NCT06137742

Brief Summary

The purpose of the study is to learn how the study medicine called PF-07868489 is tolerated and acts in healthy adult people and people with pulmonary arterial hypertension (PAH). Part A: An investigator- and participant-blind, sponsor-open, placebo-controlled, single ascending dose study to assess the safety, tolerability, and pharmacokinetics (PK) of PF-07868489 in healthy adult participants. Part B: A 24-week, randomized, double blind, placebo-controlled study to assess the safety, tolerability, PK, and pharmacodynamics (PD) of PF-07868489 in adult participants with PAH.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
97

participants targeted

Target at P75+ for phase_1

Timeline
3mo left

Started Nov 2023

Typical duration for phase_1

Geographic Reach
14 countries

68 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress92%
Nov 2023Sep 2026

First Submitted

Initial submission to the registry

November 14, 2023

Completed
3 days until next milestone

Study Start

First participant enrolled

November 17, 2023

Completed
1 day until next milestone

First Posted

Study publicly available on registry

November 18, 2023

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 2, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 2, 2026

Last Updated

May 19, 2026

Status Verified

May 1, 2026

Enrollment Period

2.8 years

First QC Date

November 14, 2023

Last Update Submit

May 18, 2026

Conditions

Keywords

pulmonaryhigh lung artery pressure

Outcome Measures

Primary Outcomes (9)

  • Number of Participants with Treatment Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)

    Part A

    Baseline up to Day 113.

  • Number of Participants With Change From Baseline in Laboratory Tests Results

    Part A

    Baseline up to Day 113

  • Number of Participants With Vital Sign Abnormalities

    Part A

    Baseline up to Day 113

  • Number of Participants With Change From Baseline in Electrocardiogram (ECG) Parameters

    Part A

    Baseline up to Day 113

  • Number of Participants with Treatment Emergent Adverse Events (AEs) and Serious Adverse Events (SAEs)

    Part B

    Baseline up to Day 253

  • Number of Participants With Change From Baseline in Laboratory Tests Results

    Part B

    Baseline up to Day 253

  • Number of Participants With Vital Sign Abnormalities

    Part B

    Baseline up to Day 253

  • Number of Participants With Change From Baseline in Electrocardiogram (ECG) Parameters

    Part B

    Baseline up to Day 253

  • Change From Baseline in Pulmonary Vascular Resistance (PVR) at Week24

    repeated doses

    Baseline, Week 24

Secondary Outcomes (11)

  • Area Under the Plasma Concentration-time Profile From Time Zero to the Time of Last Quantifiable Concentration (AUClast)

    Pre dose, 8, 12, 24, 48,72,96,168,336 hours post dose

  • Area Under the Curve From Time Zero to Extrapolated Infinite Time (AUCinf)

    Pre dose, 8, 12, 24, 48,72,96,168,336 hours post dose

  • Maximum Observed Plasma Concentration (Cmax)

    Pre dose, 8, 12, 24, 48,72,96,168,336 hours post dose

  • Time to Reach Maximum Observed Plasma Concentration (Tmax)

    4-7 days

  • Incidence of Anti-Drug Antibody (ADA)

    Baseline and up to week 16

  • +6 more secondary outcomes

Study Arms (2)

PF-07868489

EXPERIMENTAL

single subcutaneous injection (Part A); 6 subcutaneous injections at regular intervals (Part B)

Drug: PF-07868489

Placebo

PLACEBO COMPARATOR

single subcutaneous injection (Part A); 6 subcutaneous injections at regular intervals (Part B)

Drug: Placebo for PF-07868489

Interventions

Experimental Treatment

PF-07868489

Placebo

Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • overtly healthy
  • Body mass index (BMI) of 16 to 32 kg/m2; and a total body weight \>50 kg.

