Trial Outcomes & Findings for Sevelamer for Reducing Endotoxemia and Immune Activation (NCT NCT01543958)

NCT ID: NCT01543958

Last Updated: 2018-10-11

Results Overview

Change in LPS from baseline to week 8, where baseline value is the average of pre-entry and entry values.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

40 participants

Primary outcome timeframe

baseline and Week 8

Results posted on

2018-10-11

Participant Flow

A5296 accrual opened under protocol version 1.0 on 11/21/11, and the first subject was enrolled on 12/29/11. Accrual to the study closed on 8/1/12, with a total of 40 subjects enrolled from 15 sites within the US.

Participant milestones

Participant milestones
Measure
Sevelamer Carbonate
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Overall Study
STARTED
40
Overall Study
COMPLETED
36
Overall Study
NOT COMPLETED
4

Reasons for withdrawal

Reasons for withdrawal
Measure
Sevelamer Carbonate
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Overall Study
Loss to follow-up
3
Overall Study
ART initiation
1

Baseline Characteristics

Sevelamer for Reducing Endotoxemia and Immune Activation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sevelamer Carbonate
n=40 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Age, Categorical
<=18 years
0 Participants
n=99 Participants
Age, Categorical
Between 18 and 65 years
39 Participants
n=99 Participants
Age, Categorical
>=65 years
1 Participants
n=99 Participants
Age, Continuous
44 years
n=99 Participants
Sex: Female, Male
Female
11 Participants
n=99 Participants
Sex: Female, Male
Male
29 Participants
n=99 Participants
Race/Ethnicity, Customized
White non-Hispanic
10 participants
n=99 Participants
Race/Ethnicity, Customized
Black Non-Hispanic
24 participants
n=99 Participants
Race/Ethnicity, Customized
Hispanic (regardless of Race)
6 participants
n=99 Participants
Region of Enrollment
United States
40 participants
n=99 Participants
Log10 HIV-1 RNA
3.58 copies/mL
n=99 Participants
CD4 count
580 cells/mm^3
n=99 Participants

PRIMARY outcome

Timeframe: baseline and Week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects had valid data at both baseline and week 8 and were included in primary analysis.

Change in LPS from baseline to week 8, where baseline value is the average of pre-entry and entry values.

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Endotoxin
0.20 pg/mL
Interval -4.06 to 5.81

PRIMARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects had valid data at both baseline and week 8 and were included in primary analysis.

Change in soluble CD14 (sCD14) from baseline to week 8, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Soluble CD14 (sCD14)
-0.02 ug/mL
Interval -0.18 to 0.06

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects had valid data at both baseline and week 4 and were included in this secondary analysis.

Change in endotoxin from baseline to week 4, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Endotoxin
1.08 pg/mL
Interval -2.51 to 7.71

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 33 subjects with valid endpoint at both week 8 and week 16 were included in this secondary analysis.

Change in endotoxin from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=33 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Endotoxin
-2.39 pg/mL
Interval -8.04 to 2.65

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects have valid data at baseline and week 4 and were included in this secondary analysis.

Change in sCD14 from baseline to week 4, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in sCD14
-0.09 ug/mL
Interval -0.23 to 0.11

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 34 subjects had valid data at both week 8 and week 16 and were included in this secondary analysis.

Change in sCD14 from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in sCD14
0.06 ug/mL
Interval -0.03 to 0.24

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 33 subjects with valid data at baseline and week 8 were included in this secondary analysis.

Change from baseline to week 8 in CD4+ T-cell activation, defined as the %CD38+/HLA-DR+, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=33 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CD4+ T-cell Activation
0.050 percentage
Interval -0.65 to 2.6

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 35 subjects with valid data at baseline and week 4 were included in this secondary analysis.

Change from baseline to week 4 in CD4+ T-cell activation, defined as the %CD38+/HLA-DR+, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=35 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CD4+ T-cell Activation
0.4 percentage
Interval -0.95 to 1.2

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 30 subjects with valid data at week 8 and week 16 were included in this secondary analysis.

Change from week 8 to week 16 in CD4+ T-cell activation, defined as the %CD38+/HLA-DR+

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=30 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CD4+ T-cell Activation
0.45 percentage
Interval -0.8 to 1.6

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 35 subjects with valid data at baseline and week 4 were included in this secondary analysis.

Change from baseline to week 4 in CD8+ T-cell activation, defined as the %CD38+/HLA-DR+, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=35 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CD8+ T-cell Activation
-0.05 percentage
Interval -4.35 to 3.15

SECONDARY outcome

Timeframe: Baseline and Week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 33 subjects with valid data at baseline and week 8 were included in this secondary analysis.

Change in CD8+ T-cell activation defined as the %CD38+/HLA-DR+ from baseline to week 8, where baseline is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=33 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CD8+ T-cell Activation
-0.450 percentage
Interval -1.75 to 1.95

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 30 subjects with valid data at week 8 and week 16 were included in this secondary analysis.

