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Portopulmonary HypertensionPhase 4NCT03309592

Efficacy and Safety of Combination Ambrisentan and Tadalafil in Patients With Portopulmonary Hypertension

A Phase 4 study testing Ambrisentan Pill and Tadalafil Pill in people with Portopulmonary Hypertension and Pulmonary Hypertension, run by Ochsner Health System at 1 site in United States.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

The purpose of this study is to evaluate the efficacy and safety of the combination of ambrisentan and tadalafil in reducing mPAP to below 35mmHg in patients with moderate to severe Portopulmonary Hypertension (POPH) as a means to candidacy for liver transplantation. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Ambrisentan Pill and Tadalafil Pill
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
0 participants
Where
1 siteUnited States
Study dates
12 Oct 2017to 1 Nov 2018
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Child-Pugh Class Class A \& B Cirrhosis
  • mPAP ≥35mmHg
  • Pulmonary Capillary Wedge Pressure (PWCP) <15mmHg on Right Heart Catheterization's (RHCs)
  • mPAP > 50mmHg will be considered eligible unless they are World Health Organization (WHO) Functional Class IV

Who cannot join

  • End stage renal disease on hemodialysis (ESRD on HD)
  • Renal dysfunction and GFR < 30
  • AST, ALT > 5 times the upper limit of normal
  • Total bilirubin ≥ 6.0
  • INR > 2
  • Initially, Child-Pugh Class C patients will be excluded; however, after the first 5 patients are included, if there is no signal of worsening liver function, the protocol may be amended to include patients with Class C cirrhosis.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Ochsner Clinic Foundation

    New Orleans, Louisiana, 70121

Other trials in United States

About this study

Official title: Investigator Sponsored Research Proposal : Efficacy and Safety of Combination Ambrisentan and TadaLafil in PATiEnts With PortoPulmonary Hypertension (ESCALATE-PPH)

The purpose of this study is to evaluate the efficacy and safety of the combination of ambrisentan and tadalafil in reducing mPAP to below 35mmHg in patients with moderate to severe Portopulmonary Hypertension (POPH) as a means to candidacy for liver transplantation.

Read the detailed description

The outcome of liver transplantation (LT) in the presence of moderate to severe POPH is significantly poor with a 50% reported mortality rate in LT recipients having a mean pulmonary artery pressure (mPAP) >35 mmHg and 100% when the mPAP is greater than 50 mmHg; therefore, making moderate to severe POPH a contraindication to liver transplants. Those recipients with significant pulmonary artery pressure (PAP) may be denied the opportunity for transplant unless the mPAP is brought below 35 mmHg with medical treatment. This study will test the efficacy \& safety of the combination of using ambrisentan and tadalfil in reducing the Pulmonary Arterial Pressure to below 35 mmHg in patients with moderate to severe POPH as a means to candidacy for liver transplantation.

Being tested
Ambrisentan Pill, Tadalafil Pill
Medical subject headings
Hypertension, Pulmonary, Liver Cirrhosis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Ambrisentan PillDrug

    Also called Letairis

    Will be administered as stated in Arm/Group Descriptions

  • Tadalafil PillDrug

    Also called Adcirca

    Will be administered as stated in Arm/Group Descriptions

Study groups in NCT03309592
Study groupRoleWhat they receive
Combination TherapyOtherQualifying participants will begin combination therapy with ambrisentan pill 5 mg daily and tadalafil pill 20 mg. After one week of therapy, patients will increase tadalafil pill to 40 mg daily and continue ambrisentan pill 5 mg daily. On day 15, patients will increase ambrisentan pill to 10 mg daily and continue at 40 mg of tadalafil pill daily.
Receives: Drug: Ambrisentan Pill; Drug: Tadalafil Pill

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Reduction in mPAP to 35mmHg

    A Right Heart Catheterization will be performed in order to see if there's a reduction in mPAP to less than 35mmHg from baseline

