Trial Outcomes & Findings for Targeting INflammation Using SALsalate in Type 2 Diabetes (TINSAL-T2D) (NCT NCT00392678)

NCT ID: NCT00392678

Last Updated: 2019-04-08

Results Overview

The primary outcome for the TINSAL-T2D study is change in HbA1c level from baseline to week 14 (stage 1) in the intent-to-treat (ITT) population with last observation carried forward.

Recruitment status

COMPLETED

Study phase

PHASE2/PHASE3

Target enrollment

277 participants

Primary outcome timeframe

14 week

Results posted on

2019-04-08

Participant Flow

3 private practices and 14 universities. First patient recruited February 2007; last patient end of study visit, May 2008

Screening, followed by 4-week single mask placebo lead-in. 277 participants signed screening consent. Some participants were ineligible, some withdrew consent, and some had treatment side effects during placebo lead-in.

Participant milestones

Participant milestones
Measure
3 Gram
Salsalate 3.0 g daily, divided
3.5 Gram
Salsalate 3.5 g daily, divided
4 Gram
Salsalate 4.0 g daily, divided
Placebo
Matched by appearance to active drug
Overall Study
STARTED
27
27
27
27
Overall Study
COMPLETED
27
26
25
26
Overall Study
NOT COMPLETED
0
1
2
1

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Targeting INflammation Using SALsalate in Type 2 Diabetes (TINSAL-T2D)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
3 Gram
n=27 Participants
Salsalate 3.0 g daily, divided
3.5 Gram
n=27 Participants
Salsalate 3.5 g daily, divided
4 Gram
n=27 Participants
Salsalate 4.0 g daily, divided
Placebo
n=27 Participants
matched to active drug
Total
n=108 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
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Age, Categorical
Between 18 and 65 years
23 Participants
n=5 Participants
22 Participants
n=7 Participants
24 Participants
n=5 Participants
22 Participants
n=4 Participants
91 Participants
n=21 Participants
Age, Categorical
>=65 years
4 Participants
n=5 Participants
5 Participants
n=7 Participants
3 Participants
n=5 Participants
5 Participants
n=4 Participants
17 Participants
n=21 Participants
Age, Continuous
55.4 years
STANDARD_DEVIATION 9.4 • n=5 Participants
56.7 years
STANDARD_DEVIATION 9.8 • n=7 Participants
55.0 years
STANDARD_DEVIATION 10.2 • n=5 Participants
55.9 years
STANDARD_DEVIATION 8.2 • n=4 Participants
56 years
STANDARD_DEVIATION 9 • n=21 Participants
Sex: Female, Male
Female
13 Participants
n=5 Participants
9 Participants
n=7 Participants
11 Participants
n=5 Participants
12 Participants
n=4 Participants
45 Participants
n=21 Participants
Sex: Female, Male
Male
14 Participants
n=5 Participants
18 Participants
n=7 Participants
16 Participants
n=5 Participants
15 Participants
n=4 Participants
63 Participants
n=21 Participants
Region of Enrollment
United States
27 participants
n=5 Participants
27 participants
n=7 Participants
27 participants
n=5 Participants
27 participants
n=4 Participants
108 participants
n=21 Participants

PRIMARY outcome

Timeframe: 14 week

The primary outcome for the TINSAL-T2D study is change in HbA1c level from baseline to week 14 (stage 1) in the intent-to-treat (ITT) population with last observation carried forward.

Outcome measures

Outcome measures
Measure
3.0 g/d
n=27 Participants
Salsalate 3.0 g/d, divided
3.5 g/d
n=26 Participants
Salsalate 3.5 g/d, divided
4.0 g/d
n=25 Participants
Salsalate 4.0 g/d, divided
Placebo
n=26 Participants
Placebo matched to active drug
Change in HbA1c Baseline to End of Trial in TINSAL-T2D Stage 1
-0.36 % (units of HbA1c)
Interval -0.55 to -0.17
-0.34 % (units of HbA1c)
Interval -0.54 to -0.15
-0.49 % (units of HbA1c)
Interval -0.69 to -0.3
-0.01 % (units of HbA1c)
Interval -0.2 to 0.19

SECONDARY outcome

Timeframe: 14 week

Change from baseline to either 14 or 26 weeks, or last HbA1c measurement prior to rescue therapy

