A Study of LTP001 for Pulmonary Arterial Hypertension

This study is testing a treatment called LTP001. It has two parts. Part A is for healthy volunteers to learn about the safety and how LTP001 moves through the body. Part B is for people with pulmonary arterial hypertension (PAH), a condition where blood pressure in the arteries of the lungs is too high. In Part B, researchers will look at the safety and how well LTP001 works compared to a placebo (an inactive substance). The study aims to see if LTP001 can improve pulmonary vascular resistance (PVR), which is a measure of blood flow through the lungs. You can join if you are between 18 and 100 years old. The current recruitment status is unclear.

Study design
This interventional study plans to enroll 232 participants. It involves comparing LTP001 to a placebo.
What's involved
Participants in Part A will be monitored for adverse events for 35 days. Participants in Part B will have their pulmonary vascular resistance measured for 24 weeks and be monitored for adverse events for up to 106 weeks.
Compensation
Not stated in the trial record.
Follow-up
Participants in Part A will be followed for 35 days. Participants in Part B will be followed for up to 106 weeks after treatment begins.

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NCT06649110

A Study to Learn About the Treatment LTP001 in Healthy Participants (Part A) and in Participants With PAH (Part B)

Recruiting
PHASE1Ages 18+InterventionalTreatment
Novartis Pharmaceuticals
~232 participants
Updated 2026-07-21 on ClinicalTrials.gov
What's tested:LTPPlacebo

At a glance

Recruiting sites
87 of 87 listed sites are recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
Part A- Number of participants with Adverse events (AEs) and Serious Adverse events (SAEs)
Measured over Baseline to Day 35
+2 more outcomes measured
Healthy Volunteers, Pulmonary Arterial Hypertension

NCT06649110

Where you'd take part

This study runs at 87 sites. They're the same protocol — you choose where, and that choice sets who your contact draft is addressed to.

  • Arizona Pulmonary Specialists Ltd

    Scottsdale, Arizonastudy coordinator listed

    Recruiting

  • Central Florida Pulmonary Group

    Orlando, Floridastudy coordinator listed

    Recruiting

  • Emory University School of Medicine

    Atlanta, Georgiastudy coordinator listed

    Recruiting

  • Lahey Hospital and Medical Center

    Burlington, Massachusettsstudy coordinator listed

    Recruiting

  • Norton Infectious Diseases Specialists

    Louisville, Kentuckystudy coordinator listed

    Recruiting

  • PPD Development LP

    Austin, Texasstudy coordinator listed

    Recruiting

  • Pul Ass Richmond Inc P A R

    Richmond, Virginiastudy coordinator listed

    Recruiting

  • Stanford Medical Center

    Stanford, Californiastudy coordinator listed

    Recruiting

Sites open and close at different times, so the status above is per site — it can differ from the study's overall status.

  • Novartis Pharmaceuticals · STUDY_DIRECTOR · Novartis Pharmaceuticals

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Eligibility criteria

Inclusion

Healthy males and non-child-bearing potential females
Confirmed diagnosis of PAH, pre-randomization PVR ≥400 dyn.sec.cm-5, treatment with stable doses of standard-of-care PAH therapies, 6-minute walk distance ≥ 150 m and ≤450 m.
  • Part A- Number of participants with Adverse events (AEs) and Serious Adverse events (SAEs)Baseline to Day 35

    Safety endpoints, including vital signs, ECG, clinical laboratory evaluations and adverse events up to and including the end-of-study visit.

  • Part B-Treatment Period 1: Change in pulmonary vascular resistance (PVR)Baseline to Week 24

    PVR is a hemodynamic variable of pulmonary circulation and is measured by right heart catheterization.

  • Part B-Treatment Period 2: Number of participants with Adverse events (AEs) and Serious Adverse events (SAEs)From Day 1 until Week 106

    Safety endpoints, including vital signs, ECG, clinical laboratory evaluations, treatment-emergent adverse events and discontinuations due to adverse events.