    Measured: 2 months post initiation of therapy

Secondary outcomes (14)
  1. Blood Pressure

    Systemic Blood pressure

    Measured: 2 months post therapy

  2. mPAP Reduction

    Percent reduction in mPAP will be assessed and measured from baseline via RHC

    Measured: 2 months post initiation of therapy

  3. Post-Transplant Survival Outcome: Alive or Dead at 30 days

    Post-transplant survival comparing subjects with or without history of POPH

    Measured: Post-op Day 1 and 30

  4. Kidney function evaluation through measurement of Creatinine levels (mg/dL)

    Comprehensive metabolic panel will be completed at 2 months post therapy to assess kidney function

    Measured: baseline, 1 month, 2 month, 3 month, 6 month, 9 month, 12 months/end of treatment, 1 month post transplant

  5. Liver Function test measured by AST (iu/L)

    AST will be done to monitor and measure the degree of cirrhosis on the liver as well as the overall function of the liver

    Measured: baseline, 1 month, 2 month, 3 month, 6 month, 9 month, 12 months/end of treatment, 1 month post transplant

  6. Liver Function test measured by ALT (iu/L)

    ALT test will be done to monitor and measure the degree of cirrhosis on the liver as well as the overall function of the liver

    Measured: baseline, 1 month, 2 month, 3 month, 6 month, 9 month, 12 months/end of treatment, 1 month post transplant

  7. Liver Function test measured by Bilirubin (mg/dL)

    Bilirubin test will be done to monitor and measure the degree of cirrhosis on the liver as well as the overall function of the liver

    Measured: baseline, 1 month, 2 month, 3 month, 6 month, 9 month, 12 months/end of treatment, 1 month post transplant

  8. Liver Function test measured by INR

    INR test will be done to monitor and measure the degree of cirrhosis on the liver as well as the overall function of the liver

    Measured: baseline, 1 month, 2 month, 3 month, 6 month, 9 month, 12 months/end of treatment, 1 month post transplant

  9. Right Ventricular (RV) Size in centimeters

    To measure Right Ventricular Size in centimeters

    Measured: Baseline, 1-month, 6-month and 12 months post therapy, 1 month post transplant

  10. Right Ventricular (RV) Qualitative Systolic Function: assessment that is categorized as normal, mildly depressed, moderately depressed or severely depressed

    To measure Right Ventricular Qualitative Systolic Function assessment that is categorized as normal, mildly depressed, moderately depressed or severely depressed

    Measured: Baseline, 1-month, 6-month and 12 months post therapy, 1 month post transplant

  11. Right Ventricular (RV) Function in centimeters

    Tricuspid Annular Plane Systolic Excursion (TAPSE) measured in centimeters

    Measured: Baseline, 1-month, 6-month and 12 months post therapy and 1-month post transplant

  12. Biomarker of Right ventricular failure

    serum BNP

    Measured: baseline, 1 month, 2 month, 3 month, 6 month, 9 month, 12 months/end of treatment, 1 month post transplant

  13. New York Heart Association Functional class

    NYHA FC will be assessed by clinician at baseline and each subsequent visit

    Measured: baseline, 1 month, 2 month, 3 month, 6 month, 9 month, 12 months/end of treatment, 1 month post transplant

  14. Change in 6 Minute Walk Distance

    6 Minute walk will be performed at baseline and each study visit

    Measured: baseline, 1 month, 2 month, 3 month, 6 month, 9 month, 12 months/end of treatment, 1 month post transplant

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted13 Oct 2017
  2. Study start12 Oct 2017
  3. Primary completion1 Nov 2018
  4. Study completion1 Nov 2018

Why it stopped: Lack of eligible participants and failure to meeting study enrollment.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03309592
Sponsor's protocol ID
ESCALATE-PPH
Status last verified
Dec 2018
First submitted
5 Jun 2017
Last updated
7 Dec 2018
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Ambrisentan Pill and Tadalafil Pill in people with Portopulmonary Hypertension and Pulmonary Hypertension, run by Ochsner Health System at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: withdrawn, as of the sponsor's last update on 7 Dec 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Reduction in mPAP to 35mmHg (time frame: 2 months post initiation of therapy). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 Dec 2018.

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