Ambrisentan

Clinical trials are investigating Ambrisentan in people with pulmonary arterial hypertension and in a kidney disease study. These trials are looking at treatment effects, disease control, and patient risk measures. The studies include adults with newly diagnosed pulmonary arterial hypertension and cardiovascular comorbidities, as well as patients with chronic kidney disease.

Table of Contents

Trials overview

The provided clinical trial data include two Phase 3 studies that investigate Ambrisentan in different diseases.[1][2] One study is in pulmonary arterial hypertension, and the other is in chronic kidney disease.[1][2] Both studies are interventional, which means the researchers assign treatments and then measure the results.[1][2]

Pulmonary arterial hypertension trial

The COMMODITIES study is titled “Comparison of initial dual oral COMbination therapy to MOnotherapy in pulmonary arterial hypertension with cardiovascular comorbiDITIES.”[1] It is an authorised Phase 3 trial with 186 planned participants.[1] The study is looking at treatment-naïve patients with newly diagnosed pulmonary arterial hypertension and cardiovascular comorbidities.[1]

This study compares tadalafil and Ambrisentan with tadalafil and placebo.[1] A placebo is a look-alike treatment with no active study drug.[1] The brief summary says the trial is designed to see how the initial treatment strategy affects disease control at 6 months.[1]

Chronic kidney disease trial

The second study is a clinical validation study of urinary clusterin and EGF in patients with chronic kidney disease.[2] It is a Phase 3 interventional trial with 125 planned participants, but its status is withdrawn.[2] The intervention list includes finerenone, dapagliflozin, and Ambrisentan.[2]

The study aims to compare a biomarker response-guided treatment approach with guideline care on albuminuria.[2] Albuminuria means protein in the urine, which can be a sign of kidney damage.[2] The main measurement is the change in urine albumin-to-creatinine ratio, also called UACR, from baseline to week 36.[2]

Main endpoints and what they mean

The primary outcome in the pulmonary arterial hypertension trial is the proportion of patients who reach a low or intermediate-low risk profile after 6 months.[1] A risk profile is a way to describe how severe the disease is and how likely it is to worsen.[1] The study uses a non-invasive 4-risk strata method proposed by the 2022 European pulmonary hypertension guidelines.[1]

The primary outcome in the kidney disease trial is the between-group change in albuminuria from baseline to week 36.[2] This means the researchers compare how much protein in the urine changes between the study groups over time.[2]

Who the trials are for

The pulmonary arterial hypertension trial is for adults who are newly diagnosed and have not yet received treatment for their disease.[1] It also focuses on people who have cardiovascular comorbidities, meaning other heart or blood vessel conditions at the same time.[1]

The kidney disease trial is for patients with chronic kidney disease.[2] The data do not give more details about age limits, exact kidney stage, or other entry rules.[2]

Trial status and enrollment

The pulmonary arterial hypertension study is marked as authorised and plans to enroll 186 patients.[1] The chronic kidney disease study is marked as withdrawn and plans to enroll 125 patients.[2] These status labels show the current progress of each study in the source data.[1][2]

Trial ID Phase Condition studied Status Enrollment Main endpoint
2023-509891-40-00 Phase 3 Pulmonary arterial hypertension Authorised 186 Proportion reaching low or intermediate-low risk after 6 months
2023-507449-27-00 Phase 3 Chronic kidney disease Withdrawn 125 Change in albuminuria (UACR) from baseline to week 36

Ongoing Clinical Trials on Ambrisentan

  • Study comparing tadalafil with ambrisentan versus tadalafil alone in newly diagnosed patients with pulmonary arterial hypertension who have cardiovascular conditions

    Recruiting

    3 1 1
    Investigated diseases:
    Investigated drugs:
    France
  • Study on the Effects of Finerenone, Dapagliflozin, and Ambrisentan in Patients with Chronic Kidney Disease

    Not yet recruiting

    3 1 1 1
    Investigated diseases:
    Investigated drugs:
    Denmark Germany Italy Spain Sweden

Glossary

  • Pulmonary arterial hypertension: A serious condition with high blood pressure in the arteries of the lungs. It can make the heart work harder and may cause shortness of breath and tiredness.
  • Cardiovascular comorbidities: Other heart or blood vessel problems that happen along with the main disease. Comorbidity means an extra condition that is present at the same time.
  • Treatment-naïve: A person who has not yet received treatment for the condition being studied.
  • Placebo: A look-alike treatment with no active study drug. It helps researchers compare results fairly.
  • Phase 3: A later stage of clinical testing in a larger group of patients. It helps show how well a treatment works and how it performs in real patients.
  • Risk profile: A score or group of findings that shows how severe a disease is and how likely it is to get worse.
  • Non-invasive: Done without surgery or putting instruments inside the body.
  • Albuminuria: Protein, called albumin, found in the urine. It can be a sign of kidney damage.
  • UACR: Urine albumin-to-creatinine ratio. This is a test that measures how much albumin is in the urine compared with creatinine.
  • Biomarker: A measurable sign in the body, such as a lab test result, that can help show disease activity or treatment response.

References

  1. https://clinicaltrials.gov/study/2023-509891-40-00
  2. https://clinicaltrials.gov/study/2023-507449-27-00