Trial Outcomes & Findings for Equivalence of Calcium Acetate Oral Solution and Sevelamer Carbonate Tablets in Hemodialysis Patients (NCT NCT01427907)

NCT ID: NCT01427907

Last Updated: 2016-01-14

Results Overview

The average phosphorus level of non-missing laboratory assessments from the last two weeks of each treatment period for each subject

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

38 participants

Primary outcome timeframe

2 weeks

Results posted on

2016-01-14

Participant Flow

A total of 44 subjects signed the informed consent form (ICF), 5 subjects were not eligible, and 1 eligible subject withdrew the ICF prior to randomization.

Participant milestones

Participant milestones
Measure
Sequence I: COS (4 Weeks) Then Sevelamar (4 Weeks)
Patient receive Calcium Acetate Oral Solution (COS) for 4 weeks then cross over to Sevelamer tablets for 4 weeks.
Sequence II: Sevelamer (4 Weeks) Then COS (4 Weeks)
Patient receive Sevelamer tablets for 4 weeks, then cross over to take COS for 4 weeks.
Overall Study
STARTED
20
18
Overall Study
COMPLETED
17
14
Overall Study
NOT COMPLETED
3
4

Reasons for withdrawal

Reasons for withdrawal
Measure
Sequence I: COS (4 Weeks) Then Sevelamar (4 Weeks)
Patient receive Calcium Acetate Oral Solution (COS) for 4 weeks then cross over to Sevelamer tablets for 4 weeks.
Sequence II: Sevelamer (4 Weeks) Then COS (4 Weeks)
Patient receive Sevelamer tablets for 4 weeks, then cross over to take COS for 4 weeks.
Overall Study
Withdrawal by Subject
3
4

Baseline Characteristics

Equivalence of Calcium Acetate Oral Solution and Sevelamer Carbonate Tablets in Hemodialysis Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sequence I: COS Then Sevelamer
n=20 Participants
Sequence I: Calcium Acetate Oral Solution for 4 weeks then Sevelamer Carbonate for 4 weeks
Sequence II: Sevelamer Then COS
n=18 Participants
Sevelamer Carbonate for 4 weeks then Calcium Acetate Oral Solution for 4 weeks
Total
n=38 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
11 Participants
n=5 Participants
10 Participants
n=7 Participants
21 Participants
n=5 Participants
Age, Categorical
>=65 years
9 Participants
n=5 Participants
8 Participants
n=7 Participants
17 Participants
n=5 Participants
Age, Continuous
60 years
STANDARD_DEVIATION 16.3 • n=5 Participants
57 years
STANDARD_DEVIATION 20.2 • n=7 Participants
59 years
STANDARD_DEVIATION 18.0 • n=5 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
9 Participants
n=7 Participants
14 Participants
n=5 Participants
Sex: Female, Male
Male
15 Participants
n=5 Participants
9 Participants
n=7 Participants
24 Participants
n=5 Participants
Region of Enrollment
United States
20 participants
n=5 Participants
18 participants
n=7 Participants
38 participants
n=5 Participants

PRIMARY outcome

Timeframe: 2 weeks

Population: Modified intent-to-treat: subjects who were randomized, received at least one prescribed dose of the study medication and provided at least one of the last 4 laboratory assessments of each treatment period

The average phosphorus level of non-missing laboratory assessments from the last two weeks of each treatment period for each subject

Outcome measures

Outcome measures
Measure
Calcium Acetate Oral Solution
n=32 Participants
Calcium Acetate Oral Solution for periods 1 and 2
Sevelamer Carbonate
n=32 Participants
Sevelamer Carbonate for periods 1 and 2
Serum Phosphorus Levels
4.6 mg/dL
Standard Deviation 1.20
4.6 mg/dL
Standard Deviation 0.93

Adverse Events

Calcium Acetate Oral Solution

Serious events: 2 serious events
Other events: 13 other events
Deaths: 0 deaths

Sevelamer Carbonate

Serious events: 1 serious events
Other events: 6 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Calcium Acetate Oral Solution
n=38 participants at risk
Sequence I: Calcium Acetate Oral Solution for periods 1 and 2
Sevelamer Carbonate
n=38 participants at risk
Sevelamer Carbonate for periods 1 and 2
Respiratory, thoracic and mediastinal disorders
Acute Bronchitis
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
Skin and subcutaneous tissue disorders
hospitalization
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
Infections and infestations
Bacteremia; cellulitis, fever
0.00%
0/38 • 6 months
2.6%
1/38 • Number of events 3 • 6 months

Other adverse events

Other adverse events
Measure
Calcium Acetate Oral Solution
n=38 participants at risk
Sequence I: Calcium Acetate Oral Solution for periods 1 and 2
Sevelamer Carbonate
n=38 participants at risk
Sevelamer Carbonate for periods 1 and 2
Renal and urinary disorders
hematemesis
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
squamous cell carcinoma removed
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
Metabolism and nutrition disorders
hypercalcimia
7.9%
3/38 • Number of events 3 • 6 months
0.00%
0/38 • 6 months
Metabolism and nutrition disorders
hyperphosphatemia
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
Musculoskeletal and connective tissue disorders
left uper quadrant discomfort
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
Gastrointestinal disorders
nausea
2.6%
1/38 • Number of events 1 • 6 months
2.6%
1/38 • Number of events 1 • 6 months
Gastrointestinal disorders
diarrhea
5.3%
2/38 • Number of events 2 • 6 months
2.6%
1/38 • Number of events 1 • 6 months
Gastrointestinal disorders
flatulence
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
Gastrointestinal disorders
emesis
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
General disorders
arm pain
0.00%
0/38 • 6 months
2.6%
1/38 • Number of events 1 • 6 months
Gastrointestinal disorders
sharp stomach pain
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
Gastrointestinal disorders
strong acid reflux
0.00%
0/38 • 6 months
2.6%
1/38 • Number of events 1 • 6 months
Respiratory, thoracic and mediastinal disorders
chest pain
0.00%
0/38 • 6 months
2.6%
1/38 • Number of events 1 • 6 months
Musculoskeletal and connective tissue disorders
cramping
2.6%
1/38 • Number of events 1 • 6 months
0.00%
0/38 • 6 months
Vascular disorders
hypertension
0.00%
0/38 • 6 months
2.6%
1/38 • Number of events 1 • 6 months

Additional Information

Mayuri Thakuria MD (MBBS), MPH

Fresenius Medical Care, North America

Phone: 781-699-4645

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place