Trial Outcomes & Findings for Sodium Chloride and Contrast Nephropathy (NCT NCT03476460)

NCT ID: NCT03476460

Last Updated: 2025-03-20

Results Overview

Contrast-Associated Acute Kidney Injury, defined as the increase of serum creatinine \>0.3 mg/dL from baseline, or the reduction of estimated glomerular filtration rate (MDRD-4) \>25%, within 48h after contrast administration

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

271 participants

Primary outcome timeframe

Within 48h after contrast administration

Results posted on

2025-03-20

Participant Flow

Participants were recruited at Hospital Universitario Ramón y Cajal, Madrid, Spain, between April 2014 and November 2019.

A total of 271 patients were enrolled in the study, of whom 19 (7.0%) did not meet the criteria for per-protocol analysis and were therefore excluded from the main analysis. The reasons for exclusion included voluntary withdrawal (n=5), hospitalisation for bronchospasm (n=1), missing laboratory tests (n=10), and non-compliance with treatment (n=3). Thus, the main analysis (per-protocol) consisted of n=252 patients, of whom 123 received oral hydration and 129 received intravenous hydration.

Participant milestones

Participant milestones
Measure
Oral Sodium Chloride
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Overall Study
STARTED
134
137
Overall Study
COMPLETED
123
129
Overall Study
NOT COMPLETED
11
8

Reasons for withdrawal

Reasons for withdrawal
Measure
Oral Sodium Chloride
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Overall Study
Withdrawal by Subject
3
2
Overall Study
Non-compliance with treatment
3
0
Overall Study
Missing laboratory tests
5
5
Overall Study
Adverse Event
0
1

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Total
n=252 Participants
Total of all reporting groups
Age, Continuous
74.1 years
STANDARD_DEVIATION 6.1 • n=123 Participants
74.6 years
STANDARD_DEVIATION 6.8 • n=129 Participants
74.4 years
STANDARD_DEVIATION 6.4 • n=252 Participants
Sex: Female, Male
Female
34 Participants
n=123 Participants
50 Participants
n=129 Participants
84 Participants
n=252 Participants
Sex: Female, Male
Male
89 Participants
n=123 Participants
79 Participants
n=129 Participants
168 Participants
n=252 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
Spain
123 participants
n=123 Participants
129 participants
n=129 Participants
252 participants
n=252 Participants
Hypertension
94 Participants
n=123 Participants
98 Participants
n=129 Participants
192 Participants
n=252 Participants
Diabetes
87 Participants
n=123 Participants
97 Participants
n=129 Participants
184 Participants
n=252 Participants
Current smoker
5 Participants
n=123 Participants
9 Participants
n=129 Participants
14 Participants
n=252 Participants
Cancer
68 Participants
n=123 Participants
59 Participants
n=129 Participants
127 Participants
n=252 Participants
Chronic kidney disease
53 Participants
n=123 Participants
47 Participants
n=129 Participants
100 Participants
n=252 Participants
Heart failure
16 Participants
n=123 Participants
25 Participants
n=129 Participants
41 Participants
n=252 Participants
Peripheral artery disease
11 Participants
n=123 Participants
8 Participants
n=129 Participants
19 Participants
n=252 Participants
Estimated glomerular filtration rate (eGFR) according to MDRD-4
66.6 mL/min/1.73m^2
STANDARD_DEVIATION 19.4 • n=123 Participants
69.0 mL/min/1.73m^2
STANDARD_DEVIATION 19.6 • n=129 Participants
67.8 mL/min/1.73m^2
STANDARD_DEVIATION 19.5 • n=252 Participants
Serum creatinine
1.09 mg/dL
STANDARD_DEVIATION 0.31 • n=123 Participants
1.02 mg/dL
STANDARD_DEVIATION 0.29 • n=129 Participants
1.06 mg/dL
STANDARD_DEVIATION 0.30 • n=252 Participants
Cystatin C
1.36 mg/dL
STANDARD_DEVIATION 0.39 • n=123 Participants
1.41 mg/dL
STANDARD_DEVIATION 0.46 • n=129 Participants
1.38 mg/dL
STANDARD_DEVIATION 0.43 • n=252 Participants
Albumin-to-creatinine ratio
17.4 mg/g
n=123 Participants
19.4 mg/g
n=129 Participants
19.0 mg/g
n=252 Participants
Urea
49.1 mg/dL
STANDARD_DEVIATION 16.2 • n=123 Participants
46.7 mg/dL
STANDARD_DEVIATION 18.8 • n=129 Participants
47.8 mg/dL
STANDARD_DEVIATION 17.6 • n=252 Participants
Serum sodium
139.2 mg/dL
STANDARD_DEVIATION 2.6 • n=123 Participants
139.6 mg/dL
STANDARD_DEVIATION 3.1 • n=129 Participants
139.4 mg/dL
STANDARD_DEVIATION 2.9 • n=252 Participants
Serum potassium
4.5 mg/dL
STANDARD_DEVIATION 0.4 • n=123 Participants
4.5 mg/dL
STANDARD_DEVIATION 0.5 • n=129 Participants
4.5 mg/dL
STANDARD_DEVIATION 0.5 • n=252 Participants
B-type natriuretic peptide (BNP)
56.6 pg/mg
n=123 Participants
54.0 pg/mg
n=129 Participants
55.9 pg/mg
n=252 Participants
Hemoglobin
13.6 g/dL
STANDARD_DEVIATION 1.8 • n=123 Participants
13.7 g/dL
STANDARD_DEVIATION 1.7 • n=129 Participants
13.6 g/dL
STANDARD_DEVIATION 1.8 • n=252 Participants
Non-diuretic antihypertensives
95 Participants
n=123 Participants
97 Participants
n=129 Participants
192 Participants
n=252 Participants
Non-insulin antidiabetic drugs
81 Participants
n=123 Participants
86 Participants
n=129 Participants
167 Participants
n=252 Participants
Lipid-lowering agents
76 Participants
n=123 Participants
79 Participants
n=129 Participants
155 Participants
n=252 Participants
Diuretics
48 Participants
n=123 Participants
45 Participants
n=129 Participants
93 Participants
n=252 Participants
Body mass index (BMI)
23.0 Kg/m^2
STANDARD_DEVIATION 3.9 • n=123 Participants
23.0 Kg/m^2
STANDARD_DEVIATION 3.7 • n=129 Participants
23.0 Kg/m^2
STANDARD_DEVIATION 3.8 • n=252 Participants
Systolic blood pressure (SBP)
140.2 mmHg
STANDARD_DEVIATION 19.8 • n=123 Participants
143.1 mmHg
STANDARD_DEVIATION 20.2 • n=129 Participants
141.7 mmHg
STANDARD_DEVIATION 20.0 • n=252 Participants
Heart rate
71.1 bpm
STANDARD_DEVIATION 13.9 • n=123 Participants
70.9 bpm
STANDARD_DEVIATION 11.1 • n=129 Participants
71.0 bpm
STANDARD_DEVIATION 12.6 • n=252 Participants
Peripheral oxygen saturation (spO2)
95.8 percentage of hemoglobin saturation
STANDARD_DEVIATION 2.4 • n=123 Participants
95.4 percentage of hemoglobin saturation
STANDARD_DEVIATION 3.0 • n=129 Participants
95.6 percentage of hemoglobin saturation
STANDARD_DEVIATION 2.7 • n=252 Participants

