact of urinary frequency on life; scores for these questions were pooled, with a maximum possible score of 32. Baseline was defined as last pre-dose evaluation; Day 6 was defined as Day 6 of Period 1, Day 13 of Period 2 and Day 20 of Period 3. |
Day 6
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Ranking of Treatment Tolerability.
Time Frame: Day 22/Early Termination
|
Ranking of treatment tolerability was evaluated based on a questionnaire.
At Day 22, participants were asked the following questions and their responses recorded on the eCRF: "Which treatment period did you find most tolerable?"
and "Which treatment period did you find the least tolerable?".
|
Day 22/Early Termination
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Urologic Diseases
- Congenital Abnormalities
- Genetic Diseases, Inborn
- Abnormalities, Multiple
- Kidney Diseases, Cystic
- Ciliopathies
- Kidney Diseases
- Polycystic Kidney Diseases
- Polycystic Kidney, Autosomal Dominant
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Natriuretic Agents
- Antidiuretic Hormone Receptor Antagonists
- Tolvaptan
Other Study ID Numbers
- 156-09-285
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