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PT001 MDI Versus Atrovent Study in Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD)

A Randomized, Double-Blind, Chronic Dosing (7 Days), Three-Period, Six-Treatment, Placebo-Controlled, Incomplete Block, Cross-Over, Multi-Center Study to Assess Efficacy and Safety of Four Doses of PT001 in Patients With Moderate to Severe COPD, Compared With Atrovent® HFA Inhalation Aerosol (Open-Label) as An Active Control

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01350128
Enrollment
103
Registered
2011-05-09
Start date
2011-05-01
Completion date
2011-10-01
Last updated
2018-06-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic Obstructive Pulmonary Disease

Keywords

COPD

Brief summary

The overall objective of this study is to determine an optimal dose and dosing regimen of PT001 MDI for further evaluation in later stage studies.

Detailed description

The primary objective of this study is to demonstrate efficacy relative to placebo of PT001 MDI in patients with moderate to severe chronic obstructive pulmonary disease (COPD) within the range of doses evaluated in this protocol. To this end, each dose of PT001 MDI will be compared to placebo with respect to the primary efficacy endpoint, FEV1 AUC0-12 relative to baseline.

Interventions

PT001 MDI administered as two puffs BID for 7 days

DRUGIpratropium Bromide HFA Inhalation Aerosol

Taken as 2 inhalations of the 17 µg per actuation strength MDI QID

OTHERPlacebo MDI

Matching placebo to PT001 MDI administered as two puffs BID for 7 days

Sponsors

Pearl Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
40 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: * Signed written informed consent * 40 - 80 years of age * Clinical history of COPD with airflow limitation that is not fully reversible * Females of non-child bearing potential or females of child bearing potential with negative pregnancy test; and acceptable contraceptive methods * Current/former smokers with at least a 10 pack-year history of cigarette smoking * A measured post- bronchodilator FEV1/FVC ratio of \< or = 0.70 * A measured post- bronchodilator FEV1 \> or = 750ml or 30% predicted and \< or = 80% of predicted normal values * Able to change COPD treatment as required by protocol Key

Exclusion criteria

* Women who are pregnant or lactating * Primary diagnosis of asthma * Alpha-1 antitrypsin deficiency as the cause of COPD * Active pulmonary diseases * Prior lung volume reduction surgery * Abnormal chest X-ray (or CT scan) not due to the presence of COPD * Hospitalized due to poorly controlled COPD within 3 months of Screening * Clinically significant medical conditions that preclude participation in the study (e.g. clinically significant abnormal ECG, uncontrolled hypertension, glaucoma, symptomatic prostatic hypertrophy) * Cancer that has not been in complete remission for at least 5 years * Treatment with investigational study drug or participation in another clinical trial or study within the last 30 days or 5 half lives Other inclusion/

Design outcomes

Primary

MeasureTime frameDescription
FEV1 AUC0-12Day 7 ( -1 hour, -30 min, 15 min, 30 min, 1 hour, 2 hours, 4 hours, 5.5 hours, 6.5 hours, 8 hours, 10 hours, 11.5 hours, and 12 hours)FEV1 AUC0-12 following chronic dosing (1 week), normalized.

Secondary

MeasureTime frameDescription
Time to Onset of Action ( ≥10% Improvement in FEV1) on Day 1Day 1 (15 min, 30 min, 1 hour, 2 hours)Time to onset of action ( ≥10% improvement in FEV1)
Proportion of Subjects Achieving at Least 12% Improvement in FEV1 on Day 1Day 1Proportion of subjects achieving at least 12% improvement in FEV1 (relative to baseline)
Peak Change From Baseline in IC on Day 1Day 1Peak change from baseline in Inspiratory Capacity (IC) on Day 1 (mean of 1 and 2 hours post-dose minus baseline on Day 1)
Peak Change From Baseline in FEV1 on Day 1Day 1Highest value of FEV1 post-dose minus baseline on Day 1 (baseline-adjusted)
Peak Change From Baseline in FEV1 on Day 7Day 7Peak change from baseline in FEV1
Peak Change From Baseline in IC on Day 7Day 7Peak change from baseline in IC
Change From Baseline in 12-hour Post-dose Trough FEV1 on Day 7Day 7Change from baseline in 12-hour post-dose trough FEV1
Change From Baseline in Morning Pre-dose FEV1 on Day 7Day 7Change from baseline in morning pre-dose FEV1

Countries

United States

Participant flow

Recruitment details

Conducted at 9 US sites from May-October 2011. Entire period of study participation per subject was a maximum of 15 weeks. Planned target enrollment of 84 subjects.

