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Gastroesophageal Reflux DiseasePhase 1NCT06106022

A Study to Evaluate Vonoprazan in Children Who Have Symptomatic Gastroesophageal Reflux Disease

A Phase 1 study testing Vonoprazan in people with Gastroesophageal Reflux Disease, run by Phathom Pharmaceuticals, Inc. at 13 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 aim of this study is to evaluate the pharmacokinetic (PK) profile of vonoprazan (10 or 20 mg once daily [QD]) in children ≥ 6 to < 12 years of age who have symptomatic Gastroesophageal Reflux Disease (GERD). Read more about this study

Who is it for?
Ages 6 to 11 years
Conditions the study is for
Gastroesophageal Reflux Disease
What is being tested?
Vonoprazan
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
22 participants
Where
13 sitesUnited States
Study dates
1 Nov 2023to 29 Apr 2024
Phase
Phase 1
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 6 to 11 years
  • All sexes
  • No healthy volunteers
  • Child

Who may be able to join

  • The participant has a body weight within the 5th through 95th percentile by age, inclusive, as determined by the National Center for Health Statistics.
  • The participant must have a diagnosis of GERD prior to randomization and medical history of signs or symptoms of GERD for at least 3 months prior to screening, based on physical examination, current symptoms (eg, heartburn), or diagnostic tests (eg, pH or endoscopy). Notes in the medical records and/or other source documents, such as prior endoscopies, can be used to support the diagnosis and will be recorded in the electronic case report form (eCRF).
  • The participant has at least one moderate GERD symptom based on the GERD Symptom Assessment Investigator scale performed at screening.
  • The participant must be able to swallow study drug tablet with water.
  • Parent or legal guardian (ie, legally authorized representative [LAR]) is willing and able to complete the informed consent process and participants are able to comply with study procedures and visit schedule.
  • Female participants who have experienced menarche must have a negative pregnancy test and will be counseled on pregnancy avoidance.

Who cannot join

  • The participant has used prescription or non-prescription proton pump inhibitors (PPIs) or histamine-2 receptor antagonist (H2RAs) within 7 days prior to randomization or requires use during the Treatment Period.
  • The participant has used sucralfate, or antacids within 1 day prior to randomization or requires their use during the Treatment Period.
  • The participant has received other agents affecting digestive organs, including muscarinic antagonists (eg, hyoscyamine), prokinetics, oral anticholinergic agents, prostaglandins, bismuth from 30 days prior to Day 1 or requires their use during the course of the study.
  • The participant has received atazanavir sulfate or rilpivirine hydrochloride from 5 days prior to Day 1 or requires their use during the course of the study.
  • The participant has received any investigational compound (including vonoprazan) within 30 days prior to the start of the Screening Period.
  • The participant is an immediate family member or is in a dependent relationship with a study site employee who is involved in the conduct of this study (eg, child, sibling) or participant may have consented under duress.
Show all 19Show fewer
  • The participant requires hospitalization or has surgery scheduled during the course of the study or has undergone major surgical procedures within 30 days prior to the Screening Period.
  • The participant has undergone prior gastrointestinal surgeries.
  • The participant has any abnormal laboratory test values that are considered clinically significant in the opinion of the investigator during the Screening Period.
  • The participant has a history of hypersensitivity or allergies to vonoprazan (including the formulation excipients: D-mannitol, microcrystalline cellulose, hydroxypropylcellulose, fumaric acid, ascorbic acid, croscarmellose sodium, magnesium stearate, hypromellose, macrogol 8000, and titanium dioxide, or red or yellow ferric oxide).
  • The participant has used any prescription or over-the-counter medications (including herbal or nutritional supplements), other than those already excluded in criteria 1 to 5 above, within 14 days before the first dose of study drug or throughout the study. That is, unless the medication(s) is permitted by the sponsor following a review of available data which confirms concomitant administration of the medication is unlikely to affect either the safety of the participant or the pharmacokinetics of vonoprazan.
  • The participant has consumed grapefruit or grapefruit juice, Seville orange or Seville orange-containing products (eg, marmalade), or other food products that may be CYP3A4 inhibitors (eg, vegetables from the mustard green family [kale, broccoli, watercress, collard greens, kohlrabi, Brussels sprouts, mustard] and charbroiled meats) within 7 days (or 5 half-lives) before the first dose of study drug or throughout the study.
  • The participant has positive results at screening for human immunodeficiency virus, hepatitis B virus, or hepatitis C virus (HCV).
  • The participant has severe renal impairment (estimated glomerular filtration rate < 30 mL/min).
  • The participant has moderate to severe hepatic impairment (Child-Pugh Class B and Child-Pugh Class C).
  • The participant has any of the following abnormal laboratory test values at the start of the Screening Period:
  • Creatinine levels: >0.8 mg/dL (>70 μmol/L).
  • Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >2 × the upper limit of normal (ULN) or total bilirubin >2 × ULN (except participants with Gilbert Syndrome).
  • In the opinion of the investigator, the participant is not suitable for entry into the study.

Trial locations and contacts

13 sites in 1 country.