Outcome measures

Outcome measures
Measure
3.0 g/d
n=26 Participants
Salsalate 3.0 g/d, divided
3.5 g/d
n=27 Participants
Salsalate 3.5 g/d, divided
4.0 g/d
n=26 Participants
Salsalate 4.0 g/d, divided
Placebo
n=25 Participants
Placebo matched to active drug
Change in HbA1c
0 % HbA1c
Interval -0.2 to 0.2
-0.4 % HbA1c
Interval -0.6 to -0.2
-0.3 % HbA1c
Interval -0.5 to -0.2
-0.5 % HbA1c
Interval -0.7 to -0.3

SECONDARY outcome

Timeframe: 14 week

Outcome measures

Outcome measures
Measure
3.0 g/d
n=26 Participants
Salsalate 3.0 g/d, divided
3.5 g/d
n=27 Participants
Salsalate 3.5 g/d, divided
4.0 g/d
n=26 Participants
Salsalate 4.0 g/d, divided
Placebo
n=25 Participants
Placebo matched to active drug
Change From Baseline and Trends in Fasting Glucose Over Time
13 mg/dl
Interval 2.0 to 24.0
-19 mg/dl
Interval -30.0 to -8.0
-14 mg/dl
Interval -25.0 to -3.0
-15 mg/dl
Interval -26.0 to -4.0

SECONDARY outcome

Timeframe: 14 week

Change in lipids (low-density lipoprotein cholesterol \[LDL-C\], non-high-density lipoprotein cholesterol \[non-HDL-C\], triglycerides \[TG\], total cholesterol \[TC\], high-density lipoprotein cholesterol \[HDL C\], TC/HDL-C ratio, and LDL-C/HDL-C ratio) LDL-C/HDL-C ratio not calculated

Outcome measures

Outcome measures
Measure
3.0 g/d
n=26 Participants
Salsalate 3.0 g/d, divided
3.5 g/d
n=27 Participants
Salsalate 3.5 g/d, divided
4.0 g/d
n=26 Participants
Salsalate 4.0 g/d, divided
Placebo
n=27 Participants
Placebo matched to active drug
Change in Lipids
Cholesterol
0 mg/dl
Interval -7.0 to 8.0
8 mg/dl
Interval 1.0 to 16.0
-1 mg/dl
Interval -9.0 to 7.0
6 mg/dl
Interval -1.0 to 14.0
Change in Lipids
HDL
0 mg/dl
Interval -2.0 to 1.0
3 mg/dl
Interval 1.0 to 4.0
1 mg/dl
Interval -1.0 to 3.0
2 mg/dl
Interval 0.0 to 4.0
Change in Lipids
LDL
0 mg/dl
Interval -7.0 to 6.0
15 mg/dl
Interval 9.0 to 22.0
3 mg/dl
Interval -3.0 to 10.0
8 mg/dl
Interval 2.0 to 15.0
Change in Lipids
TG
15 mg/dl
Interval -6.0 to 36.0
-34 mg/dl
Interval -55.0 to -13.0
-22 mg/dl
Interval -43.0 to 0.0
-16 mg/dl
Interval -38.0 to 5.0
Change in Lipids
Total to HDL ratio
0 mg/dl
Interval -0.2 to 0.3
0.1 mg/dl
Interval -0.1 to 0.4
-0.1 mg/dl
Interval -0.3 to 0.2
0.2 mg/dl
Interval -0.1 to 0.4

SECONDARY outcome

Timeframe: Baseline, week 14

HOMA-IR was not calcuated due to potential confounding effect of salicylates to inhibit insulin clearance. Change in insulin from Baseline to Week 14 in data table below.

Outcome measures

Outcome measures
Measure
3.0 g/d
n=26 Participants
Salsalate 3.0 g/d, divided
3.5 g/d
n=27 Participants
Salsalate 3.5 g/d, divided
4.0 g/d
n=26 Participants
Salsalate 4.0 g/d, divided
Placebo
n=25 Participants
Placebo matched to active drug
Change From Baseline in 14-week Insulin, C-peptide, Homeostasis Model [HOMA] Index
-3.0 pmol/l
Interval -39.0 to 33.0
15 pmol/l
Interval 12.0 to 42.0
7.6 pmol/l
Interval -21.4 to 36.6
27 pmol/l
Interval -31.0 to 85.0

SECONDARY outcome

Timeframe: 14 weeks

See adverse event module for details. Safety and tolerability of salsalate compared to placebo as assessed by adverse events.

