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Pulmonary Arterial HypertensionPhase 3IMPRES ExtnNCT01117987

Extension to QTI571A2301 to Evaluate the Long-term Safety, Tolerability and Efficacy of Imatinib in Severe Pulmonary Arterial Hypertension (PAH)

A Phase 3 study testing Imatinib in people with Pulmonary Arterial Hypertension, run by Novartis Pharmaceuticals at 59 sites in 13 countries.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This is a multinational, multi center extension study. This study will provide data on the long-term safety, tolerability, and efficacy of imatinib in the treatment of severe pulmonary arterial hypertension. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Pulmonary Arterial Hypertension
What is being tested?
Imatinib
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
144 participants
Where
59 sitesin 13 countries
Study dates
Apr 2010to Apr 2014
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

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

  • Patients who participated in CQTI571A2301 clinical trial and completed the week 24 visit of the study protocol, including all Study Completion assessments
  • Patients who withdrew from the CQTI571A2301 study prematurely for reasons not related to study drug or not related to a safety issue but performed all Study Completion assessments

Who cannot join

  • Patients with a pulmonary capillary wedge pressure > 15 mmHg at time of Study Completion assessments in core protocol CQTI571A2301. If pulmonary capillary wedge pressure is not attainable, then a left atrial pressure measurement may be used in its place.
  • LVEF < 45%
  • Patients with thrombocytopenia, platelet count < 50E9/L (50E3/µL)
  • Patients with uncontrolled systemic arterial hypertension, systolic > 160 mmHg or diastolic > 90 mmHg
  • Patients with a QTcF > 450 ms for males and > 470 ms for females in the absence of right branch bundle block (based on Visit 1 ECG if required to be performed)
  • Other protocol-defined inclusion/exclusion criteria may apply

Trial locations and contacts

59 sites in 13 countries.

