Last Update: Apr 29, 2026
A Randomized, Double-blind, Placebo-controlled Study to Evaluate the Safety, Tolerability and Pharmacokinetics of Single and Multiple Ascending Doses of LTP001 in Healthy Adult Participants (Part A) and to Evaluate the Efficacy and Safety of LTP001 for the Treatment of Participants With Pulmonary Arterial Hypertension (Part B)
ClinicalTrials.gov Identifier:
Novartis Reference Number:CLTP001A12202
All compounds are either investigational or being studied for (a) new use(s). Efficacy and safety have not been established. There is no guarantee that they will become commercially available for the use(s) under investigation.

Study Description

A study to learn about the treatment LTP001 in healthy participants (Part A) and in participants with PAH (Part B) The CLTP001A12202 study will explore the safety, tolerability, and pharmacokinetics of LTP001 in healthy volunteers (Part A) and will evaluate the safety and efficacy (Part B) followed by safety extension in participants with pulmonary arterial hypertension.

Healthy Volunteers, Pulmonary Arterial Hypertension
Phase1, Phase2
Recruiting
232
Oct 24, 2024
Dec 31, 2028
All
18 Years - 100 Years (Adult, Older Adult)

Interventions

Drug

LTP

LTP001
Drug

Placebo

Placebo

Eligibility Criteria

Part A Inclusion Criteria:

* Healthy males and non-child-bearing potential females

Part A Exclusion Criteria:

* Clinically significant ECG or cardiac abnormalities, any surgical or medical condition which might significantly alter the absorption, distribution, metabolism, or excretion of drugs, or which may jeopardize the participant in the study Other protocol-defined inclusion/exclusion criteria may apply.
* For Japanese cohorts: participants per protocol should be first generation Japanese or up to third generation Japanese as defined in inclusion criteria 7 of the protocol.

Part B Inclusion Criteria:

-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 B Exclusion Criteria:

Any surgical or medical condition which may place the participant at higher risk from his/her participation in the study Women of child-bearing potential unless they are using highly effective methods of contraception Sexually active males unwilling to use a condom during intercourse while taking study treatment and for 24 hours after stopping study treatment.

History of hypersensitivity to any of the study treatments or excipients

Other protocol-defined inclusion / exclusion criteria may apply

Novartis Investigative Site

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San Miguel de Tucumán,4000,Argentina

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Río Cuarto,X5800aev,Argentina

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CABA,C1426abp,Argentina

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Buenos Aires,Buenos Aires F.D.,1199,Argentina

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Santa Fe,S3000eoz,Argentina

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New Lambton Heights,New South Wales,2305,Australia

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Camperdown,New South Wales,2050,Australia

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Adelaide,South Australia,5000,Australia

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Darlinghurst,New South Wales,2010,Australia

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Leuven,Vlaams Brabant,3000,Belgium

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Porto Alegre,Rio Grande do Sul,90035-074,Brazil

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Prague,128 08,Czechia

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Prague,14021,Czechia

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Toulouse,31059,France

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Pessac,33604,France

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Vandœuvre-lès-Nancy,54511,France

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Strasbourg,67091,France

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Saint-Priest-en-Jarez,42270,France

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Poitiers,86021,France

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Angers,France,49933,France

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Nice,06001,France

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Montpellier,34295,France

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Brest,29200,France

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Clamart,92141,France

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Grenoble,38043,France

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Dresden,Saxony,01307,Germany

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Berlin,13125,Germany

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Giessen,35392,Germany

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Greifswald,17475,Germany

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Homburg,66421,Germany

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Regensburg,Bavaria,93053,Germany

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Heidelberg,69120,Germany

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Berlin,14050,Germany

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Thessaloniki,54636,Greece

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Chaïdári,124 62,Greece

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Athens,106 76,Greece

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Sassari,SS,07100,Italy

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Palermo,PA,90127,Italy

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Monza,MB,20900,Italy

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Foggia,FG,71122,Italy

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Pavia,PV,27100,Italy

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Roma,RM,00161,Italy

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Trieste,TS,34149,Italy

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Ivrea,TO,10015,Italy

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Riga,Lv 1002,Latvia

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San Luis Potosí City,San Luis Potosí,78200,Mexico

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Monterrey,Nuevo León,64460,Mexico

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Poznan,61 545,Poland

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Lisbon,1769 001,Portugal

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Almada,2805-267,Portugal

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Bucharest,050159,Romania

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Timișoara,Timiș County,300310,Romania

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Kamenitz,21204,Serbia

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Niš,18108,Serbia

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Belgrade,Serbia,11000,Serbia

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Las Palmas de Gran C,Las Palmas,35016,Spain

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Seville,41013,Spain

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Toledo,Castille-La Mancha,45071,Spain

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Barcelona,08035,Spain

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Santiago Compostela,A Coruna,15706,Spain

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Marbella,Andalusia,29600,Spain

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Barcelona,Catalonia,08003,Spain

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Cambridge,Cb2 0ay,United Kingdom

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Sheffield,South Yorkshire,S10 2jf,United Kingdom

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London,Ec1a 7be,United Kingdom

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London,Sw3 6ph,United Kingdom

Allegheny General Hospital

Recruiting

Pittsburgh,Pennsylvania,15212-4756,United States

Hayah Kassis-George

Statcare Pulmonary Consultants

Recruiting

Knoxville,Tennessee,37919,United States

John Swisher

PPD Development LP

Recruiting

Austin,Texas,78744,United States

Jia Chang

Stanford Medical Center

Recruiting

Stanford,California,94305,United States

Roham Zamanian

Norton Infectious Diseases Specialists

Recruiting

Louisville,Kentucky,40202,United States

John Wesley McConnell

The University of Utah

Recruiting

Salt Lake City,Utah,84132-0001,United States

Katharine Clapham

Pul Ass Richmond Inc P A R

Recruiting

Richmond,Virginia,23230-1709,United States

Shilpa Johri

U of Kansas Medical Center

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Kansas City,Kansas,66160,United States

Leslie Spikes

Summit Health Eastside Clinic

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Bend,Oregon,97701,United States

Jeremy Feldman

Univ Colorado Hospital

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Aurora,Colorado,80045,United States

David B Badesch

Tufts Medical Center

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Boston,Massachusetts,02111,United States

Nicholas Hill

UT Southwestern Medical Center

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Dallas,Texas,75390,United States

Kelly Chin

Arizona Pulmonary Specialists Ltd

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Scottsdale,Arizona,85258,United States

Akshay Muralidhar

UC Irvine Medical Center

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Orange,California,92868-3298,United States

Bassam Yaghmour

Central Florida Pulmonary Group

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Orlando,Florida,32803-5734,United States

Syed Mobin

University of South Florida

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Tampa,Florida,33606-3475,United States

Ricardo Restrepo-Jaramillo

Emory University School of Medicine

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Atlanta,Georgia,30322,United States

Micah Fisher

Lahey Hospital and Medical Center

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Burlington,Massachusetts,01805,United States

Ioana Preston

Sky Integrative Medical Center SKYCRNG PPDS

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Ridgeland,Mississippi,39157-5179,United States

Bob Hutchins

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