Pre-assignment details

This was a chronic dosing study (7 days), 3-period, 6-treatment, incomplete block, crossover study. Each subject received 3 of 6 possible treatments; each treatment period was separated by a washout period 7-28 days. By-treatment sequence tabulations of the data were not pre-specified.

Participants by arm

ArmCount
ITT Population
ITT Population includes all subjects who were randomized, received at least 1 dose of study treatment, and had both baseline and post-baseline efficacy data for that treatment.
103
Total103

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyLost to Follow-up2
Overall StudyPhysician Decision1
Overall StudyProtocol discontinuation criteria8
Overall StudyWithdrawal by Subject3

Baseline characteristics

CharacteristicITT Population
Age, Continuous61.2 years
STANDARD_DEVIATION 8.19
Sex: Female, Male
Female
48 Participants
Sex: Female, Male
Male
55 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —— / —— / —— / —
other
Total, other adverse events
1 / 492 / 494 / 494 / 453 / 481 / 48
serious
Total, serious adverse events
0 / 490 / 490 / 491 / 451 / 480 / 48

Outcome results

Primary

FEV1 AUC0-12

FEV1 AUC0-12 following chronic dosing (1 week), normalized.

Time frame: Day 7 ( -1 hour, -30 min, 15 min, 30 min, 1 hour, 2 hours, 4 hours, 5.5 hours, 6.5 hours, 8 hours, 10 hours, 11.5 hours, and 12 hours)

Population: Modified Intent to Treat (MITT) Population includes subjects who completed at least 2 treatment periods, with minimally 1 pre-dose assessment on Day 7 for each of those 2 treatment periods with no protocol deviations believed to have a potential impact on efficacy results.

ArmMeasureValue (LEAST_SQUARES_MEAN)
PT001 MDI 36 µg BIDFEV1 AUC0-121.477 Liter
PT001 MDI 18 µg BIDFEV1 AUC0-121.497 Liter
PT001 MDI 9 µg BIDFEV1 AUC0-121.443 Liter
PT001 MDI 4.6 µg BIDFEV1 AUC0-121.514 Liter
Ipratropium Bromide HFA Inhalation AerosolFEV1 AUC0-121.465 Liter
Placebo MDI BIDFEV1 AUC0-121.323 Liter
Secondary

Change From Baseline in 12-hour Post-dose Trough FEV1 on Day 7

Change from baseline in 12-hour post-dose trough FEV1

Time frame: Day 7

Population: MITT Population includes subjects who completed at least 2 treatment periods, with minimally 1 pre-dose assessment on Day 7 for each of those 2 treatment periods with no protocol deviations believed to have a potential impact on efficacy results.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PT001 MDI 36 µg BIDChange From Baseline in 12-hour Post-dose Trough FEV1 on Day 70.018 Liters95% Confidence Interval 0.0313
PT001 MDI 18 µg BIDChange From Baseline in 12-hour Post-dose Trough FEV1 on Day 70.079 Liters95% Confidence Interval 0.0304
PT001 MDI 9 µg BIDChange From Baseline in 12-hour Post-dose Trough FEV1 on Day 70.004 Liters95% Confidence Interval 0.0306
PT001 MDI 4.6 µg BIDChange From Baseline in 12-hour Post-dose Trough FEV1 on Day 70.077 Liters95% Confidence Interval 0.0307
Ipratropium Bromide HFA Inhalation AerosolChange From Baseline in 12-hour Post-dose Trough FEV1 on Day 7-0.041 Liters95% Confidence Interval 0.0311
Placebo MDI BIDChange From Baseline in 12-hour Post-dose Trough FEV1 on Day 7-0.054 Liters95% Confidence Interval 0.0316
Secondary

Change From Baseline in Morning Pre-dose FEV1 on Day 7

Change from baseline in morning pre-dose FEV1

Time frame: Day 7

Population: MITT Population includes subjects who completed at least 2 treatment periods, with minimally 1 pre-dose assessment on Day 7 for each of those 2 treatment periods with no protocol deviations believed to have a potential impact on efficacy results.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PT001 MDI 36 µg BIDChange From Baseline in Morning Pre-dose FEV1 on Day 70.088 Liter95% Confidence Interval 0.0246
PT001 MDI 18 µg BIDChange From Baseline in Morning Pre-dose FEV1 on Day 70.075 Liter95% Confidence Interval 0.0245
PT001 MDI 9 µg BIDChange From Baseline in Morning Pre-dose FEV1 on Day 70.010 Liter95% Confidence Interval 0.0248
PT001 MDI 4.6 µg BIDChange From Baseline in Morning Pre-dose FEV1 on Day 70.084 Liter95% Confidence Interval 0.0247
Ipratropium Bromide HFA Inhalation AerosolChange From Baseline in Morning Pre-dose FEV1 on Day 7-0.088 Liter95% Confidence Interval 0.0256
Placebo MDI BIDChange From Baseline in Morning Pre-dose FEV1 on Day 7-0.043 Liter95% Confidence Interval 0.0246
Secondary

