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HealthyPhase 1NCT03135106

A Study to Evaluate the Effect of Fluconazole and Itraconazole on Erdafitinib Pharmacokinetics in Healthy Adult Participants

A Phase 1 study testing Erdafitinib, Fluconazole and Itraconazole in people with Healthy, run by Janssen Research & Development, LLC at 1 site in Belgium.

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 evaluate the effect of multiple doses of fluconazole (an inhibitor of cytochrome P450 [CYP] 2C9 and CYP3A) and itraconazole (an inhibitor of CYP3A4 and P-glycoprotein [P-gp]) on the pharmacokinetics of a single 4-milligram (mg) oral dose of erdafitinib in healthy adult participants. Read more about this study

Who is it for?
Ages 18 to 55 yearsHealthy volunteers can take part
Conditions the study is for
Healthy
What is being tested?
Erdafitinib, Fluconazole and Itraconazole
Type of treatment
Pill or oral medicine
Could I receive a placebo?
No, everyone receives an active treatment
How many people
54 participants
Where
1 siteBelgium
Study dates
14 Apr 2017to 1 Sep 2017
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 to 55 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Be healthy on the basis of physical examination, medical history, vital signs, and triplicate 12-lead electrocardiogram (ECG) performed at screening
  • Be healthy on the basis of clinical laboratory tests performed at screening. If the results of the serum chemistry panel, other specific tests, blood coagulation or hematology are outside the normal reference ranges, the participant may be included only if the investigator judges the abnormalities or deviations from normal to be not clinically significant. This determination must be recorded in the participant's source documents and initialed by the investigator. Healthy participants should be characterized by the following genotype regarding CYP2C9: *1/*1 (wild type), *1/*2 or *1/*3
  • If a woman, must have a negative serum beta-human chorionic gonadotropin (hCG) pregnancy test at screening and on Day 1
  • If a woman, must agree not to donate eggs (ova, oocytes) for the purposes of assisted reproduction during the study and for 3 months after the last study drug administration
  • If a man who is sexually active, must agree to use a condom; and if a man who is sexually active with a woman of childbearing potential and who has not had a vasectomy, must agree to use a condom in combination with an adequate contraception method as deemed appropriate by the investigator, example, partner using effective contraception (defined as hormonal contraception [pill, patch, injection], intrauterine device, surgical sterilization) during the study and not to donate sperm for 5 months after the last study drug administration

Who cannot join

  • History of or current clinically significant medical illness including cardiac arrhythmias or other cardiac disease, hematologic disease, coagulation disorders, lipid abnormalities, significant pulmonary disease, including bronchospastic respiratory disease, diabetes mellitus, hepatic or renal insufficiency, thyroid disease, neurologic or psychiatric disease, infection, or any other illness that the investigator considers should exclude the participant or that could interfere with the interpretation of the study results
  • History or current evidence of ophthalmic disorder, such as central serous retinopathy (CSR) or retinal vein occlusion, active wet age related macular degeneration, diabetic retinopathy with macular edema, uncontrolled glaucoma, corneal pathology such as keratitis, keratoconjunctivitis, keratopathy, corneal abrasion, inflammation, or ulceration
  • Clinically significant abnormal values for hematology or clinical chemistry at screening as deemed appropriate by the investigator
  • Clinically significant abnormal physical examination, vital signs, or triplicate 12-lead ECG at screening as deemed appropriate by the investigator
  • Donated blood or blood products or had substantial loss of blood (more than 500 [milliliter]mL) within 3 months before the first study drug administration or intention to donate blood or blood products during the study

Trial locations and contacts

1 site in 1 country.

Belgium1 site
  • Clinical Pharmacology Unit

    Merksem, 2170

Other trials in Belgium

About this study

Official title: A Randomized, Open-Label, Parallel Group, Drug-drug Interaction Study to Evaluate the Effect of Fluconazole and Itraconazole on the Pharmacokinetics of Erdafitinib in Healthy Adult Subjects

The purpose of this study is to evaluate the effect of multiple doses of fluconazole (an inhibitor of cytochrome P450 [CYP] 2C9 and CYP3A) and itraconazole (an inhibitor of CYP3A4 and P-glycoprotein [P-gp]) on the pharmacokinetics of a single 4-milligram (mg) oral dose of erdafitinib in healthy adult participants.

Conditions
Healthy
Being tested
Erdafitinib, Fluconazole, Itraconazole

What participants receive

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

  • ErdafitinibDrug

    Also called G-024

    A single 4-mg of erdafitinib tablet will be administered on Day 1 in Treatment A and on Day 5 in Treatment B and C.