You may not qualify if:

  • clinically significant hematological, renal, endocrine, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, neurological, infections or allergic disease.
  • smoking more than 10 cigarettes (or equivalent) per day or smoking history ≥10 pack-years.
  • diagnosis of pulmonary arterial hypertension (PAH)
  • stable dose of standard of care PAH vasodilators
  • BMI 16 to 40 kg/m2; and a total body weight \>45 kg.
  • MWD ≥ 150 and ≤ 450.
  • Pre-randomization RHC documenting a minimum of PVR ≥ 400 dyn ∙sec/cm5.
  • Any medical or psychiatric condition or laboratory abnormality.
  • Stopped receiving pulmonary hypertension chronic general supportive therapy 90 days prior to Day 1.
  • Pulmonary capillary wedge pressure \> 15 mmHg on right heart catheterization (RHC) conducted during Screening.
  • History of severe allergic or anaphylactic reaction or hypersensitivity to recombinant proteins or excipients in investigational product.
  • Major surgery within 8 weeks prior to randomization.
  • Participants who smoke more than 10 cigarettes (or equivalent) per day or has a smoking history ≥10 pack-years.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (68)

Anaheim Clinical Trials, LLC

Anaheim, California, 92801, United States

Location

UCI Health - Costa Mesa

Costa Mesa, California, 92627, United States

Location

UCI Health Center for Innovative Health Therapies (CIHT)