Peak Change From Baseline in FEV1 on Day 1

Highest value of FEV1 post-dose minus baseline on Day 1 (baseline-adjusted)

Time frame: Day 1

Population: MITT Population includes subjects who completed at least 2 treatment periods, with minimally 1 pre-dose assessment on Day 7 for each of those 2 treatment periods with no protocol deviations believed to have a potential impact on efficacy results.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PT001 MDI 36 µg BIDPeak Change From Baseline in FEV1 on Day 10.245 Liter95% Confidence Interval 0.0252
PT001 MDI 18 µg BIDPeak Change From Baseline in FEV1 on Day 10.221 Liter95% Confidence Interval 0.0247
PT001 MDI 9 µg BIDPeak Change From Baseline in FEV1 on Day 10.181 Liter95% Confidence Interval 0.0256
PT001 MDI 4.6 µg BIDPeak Change From Baseline in FEV1 on Day 10.204 Liter95% Confidence Interval 0.0206
Ipratropium Bromide HFA Inhalation AerosolPeak Change From Baseline in FEV1 on Day 10.250 Liter95% Confidence Interval 0.0258
Placebo MDI BIDPeak Change From Baseline in FEV1 on Day 10.071 Liter95% Confidence Interval 0.0251
Secondary

Peak Change From Baseline in FEV1 on Day 7

Peak change from baseline in FEV1

Time frame: Day 7

Population: MITT Population includes subjects who completed at least 2 treatment periods, with minimally 1 pre-dose assessment on Day 7 for each of those 2 treatment periods with no protocol deviations believed to have a potential impact on efficacy results.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PT001 MDI 36 µg BIDPeak Change From Baseline in FEV1 on Day 70.242 Liter95% Confidence Interval 0.0303
PT001 MDI 18 µg BIDPeak Change From Baseline in FEV1 on Day 70.224 Liter95% Confidence Interval 0.03
PT001 MDI 9 µg BIDPeak Change From Baseline in FEV1 on Day 70.223 Liter95% Confidence Interval 0.0307
PT001 MDI 4.6 µg BIDPeak Change From Baseline in FEV1 on Day 70.238 Liter95% Confidence Interval 0.0308
Ipratropium Bromide HFA Inhalation AerosolPeak Change From Baseline in FEV1 on Day 70.225 Liter95% Confidence Interval 0.0307
Placebo MDI BIDPeak Change From Baseline in FEV1 on Day 70.070 Liter95% Confidence Interval 0.0305
Secondary

Peak Change From Baseline in IC on Day 1

Peak change from baseline in Inspiratory Capacity (IC) on Day 1 (mean of 1 and 2 hours post-dose minus baseline on Day 1)

Time frame: Day 1

Population: MITT Population includes subjects who completed at least 2 treatment periods, with minimally 1 pre-dose assessment on Day 7 for each of those 2 treatment periods with no protocol deviations believed to have a potential impact on efficacy results.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PT001 MDI 36 µg BIDPeak Change From Baseline in IC on Day 10.240 Liter95% Confidence Interval 0.0379
PT001 MDI 18 µg BIDPeak Change From Baseline in IC on Day 10.276 Liter95% Confidence Interval 0.0377
PT001 MDI 9 µg BIDPeak Change From Baseline in IC on Day 10.185 Liter95% Confidence Interval 0.0374
PT001 MDI 4.6 µg BIDPeak Change From Baseline in IC on Day 10.187 Liter95% Confidence Interval 0.038
Ipratropium Bromide HFA Inhalation AerosolPeak Change From Baseline in IC on Day 10.252 Liter95% Confidence Interval 0.0396
Placebo MDI BIDPeak Change From Baseline in IC on Day 10.040 Liter95% Confidence Interval 0.0385
Secondary

Peak Change From Baseline in IC on Day 7

Peak change from baseline in IC

Time frame: Day 7

Population: MITT Population includes subjects who completed at least 2 treatment periods, with minimally 1 pre-dose assessment on Day 7 for each of those 2 treatment periods with no protocol deviations believed to have a potential impact on efficacy results.