Change in CD8+ T-cell activation defined as the %CD38+/HLA-DR+ from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=30 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CD8+ T-cell Activation
-0.15 percentage
Interval -1.9 to 6.0

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects have valid data at baseline and week 4 and were included in this secondary analysis.

Change from baseline to week 4 in cycling CD8+ , defined as the %Ki67+, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Proportion of Cycling CD8+
-0.125 percentage
Interval -0.55 to 0.275

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 32 subjects with valid data at baseline and week 8 were included in this secondary analysis.

Change from baseline to week 8 in cycling CD8+ , defined as the %Ki67+, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=32 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Proportion of Cycling CD8+
0.1 percentage
Interval -0.425 to 0.775

SECONDARY outcome

Timeframe: from week 8 to week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 29 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change from week 8 to week 16 in cycling CD8+ , defined as the %Ki67+

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=29 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Proportion of Cycling CD8+
0.300 percentage
Interval -0.5 to 0.9

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects had valid data at both baseline and week 4 and were included in this secondary analysis.

Change from baseline to week 4 in cycling CD4+ , defined as the %Ki67+, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Proportion of Cycling CD4+
0.125 percentage
Interval -0.375 to 0.575

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 32 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Change from baseline to week 8 in cycling CD4+ , defined as the %Ki67+, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=32 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Proportion of Cycling CD4+
0.025 percentage
Interval -0.575 to 0.4

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 29 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change from week 8 to week 16 in cycling CD4+ , defined as the %Ki67+

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=29 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Proportion of Cycling CD4+
0.2 percentage
Interval -0.3 to 0.8

SECONDARY outcome

Timeframe: from baseline to week 4

Population: Among 40 subjects enrolled in A5296, 39 subjects with valid data at both baseline and week 4 were included in this secondary analysis.

Change in blood phosphate levels from baseline to week 4, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=39 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Blood Phosphate Levels
0 mg/dL
Interval -0.2 to 0.6

SECONDARY outcome

Timeframe: Baseline to Week 8

Population: Among 40 subjects enrolled in A5296, 37 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Change in blood phosphate levels from baseline to week 8

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=37 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Blood Phosphate Levels
-0.1 mg/dL
Interval -0.3 to 0.2

SECONDARY outcome

Timeframe: from week 8 to week 16

Population: Among 40 subjects enrolled in A5296, 34 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in blood phosphate levels from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Blood Phosphate Levels
0.10 mg/dL
Interval -0.3 to 0.4

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects had valid data at both baseline and week 4 and were included in this secondary analysis.

Change in log10 HIV RNA levels from baseline to week 4, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in log10 HIV RNA Levels
0.02 log10(copies/mL)
Interval -0.09 to 0.14

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects had valid data at both baseline and week 8 and were included in this secondary analysis.

Change in log10 HIV RNA levels from baseline to week 8, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in log10 HIV RNA Levels
-0.02 log10(copies/mL)
Interval -0.12 to 0.1

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 34 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in log10 HIV RNA levels from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in log10 HIV RNA Levels
0.16 log10(copies/mL)
Interval -0.11 to 0.31

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 35 subjects with valid data at both baseline and week 4 were included in this secondary analysis.

Change in CD4+ T-cell counts from baseline to week 4, where baseline is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=35 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CD4+ T-cell Counts
-25 cells/mm^3
Interval -86.0 to 40.0

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 36 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Change in CD4+ T-cell counts from baseline to week 8, where baseline is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CD4+ T-cell Counts
-14 cells/mm^3
Interval -70.0 to 45.0

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 34 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in CD4+ T-cell counts from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CD4+ T-cell Counts
-1 cells/mm^3
Interval -93.0 to 69.0

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All subjects had valid data at both baseline and week 4 and were included in this secondary analysis.

Changes in levels of systemic inflammation marker IL-6 from baseline to week 4, where baseline is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in IL-6
0.28 pg/mL
Interval -0.13 to 0.72

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Changes in levels of systemic inflammation marker IL-6 from baseline to week 8, where baseline is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in IL-6
-0.02 pg/mL
Interval -0.58 to 0.63

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 34 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Changes in levels of systemic inflammation marker IL-6 from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in IL-6
0.19 pg/mL
Interval -0.43 to 1.07

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects with valid data at both baseline and week 4 were included in this secondary analysis.

Changes in levels of systemic inflammation marker CRP from baseline to week 4, where baseline is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in C-reactive Protein (CRP)
-141 ng/mL
Interval -1283.5 to 845.0

SECONDARY outcome

Timeframe: Baseline and Week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Changes in levels of systemic inflammation marker CRP from baseline to week 8, where baseline is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CRP
45.5 ng/mL
Interval -652.5 to 1539.5

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 34 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Changes in levels of systemic inflammation marker CRP from week 8 to week 16, where baseline is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in CRP
-34 ng/mL
Interval -493.0 to 527.0

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects with valid data at both baseline and week 4 were included in this secondary analysis.

