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Acute Bleeding Esophageal VaricesPhase 3PorthosNCT01618890

Hepatic Venous Pressure Gradient-guided Versus Standard Beta-blocker Therapy in Primary Prevention of Variceal Bleeding

A Phase 3 study testing Hepatic venous pressure gradient measurement in people with Acute Bleeding Esophageal Varices and Liver Cirrhosis, run by Leiden University Medical Center at 6 sites in 2 countries.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Study hypothesis: Hepatic venous pressure gradient (HVPG)-directed primary prophylaxis with nonselective beta-blocker therapy (NSBB) leads to a reduction in first variceal bleeding episodes and is cost-effective in the long term. Read more about this study

Who is it for?
Ages 18 to 75 years
What is being tested?
Hepatic venous pressure gradient measurement
Could I receive a placebo?
No, everyone receives an active treatment
How many people
78 participants
Where
6 sitesin 2 countries
Study dates
Sep 2012to Dec 2022
Phase
Phase 3
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 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Patients with liver cirrhosis Large (≥5 mm) esophageal varices

Who cannot join

  • History of esophageal variceal hemorrhage
  • Pregnancy
  • Contraindications to beta-blocker therapy
  • Esophageal varices in the absence of liver cirrhosis
  • Intermediate, advanced or terminal stage hepatocellular carcinoma (BCLC stage B, C or D)
  • Refractory ascites
  • Hepatorenal syndrome
  • Prior treatment or prophylaxis for esophageal varices or varices bleeding (propranolol use, TIPS, endoscopic banding ligation, endoscopic sclerotherapy)

Trial locations and contacts

6 sites in 2 countries.

6 sites in 2 countries

Netherlands4 sites, 4 recruiting
  • Academisch Medisch Centrum

    Amsterdam

    Ulrich Beuers, Prof.dr.

    Recruiting
  • Free University Medical Centre

    Amsterdam

    Karin van Nieuwkerk, Dr.

    Recruiting
  • Leiden University Medical Centre

    Leiden, 2333 ZA

    Minneke Coenraad, Dr., +31-71-5269111 ext. 99127, m.j.coenraad@lumc.nl

    Recruiting
  • Haga Hospital

    The Hague

    Jan Nicolaï, Dr.

    Recruiting

Other trials in Netherlands

Belgium2 sites, 2 recruiting
  • Universitair Ziekenhuis Antwerpen

    Antwerp, B-2650

    Thomas Vanwolleghem

    Recruiting
  • Universitaire Ziekenhuizen Leuven

    Leuven

    Frederik Nevens, Prof. dr.

    Recruiting

Other trials in Belgium

About this study

Official title: A Multi-center Randomized Controlled Study of Primary Prevention of Esophageal Variceal Bleeding in Cirrhotic Patients Treated With HVPG-guided Beta- Blocker Therapy or Standard Heart Rate-guided Beta-blocker Therapy

Study hypothesis:

Hepatic venous pressure gradient (HVPG)-directed primary prophylaxis with nonselective beta-blocker therapy (NSBB) leads to a reduction in first variceal bleeding episodes and is cost-effective in the long term.

Read more

Study design:

A multi-center randomized controlled study comparing nonselective beta-blocker therapy guided by the hemodynamic response as determined by the difference in HVPG before and after starting oral NSBB therapy, to standard heart rate-guided NSBB therapy in patients with esophageal varices due to liver cirrhosis without a history of esophageal variceal hemorrhage.

Primary study parameters/outcome of the study:

First variceal bleeding episodes occurring within the first two years.

Secondary study parameters/outcome of the study:

  • Mortality
  • Occurrence of other cirrhosis-related complications
  • Occurrence of hepatocellular carcinoma
  • Costs of treatments
  • Adverse effects
Read the detailed description

Background of the study:

About 50% of cirrhotic patients who use nonselective beta-blockers (NSBB) for primary prevention of variceal bleeding do not reach target hemodynamic response, defined as HVPG < 12 mmHg or a > 20% decrease in HVPG from baseline. These so-called hemodynamic nonresponding patients have significantly higher rate of first esophageal variceal hemorrhage as compared to patients who do respond to NSBB.

International institutions that publish guidelines differ in their recommendations concerning HVPG monitoring. As a result, practice currently varies widely.

The investigators hypothesize that HVPG-directed primary prophylaxis leads to a reduction in first variceal bleeding episodes and is cost-effective in the long term.

Objective of the study:

To determine cost-effectiveness of hepatic venous pressure gradient (HVPG)-guided nonselective beta-blocker therapy as compared to standard heart rate-guided beta-blocker therapy in the primary prevention of esophageal variceal bleeding in cirrhotic patients.

