Clinical trial · Interventional
A Phase 1 Study to Evaluate the Effects of Fluconazole and Atorvastatin on the Pharmacokinetics of TAK-385 in Healthy Subjects
A Phase 1, Open-Label, Drug-Drug Interaction Study to Evaluate the Effects of Multiple Oral Doses of Fluconazole and Atorvastatin on the Pharmacokinetics of a Single Oral Dose of TAK-385 in Healthy Subjects
NCT02093390CI-TRIAL-00022487completedPhase 1Results postedClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
This is a nonrandomized, open-label, fixed-sequence, 2-arm study designed to assess the effect of multiple doses of fluconazole or atorvastatin on the single-dose pharmacokinetics of TAK-385 in healthy adult subjects.
Conditions
Conditions (2)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Endometriosis | — | UNRESOLVED | — |
| Prostate Cancer | Malignant Prostate Neoplasm | CURATED_EXACT | 0.92 |
Interventions
Interventions (3)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Atorvastatin | Drug | — | UNRESOLVED |
| Fluconazole | Drug | — | UNRESOLVED |
| TAK-385 | Drug | Relugolix | ALIAS |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- TAK-385 + fluconazole
- description
- TAK-385 40 mg, tablet, orally once on Day 1 and fluconazole 400 mg, tablet, orally on Day 6 then 200 mg, tablet, orally once daily on Days 7 to 9 followed by a single dose of TAK-385 in combination with fluconazole 200 mg on Day 10 then fluconazole 200 mg, tablet, orally once daily alone on Days 11 to 14.
- interventionNames
- Drug: TAK-385
- Drug: Fluconazole
- type
- EXPERIMENTAL
- label
- TAK-385 + atorvastatin
- description
- TAK-385 40 mg, tablet, orally once on Day 1 and atorvastatin 80 mg, tablet, orally once daily on Days 6 to 9 followed by a single dose of TAK-385 in combination with atorvastatin 80 mg on Day 10 then atorvastatin 80 mg, tablet, orally once daily alone on Days 11 to 14.
- interventionNames
- Drug: TAK-385
- Drug: Atorvastatin
Primary outcomes (6)
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 55 Years
Show eligibility criteria text
Inclusion Criteria Each subject must meet all the following inclusion criteria to be enrolled in the study: 1. Age 18 to 55 years, inclusive, at the time of consent. 2. Healthy adult male or female in good health, as determined by a physician evaluation 3. Weight ≥ 45 kg and body mass index (BMI) between 18.0 and 30.0 kg/m2, inclusive, at screening. 4. Nonsmoker and does not use tobacco-containing products (including, but not limited to, cigarettes, pipes, cigars, chewing tobacco, or nicotine patch or gum). Exclusion Criteria Subjects meeting any of the following exclusion criteria are not to be enrolled in the study. 1. The subject has a history of drug abuse (defined as any illicit drug use) within 1 year before screening or is unwilling to abstain from drugs throughout the study. 2. The subject is unwilling to agree to abstain from caffeine and alcohol-containing products from 72 hours before check-in (Day -1) to completion of the final assessment. 3. The subject has taken any prescription medicine or herbal preparations (eg, St John's wort) or received any immunizations within 30 days before check-in (Day -1). 4. The subject has taken any over the counter (OTC) medications or vitamin supplements within 14 days before check-in (Day -1). The subject is unwilling to agree to abstain from consumption of grapefruit or grapefruit-containing products from 72 hours before check-in (Day -1) to completion of the final assessment. 5. The subject has current or recent (within 6 months) history of gastrointestinal disease that would be expected to influence the absorption of drugs. 6. The subject has a positive test result for hepatitis B surface antigen, hepatitis C virus (HCV) antibody, human immunodeficiency virus (HIV) antibody or antigen, or serological reactions for syphilis at screening. 7. The subject has a clinically significant ECG abnormality at screening or check-in (Day -1) or a QTc interval (by Fridericia's correction) of 450 msec or greater, or the subject has a history of cardiac disease. 8. The subject has abnormal laboratory values suggesting a clinically significant disease at screening or check-in (Day -1) . 9. Female subjects who are lactating and breastfeeding or pregnant before the first dose of study drug. 10. Any serious medical or psychiatric illness that could, in the investigator's opinion, potentially interfere with the completion of treatment according to this protocol.
References
Publications (0)
Data not yet available
No reference posted for this study.