Trial Outcomes & Findings for Randomized Controlled Trial of Vitamin D3 in Diabetic Kidney Disease (NCT NCT00552409)

NCT ID: NCT00552409

Last Updated: 2014-04-28

Results Overview

Albumin and creatinine concentrations were measured in 24hr urine collections at baseline, 3 months after randomization, and one year after randomization. We analyzed the difference in log-transformed albumin-creatinine ratio (ACR, mg/g) after randomization (3 months and one year, analyzed together with all available data included) compared with baseline, by treatment assignment. Results are transformed to present percent difference in urine ACR.

Recruitment status

COMPLETED

Study phase

PHASE2/PHASE3

Target enrollment

22 participants

Primary outcome timeframe

Baseline, 3 months, and one year

Results posted on

2014-04-28

Participant Flow

Ninety-three participants from medical clinics associated from the University of Washington (Seattle, WA) provided informed consent for this study between February, 2008 through June, 2009.

Of the 93 participants who provided informed consent, 63 were ineligible, 8 withdrew prior to randomization, and 22 were randomized to treatment.

Participant milestones

Participant milestones
Measure
Cholecalciferol
2000 IU by mouth daily for one year
Placebo
One softgel daily for one year
Overall Study
STARTED
11
11
Overall Study
COMPLETED
10
9
Overall Study
NOT COMPLETED
1
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Randomized Controlled Trial of Vitamin D3 in Diabetic Kidney Disease

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Cholecalciferol
n=11 Participants
2000 IU by mouth daily for one year
Placebo
n=11 Participants
One softgel daily for one year
Total
n=22 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
7 Participants
n=5 Participants
7 Participants
n=7 Participants
14 Participants
n=5 Participants
Age, Categorical
>=65 years
4 Participants
n=5 Participants
4 Participants
n=7 Participants
8 Participants
n=5 Participants
Age, Continuous
60 years
STANDARD_DEVIATION 10 • n=5 Participants
61 years
STANDARD_DEVIATION 13 • n=7 Participants
60 years
STANDARD_DEVIATION 11 • n=5 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
4 Participants
n=7 Participants
8 Participants
n=5 Participants
Sex: Female, Male
Male
7 Participants
n=5 Participants
7 Participants
n=7 Participants
14 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
11 Participants
n=5 Participants
10 Participants
n=7 Participants
21 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=5 Participants
1 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
White
9 Participants
n=5 Participants
7 Participants
n=7 Participants
16 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
11 participants
n=5 Participants
11 participants
n=7 Participants
22 participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline, 3 months, and one year

Population: All participants were analyzed

Albumin and creatinine concentrations were measured in 24hr urine collections at baseline, 3 months after randomization, and one year after randomization. We analyzed the difference in log-transformed albumin-creatinine ratio (ACR, mg/g) after randomization (3 months and one year, analyzed together with all available data included) compared with baseline, by treatment assignment. Results are transformed to present percent difference in urine ACR.

Outcome measures

Outcome measures
Measure
Cholecalciferol
n=11 Participants
2000 IU by mouth daily for one year
Placebo
n=11 Participants
One softgel daily for one year
Change in Urine Albumin Excretion
-21 percent difference
Interval -50.0 to 23.0
-5 percent difference
Interval -40.0 to 49.0

Adverse Events

Cholecalciferol

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 10 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Cholecalciferol
n=11 participants at risk
2000 IU by mouth daily for one year
Placebo
n=11 participants at risk
One softgel daily for one year
Infections and infestations
sinus infection
0.00%
0/11
9.1%
1/11 • Number of events 1
Musculoskeletal and connective tissue disorders
carpal tunnel syndrome
0.00%
0/11
9.1%
1/11 • Number of events 1
Musculoskeletal and connective tissue disorders
frozen shoulder
0.00%
0/11
9.1%
1/11 • Number of events 1
General disorders
ovarian cyst
0.00%
0/11
9.1%
1/11 • Number of events 1
Infections and infestations
vaginitis
0.00%
0/11
9.1%
1/11 • Number of events 1
General disorders
sleep apnea
0.00%
0/11
9.1%
1/11 • Number of events 1
Infections and infestations
upper respiratory infection
18.2%
2/11 • Number of events 2
18.2%
2/11 • Number of events 2
Musculoskeletal and connective tissue disorders
toe amputation
0.00%
0/11
9.1%
1/11 • Number of events 1
Gastrointestinal disorders
diarrhea
0.00%
0/11
9.1%
1/11 • Number of events 1
Gastrointestinal disorders
fecal incontinence
0.00%
0/11
9.1%
1/11 • Number of events 1
General disorders
dizziness
0.00%
0/11
9.1%
1/11 • Number of events 1
Endocrine disorders
hyperglycemia
0.00%
0/11
9.1%
1/11 • Number of events 2
General disorders
edema
9.1%
1/11 • Number of events 2
9.1%
1/11 • Number of events 1
Cardiac disorders
elevated blood pressure
0.00%
0/11
9.1%
1/11 • Number of events 1
Musculoskeletal and connective tissue disorders
shoulder pain
0.00%
0/11
18.2%
2/11 • Number of events 4
Cardiac disorders
low blood pressure
0.00%
0/11
9.1%
1/11 • Number of events 1
General disorders
lack of energy
0.00%
0/11
9.1%
1/11 • Number of events 1
Psychiatric disorders
decreased mood
9.1%
1/11 • Number of events 1
9.1%
1/11 • Number of events 1
Musculoskeletal and connective tissue disorders
knee pain
0.00%
0/11
9.1%
1/11 • Number of events 1
Psychiatric disorders
anhedonia
0.00%
0/11
9.1%
1/11 • Number of events 1
Injury, poisoning and procedural complications
burned throat
0.00%
0/11
9.1%
1/11 • Number of events 1
General disorders
cough
27.3%
3/11 • Number of events 3
0.00%
0/11
Ear and labyrinth disorders
ear infection
9.1%
1/11 • Number of events 1
0.00%
0/11
General disorders
rash
18.2%
2/11 • Number of events 2
0.00%
0/11
General disorders
dyspnea
0.00%
0/11
9.1%
1/11 • Number of events 1
General disorders
abdominal swelling
9.1%
1/11 • Number of events 3
0.00%
0/11
Eye disorders
glaucoma
9.1%
1/11 • Number of events 1
0.00%
0/11
Immune system disorders
multiple sclerosis flair
9.1%
1/11 • Number of events 2
0.00%
0/11
Infections and infestations
cellulitis
9.1%
1/11 • Number of events 2
0.00%
0/11
General disorders
endovenous laser treatment
9.1%
1/11 • Number of events 1
0.00%
0/11
Musculoskeletal and connective tissue disorders
trigger finger
9.1%
1/11 • Number of events 1
0.00%
0/11

Additional Information

Dr. Ian de Boer

University of Washington

Phone: 206-616-5403

Results disclosure agreements

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