Outcome measures

Outcome measures
Measure
3.0 g/d
n=27 Participants
Salsalate 3.0 g/d, divided
3.5 g/d
n=27 Participants
Salsalate 3.5 g/d, divided
4.0 g/d
n=27 Participants
Salsalate 4.0 g/d, divided
Placebo
n=27 Participants
Placebo matched to active drug
Safety and Tolerability
17 participants
16 participants
16 participants
14 participants

SECONDARY outcome

Timeframe: Baseline, week 14

HOMA-IR was not calcuated due to potential confounding effect of salicylates to inhibit insulin clearance. Change in C-peptide from Baseline to Week 14 is in the data table below

Outcome measures

Outcome measures
Measure
3.0 g/d
n=26 Participants
Salsalate 3.0 g/d, divided
3.5 g/d
n=27 Participants
Salsalate 3.5 g/d, divided
4.0 g/d
n=26 Participants
Salsalate 4.0 g/d, divided
Placebo
n=25 Participants
Placebo matched to active drug
Change in Insulin, C-peptide, Homeostasis Model [HOMA] Index
0.10 C-peptide in nmol/l
Interval 0.0 to 0.2
-0.07 C-peptide in nmol/l
Interval -0.17 to 0.01
-0.03 C-peptide in nmol/l
Interval -0.13 to 0.1
0.03 C-peptide in nmol/l
Interval -0.07 to 0.13

Adverse Events

Salsalate 3.0 g/d

Serious events: 1 serious events
Other events: 27 other events
Deaths: 0 deaths

Salsalate 3.5 g/d

Serious events: 2 serious events
Other events: 27 other events
Deaths: 0 deaths

Salsalate 4.0 g/d

Serious events: 0 serious events
Other events: 27 other events
Deaths: 0 deaths

Placebo

Serious events: 1 serious events
Other events: 25 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Salsalate 3.0 g/d
n=27 participants at risk
Active: Salsalate 3.0 g/d
Salsalate 3.5 g/d
n=27 participants at risk
Active: Salsalate 3.5 g/d
Salsalate 4.0 g/d
n=27 participants at risk
Active: Salsalate 4.0 g/d
Placebo
n=27 participants at risk
Identical Placebo
Gastrointestinal disorders
Acute Cholecystitis
3.7%
1/27 • Number of events 1 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
Musculoskeletal and connective tissue disorders
Cervical Disc Herniation
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
3.7%
1/27 • Number of events 1 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
Cardiac disorders
Congestive Heart Failure with Diastolic Dysfunction
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
3.7%
1/27 • Number of events 1 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
Musculoskeletal and connective tissue disorders
Lumbar laminectomy
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
3.7%
1/27 • Number of events 1 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.

Other adverse events

Other adverse events
Measure
Salsalate 3.0 g/d
n=27 participants at risk
Active: Salsalate 3.0 g/d
Salsalate 3.5 g/d
n=27 participants at risk
Active: Salsalate 3.5 g/d
Salsalate 4.0 g/d
n=27 participants at risk
Active: Salsalate 4.0 g/d
Placebo
n=27 participants at risk
Identical Placebo
Cardiac disorders
Cardiorespiratory
14.8%
4/27 • Number of events 5 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
3.7%
1/27 • Number of events 1 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
11.1%
3/27 • Number of events 5 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
11.1%
3/27 • Number of events 7 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
Nervous system disorders
Neurologic
25.9%
7/27 • Number of events 9 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
37.0%
10/27 • Number of events 13 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
29.6%
8/27 • Number of events 8 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
25.9%
7/27 • Number of events 7 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
Gastrointestinal disorders
Gastrointestinal
40.7%
11/27 • Number of events 13 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
29.6%
8/27 • Number of events 8 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
29.6%
8/27 • Number of events 8 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
7.4%
2/27 • Number of events 3 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
Musculoskeletal and connective tissue disorders
Musculoskeletal
29.6%
8/27 • Number of events 10 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
18.5%
5/27 • Number of events 5 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
11.1%
3/27 • Number of events 3 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
25.9%
7/27 • Number of events 9 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
General disorders
General
25.9%
7/27 • Number of events 8 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
14.8%
4/27 • Number of events 4 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
7.4%
2/27 • Number of events 2 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
14.8%
4/27 • Number of events 4 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
Endocrine disorders
Hypoglycemia
18.5%
5/27 • Number of events 63 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
22.2%
6/27 • Number of events 46 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
22.2%
6/27 • Number of events 7 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
7.4%
2/27 • Number of events 2 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
Endocrine disorders
Hyperglycemia
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
0.00%
0/27 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.
7.4%
2/27 • Number of events 7 • Screening, 4 week placebo run in, 14 week treatment.
AE/SAE use standard FDA definition.

Additional Information

Allison B. Goldfine, MD co-investigator

Joslin Diabetes Center

Phone: 617-309-2643

Results disclosure agreements

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