Trial Outcomes & Findings for Studying the Treatment Effect of Pirfenidone in Chronic Lung Allograft Dysfunction (STOP-CLAD) (NCT NCT03473340)

NCT ID: NCT03473340

Last Updated: 2022-08-17

Results Overview

Evaluate if pirfenidone compared to placebo will stabilize progression of fSAD by comparison of inspiratory and expiratory high resolution computed tomography (HRCT) images through co-registration to provide quantitative measures of fSAD.

Recruitment status

TERMINATED

Study phase

PHASE2

Target enrollment

24 participants

Primary outcome timeframe

Baseline, 24 weeks

Results posted on

2022-08-17

Participant Flow

Participant milestones

Participant milestones
Measure
Pirfenidone Capsule
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Overall Study
STARTED
13
11
Overall Study
COMPLETED
8
9
Overall Study
NOT COMPLETED
5
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Pirfenidone Capsule
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Overall Study
Follow up not possible due to COVID restrictions
3
0
Overall Study
Withdrawal by Subject
1
0
Overall Study
Lost to Follow-up
1
2

Baseline Characteristics

Studying the Treatment Effect of Pirfenidone in Chronic Lung Allograft Dysfunction (STOP-CLAD)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Pirfenidone Capsule
n=13 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
n=11 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Total
n=24 Participants
Total of all reporting groups
Age, Continuous
59.6 years
STANDARD_DEVIATION 11.6 • n=5 Participants
57.5 years
STANDARD_DEVIATION 13.5 • n=7 Participants
58.6 years
STANDARD_DEVIATION 12.3 • n=5 Participants
Sex: Female, Male
Female
10 Participants
n=5 Participants
2 Participants
n=7 Participants
12 Participants
n=5 Participants
Sex: Female, Male
Male
3 Participants
n=5 Participants
9 Participants
n=7 Participants
12 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
13 Participants
n=5 Participants
11 Participants
n=7 Participants
24 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
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
White
12 Participants
n=5 Participants
11 Participants
n=7 Participants
23 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
13 Participants
n=5 Participants
11 Participants
n=7 Participants
24 Participants
n=5 Participants
Lung Function FEV 1, FVC,
FEV1
1.400769 liters
STANDARD_DEVIATION 0.5887057 • n=5 Participants
1.410909 liters
STANDARD_DEVIATION 0.4713906 • n=7 Participants
1.41 liters
STANDARD_DEVIATION 0.527 • n=5 Participants
Lung Function FEV 1, FVC,
FVC
2.544615 liters
STANDARD_DEVIATION 0.8378904 • n=5 Participants
2.517273 liters
STANDARD_DEVIATION 0.7226353 • n=7 Participants
2.53 liters
STANDARD_DEVIATION 0.77 • n=5 Participants
CLAD Phenotype
FEV1 First Decline
5 Participants
n=5 Participants
4 Participants
n=7 Participants
9 Participants
n=5 Participants
CLAD Phenotype
Concurrent FEV1 and FVC Decline
8 Participants
n=5 Participants
7 Participants
n=7 Participants
15 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Baseline, 24 weeks

Population: Baseline measures taken from all participants. Post treatment percentage measurements taken only from participants who completed the study.

Evaluate if pirfenidone compared to placebo will stabilize progression of fSAD by comparison of inspiratory and expiratory high resolution computed tomography (HRCT) images through co-registration to provide quantitative measures of fSAD.

Outcome measures

Outcome measures
Measure
Pirfenidone Capsule
n=13 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
n=11 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Change in Percent of Functional Small Airways Disease (fSAD) as Measured by Parametric Response Mapping
Baseline percentage fSAD
14.21 percentage of change of fsad
Standard Deviation 8.80
11.90 percentage of change of fsad
Standard Deviation 13.08
Change in Percent of Functional Small Airways Disease (fSAD) as Measured by Parametric Response Mapping
Post treatment percentage fSAD
17.10 percentage of change of fsad
Standard Deviation 6.43
10.62 percentage of change of fsad
Standard Deviation 9.25
Change in Percent of Functional Small Airways Disease (fSAD) as Measured by Parametric Response Mapping
Net change
-5.8620625 percentage of change of fsad
Standard Deviation 6.636287
0.4497328 percentage of change of fsad
Standard Deviation 10.91197

SECONDARY outcome

Timeframe: Baseline, 24 weeks

Population: Baseline measures taken from all participants. Post treatment percentage measurements taken only from participants with available FEV1 results at 24-week mark.

