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Central Nervous System DiseasesPhase 2NCT05590884

Gadopiclenol Pharmacokinetics, Safety and Efficacy in Children < 2 Years of Age

A Phase 2 study testing Gadopiclenol in people with Central Nervous System Diseases and Pediatric Disorder, run by Guerbet at 11 sites in 3 countries.

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

This Phase II open-label, uncontrolled, multicenter trial is designed to investigate the pharmacokinetic (PK) profile of gadopiclenol in plasma, in pediatric patients aged up to 23 months inclusive (term neonates or preterm infants after the neonatal period), using a population PK approach. Read more about this study

Who is it for?
Ages Up to 23 months
What is being tested?
Gadopiclenol
Could I receive a placebo?
No, everyone receives an active treatment
How many people
36 participants
Where
11 sitesin 3 countries
Study dates
21 Sep 2022to 30 Sep 2024
Phase
Phase 2
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 Up to 23 months
  • All sexes
  • No healthy volunteers
  • Child

Main Inclusion Criteria:

  1. Female or male pediatric patient aged from birth to 23 months of age inclusive (term neonates for all age groups or preterm infants after the neonatal period for groups 1 or 2). The neonatal period for preterm newborns is defined as the day of birth through the expected date of delivery plus 27 days. Term is defined as ≥37 completed weeks of amenorrhea,
  2. Patient with known or highly suspected abnormalities/ lesion(s), scheduled to undergo contrast-enhanced MRI of any body region including CNS [...]

Main Exclusion Criteria:

  1. Patient planned for treatment or procedure (e.g. surgery) that would prevent from obtaining the required blood samples or performing other trial procedures between the screening visit and up to one day after gadopiclenol administration,
  2. Patient undergoing treatment or procedure (e.g., diuretics, clinically significant blood loss or blood transfusion) preceding or subsequent to gadopiclenol administration that would alter gadopiclenol pharmacokinetic parameters,
  3. Patient with acute or chronic renal insufficiency defined as estimated Glomerular Filtration Rate (eGFR) out of age-adjusted normal value calculated based on bedside Schwartz equation, [...]
  4. Patient undergoing a change in chemotherapy (product or dosage) within one day prior to or one day after gadopiclenol administration, 10. Patient who received or will receive any other contrast agent for CT and/or MRI within one week prior to or one week after gadopiclenol administration, 11. Patient with contraindication for MRI such as iron metal implants (e.g., aneurysm clips, pacemaker), 12. Patient with history of anaphylactoid or anaphylactic reaction to any allergen including drugs and contrast agents [...]

Trial locations and contacts

11 sites in 3 countries.

11 sites in 3 countries

Poland6 sites
  • Szpital Uniwersytecki nr 1 im. dr Antoniego Jurasza

    Bydgoszcz

  • Instytut Centrum Zdrowia Matki Polki

    Lodz

  • Uniwersytecki Szpital Dzieciecy

    Lublin

  • Kliniczny Szpital Wojewodzki Nr 2 im. Sw. Jadwigi Krolowej

    Rzeszów

  • Uniwersyteckie Centrum Kliniczne Warszawskiego

    Warsaw, 02-091

  • Instytut "Pomnik - Centrum Zdrowia Dziecka"

    Warsaw

Other trials in Poland

Hungary3 sites
  • Semmelweis Egyetem

    Budapest, 1094

  • Országos Idegtudományi Intézet

    Budapest

  • University of Debrecen Clinical Center Pediatric Department

    Debrecen

Other trials in Hungary

United States2 sites
  • Medical University of South Carolina

    Charleston, South Carolina, 29425-8908

  • Cincinnatti Childrens Hospital

    Cincinnati, Ohio, 45229

Other trials in United States

About this study

Official title: Gadopiclenol Pharmacokinetics, Safety and Efficacy in Pediatric Patients < 2 Years of Age

This Phase II open-label, uncontrolled, multicenter trial is designed to investigate the pharmacokinetic (PK) profile of gadopiclenol in plasma, in pediatric patients aged up to 23 months inclusive (term neonates or preterm infants after the neonatal period), using a population PK approach.

Primary objective is to evaluate the PK profile of gadopiclenol in plasma following single intravenous injection of 0.05 mmol/kg body weight (BW) in pediatric population aged up to 23 months (inclusive) scheduled for a contrast-enhanced MRI examination of any body region including central nervous system (CNS).

Read the detailed description

Three age groups are defined:

  • Group 1: patients aged 3 to 23 months (inclusive)
  • Group 2: patients aged 28 days to less than 3 months;
  • Group 3: patients aged from birth to 27 days (term newborns).

At study set-up, the inclusions started with the oldest patients in group 1 and using an age-down staggered approach.

The decision to start the inclusions in group 2 was taken by the Trial Safety Review Board based on safety assessment over one-day period after injection of the first 13 patients in group 1.

According to the protocol version 4 (amendments 2 \& 3), the age-down staggered approach was discontinued to allow the inclusions in Group 3 (patients aged from birth to 27 days), simultaneously to inclusions in group 1 and group 2.

A total of 3 blood samples per patient were taken post-injection for PK analysis.

