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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

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

Status
Unknown
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2080221689
Enrollment
Unknown
Registered
2012-01-13
Start date
2012-01-13
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pulmonary Arterial Hypertension

Interventions

investigational material(s) Generic name etc : QTI571 INN of investigational material : Therapeutic category code : 219 Other cardiovascular agents Dosage and Administration for Investigational mater

Sponsors

Novartis Pharma K.K.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 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

Exclusion criteria

Exclusion criteria: 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 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

Design outcomes

Primary

MeasureTime frame
Number of patients with Adverse Events as a measure of the safety and tolerability of QTI571

Secondary

MeasureTime frame
Change in Six-Minute Walk Distance (6MWD) from baseline Time to clinical worsening (TTCW) endpoints

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026