Measured by spirometry

Outcome measures

Outcome measures
Measure
Pirfenidone Capsule
n=13 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
n=11 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Change in Forced Expiratory Volume 1 Over 24 Weeks (FEV1)
Change in FEV1
-0.12 liters
Standard Deviation 0.13
-0.09 liters
Standard Deviation 0.30
Change in Forced Expiratory Volume 1 Over 24 Weeks (FEV1)
Baseline FEV1
1.40 liters
Standard Deviation 0.59
1.41 liters
Standard Deviation 0.47
Change in Forced Expiratory Volume 1 Over 24 Weeks (FEV1)
24 week FEV1
1.36 liters
Standard Deviation 0.57
1.35 liters
Standard Deviation 0.54

SECONDARY outcome

Timeframe: Baseline, 24 weeks

Population: Baseline measures taken from all participants. Post treatment percentage measurements taken only from participants with available FVC results at 24-week mark.

Measured by spirometry

Outcome measures

Outcome measures
Measure
Pirfenidone Capsule
n=13 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
n=11 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Change in Forced Vital Capacity (FVC) Over 24 Weeks
Baseline FVC
2.54 liters
Standard Deviation 0.84
2.52 liters
Standard Deviation 0.72
Change in Forced Vital Capacity (FVC) Over 24 Weeks
24-week FVC
2.52 liters
Standard Deviation 0.87
2.36 liters
Standard Deviation 0.86
Change in Forced Vital Capacity (FVC) Over 24 Weeks
Change in FVC
-0.06 liters
Standard Deviation 0.25
-0.12 liters
Standard Deviation 0.40

SECONDARY outcome

Timeframe: 28 weeks

Safety of pirfenidone will be measured by adverse events determined to be related to the study drug through review of medical history, physical exam and laboratory findings.

Outcome measures

Outcome measures
Measure
Pirfenidone Capsule
n=13 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
n=11 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Number of Adverse Events Related to Study Treatment
AE Definitely Related
0 Adverse Events
0 Adverse Events
Number of Adverse Events Related to Study Treatment
AE Probably Related
4 Adverse Events
0 Adverse Events
Number of Adverse Events Related to Study Treatment
AE Possibly Related
15 Adverse Events
10 Adverse Events
Number of Adverse Events Related to Study Treatment
AE Unlikely to be Related
8 Adverse Events
10 Adverse Events
Number of Adverse Events Related to Study Treatment
AE Definitely Not Related
1 Adverse Events
12 Adverse Events

SECONDARY outcome

Timeframe: 24 weeks

Subjects permanently discontinuing study medication before 24 weeks

Outcome measures

Outcome measures
Measure
Pirfenidone Capsule
n=13 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
n=11 Participants
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Number of Subjects With Treatment Intolerance
Drug Discontinued
1 Participants
1 Participants
Number of Subjects With Treatment Intolerance
Drug Not Discontinued, but Held or Dose Reduced
5 Participants
3 Participants
Number of Subjects With Treatment Intolerance
Drug Tolerated
4 Participants
6 Participants

Adverse Events

Pirfenidone Capsule

Serious events: 0 serious events
Other events: 11 other events
Deaths: 0 deaths

Placebo Capsule

Serious events: 4 serious events
Other events: 9 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Pirfenidone Capsule
n=13 participants at risk
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
n=11 participants at risk
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Infections and infestations
C. difficile colitis
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Infections and infestations
Respiratory infection
0.00%
0/13 • 28 weeks from start of treatment
18.2%
2/11 • 28 weeks from start of treatment
Infections and infestations
Urinary tract infection
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Metabolism and nutrition disorders
Hyponatremia
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment

Other adverse events

Other adverse events
Measure
Pirfenidone Capsule
n=13 participants at risk
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Pirfenidone Capsule: Dosing: Days 1 through 7, 267 mg three times daily; Days 8 through 14, 534 mg three times daily; Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
Placebo Capsule
n=11 participants at risk
Method of Administration: Oral (capsule) Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily Placebo Capsule: Dosing: * Days 1 through 7, 267 mg three times daily; * Days 8 through 14, 534 mg three times daily; * Days 15 through end of treatment (24 weeks), 801 mg three times daily duration: 24 weeks
General disorders
Edema
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
General disorders
Fatigue
7.7%
1/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
General disorders
Fever
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
General disorders
Headache
15.4%
2/13 • 28 weeks from start of treatment
0.00%
0/11 • 28 weeks from start of treatment
General disorders
Leukocytosis
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
General disorders
Lightheadedness/syncope
7.7%
1/13 • 28 weeks from start of treatment
0.00%
0/11 • 28 weeks from start of treatment
General disorders
Myalgias
7.7%
1/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
General disorders
Sleep disturbance
7.7%
1/13 • 28 weeks from start of treatment
0.00%
0/11 • 28 weeks from start of treatment
General disorders
Weight gain
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Gastrointestinal disorders
Belching
7.7%
1/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Gastrointestinal disorders
Constipation
7.7%
1/13 • 28 weeks from start of treatment
0.00%
0/11 • 28 weeks from start of treatment
Gastrointestinal disorders
Diarrhea
30.8%
4/13 • 28 weeks from start of treatment
27.3%
3/11 • 28 weeks from start of treatment
Gastrointestinal disorders
Dysphagia
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Gastrointestinal disorders
Gastroesophageal reflux disease
23.1%
3/13 • 28 weeks from start of treatment
0.00%
0/11 • 28 weeks from start of treatment
Gastrointestinal disorders
Gastrointestinal upset
15.4%
2/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Gastrointestinal disorders
Nausea
61.5%
8/13 • 28 weeks from start of treatment
18.2%
2/11 • 28 weeks from start of treatment
Hepatobiliary disorders
Liver function test abnormalities
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Infections and infestations
Respiratory infection
7.7%
1/13 • 28 weeks from start of treatment
18.2%
2/11 • 28 weeks from start of treatment
Skin and subcutaneous tissue disorders
Acne
7.7%
1/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Skin and subcutaneous tissue disorders
Dry eyes
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Skin and subcutaneous tissue disorders
Dry skin
0.00%
0/13 • 28 weeks from start of treatment
18.2%
2/11 • 28 weeks from start of treatment
Skin and subcutaneous tissue disorders
Facial hair growth
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Skin and subcutaneous tissue disorders
Rash
7.7%
1/13 • 28 weeks from start of treatment
0.00%
0/11 • 28 weeks from start of treatment
Skin and subcutaneous tissue disorders
Salty lips
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Respiratory, thoracic and mediastinal disorders
Dyspnea
7.7%
1/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Respiratory, thoracic and mediastinal disorders
Respiratory congestion
7.7%
1/13 • 28 weeks from start of treatment
18.2%
2/11 • 28 weeks from start of treatment
Cardiac disorders
Atrial fibrillation
7.7%
1/13 • 28 weeks from start of treatment
0.00%
0/11 • 28 weeks from start of treatment
Cardiac disorders
Chest pain
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Renal and urinary disorders
Acute kidney injury
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment
Renal and urinary disorders
Overactive bladder
0.00%
0/13 • 28 weeks from start of treatment
9.1%
1/11 • 28 weeks from start of treatment

Additional Information

VIbha Lama

University of Michigan

Phone: 734-936-5010

Results disclosure agreements

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