13 sites in 1 country

United States13 sites
  • Children's Center for Digestive Health Care, LLC

    Atlanta, Georgia, 30342

  • PriMED Clinical Research

    Dayton, Ohio, 45429

  • Maspons Pediatric Gastro

    El Paso, Texas, 79902

  • Stryde Research - NxT Step Pediatrics

    Frisco, Texas, 75033

  • Cyn3rgy Research

    Gresham, Oregon, 97030

  • Med Research Associates, Inc

    Hollywood, Florida, 33024

  • Riley Hospital for Children at IU Health

    Indianapolis, Indiana, 46202

  • Preferred Research Partners, Inc.

    Little Rock, Arkansas, 72211

  • Tandem Clinical Research GI, LLC

    Marrero, Louisiana, 70072

  • Strada Patient Care Center

    Mobile, Alabama, 36604

  • Avanza Medical Research Center

    Pensacola, Florida, 32503

  • International Center for Research

    Tampa, Florida, 33614

  • Advantage Clinical Trials

    The Bronx, New York, 10467

Other trials in United States

About this study

Official title: A Phase 1, Randomized, Parallel-group, Open-label, Multicenter Study to Evaluate the Pharmacokinetics, Pharmacodynamics and Safety of Vonoprazan (10 or 20 mg Once Daily) in Children Aged ≥ 6 to < 12 Years Who Have Symptomatic Gastroesophageal Reflux Disease

The aim of this study is to evaluate the pharmacokinetic (PK) profile of vonoprazan (10 or 20 mg once daily [QD]) in children ≥ 6 to < 12 years of age who have symptomatic Gastroesophageal Reflux Disease (GERD).

Being tested
Vonoprazan
Keywords
Gastrology, Vonoprazan, Gastroesophageal Reflux Disease, Children, GERD, Pharmacokinetics
Medical subject headings
Gastroesophageal Reflux

What participants receive

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

  • VonoprazanDrug

    Administered orally

Study groups in NCT06106022
Study groupRoleWhat they receive
Vonoprazan 10mgExperimentalParticipants will receive vonoprazan 10mg QD for 14 days.
Receives: Drug: Vonoprazan
Vonoprazan 20mgExperimentalParticipants will receive vonoprazan 20mg QD for 14 days.
Receives: Drug: Vonoprazan

What is being measured

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

  1. Maximum Drug Concentration at Steady-state (Cmax,ss) of Vonoprazan

    Plasma pharmacokinetic (PK) parameters were estimated using a non-linear mixed effects model and were determined from the concentration-time data for all evaluable participants. Actual sampling times, rather than scheduled or nominal sampling times, were used in all computations using sampling time. Data presented based on collections on both Day 7 and Day 14.

    Measured: Day 7: pre-dose, 0.5 to 1.5 hour and 2.5 to 3.5 hours post dose; Day 14: pre-dose, 1 to 2 hours and 3 to 4 hours post dose

  2. Area Under the Plasma Concentration-time Curve During the Dosing Interval τ at Steady State (AUCτ,ss) of Vonoprazan

    Plasma PK parameters were estimated using a non-linear mixed effects model and were determined from the concentration-time data for all evaluable participants. Actual sampling times, rather than scheduled or nominal sampling times, were used in all computations using sampling time. Data presented based on collections on both Day 7 and Day 14.

    Measured: Day 7: pre-dose, 0.5 to 1.5 hour and 2.5 to 3.5 hours post dose; Day 14: pre-dose, 1 to 2 hours and 3 to 4 hours post dose

  3. Apparent Oral Clearance (CL/F) at Steady State of Vonoprazan

    Oral PK parameters were estimated using a non-linear mixed effects model and were determined from the concentration-time data for all evaluable participants. Actual sampling times, rather than scheduled or nominal sampling times, were used in all computations using sampling time. Data presented based on collections on both Day 7 and Day 14.

    Measured: Day 7: pre-dose, 0.5 to 1.5 hour and 2.5 to 3.5 hours post dose; Day 14: pre-dose, 1 to 2 hours and 3 to 4 hours post dose

  4. Apparent Central Volume of Distribution (Vz/F) at Steady State of Vonoprazan

    Plasma PK parameters were estimated using a non-linear mixed effects model and were determined from the concentration-time data for all evaluable participants. Actual sampling times, rather than scheduled or nominal sampling times, were used in all computations using sampling time. Data presented based on collections on both Day 7 and Day 14.

    Measured: Day 7: pre-dose, 0.5 to 1.5 hour and 2.5 to 3.5 hours post dose; Day 14: pre-dose, 1 to 2 hours and 3 to 4 hours post dose

Timeline

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

  1. First posted30 Oct 2023
  2. Study start1 Nov 2023
  3. Primary completion16 Apr 2024
  4. Study completion29 Apr 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
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
22 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06106022
Sponsor's protocol ID
VPED-103
Other IDs
2022-003228-42
Status last verified
Dec 2024
First submitted
24 Oct 2023
Last updated
19 Dec 2024
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Vonoprazan in people with Gastroesophageal Reflux Disease, run by Phathom Pharmaceuticals, Inc. at 13 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 6 inclusion and 19 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 19 Dec 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 13 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?

Yes. Results are posted in the registry (first posted 19 Dec 2024). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Maximum Drug Concentration at Steady-state (Cmax,ss) of Vonoprazan (time frame: Day 7: pre-dose, 0.5 to 1.5 hour and 2.5 to 3.5 hours post dose; Day 14: pre-dose, 1 to 2 hours and 3 to 4 hours post dose). The study lists 4 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 19 Dec 2024.

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