PRIMARY outcome

Timeframe: Within 48h after contrast administration

Population: Per-protocol population

Contrast-Associated Acute Kidney Injury, defined as the increase of serum creatinine \>0.3 mg/dL from baseline, or the reduction of estimated glomerular filtration rate (MDRD-4) \>25%, within 48h after contrast administration

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Number of Participants With Acute Kidney Injury During the First 48 Hours After Contrast Administration
5 Participants
4 Participants

SECONDARY outcome

Timeframe: 24 hours from contrast administration (baseline)

Estimated glomerular filtration rate (eGFR) according to MDRD-4 at 24 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Estimated Glomerular Filtration Rate (eGFR) at 24h From Baseline
66.4 mL/min/1.73 m^2
Standard Deviation 18.9
68.8 mL/min/1.73 m^2
Standard Deviation 18.9

SECONDARY outcome

Timeframe: 48 hours from contrast administration (baseline)

Estimated glomerular filtration rate (eGFR) according to MDRD-4 at 48 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Estimated Glomerular Filtration Rate (eGFR) at 48h From Baseline
66.1 mL/min/1.73 m^2
Standard Deviation 19.7
67.9 mL/min/1.73 m^2
Standard Deviation 19.6

SECONDARY outcome

Timeframe: 24 hours from contrast administration (baseline)

Serum creatinine at 24 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Serum Creatinine at 24h From Baseline
1.10 mg/dL
Standard Deviation 0.33
1.02 mg/dL
Standard Deviation 0.29

SECONDARY outcome

Timeframe: 48 hours from contrast administration (baseline)

Serum creatinine at 48 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Serum Creatinine at 48h From Baseline
1.10 mg/dL
Standard Deviation 0.36
1.04 mg/dL
Standard Deviation 0.31

SECONDARY outcome

Timeframe: 24 hours from contrast administration (baseline)

Cystatin C at 24 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Cystatin C at 24h From Baseline
1.38 mg/dL
Standard Deviation 0.44
1.33 mg/dL
Standard Deviation 0.46

SECONDARY outcome

Timeframe: 48 hours from contrast administration (baseline)

Cystatin C at 48 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Cystatin C at 48h From Baseline
1.36 mg/dL
Standard Deviation 0.43
1.36 mg/dL
Standard Deviation 0.46

