Trial Outcomes & Findings for Fibroblast Specific Inhibition of LOXL2 and TGFbeta1 Signaling in Patients With Pulmonary Fibrosis. (NCT NCT03928847)

NCT ID: NCT03928847

Last Updated: 2022-12-22

Results Overview

EGCG plasma levels in healthy volunteers were measured at 0, 0.5, 2, and 4 hours after a single dose at 450 mg, 600 mg, or 750 mg dosage by liquid chromatography-mass spectrometry (LC-MS).

Recruitment status

COMPLETED

Study phase

EARLY_PHASE1

Target enrollment

35 participants

Primary outcome timeframe

0, 0.5, 2, 4 hours after EGCG

Results posted on

2022-12-22

Participant Flow

Healthy volunteer recruitment started in 12/1/2017 and ended in 3/30/2018. Subjects were recruited from UCSF community. Advertisements were posted around the campus. Patients recruitment started in 6/1/2018 and ended in 12/20/2018. Subjects were recruited from UCSF and UC Davis ILD clinics.

Participant milestones

Participant milestones
Measure
EGCG PK in Healthy Volunteers 450 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 450 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth (3 capsules)
EGCG PK in Healthy Volunteers 600 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 600 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth (3 capsules)
EGCG PK in Healthy Volunteers 750 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 750 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth (3 capsules)
No Treatment Control in ILD Patients
None EGCG treated control ILD patients
EGCG Treatment in ILD Patients
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Patients: 600 mg EGCG capsules once daily by mouth for two weeks (4 capsules once daily)
Overall Study
STARTED
5
5
5
10
10
Overall Study
COMPLETED
5
5
5
10
10
Overall Study
NOT COMPLETED
0
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Fibroblast Specific Inhibition of LOXL2 and TGFbeta1 Signaling in Patients With Pulmonary Fibrosis.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
EGCG PK in Healthy Volunteers 450 mg
n=5 Participants
Healthy volunteers: 450 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth Epigallocatechin-3-gallate (EGCG): 3 EGCG capsules
EGCG PK in Healthy Volunteers 600 mg
n=5 Participants
Healthy volunteers: 600 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth Epigallocatechin-3-gallate (EGCG): 4 EGCG capsules
EGCG PK in Healthy Volunteers 750 mg
n=5 Participants
Healthy volunteers: 750 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth Epigallocatechin-3-gallate (EGCG): 5 EGCG capsules
No Treatment Control in ILD Patients
n=10 Participants
ILD patients that were not treated with EGCG are used as controls.
EGCG Treatment in ILD Patients
n=10 Participants
Patients: 600 mg EGCG capsules once daily by mouth for two weeks Epigallocatechin-3-gallate (EGCG): 4 EGCG capsules
Total
n=35 Participants
Total of all reporting groups
Age, Customized
64 years
n=5 Participants
62 years
n=7 Participants
68 years
n=5 Participants
64 years
n=4 Participants
65 years
n=21 Participants
64 years
n=8 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
5 Participants
n=4 Participants
6 Participants
n=21 Participants
20 Participants
n=8 Participants
Sex: Female, Male
Male
2 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
5 Participants
n=4 Participants
4 Participants
n=21 Participants
15 Participants
n=8 Participants
Race (NIH/OMB)
American Indian or Alaska Native
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
0 Participants
n=8 Participants
Race (NIH/OMB)
Asian
3 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
4 Participants
n=4 Participants
1 Participants
n=21 Participants
12 Participants
n=8 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
0 Participants
n=4 Participants
0 Participants
n=21 Participants
0 Participants
n=8 Participants
Race (NIH/OMB)
Black or African American
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
0 Participants
n=8 Participants
Race (NIH/OMB)
White
2 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
6 Participants
n=4 Participants
9 Participants
n=21 Participants
23 Participants
n=8 Participants
Race (NIH/OMB)
More than one race
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
0 Participants
n=8 Participants
Race (NIH/OMB)
Unknown or Not Reported
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
0 Participants
n=8 Participants
Region of Enrollment
United States
5 participants
n=5 Participants
5 participants
n=7 Participants
5 participants
n=5 Participants
6 participants
n=4 Participants
10 participants
n=21 Participants
31 participants
n=8 Participants
Region of Enrollment
South Korea
0 participants
n=5 Participants
0 participants
n=7 Participants
0 participants
n=5 Participants
4 participants
n=4 Participants
0 participants
n=21 Participants
4 participants
n=8 Participants
High-resolution computed tomography (HRCT) imaging indicative of lung fibrosis
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
10 Participants
n=4 Participants
10 Participants
n=21 Participants
20 Participants
n=8 Participants

PRIMARY outcome

Timeframe: 0, 0.5, 2, 4 hours after EGCG

EGCG plasma levels in healthy volunteers were measured at 0, 0.5, 2, and 4 hours after a single dose at 450 mg, 600 mg, or 750 mg dosage by liquid chromatography-mass spectrometry (LC-MS).