59 sites in 13 countries

United States19 sites
  • Novartis Investigative Site

    Birmingham, Alabama, 35294-0006

  • Novartis Investigative Site

    Chicago, Illinois, 60637

  • Novartis Investigative Site

    Cincinnati, Ohio, 45219

  • Novartis Investigative Site

    Cleveland, Ohio, 44195

  • Novartis Investigative Site

    Durham, North Carolina, 27710

  • Novartis Investigative Site

    Houston, Texas, 77030

  • Novartis Investigative Site

    Los Angeles, California, 90095

  • Novartis Investigative Site

    Milwaulkee, Wisconsin, 53215

  • Novartis Investigative Site

    Mineola, New York, 11501

  • Novartis Investigative Site

    New York, New York, 10029

  • Novartis Investigative Site

    Oklahoma City, Oklahoma, 73104

  • Novartis Investigative Site

    Omaha, Nebraska, 68131

  • Novartis Investigative Site

    Phoenix, Arizona, 85013

  • Novartis Investigative Site

    Pittsburgh, Pennsylvania, 15213

  • Novartis Investigative Site

    Rochester, Minnesota, 55905

  • Novartis Investigative Site

    San Francisco, California, 94143

  • Novartis Investigative Site

    St Louis, Missouri, 63110

  • Novartis Investigative Site

    Tualatin, Oregon, 97062

  • Novartis Investigative Site

    Weston, Florida, 33331

Other trials in United States

Germany12 sites
  • Novartis Investigative Site

    Berlin, 12552

  • Novartis Investigative Site

    Berlin, 12683

  • Novartis Investigative Site

    Cologne, 50937

  • Novartis Investigative Site

    Dresden, 01307

  • Novartis Investigative Site

    Hamburg, 20246

  • Novartis Investigative Site

    Hanover, 30625

  • Novartis Investigative Site

    Heidelberg, 69120

  • Novartis Investigative Site

    Homburg, 66421

  • Novartis Investigative Site

    Marburg, 35039

  • Novartis Investigative Site

    München, 81377

  • Novartis Investigative Site

    Regensburg, 93053

  • Novartis Investigative Site

    Würzburg, 97080

Other trials in Germany

Spain6 sites
  • Novartis Investigative Site

    Barcelona, Catalonia, 08035

  • Novartis Investigative Site

    Barcelona, Catalonia, 08036

  • Novartis Investigative Site

    Madrid, Madrid, 28041

  • Novartis Investigative Site

    Málaga, Andalusia, 29010

  • Novartis Investigative Site

    Santander, Cantabria, 39008

  • Novartis Investigative Site

    Seville, Andalusia, 41013

Other trials in Spain

Japan5 sites
  • Novartis Investigative Site

    Bunkyo-ku, Tokyo, 113-8655

  • Novartis Investigative Site

    Hamamatsu, Shizuoka, 431-3192

  • Novartis Investigative Site

    Mitaka, Tokyo, 181-8611

  • Novartis Investigative Site

    Okayama, Okayama-ken, 701-1192

  • Novartis Investigative Site

    Sendai, Miyagi, 980-8574

Other trials in Japan

United Kingdom4 sites
  • Novartis Investigative Site

    Cambridge, Cambridgeshire, CB23 3RE

  • Novartis Investigative Site

    London, NW3 3QG

  • Novartis Investigative Site

    Newcastle upon Tyne, Newcastle, NE7 7DN

  • Novartis Investigative Site

    Sheffield, South Yorkshire, S10 2JF

Other trials in United Kingdom

Canada3 sites
  • Novartis Investigative Site

    Calgary, Alberta, T1Y 6J4

  • Novartis Investigative Site

    Edmonton, Alberta, T6G 2B7

  • Novartis Investigative Site

    London, Ontario, N6A 4G5

Other trials in Canada

South Korea3 sites
  • Novartis Investigative Site

    Seoul, Korea, 110 744

  • Novartis Investigative Site

    Seoul, Korea, 120-752

  • Novartis Investigative Site

    Seoul, Korea, 135-710

Other trials in South Korea

Italy2 sites
  • Novartis Investigative Site

    Pavia, (pv), 27100

  • Novartis Investigative Site

    Roma, RM, 00161

Other trials in Italy

Austria1 site
  • Novartis Investigative Site

    Vienna, A-1090

Other trials in Austria

Belgium1 site
  • Novartis Investigative Site

    Leuven, 3000

Other trials in Belgium

France1 site
  • Novartis Investigative Site

    Clamart, 92141

Other trials in France

Netherlands1 site
  • Novartis Investigative Site

    Amsterdam, 1081 HV

Other trials in Netherlands

Switzerland1 site
  • Novartis Investigative Site

    Sankt Gallen, 9007

Other trials in Switzerland

About this study

Official title: An Extension to QTI571A2301 to Evaluate the Long-term Safety, Tolerability and Efficacy of Oral QTI571 (Imatinib) in the Treatment of Severe Pulmonary Arterial Hypertension: IMPRES Extension

This is a multinational, multi center extension study. This study will provide data on the long-term safety, tolerability, and efficacy of imatinib in the treatment of severe pulmonary arterial hypertension.

Being tested
Imatinib, Placebo
Keywords
Pulmonary arterial hypertension, imatinib, 6MWD, pulmonary hypertension
Medical subject headings
Pulmonary Arterial Hypertension, Hypertension, Pulmonary

What participants receive

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

  • ImatinibDrug

    Participants, who received imatinib 200 mg in the core study, CQTI571A2301 (NCT00902174), and completed the core study, received imatinib 200 mg every day (qd) in the extension. Participants, who were randomized to receive imatinib 400 mg in the core study and completed the core study, received imatinib 400 mg qd in the extension. Participants, who terminated early from the core study or who were randomized to placebo and completed the core study, started the extension with imatinib 200 mg qd. After 2 weeks, the dose was increased to 400 mg qd if tolerated.

  • PlaceboDrug

    To preserve the blind of the core study until the core study, CQTI571A2301 (NCT00902174), was completed, participants received a blinded study drug package containing a 70-tablet bottle of imatinib and a 70-tablet bottle of matching placebo.

Study groups in NCT01117987
Study groupRoleWhat they receive
Core imatinibExperimentalDepending on the participants' randomized treatment in the core study, CQTI571A2301 (NCT00902174), and their completion status in the core study, participants received imatinib at 200 mg qd, 400 mg qd, or 200 mg qd with an increase to 400 mg qd after 2 weeks, if tolerated.
Receives: Drug: Imatinib; Drug: Placebo
Core placeboExperimentalDepending on the participants' randomized treatment in the core study, CQTI571A2301 (NCT00902174), and their completion status in the core study, participants received imatinib at 200 mg qd, 400 mg qd, or 200 mg qd with an increase to 400 mg qd after 2 weeks, if tolerated.
Receives: Drug: Imatinib; Drug: Placebo

What is being measured

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

  1. Number of Participants With Adverse Events, Serious Adverse Events and Deaths

    Adverse event monitoring was conducted throughout the study.

    Measured: 204 weeks

Secondary outcomes (2)
  1. Change From Core Study Baseline in Six-Minute Walk Distance (6MWD)

    A six minute walk test (6MWT) was performed in accordance with the guidleines of the American Thoracic Society (2002).

    Measured: core study baseline, extension baseline, 12 weeks, 24 weeks, 48 weeks, 72 weeks, 96 weeks, 120 weeks, 144 weeks, 156 weeks, 204 weeks

  2. Percentage of Participants With Incidence of Clinical Worsening Events

    Clinical worsening events included death, overnight hospitalization for worsening of PAH, worsening of World Health Organization (WHO) functional class by at least one level (drop in WHO ), 15% decrease in the 6MWD as compared to baseline confirmed by two 6MWTs at two consecutive study visits (6MWD reduction), and drop in WHO \& 6MWD reduction. Some participants have fulfilled more than one criterion. Therefore, the sum of individual components may be higher than the total number of participants with clinical worsening.

    Measured: 204 weeks

Timeline

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

  1. First posted6 May 2010 (estimated)
  2. Study startApr 2010
  3. Primary completionApr 2014
  4. Study completionApr 2014

Why it stopped: Novartis discontinued the development of imatinib in PAH due to requirement of regulatory authorities for additional data to secure marketing approval in PAH.

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
Non-randomised
Intervention model
Single group
Masking
None (open label)
Enrolment
144 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01117987
Sponsor's protocol ID
CQTI571A2301E1
Other IDs
2009-018167-26, 2009
Acronym
IMPRES Extn
Status last verified
Jul 2015
First submitted
3 May 2010
Last updated
13 Aug 2015
Data monitoring committee
Yes

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Imatinib in people with Pulmonary Arterial Hypertension, run by Novartis Pharmaceuticals at 59 sites in 13 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 2 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: stopped early, as of the sponsor's last update on 13 Aug 2015. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 59 sites in United States, Germany, Spain, Japan, United Kingdom and 8 more countries. 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?

Yes. Results are posted in the registry (first posted 21 May 2015). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Number of Participants With Adverse Events, Serious Adverse Events and Deaths (time frame: 204 weeks). 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 13 Aug 2015.

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