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Liver DiseasesPhase 1NCT06340347

A Study to Learn How the Body Processes the Study Medicine Called Osivelotor (PF-07940367) in People With Loss of Liver Function

A Phase 1 study testing Osivelotor in people with Liver Diseases, run by Pfizer at 3 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to understand how Osivelotor is processed in people with loss of liver function. This study is seeking participants that are: stable loss of liver function with mild or moderate severity none of underlying conditions possibly affecting the study medicine being absorbed by the body All… Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Liver Diseases
What is being tested?
Osivelotor
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
8 participants
Where
3 sitesUnited States
Study dates
30 Apr 2024to 18 Sep 2024
Phase
Phase 1
Are there results?
None posted in the registry

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

  • Body mass index (BMI) of 16 to 40 kg/m2, inclusive; and a total body weight greater than 50 kg (greater than 110 lb)
  • Stable hepatic impairment that meets the criteria for Class A or B of the Child Pugh classification with no clinically significant change in disease status within the 28 days prior to the screening visit
  • Stable concomitant medications for the management of individual participants' medical history

Who cannot join

  • Any condition possibly affecting drug absorption (eg, prior bariatric surgery, gastrectomy, ileal resection, prior status portacaval shunt surgery);
  • Hepatic carcinoma or hepatorenal syndrome or limited predicted life expectancy;
  • A diagnosis of hepatic dysfunction secondary to any acute ongoing hepatocellular process that is documented by medical history, physical examination, liver biopsy, hepatic ultrasound, computerized tomography scan, or MRI;
  • Presence of clinically active Stage 3 or 4 hepatic encephalopathy. Clinically active Stage 2 encephalopathy is allowed if, in the opinion of the investigator, the participant is able to provide informed consent.

Trial locations and contacts

3 sites in 1 country.

United States3 sites
  • Orange County Research Center

    Lake Forest, California, 92630

  • Thomas Jefferson University-Pharmacology, Physiology and Cancer Biology

    Philadelphia, Pennsylvania, 19107

  • Genesis Clinical Research, LLC

    Tampa, Florida, 33603

Other trials in United States

About this study

Official title: A PHASE 1, OPEN-LABEL, SINGLE-DOSE, NON-RANDOMIZED PARALLEL GROUP STUDY TO COMPARE THE PHARMACOKINETICS, SAFETY, AND TOLERABILITY OF OSIVELOTOR (PF-07940367) IN ADULT PARTICIPANTS WITH MILD AND MODERATE HEPATIC IMPAIRMENT

The purpose of this study is to understand how Osivelotor is processed in people with loss of liver function.

This study is seeking participants that are:

Read more
  • stable loss of liver function with mild or moderate severity
  • none of underlying conditions possibly affecting the study medicine being absorbed by the body

All participants will receive one amount of Osivelotor by mouth before breakfast on the first day at the study clinic. A number of blood samples will be collected to understand how Osivelotor is changed and removed from the body. Participants will also have to undergo physical examination and other tests. This will help to understand if Osivelotor is safe.

Participants will take part in the study for a maximum of 112 days. During this time, participants will have to stay onsite for 5 days. There will be 5 study visits at the study clinic.

Conditions
Liver Diseases
Being tested
Osivelotor
Medical subject headings
Liver Diseases

What participants receive

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

  • OsivelotorDrug

    a single dose of osivelotor administered by mouth under fasted conditions

    Other Names:

    PF-07940367

Study groups in NCT06340347
Study groupRoleWhat they receive
Group 1ExperimentalParticipants with moderate hepatic impairment will receive a single dose of osivelotor, administered orally under fasted conditions.
Receives: Drug: Osivelotor
Group 2ExperimentalParticipants with mild hepatic impairment will receive a single dose of osivelotor, administered orally under fasted conditions.
Receives: Drug: Osivelotor

What is being measured

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

  1. Area under the whole blood and plasma concentration versus time curve (AUC) from time zero (pre-dose) to the last quantifiable concentration (AUClast) of osivelotor

    Measured: 0 hours (pre-dose) to 84 days post-osivelotor dose

  2. Area under the whole blood and plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (AUCinf) of osivelotor

    Measured: 0 hours (pre-dose) to 84 days post-osivelotor dose

  3. Maximum observed whole blood and plasma concentration (Cmax) of osivelotor

    Measured: 0 hours (pre-dose) to 84 days post-osivelotor dose

Secondary outcomes (4)
  1. Number of Participants With Treatment-Emergent Adverse Events (AEs)

    Measured: From baseline up to 56 days after osivelotor dose

  2. Number of Participants With Clinically Significant Laboratory Abnormalities

    Measured: From baseline up to 84 days after osivelotor dose

  3. Number of Participants With Clinically Significant Electrocardiogram (ECG) Findings

    Measured: From baseline up to 84 days after osivelotor dose

  4. Number of Participants With Clinically Significant With Clinically Significant Vital Signs

    Measured: From baseline up to 84 days after osivelotor dose

Timeline

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

  1. First posted1 Apr 2024
  2. Study start30 Apr 2024
  3. Primary completion18 Sep 2024
  4. Study completion18 Sep 2024

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 1
Primary purpose
Basic science
Allocation
Non-randomised
Intervention model
Parallel groups
Model description
An open label, single dose, parallel cohort study
Masking
None (open label)
Enrolment
8 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06340347
Sponsor's protocol ID
C5351010
Other IDs
GBT601
Status last verified
Jan 2025
First submitted
25 Mar 2024
Last updated
10 Jan 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No: 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.

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Osivelotor in people with Liver Diseases, run by Pfizer at 3 sites in United States.

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 3 inclusion and 4 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: finished, as of the sponsor's last update on 10 Jan 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 3 sites in United States. 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 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Area under the whole blood and plasma concentration versus time curve (AUC) from time zero (pre-dose) to the last quantifiable concentration (AUClast) of osivelotor (time frame: 0 hours (pre-dose) to 84 days post-osivelotor dose). The study lists 3 primary outcomes in all. 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 10 Jan 2025.

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