Trial Outcomes & Findings for The Effect of N-Acetyl-L-Cysteine, on Inflammatory and Oxidative Stress Markers in Pulmonary Sarcoidosis (NCT NCT01587001)

NCT ID: NCT01587001

Last Updated: 2020-11-04

Results Overview

Baseline peripheral blood mononuclear cells and bronchoalveolar lavage (BAL) lymphocyte percentages and lipopolysaccharide (LPS) stimulated tumor necrosis factor-α levels (pg/ml)

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

17 participants

Primary outcome timeframe

8 weeks of anti-oxidant therapy

Results posted on

2020-11-04

Participant Flow

Participant milestones

Participant milestones
Measure
Oral N-acetyl-cysteine
N-acetyl-cysteine: 900mg three times daily for 8 weeks
Matching Placebo
Placebo: Matching placebo three times daily for 8 weeks.
Overall Study
STARTED
14
3
Overall Study
COMPLETED
8
2
Overall Study
NOT COMPLETED
6
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Oral N-acetyl-cysteine
N-acetyl-cysteine: 900mg three times daily for 8 weeks
Matching Placebo
Placebo: Matching placebo three times daily for 8 weeks.
Overall Study
Lost to Follow-up
2
0
Overall Study
Insufficient samples to complete testing
4
1

Baseline Characteristics

The Effect of N-Acetyl-L-Cysteine, on Inflammatory and Oxidative Stress Markers in Pulmonary Sarcoidosis

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Oral N-acetyl-cysteine
n=11 Participants
oral NAC 900mg three times daily for 8 weeks N-acetyl-cysteine: 900mg three times daily for 8 weeks
Matching Placebo
n=3 Participants
Placebo: Matching placebo three times daily for 8 weeks.
Total
n=14 Participants
Total of all reporting groups
Age, Continuous
56 years
STANDARD_DEVIATION 9 • n=5 Participants
52 years
STANDARD_DEVIATION 13 • n=7 Participants
53 years
STANDARD_DEVIATION 11 • n=5 Participants
Sex: Female, Male
Female
5 Participants
n=5 Participants
2 Participants
n=7 Participants
7 Participants
n=5 Participants
Sex: Female, Male
Male
6 Participants
n=5 Participants
1 Participants
n=7 Participants
7 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
11 Participants
n=5 Participants
3 Participants
n=7 Participants
14 Participants
n=5 Participants
Region of Enrollment
United States
11 participants
n=5 Participants
3 participants
n=7 Participants
14 participants
n=5 Participants

PRIMARY outcome

Timeframe: 8 weeks of anti-oxidant therapy

Baseline peripheral blood mononuclear cells and bronchoalveolar lavage (BAL) lymphocyte percentages and lipopolysaccharide (LPS) stimulated tumor necrosis factor-α levels (pg/ml)

Outcome measures

Outcome measures
Measure
Oral N-acetyl-cysteine
n=8 Participants
N-acetyl-cysteine: 900mg three times daily for 8 weeks
Matching Placebo
n=2 Participants
Placebo: Matching placebo three times daily for 8 weeks.
Bronchoalveolar Lavage (BAL) and Peripheral Blood Mononuclear Cells (PBMC) TNF-α Levels
Mean baseline BAL cell TNF-a
40767 pg/ml
Standard Deviation 25684
39938 pg/ml
Standard Deviation 12033
Bronchoalveolar Lavage (BAL) and Peripheral Blood Mononuclear Cells (PBMC) TNF-α Levels
Mean follow-up BAL cell TNF-a
45176 pg/ml
Standard Deviation 17910
25671 pg/ml
Standard Deviation 12203
Bronchoalveolar Lavage (BAL) and Peripheral Blood Mononuclear Cells (PBMC) TNF-α Levels
Mean baseline PBMC cell TNF-a
2775 pg/ml
Standard Deviation 2292
637 pg/ml
Standard Deviation 404
Bronchoalveolar Lavage (BAL) and Peripheral Blood Mononuclear Cells (PBMC) TNF-α Levels
Mean follow-up PBMC cell TNF-a
3387 pg/ml
Standard Deviation 2481
969 pg/ml
Standard Deviation 135

SECONDARY outcome

Timeframe: 8 weeks of anti-oxidant therapy

We measured changes at baseline and at 8 weeks in BAL whole cell total GSH levels and cellular 8-OHdG before and after treatment with NAC/placebo.

Outcome measures

Outcome measures
Measure
Oral N-acetyl-cysteine
n=8 Participants
N-acetyl-cysteine: 900mg three times daily for 8 weeks
Matching Placebo
n=2 Participants
Placebo: Matching placebo three times daily for 8 weeks.
Bronchoalveolar Lavage (BAL) Cell Glutathione (GSH) Levels
Baseline visit
5.93 nmol/mg protein
Standard Deviation 2.94
9.39 nmol/mg protein
Standard Deviation 2.06
Bronchoalveolar Lavage (BAL) Cell Glutathione (GSH) Levels
8 week visit
9.42 nmol/mg protein
Standard Deviation 3.64
4.28 nmol/mg protein
Standard Deviation 0.12

Adverse Events

Oral N-acetyl-cysteine

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

Matching Placebo

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Nabeel Hamzeh

National Jewish Health

Phone: 303-270-2613

Results disclosure agreements

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