Being tested
Gadopiclenol
Medical subject headings
Central Nervous System Diseases

What participants receive

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

  • GadopiclenolDrug

    Also called Elucirem

    Patients will receive a single dose of gadopiclenol calculated according to their BW on the day of MRI examination. Gadopiclenol will be administered at a dose of 0.05 mmol/kg BW (0.1 mL/kg BW).

Study groups in NCT05590884
Study groupRoleWhat they receive
Age Group 1: patients aged 3 to 23 monthsExperimentalOne Investigational Medicinal Product (IMP) dose of 0.05 mmol/kg will be injected in all patients.
Receives: Drug: Gadopiclenol
Age Group 2: patients aged 28 days to less than 3 monthsExperimentalOne Investigational Medicinal Product (IMP) dose of 0.05 mmol/kg will be injected in all patients.
Receives: Drug: Gadopiclenol
Age Group 3: patients aged from birth to 27 days (term newborns)ExperimentalOne Investigational Medicinal Product (IMP) dose of 0.05 mmol/kg will be injected in all patients.
Receives: Drug: Gadopiclenol

What is being measured

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

  1. Area Under the Curve (AUCinf)

    Exposure parameter by age group predicted from the final model in participants with normal renal function receiving gadopiclenol at a dose of 0.05 mmol/kg

    Measured: A total of 3 blood samples per patient were collected post-injection of gadopiclenol for PK analysis, one within each window (10-60 minutes, 2-4 hours and 6-8 hours)

  2. Elimination Half-life (t1/2α)

    Exposure parameter by age group predicted from the final model in participants with normal renal function receiving gadopiclenol at a dose of 0.05 mmol/kg

    Measured: A total of 3 blood samples per patient were collected post-injection of gadopiclenol for PK analysis, one within each window (10-60 minutes, 2-4 hours and 6-8 hours).

  3. Terminal Half-life (t1/2β)

    Exposure parameter by age group predicted from the final model in participants with normal renal function receiving gadopiclenol at a dose of 0.05 mmol/kg

    Measured: A total of 3 blood samples per patient were collected post-injection of gadopiclenol for PK analysis, one within each window (10-60 minutes, 2-4 hours and 6-8 hours).

  4. Gadopiclenol Concentrations 10 Min Post-injection (C10 Min)

    Exposure parameter by age group predicted from the final model in participants with normal renal function receiving gadopiclenol at a dose of 0.05 mmol/kg

    Measured: blood sample collection 10 minutes post-injection of gadopiclenol for analysis

  5. Gadopiclenol Concentration 20 Min Post-injection (C20 Min)

    Exposure parameter by age group predicted from the final model in participants with normal renal function receiving gadopiclenol at a dose of 0.05 mmol/kg

    Measured: blood sample collection 20 minutes post-injection of gadopiclenol

  6. Gadopiclenol Concentrations 30 Min Post-injection (C30 Min)

    Exposure parameter by age group predicted from the final model in participants with normal renal function receiving gadopiclenol at a dose of 0.05 mmol/kg

    Measured: blood sample collection 30 minutes post-injection of gadopiclenol

  7. Clearance

    Individual predicted final model parameter scaled by body weight

    Measured: A total of 3 blood samples per patient were collected post-injection of gadopiclenol for PK analysis, one within each window (10-60 minutes, 2-4 hours and 6-8 hours).

  8. Central Volume of Distribution (V1)

    Individual predicted final model parameter scaled by body weight

    Measured: A total of 3 blood samples per patient were collected post-injection of gadopiclenol for PK analysis, one within each window (10-60 minutes, 2-4 hours and 6-8 hours).

  9. Inter-compartment Clearance (Q)

    Individual predicted final model parameter scaled by body weight

    Measured: A total of 3 blood samples per patient were collected post-injection of gadopiclenol for PK analysis, one within each window (10-60 minutes, 2-4 hours and 6-8 hours).

  10. Peripheral Volume of Distribution (V2)

    Individual predicted final model parameter scaled by body weight

    Measured: A total of 3 blood samples per patient were collected post-injection of gadopiclenol for PK analysis, one within each window (10-60 minutes, 2-4 hours and 6-8 hours).

Timeline

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

  1. First posted21 Oct 2022
  2. Study start21 Sep 2022
  3. Primary completion30 Sep 2024
  4. Study completion30 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 2
Primary purpose
Diagnosis
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
36 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05590884
Sponsor's protocol ID
GDX-44-015
Status last verified
Oct 2025
First submitted
18 Oct 2022
Last updated
28 Oct 2025
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Gadopiclenol in people with Central Nervous System Diseases and Pediatric Disorder, run by Guerbet at 11 sites in 3 countries.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

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 28 Oct 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 11 sites in Poland, Hungary, 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

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 28 Oct 2025). 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?

Area Under the Curve (AUCinf) (time frame: A total of 3 blood samples per patient were collected post-injection of gadopiclenol for PK analysis, one within each window (10-60 minutes, 2-4 hours and 6-8 hours)). The study lists 10 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 28 Oct 2025; AzTrials last refreshed its copy on 8 Nov 2026.

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