  • FluconazoleDrug

    A 400-mg fluconazole orally (4*100 mg capsules) will be administered from Day 1 to Day 11.

  • ItraconazoleDrug

    A 200-mg itraconazole orally (2*100 mg capsules) will be administered from Day 1 to Day 11.

Study groups in NCT03135106
Study groupRoleWhat they receive
Treatment A: Erdafitinib aloneExperimentalParticipants will receive single 4 milligram (mg) oral dose of erdafitinib on Day 1 in a fasted state.
Receives: Drug: Erdafitinib
Treatment B: Erdafitinib + FluconazoleExperimentalParticipants will receive 400 mg fluconazole once daily orally from Day 1 to Day 11 in a fasted state and on Day 5, a single 4-mg oral dose of erdafitinib will be administered 30+/-10 minutes after the intake of 400 mg fluconazole dose.
Receives: Drug: Erdafitinib; Drug: Fluconazole
Treatment C: Erdafitinib + ItraconazoleExperimentalParticipants will receive 200 mg itraconazole once daily orally from Day 1 to Day 11 and on Day 5, a single 4-mg oral dose of erdafitinib will be administered 30+/-10 minutes after the intake of 200 mg itraconazole dose.
Receives: Drug: Erdafitinib; Drug: Itraconazole

What is being measured

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

  1. Maximum Observed Plasma Analyte Concentration (Cmax) of Erdafitinib

    The Cmax is the maximum observed plasma analyte concentration.

    Measured: Pre-dose, 1, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, 168, 336, 504 and 672 hours post-dose

  2. Area Under the Plasma Analyte Concentration-time Curve From the Time of 0 to one Week Post-doses [(AUC)0-168h] of Erdafitinib

    Area under the plasma analyte concentration-time curve from time 0 to one week post-dose (168 hours).

    Measured: Pre-dose, 1, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96 and 168 hours post-dose

  3. Area Under the Plasma Analyte Concentration-time Curve From Time 0 to Time of the Last Observed Quantifiable Concentration [(AUC)0-last] of Erdafitinib

    [(AUC)0-last] is defined as area under the plasma analyte concentration-time curve from time 0 to time of the last observed quantifiable concentration (Clast).

    Measured: Pre-dose, 1, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, 168, 336, 504 and 672 hours post-dose

  4. Area Under the Analyte Concentration-Time Curve From Time 0 to Infinite Time [(AUC)0-infinity] of Erdafitinib

    [(AUC)0-infinity] is defined as the area under the analyte concentration-time curve from time 0 to infinite time, calculated as the sum of AUClast and Clast/lambda (z), in which Clast is the last observed quantifiable concentration and lambda (z) is the first-order rate constant associated with the terminal portion of the curve, determined as the negative slope of the terminal log-linear phase of the drug concentration-time curve.

    Measured: Pre-dose, 1, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, 168, 336, 504 and 672 hours post-dose

Secondary outcomes (1)
  1. Percentage of Participants With Adverse Events (AEs) as a Measure of Safety

    An adverse event is any untoward medical event that occurs in a participant administered an investigational product, and it does not necessarily indicate only events with clear causal relationship with the relevant investigational product.

    Measured: From screening to end of study (approximately up to 61 days)

Timeline

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

  1. First posted1 May 2017
  2. Study start14 Apr 2017
  3. Primary completion1 Sep 2017
  4. Study completion1 Sep 2017

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
Other
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
54 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03135106
Sponsor's protocol ID
CR108299
Other IDs
2017-000117-23, 42756493EDI1007, 2017
Status last verified
Jan 2025
First submitted
14 Apr 2017
Last updated
3 Feb 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Poggesi I, Li LY, Jiao J, Hellemans P, Rasschaert F, de Zwart L, Snoeys J, De Meulder M, Mamidi RNVS, Ouellet D. Effect of Fluconazole and Itraconazole on the Pharmacokinetics of Erdafitinib in Healthy Adults: A Randomized, Open-Label, Drug-Drug Interaction Study. Eur J Drug Metab Pharmacokinet. 2020 Feb;45(1):101-111. doi: 10.1007/s13318-019-00581-9.

    PubMed 31673875

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing Erdafitinib, Fluconazole and Itraconazole in people with Healthy, run by Janssen Research & Development, LLC at 1 site in Belgium.

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 5 inclusion and 5 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 3 Feb 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Belgium. 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?

Maximum Observed Plasma Analyte Concentration (Cmax) of Erdafitinib (time frame: Pre-dose, 1, 2, 3, 4, 6, 8, 12, 24, 48, 72, 96, 168, 336, 504 and 672 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?

On the ClinicalTrials.gov record for NCT03135106, which also lists 1 linked publication.

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 3 Feb 2025.

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