Study design:

A multi-center randomized controlled study comparing nonselective beta-blocker therapy guided by the hemodynamic response as determined by the difference in HVPG before and after starting oral nonselective beta-blockers, to standard heart rate-guided nonselective beta-blocker therapy in patients with esophageal varices due to liver cirrhosis.

Study population:

Patients with liver cirrhosis and large (>5 mm) esophageal varices without a history of esophageal variceal hemorrhage.

Intervention:

-In HVPG-group: Perform baseline HVPG measurement, then start propranolol 20 mg orally twice daily (BID), increase the dose stepwise with 3 days interval to decrease the heart rate to maximum tolerated dose. After 4 weeks a second HVPG is performed.

In hemodynamic responders (who reach target decrease in HVPG) NSBB are continued until end of follow-up.

In hemodynamic nonresponders (who do not reach target decrease in HVPG), NSBB are continued and repeated endoscopic band ligation is performed with 2-4 weeks interval until complete obliteration of large varices.

-In control group: Start propranolol 20 mg BID, increase the dose stepwise with 3 days interval to maximum heart rate-guided tolerated dose.

Primary study parameters/outcome of the study:

First variceal bleeding episodes occurring within the first two years.

Secondary study parameters/outcome of the study:

Mortality Occurrence of other cirrhosis-related complications Occurrence of hepatocellular carcinoma Costs of treatments Adverse effects

Being tested
Hepatic venous pressure gradient measurement
Keywords
Prevention, Esophageal variceal bleeding, Hepatic Venous Pressure Gradient, Betablocker therapy
Medical subject headings
Liver Cirrhosis

What participants receive

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

  • Hepatic venous pressure gradient measurementProcedure or surgery

    Also called Hepatic venous pressure measurement, Endoscopic variceal band ligation, Propranolol

    Perform baseline HVPG measurement, then start propranolol 20 mg orally twice daily (BID), increase the dose stepwise to maximum tolerated dose. After 4 weeks a second HVPG is performed.

    In hemodynamic nonresponders from the study arm, repeated endoscopic band ligation is performed in daycare setting with intervals of 2-4 weeks.

    In hemodynamic responders (HVPG second measurement< 12 mmHg or >20% reduction in HVPG compared to baseline) beta-blockers are continued until end of follow-up.

Study groups in NCT01618890
Study groupRoleWhat they receive
HVPG-propranolol armExperimentalA baseline hepatic venous pressure gradient measurement (HVPG measurement) is performed in day-care setting. After this procedure propranolol is started at 20 mg BID. with dose escalation as described in the propranolol arm. A second HVPG measurement is performed at 4 weeks after adequate propranolol therapy. In patients who reach target HVPG reduction (responders), propranolol is continued at the same dose without routine control endoscopy. In patients who do not reach target HVPG reduction (nonresponders), endoscopic band ligation is performed in day-care setting with intervals of 2-4 weeks until complete obliteration of varices. Follow-up endoscopy with 6 months interval is performed to detect and treat recurrent large varices.
Receives: Procedure: Hepatic venous pressure gradient measurement
Propranolol armNo interventionPropranolol start 20 mg BID. orally with dose escalation based on heart frequency (HF) with 3-days interval to the maximum tolerated dose. No routine control endoscopy is required.

What is being measured

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

  1. First variceal bleeding episodes

    First variceal bleeding episodes

    Measured: two years of follow-up

Secondary outcomes (4)
  1. Mortality

    Mortality

    Measured: two years

  2. Occurrence of other cirrhosis-related complications

    ascites spontaneous bacterial peritonitis hepatic encephalopathy hepatorenal syndrome hepatocellular carcinoma

    Measured: two years

  3. Costs of treatments

    Costs of treatments

    Measured: two years

  4. Adverse effects

    Adverse effects associated with NSBB therapy, endoscopic band ligation, hepatic venous pressure gradient

    Measured: two years

Timeline

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

  1. First posted13 Jun 2012 (estimated)
  2. Study startSep 2012
  3. Primary completionDec 2020 (estimated)
  4. Study completionDec 2022 (estimated)

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 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
78 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01618890
Sponsor's protocol ID
LUMC-40226
Acronym
Porthos
Status last verified
Sep 2019
First submitted
11 Jun 2012
Last updated
30 Sep 2019
Results posted
No
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Hepatic venous pressure gradient measurement in people with Acute Bleeding Esophageal Varices and Liver Cirrhosis, run by Leiden University Medical Center at 6 sites in 2 countries.

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 1 inclusion and 8 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: status not confirmed, as of the sponsor's last update on 30 Sep 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 6 sites in Netherlands, Belgium. 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 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

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

Are results available for this study?

Results are not available in the source record.

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

Contact Minneke Coenraad, Dr. (+31-71-5269111 ext. *9127, m.j.coenraad@lumc.nl), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

First variceal bleeding episodes (time frame: two years of follow-up). 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 30 Sep 2019.

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