| Primary | Change From Baseline in Right Heard Catheterization Pulmonary Vascular Resistance (PVR) at Week 25 | PVR was defined as the resistance against blood flow from the pulmonary artery to the left atrium measured in dyn.s.cm-5 | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | dynes.sec.cm^-5 | | Baseline, Week 25 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
| | | Title | Denominators | Categories |
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| | | Title | Measurements |
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| - OG000-1.175± 254.0792
- OG001-49.685± 181.3745
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| Secondary | Change From Baseline in Six Minute Walk Distance (6MWD) | 6MWD test measures the distance that a patient can walk on a flat, hard surface in a period of 6 minutes | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | meters | | Baseline, Weeks 13 and 25 | | | | ID | Title | Description |
|---|
| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in Right Atrium (RA) Pressures at Week 25 | The Right Heart Catheterization (RHC) assessment was performed to assess several hemodynamic variables in pulmonary hypertension, including RA pressures. | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | mmHg | | Baseline, Week 25 | | | | ID | Title | Description |
|---|
| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in Pulmonary Capillary Wedge Pressure at Week 25 | Right heart catheterization (RHC) assessment was performed to assess several hemodynamic variables in pulmonary hypertension, including pulmonary capillary wedge pressure (PCWP). | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | mmHg | | Baseline, Week 25 | | | | ID | Title | Description |
|---|
| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in Mean Pulmonary Artery Pressure at Week 25 | Right heart catheterization (RHC) assessment was performed to assess several hemodynamic variables in pulmonary hypertension, including pulmonary artery pressure. | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | mmHg | | Baseline, Week 25 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in Average Cardiac Output (CO) at Week 25 | Right heart catheterization (RHC) assessment was performed to assess several hemodynamic variables in pulmonary hypertension, including cardiac output (CO). | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | liters per minute | | Baseline, Week 25 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in Fractional Area Change (FAC) | Key right ventricular (RV) function endpoints such as RV fractional area change (RV FAC) were assessed with echocardiography. | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | percent | | Baseline, Weeks 5, 13, and 25 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in Peak Velocity of Excursion (RV S') | Key right ventricular (RV) function per echocardiography. The terms Tricuspid Annular Systolic Velocity (TASV) and Peak Velocity of Excursion (RV S') are synonymous in echocardiography to describe the peak systolic velocity of the lateral tricuspid annulus. Including both TASV and RV S' as separate secondary endpoints was an oversight in the protocol as the data, calculation, and analyses for both (TASV and RV S') are identical. Therefore, the TASV and RV S' data in this results disclosure are the same. | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | centimeters per second | | Baseline, Weeks 5, 13, and 25 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in Tricuspid Annular Plane Systolic Excursion (TAPSE) | Key right ventricular (RV) function endpoints such as tricuspid annular plane systolic excursion (TAPSE) were assessed with echocardiography. | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | centimeters | | Baseline, Weeks 5, 13, and 25 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in Tricuspid Annular Systolic Velocity (TASV) | Key right ventricular (RV) function endpoints such as tricuspid annular systolic velocity (TASV) were assessed with echocardiography. | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | centimeters per second | | Baseline, Weeks 5, 13 and 25 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in EmPHasis-10 | emPHasis-10 is a questionnaire with 10 questions designed to determine how pulmonary hypertension affects a participant's life. Each item is scored on a scale of 0 to 5, with a total score ranging from 0 to 50. A higher score indicates worse quality of life. | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | score | | Baseline, Weeks 13 and 25 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in Pulmonary Arterial Hypertension-Symptoms and Impact (PAH-SYMPACT) | PAH-SYMPACT is a questionnaire used to assess pulmonary arterial hypertension symptoms and their impact. Individual item scores range from 0 to 4. Total score is calculated as the sum of the scores for the individual items divided by the number of items. A higher score indicates more severe symptoms/impacts. | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | score | | Baseline, Weeks 13 and 25 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Maximum Observed Blood Concentrations (Cmax) for LTP001 | The maximum (peak) observed blood drug concentration after single dose administration. | The pharmacokinetic (PK) analysis set included all participants with at least one available valid (i.e., not flagged for exclusion) PK concentration measurement, who received any study drug, and without protocol deviations that impacted PK data. | Posted | | Geometric Mean | Geometric Coefficient of Variation | ng/mL | | Day 1 and Week 25 at 15, 45, and 120 minutes post-dose | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Time to Reach Maximum Blood Concentrations (Tmax) of LTP001 | The time to reach maximum (peak) blood drug concentration after single dose administration. | The pharmacokinetic (PK) analysis set included all participants with at least one available valid (i.e., not flagged for exclusion) PK concentration measurement, who received any study drug, and without protocol deviations that impacted PK data. | Posted | | Geometric Mean | Geometric Coefficient of Variation | hours | | Day 1 and Week 25 at 15, 45, and 120 minutes post-dose | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Time to Clinical Worsening | Time to any of the following:
- Death
- Hospital stay greater than 24 hours due to worsening of pulmonary arterial hypertension
- Worsening of PAH resulting in need for lung transplantation or balloon atrial septostomy
- Initiation of parenteral prostanoid therapy, initiation of oxygen therapy, initiation of any other pulmonary arterial hypertension-specific therapies or need for increase of diuretics for more than 4 weeks due to worsening of pulmonary arterial hypertension
- Significant drop in six minute walk distance
| The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. Participants without the event were considered as censored at the end of the time at risk. | Posted | | Median | 95% Confidence Interval | days | | Baseline up to approximately 30 weeks | | | | ID | Title | Description |
|---|
| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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| Secondary | Change From Baseline in N-terminal Fragment of the Prohormone B-type Natriuretic Peptide (NT-ProBNP) | NT-proBNP is a blood biomarker to assess right ventricular distress. | The pharmacodynamic (PD) analysis set included all participants with available PD data and no protocol deviations with a relevant impact on PD data. | Posted | | Mean | Standard Deviation | picomoles per liter | | Baseline to Week 29 | | | | ID | Title | Description |
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| OG000 | LTP001 | Participants received LTP001, 6 mg, oral capsules, once daily in the morning for approximately 24 weeks | | OG001 | Placebo | Participants received LTP001 placebo capsules matching LTP001 orally once daily in the morning for approximately 24 weeks |
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