Outcome measures

Outcome measures
Measure
EGCG PK in Healthy Volunteers 450 mg
n=5 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 450 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
ECGC PK in Healthy Volunteers 600 mg
n=5 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 600 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
EGCG PK in Healthy Volunteers 750 mg
n=5 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 750 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
EGCG PK Level in Healthy Volunteers
0 hour after EGCG
NA nM
Standard Deviation NA
below the level of detection
NA nM
Standard Deviation NA
below the level of detection
NA nM
Standard Deviation NA
below the level of detection
EGCG PK Level in Healthy Volunteers
0.5 hour after EGCG
861 nM
Standard Deviation 761
612 nM
Standard Deviation 531
3126 nM
Standard Deviation 4159
EGCG PK Level in Healthy Volunteers
2 hours after EGCG
1136 nM
Standard Deviation 666
2266 nM
Standard Deviation 2174
1582 nM
Standard Deviation 536
EGCG PK Level in Healthy Volunteers
4 hours after EGCG
659 nM
Standard Deviation 640
741 nM
Standard Deviation 226
702 nM
Standard Deviation 293

PRIMARY outcome

Timeframe: Day 1 to day 14

Population: Serum biomarker COMP was measured by ELISA and compared before and after EGCG treatment.

Change from baseline to day 14 in serum biomarkers associated with IPF, Cartilage Oligomeric Matrix Protein (COMP) measured by ELISA.

Outcome measures

Outcome measures
Measure
EGCG PK in Healthy Volunteers 450 mg
n=10 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 450 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
ECGC PK in Healthy Volunteers 600 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 600 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
EGCG PK in Healthy Volunteers 750 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 750 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
Change of Serum Biomarker COMP Before and After EGCG Treatment in ILD Patients
Before EGCG treatment
137.2 ng/ml
Standard Deviation 53.8
Change of Serum Biomarker COMP Before and After EGCG Treatment in ILD Patients
After EGCG treatment
97.9 ng/ml
Standard Deviation 26.9

PRIMARY outcome

Timeframe: Day 1 to day 14

Population: Serum biomarker Periostin was measured by ELISA and compared before and after EGCG treatment.

Change from baseline to day 14 in serum biomarkers associated with IPF, Periostin measured by ELISA.

Outcome measures

Outcome measures
Measure
EGCG PK in Healthy Volunteers 450 mg
n=10 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 450 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
ECGC PK in Healthy Volunteers 600 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 600 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
EGCG PK in Healthy Volunteers 750 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 750 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
Change of Serum Biomarker Periostin Before and After EGCG Treatment in ILD Patients
After EGCG treatment
35.2 ng/ml
Standard Deviation 11.7
Change of Serum Biomarker Periostin Before and After EGCG Treatment in ILD Patients
Before EGCG treatment
41.9 ng/ml
Standard Deviation 15.9

PRIMARY outcome

Timeframe: 14 days

Levels of biomarker Snail1 in lung biopsy tissues 14 days after EGCG were measured by western blot and differences were compared between EGCG-treated and non-treated groups.

Outcome measures

Outcome measures
Measure
EGCG PK in Healthy Volunteers 450 mg
n=10 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 450 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
ECGC PK in Healthy Volunteers 600 mg
n=10 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 600 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
EGCG PK in Healthy Volunteers 750 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 750 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
Difference of Biomarker Snail1 Between EGCG-treated and Non-treated Patient Groups
0.825 percentage of reference sample
Standard Deviation 0.332
0.132 percentage of reference sample
Standard Deviation 0.098

PRIMARY outcome

Timeframe: 14 days

Levels of biomarker Collagen I in lung biopsy tissues 14 days after EGCG were measured by western blot and differences were compared between EGCG-treated and non-treated groups.

Outcome measures

Outcome measures
Measure
EGCG PK in Healthy Volunteers 450 mg
n=10 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 450 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
ECGC PK in Healthy Volunteers 600 mg
n=10 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 600 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
EGCG PK in Healthy Volunteers 750 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 750 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
Difference of Biomarker Collagen I Between EGCG-treated and Non-treated Patient Groups
0.894 percentage of reference sample
Standard Deviation 0.375
0.136 percentage of reference sample
Standard Deviation 0.058

PRIMARY outcome

Timeframe: 14 days

Levels of biomarker p-Smad3 in lung biopsy tissues 14 days after EGCG were measured by western blot and differences were compared between EGCG-treated and non-treated groups.

Outcome measures

Outcome measures
Measure
EGCG PK in Healthy Volunteers 450 mg
n=10 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 450 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
ECGC PK in Healthy Volunteers 600 mg
n=10 Participants
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 600 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
EGCG PK in Healthy Volunteers 750 mg
Teavigo EGCG capsule containing 94% EGCG, 150 mg EGCG/capsule Healthy volunteers: 750 mg Epigallocatechin-3-gallate (EGCG) capsules administered once daily by mouth
Difference of Biomarker p-Smad3 Between EGCG-treated and Non-treated Patient Groups
0.913 percentage of reference sample
Standard Deviation 0.201
0.284 percentage of reference sample
Standard Deviation 0.126

Adverse Events

EGCG PK in Healthy Volunteers 450 mg

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

EGCG PK in Healthy Volunteers 600 mg

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

EGCG PK in Healthy Volunteers 750 mg

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

No Treatment Control in ILD Patients

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

EGCG Treatment in ILD Patients

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

Harold A. Chapman, M.D.

University of California at San Francisco

Phone: 415-514-1210

Results disclosure agreements

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