SECONDARY outcome

Timeframe: 24 hours from contrast administration (baseline)

Albumin-to-creatinine ratio at 24 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Albumin-to-creatinine Ratio at 24h From Baseline
17.2 mg/g
Interval 8.3 to 72.0
17.0 mg/g
Interval 9.3 to 65.5

SECONDARY outcome

Timeframe: 48 hours from contrast administration (baseline)

Albumin-to-creatinine ratio at 48 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Albumin-to-creatinine Ratio at 48h From Baseline
17.6 mg/g
Interval 9.0 to 69.2
18.2 mg/g
Interval 9.0 to 50.1

SECONDARY outcome

Timeframe: 24 hours from contrast administration (baseline)

Urea at 24 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Urea at 24h From Baseline
43.7 mg/dL
Standard Deviation 18.7
42.2 mg/dL
Standard Deviation 18.2

SECONDARY outcome

Timeframe: 48 hours from contrast administration (baseline)

Urea at 48 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Urea at 48h From Baseline
46.0 mg/dL
Standard Deviation 19.5
43.5 mg/dL
Standard Deviation 20.1

SECONDARY outcome

Timeframe: 24 hours from contrast administration (baseline)

Serum sodium at 24 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Serum Sodium at 24h From Baseline
139.4 mg/dL
Standard Deviation 2.6
139.3 mg/dL
Standard Deviation 2.6

SECONDARY outcome

Timeframe: 48 hours from contrast administration (baseline)

Serum sodium at 48 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Serum Sodium at 48h From Baseline
139.2 mg/dL
Standard Deviation 2.7
139.4 mg/dL
Standard Deviation 2.6

SECONDARY outcome

Timeframe: 24 hours from contrast administration (baseline)

Serum potassium at 24 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Serum Potassium at 24h From Baseline
4.4 mg/dL
Standard Deviation 0.4
4.4 mg/dL
Standard Deviation 0.5

SECONDARY outcome

Timeframe: 48 hours from contrast administration (baseline)

Serum potassium at 48 hours from contrast administration (baseline), as an secondary efficacy laboratory assessment.

Outcome measures

Outcome measures
Measure
Oral Sodium Chloride
n=123 Participants
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=129 Participants
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Serum Potassium at 48h From Baseline
4.4 mg/dL
Standard Deviation 0.4
4.5 mg/dL
Standard Deviation 0.5

Adverse Events

Oral Sodium Chloride

Serious events: 0 serious events
Other events: 31 other events
Deaths: 0 deaths

Intravenous Sodium Chloride

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Oral Sodium Chloride
n=134 participants at risk
Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, patients will take 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast. Oral sodium chloride: Patients will receive capsules of sodium chloride and free water ingestion (for each capsule of sodium chloride, with 250 ml of water, assuring a minimum ingestion of 750 ml of water) in the 48 hours prior contrast injection. Patients will take capsules of sodium chloride at a dose of 100 mg/kg during 48 hours previous the injection of contrast (48, 40, 32, 24, 16, and 8 hours), at the moment of contrast injection and 12 hours after the injection of contrast.
Intravenous Sodium Chloride
n=137 participants at risk
Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection. Intravenous sodium chloride: Patients will receive at hospital 3 ml/Kg of sodium chloride 0.9%, one hour previous contrast injection and 2 ml/kg during the 4 hours after contrast injection.
Gastrointestinal disorders
Nausea
9.7%
13/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.00%
0/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Gastrointestinal disorders
Vomiting
7.5%
10/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.00%
0/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Gastrointestinal disorders
Abdominal discomfort
2.2%
3/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.00%
0/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Respiratory, thoracic and mediastinal disorders
Dyspnea
0.00%
0/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
1.5%
2/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
General disorders
Malaise/asthenia
0.75%
1/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.73%
1/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Nervous system disorders
Headache
0.75%
1/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.00%
0/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Musculoskeletal and connective tissue disorders
Leg cramps
0.75%
1/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.00%
0/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Skin and subcutaneous tissue disorders
Pruritus
0.75%
1/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.00%
0/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Immune system disorders
Allergic reaction to contrast
0.75%
1/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.00%
0/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Respiratory, thoracic and mediastinal disorders
Bronchospasm
0.00%
0/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.73%
1/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Respiratory, thoracic and mediastinal disorders
Chest tightness
0.00%
0/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.73%
1/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
Infections and infestations
Infection
0.00%
0/134 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.
0.73%
1/137 • Within 48 hours from contrast administration (baseline).
Adverse events were registered, including severity and relationship with study medication.

Additional Information

Coordinator of Research Support Unit, Internal Medicine Dept.

Hospital Universitario Ramón y Cajal, IRYCIS

Phone: 0034913369082

Results disclosure agreements

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