Change in levels of coagulation biomarker d-dimer from baseline to week 4, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in D-dimer
5.95 ng/mL
Interval -28.87 to 55.02

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Change in levels of coagulation biomarker d-dimer from baseline to week 8, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in D-dimer
20.30 ng/mL
Interval -16.08 to 74.9

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 34 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in levels of coagulation biomarker d-dimer from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in D-dimer
-17.15 ng/mL
Interval -66.0 to 25.8

SECONDARY outcome

Timeframe: baseline and week 4

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects with valid data at both baseline and week 4 were included in this secondary analysis.

Change in levels of coagulation biomarker tissue factor from baseline to week 4, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Tissue Factor
-2.47 pg/mL
Interval -6.03 to 0.15

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects had valid data at both baseline and week 8 were included in this secondary analysis.

Change in levels of coagulation biomarker tissue factor from baseline to week 8, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Tissue Factor
-2 pg/mL
Interval -6.7 to -0.1

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 34 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in levels of coagulation biomarker tissue factor from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Tissue Factor
3.8 pg/mL
Interval 0.0 to 8.0

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 35 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Change in total cholesterol from baseline to week 8, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=35 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Total Cholesterol
-12.5 mg/dL
Interval -28.5 to 5.5

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 33 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in total cholesterol from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=33 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Total Cholesterol
9 mg/dL
Interval -4.0 to 25.0

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 34 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Change in fasting LDL cholesterol from baseline to week 8, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in LDL Cholesterol
-18.25 mg/dL
Interval -32.2 to 1.5

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 32 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in fasting LDL cholesterol from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=32 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in LDL Cholesterol
14.20 mg/dL
Interval -0.5 to 32.5

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 35 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Change in fasting HDL cholesterol from baseline to week 8, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=35 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in HDL Cholesterol
0.50 mg/dL
Interval -5.0 to 4.0

SECONDARY outcome

Timeframe: from week 8 to week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 33 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in fasting HDL cholesterol from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=33 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in HDL Cholesterol
1 mg/dL
Interval -3.0 to 5.0

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 35 subjects with valid data at both baseline and week 8 were included in this secondary analysis.

Change in non-HDL cholesterol from baseline to week 8, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=35 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Non-HDL Cholesterol
-12 mg/dL
Interval -25.0 to 2.0

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 33 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in non-HDL cholesterol from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=33 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Non-HDL Cholesterol
4 mg/dL
Interval -2.0 to 24.0

SECONDARY outcome

Timeframe: baseline and week 8

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. All 36 subjects had valid data at both baseline and week 8 and were included in this secondary analysis.

Change in fasting glucose from baseline to week 8, where baseline value is the average of pre-entry and entry

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=36 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Fasting Glucose
-2 mg/dL
Interval -12.75 to 2.92

SECONDARY outcome

Timeframe: week 8 and week 16

Population: This is an as-treated analysis, limited to 36 subjects who have data for baseline and week 8 and who remain on study treatment through week 8. Among these 36 subjects, 34 subjects with valid data at both week 8 and week 16 were included in this secondary analysis.

Change in fasting glucose from week 8 to week 16

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=34 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Change in Fasting Glucose
3.5 mg/dL
Interval -3.0 to 15.0

SECONDARY outcome

Timeframe: baseline and week 16

Population: All 40 subjects enrolled in A5296 were included in this analysis.

Number of subjects experiencing primary adverse events, defined as all reported Grade ≥ 2 signs and symptoms, Grade ≥ 2 laboratory abnormalities and other serious adverse events (SAEs)

Outcome measures

Outcome measures
Measure
Sevelamer Carbonate
n=40 Participants
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Primary Adverse Events
28 participants

Adverse Events

Sevelamer Carbonate

Serious events: 2 serious events
Other events: 32 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Sevelamer Carbonate
n=40 participants at risk
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Infections and infestations
Cellulitis
2.5%
1/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Injury, poisoning and procedural complications
Joint injury
2.5%
1/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level

Other adverse events

Other adverse events
Measure
Sevelamer Carbonate
n=40 participants at risk
Patients will be administered two 800 mg tablets of Sevelamer carbonate orally three times a day for 8 weeks.
Eye disorders
Conjunctivitis
5.0%
2/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Gastrointestinal disorders
Abdominal pain
5.0%
2/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Gastrointestinal disorders
Constipation
5.0%
2/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Gastrointestinal disorders
Diarrhoea
5.0%
2/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Alanine aminotransferase increased
5.0%
2/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Blood bicarbonate decreased
22.5%
9/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Blood calcium decreased
20.0%
8/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Blood cholesterol increased
27.5%
11/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Blood glucose decreased
12.5%
5/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Blood glucose increased
22.5%
9/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Blood phosphorus decreased
25.0%
10/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Blood sodium decreased
7.5%
3/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Haemoglobin decreased
5.0%
2/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Low density lipoprotein increased
15.0%
6/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level
Investigations
Neutrophil count decreased
5.0%
2/40 • AEs reported from study enrollment until study completion at week 16
AE reporting followed DAIDS reporting level

Additional Information

ACTG ClinicalTrials.gov Coordinator

ACTG Network Coordinating Center, Social and Scientific Systems, Inc.

Phone: (301) 628-3313

Results disclosure agreements

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