Orange, California, 92868, United States

Location

University of California, Irvine Medical Center

Orange, California, 92868, United States

Location

UC Davis Health Medical Center

Sacramento, California, 95817, United States

Location

University of California Davis Health

Sacramento, California, 95817, United States

Location

UCSF Health St. Mary's Hospital

San Francisco, California, 94117, United States

Location

UCSF Helen Diller Medical Center at Parnassus Heights

San Francisco, California, 94143, United States

Location

University of Colorado Anschutz Medical Campus

Aurora, Colorado, 80045, United States

Location

Norton Hospital

Louisville, Kentucky, 40202, United States

Location

Norton Pulmonary Specialists

Louisville, Kentucky, 40202, United States

Location

Icahn school of medicine at Mount Sinai

New York, New York, 10029, United States

Location

Mount Sinai Hospital

New York, New York, 10029, United States

Location

Eastowne 100 Medical Office Building

Chapel Hill, North Carolina, 27514, United States

Location

Eastowne Medical Office Building - Clinical Research Unit

Chapel Hill, North Carolina, 27514, United States

Location

UNC Health - Eastowne Medical Office

Chapel Hill, North Carolina, 27514, United States

Location

UNC Hospitals

Chapel Hill, North Carolina, 27514, United States

Location

Investigational Drug Services Pharmacy

Morrisville, North Carolina, 27560, United States

Location

Rhode Island Hospital

Providence, Rhode Island, 02903, United States

Location

Center for Advanced Lung Care

Providence, Rhode Island, 02904, United States

Location

Medical University of South Carolina - Nexus

Charleston, South Carolina, 29425, United States

Location

Medical University of South Carolina - Radiology

Charleston, South Carolina, 29425, United States

Location

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

Location

Royal Prince Alfred Hospital

Camperdown, New South Wales, 2050, Australia

Location

Pulmonary Hypertension Research Queensland Pty Ltd

Auchenflower, Queensland, 4066, Australia

Location

Wesley Research Institute

Auchenflower, Queensland, 4066, Australia

Location

Université Libre de Bruxelles - Hôpital Erasme

Brussels, Bruxelles-capitale, Région de, 1070, Belgium

Location

UZ Leuven

Leuven, Vlaams-brabant, 3000, Belgium

Location

University Of Alberta Hospital

Edmonton, Alberta, T6G 2B7, Canada

Location

London Health Sciences Centre - Verspeeten Family Cancer Centre

London, Ontario, N6A 5W9, Canada

Location

London Health Sciences Centre - University Hospital

London, Ontario, N6G 2M3, Canada

Location

Guangdong Provincial People's Hospital

Guangzhou, Guangdong, 510080, China

Location

The Second Xiangya Hospital of Central South University

Changsha, Hunan, 410011, China

Location

Zhongda Hospital Southeast University

Nanjing, Jiangsu, 210009, China

Location

Shanghai Pulmonary Hospital

Shanghai, Shanghai Municipality, 200433, China

Location

Vseobecna fakultni nemocnice v Praze

Prague, 12808, Czechia

Location

Institut Klinicke a Experimentalni Mediciny

Prague, 140 21, Czechia

Location

CHRU de Brest

Brest, Finistère, 29200, France

Location

CHRU de Brest

Brest, Finistère, 29609, France

Location

Centre Hospitalier Universitaire de Saint Étienne - Hôpital Nord

Saint Priest En Jarez, Pays de la Loire Region, 42270, France

Location

Chu Grenoble Alpes

La Tronche, 38700, France

Location

Thoraxklinik-Heidelberg gGmbH

Heidelberg, Baden-Wurttemberg, 69126, Germany

Location

Universitätsklinikum Regensburg

Regensburg, Bavaria, 93053, Germany

Location

UKGM Gießen/Marburg

Giessen, Hesse, 35392, Germany

Location

Universitätsmedizin Greifswald

Greifswald, Mecklenburg-Vorpommern, 17475, Germany

Location

Universitaetsklinikum Carl Gustav Carus, Technischen Universitaet Dresden

Dresden, Saxony, 01307, Germany

Location

Onassis Hospital

Kallithea, Attica, 17674, Greece

Location

University General Hospital "ATTIKON" - General Hospital of West Attica "H AGIA VARVARA"

Chaïdári, Attikí, 12462, Greece

Location

AHEPA University General Hospital of Thessaloniki

Thessaloniki, Central Macedonia, 54636, Greece

Location

Fondazione IRCCS San Gerardo dei Tintori

Monza, Monza E Brianza, 20900, Italy

Location

ISMETT Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione

Palermo, 90127, Italy

Location

Fondazione IRCCS Policlinico San Matteo

Pavia, 27100, Italy

Location

Kobe University Hospital

Kobe, Hyōgo, 650-0017, Japan

Location

St. Marianna University Hospital

Kawasaki, Kanagawa, 216-8511, Japan

Location

Tohoku University Hospital

Sendai, Miyagi, 980-8574, Japan

Location

Yokohama City University Hospital

Kanagawa, 236-0004, Japan

Location

National Hospital Organization Okayama Medical Center

Okayama, 701-1154, Japan

Location

Gachon University Gil Medical Center

Namdong-gu, Incheon-gwangyeoksi [incheon], 21565, South Korea

Location

Seoul National University Hospital

Seoul, Seoul-teukbyeolsi [seoul], 03080, South Korea

Location

Severance Hospital, Yonsei University Health System

Seoul, Seoul-teukbyeolsi [seoul], 03722, South Korea

Location

Samsung Medical Center

Seoul, Seoul-teukbyeolsi [seoul], 06351, South Korea

Location

Hospital Universitario Marqués de Valdecilla

Santander, Cantabria, 39008, Spain

Location

Hospital Universitario La Paz

Madrid, Madrid, Comunidad de, 28046, Spain

Location

Hospital Universitario 12 de Octubre

Madrid, 28041, Spain

Location

Hammersmith Hospital

London, London, CITY of, W12 0HS, United Kingdom

Location

Golden Jubilee National Hospital

Clydebank, G81 4DY, United Kingdom

Location

Royal Free London NHS Foundation Trust, Royal Free Hospital

London, NW3 2QG, United Kingdom

Location

Royal Brompton Hospital

London, SW3 6NP, United Kingdom

Location

Related Links

MeSH Terms

Conditions

Pulmonary Arterial Hypertension

Condition Hierarchy (Ancestors)

Hypertension, PulmonaryLung DiseasesRespiratory Tract Diseases

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Part A is an investigator- and participant-blind, sponsor-open, placebo-controlled, single ascending dose. Part B is a 24-week, randomized, double blind, placebo-controlled study.
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Model Details: Part A is a sequential study. Part B is a parallel group study.
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 14, 2023

First Posted

November 18, 2023

Study Start

November 17, 2023

Primary Completion (Estimated)

September 2, 2026

Study Completion (Estimated)

September 2, 2026

Last Updated

May 19, 2026

Record last verified: 2026-05

Data Sharing

IPD Sharing
Will share

Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical\_trials/trial\_data\_and\_results/data\_requests.

More information

Locations