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
PT001 MDI 36 µg BIDPeak Change From Baseline in IC on Day 70.213 Liters95% Confidence Interval 0.0416
PT001 MDI 18 µg BIDPeak Change From Baseline in IC on Day 70.189 Liters95% Confidence Interval 0.0411
PT001 MDI 9 µg BIDPeak Change From Baseline in IC on Day 70.161 Liters95% Confidence Interval 0.0424
PT001 MDI 4.6 µg BIDPeak Change From Baseline in IC on Day 70.192 Liters95% Confidence Interval 0.0426
Ipratropium Bromide HFA Inhalation AerosolPeak Change From Baseline in IC on Day 70.191 Liters95% Confidence Interval 0.0424
Placebo MDI BIDPeak Change From Baseline in IC on Day 7-0.029 Liters95% Confidence Interval 0.0419
Secondary

Proportion of Subjects Achieving at Least 12% Improvement in FEV1 on Day 1

Proportion of subjects achieving at least 12% improvement in FEV1 (relative to baseline)

Time frame: Day 1

Population: MITT Population: This includes subjects who completed at least 2 treatment periods, with minimally 1 pre-dose assessment on Day 7 for each of those 2 treatment periods with no protocol deviations believed to have a potential impact on efficacy results.

ArmMeasureValue (NUMBER)
PT001 MDI 36 µg BIDProportion of Subjects Achieving at Least 12% Improvement in FEV1 on Day 166.67 Percent
PT001 MDI 18 µg BIDProportion of Subjects Achieving at Least 12% Improvement in FEV1 on Day 158.70 Percent
PT001 MDI 9 µg BIDProportion of Subjects Achieving at Least 12% Improvement in FEV1 on Day 152.27 Percent
PT001 MDI 4.6 µg BIDProportion of Subjects Achieving at Least 12% Improvement in FEV1 on Day 160.98 Percent
Ipratropium Bromide HFA Inhalation AerosolProportion of Subjects Achieving at Least 12% Improvement in FEV1 on Day 177.78 Percent
Placebo MDI BIDProportion of Subjects Achieving at Least 12% Improvement in FEV1 on Day 117.39 Percent
Secondary

Time to Onset of Action ( ≥10% Improvement in FEV1) on Day 1

Time to onset of action ( ≥10% improvement in FEV1)

Time frame: Day 1 (15 min, 30 min, 1 hour, 2 hours)

Population: MITT Population includes subjects who completed at least 2 treatment periods, with minimally 1 pre-dose assessment on Day 7 for each of those 2 treatment periods with no protocol deviations believed to have a potential impact on efficacy results.

ArmMeasureGroupValue (NUMBER)
PT001 MDI 36 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 12 hours2 % of subjects
PT001 MDI 36 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 130 minutes32 % of subjects
PT001 MDI 36 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 115 minutes32 % of subjects
PT001 MDI 36 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 1No onset within 2 hours30 % of subjects
PT001 MDI 36 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 11 hour5 % of subjects
PT001 MDI 18 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 130 minutes18 % of subjects
PT001 MDI 18 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 12 hours13 % of subjects
PT001 MDI 18 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 115 minutes31 % of subjects
PT001 MDI 18 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 1No onset within 2 hours27 % of subjects
PT001 MDI 18 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 11 hour11 % of subjects
PT001 MDI 9 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 130 minutes7 % of subjects
PT001 MDI 9 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 12 hours14 % of subjects
PT001 MDI 9 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 1No onset within 2 hours37 % of subjects
PT001 MDI 9 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 11 hour23 % of subjects
PT001 MDI 9 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 115 minutes19 % of subjects
PT001 MDI 4.6 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 11 hour8 % of subjects
PT001 MDI 4.6 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 115 minutes25 % of subjects
PT001 MDI 4.6 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 130 minutes20 % of subjects
PT001 MDI 4.6 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 12 hours15 % of subjects
PT001 MDI 4.6 µg BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 1No onset within 2 hours33 % of subjects
Ipratropium Bromide HFA Inhalation AerosolTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 12 hours2 % of subjects
Ipratropium Bromide HFA Inhalation AerosolTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 115 minutes48 % of subjects
Ipratropium Bromide HFA Inhalation AerosolTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 1No onset within 2 hours16 % of subjects
Ipratropium Bromide HFA Inhalation AerosolTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 130 minutes25 % of subjects
Ipratropium Bromide HFA Inhalation AerosolTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 11 hour9 % of subjects
Placebo MDI BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 115 minutes7 % of subjects
Placebo MDI BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 12 hours13 % of subjects
Placebo MDI BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 130 minutes9 % of subjects
Placebo MDI BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 1No onset within 2 hours67 % of subjects
Placebo MDI BIDTime to Onset of Action ( ≥10% Improvement in FEV1) on Day 11 hour4 % of subjects

Source: ClinicalTrials.gov · Data processed: Mar 12, 2026