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> Web page: https://trialight.com/data/trial/a-study-of-the-pharmacokinetic-interaction-between-3c71f30f-1cc2-4376-93e5-0b08ee5627e3
> Record changed: 2026-11-04

# A Study of the Pharmacokinetic Interaction Between Pirfenidone, Nintedanib, and Nalbuphine Extended Release (NAL ER) in Healthy Participants

NCT07015398

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

Phase

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

Recruitment status

Completed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

Participants

132

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

Lead sponsor

Trevi Therapeutics

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

Start date

2025-06-30

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

Number of sites

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Title and summary

**Summary**

The primary purpose of this study is to evaluate the effect of steady-state NAL ER on the pharmacokinetics (PK) of pirfenidone or nintedanib and the effect of steady-state pirfenidone or nintedanib on the PK of NAL ER in healthy participants.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Short title**

A Study of the Pharmacokinetic Interaction Between Pirfenidone, Nintedanib, and Nalbuphine Extended Release (NAL ER) in Healthy Participants

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Official title**

A Phase 1, Two-Part, Open-Label Drug-Drug Interaction Study to Evaluate the Steady State Pharmacokinetics and Safety Following Co-Administration of Nalbuphine Extended-Release Tablets (NAL ER), and Pirfenidone or Nintedanib in Healthy Adult Subjects

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Status and phase

**Control arm**

Open label

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Registry reports results**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Recruitment status**

Completed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Phase**

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Dates

**Completion date**

2025-09-26

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**First posted**

2025-06-11

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Registry last updated**

2025-10-10

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Primary completion date**

2025-09-12

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Start date**

2025-06-30

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Size and sites

**Actual participants**

132

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Participants**

132

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Participant count basis**

Actual

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Protocol amendments**

2

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Number of sites**

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Sponsor and oversight

**Data monitoring committee**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Lead sponsor**

Trevi Therapeutics

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Identifiers

**Registry ID**

NCT07015398

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**ClinicalTrials.gov ID**

NCT07015398

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Study design

**Allocation**

Not randomised

**Model**

Parallel groups

**Purpose**

Treatment

**Masking**

No masking

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Outcomes

### Primary outcomes

1. Maximum Plasma Concentration (Cmax) of NAL ER, Pirfenidone, and Nintedanib  
Timeframe: Pre-dose and at multiple timepoints post-dose on Days 1 and 6 for Cohorts A1 and B1; on Days 1 and 8 for Cohort A2; on Days 1 and 7 for Cohort B2
2. Time to Reach Maximum Observed Concentration (Tmax) of NAL ER, Pirfenidone, and Nintedanib  
Timeframe: Pre-dose and at multiple timepoints post-dose on Days 1 and 6 for Cohorts A1 and B1; on Days 1 and 8 for Cohort A2; on Days 1 and 7 for Cohort B2
3. Area Under the Concentration-Time Curve From Time Zero to Time of Last Measurable Concentration (AUC0-Tlast) of NAL ER, Pirfenidone, and Nintedanib  
Timeframe: Pre-dose and at multiple timepoints post-dose on Days 1 and 6 for Cohorts A1 and B1; on Days 1 and 8 for Cohort A2; on Days 1 and 7 for Cohort B2
4. Area Under the Concentration-Time Curve From Time Zero Extrapolated to Infinity (AUC0-inf) of NAL ER, Pirfenidone, and Nintedanib  
Timeframe: Pre-dose and at multiple timepoints post-dose on Days 1 and 6 for Cohorts A1 and B1; on Days 1 and 8 for Cohort A2; on Days 1 and 7 for Cohort B2
5. Apparent Terminal Rate Constant (λz) of NAL ER, Pirfenidone, and Nintedanib  
Timeframe: Pre-dose and at multiple timepoints post-dose on Days 1 and 6 for Cohorts A1 and B1; on Days 1 and 8 for Cohort A2; on Days 1 and 7 for Cohort B2
6. Apparent Terminal Half-Life (t1/2) of NAL ER, Pirfenidone, and Nintedanib  
Timeframe: Pre-dose and at multiple timepoints post-dose on Days 1 and 6 for Cohorts A1 and B1; on Days 1 and 8 for Cohort A2; on Days 1 and 7 for Cohort B2
7. Apparent Clearance (CL/F) of NAL ER, Pirfenidone, and Nintedanib  
Timeframe: Pre-dose and at multiple timepoints post-dose on Days 1 and 6 for Cohorts A1 and B1; on Days 1 and 8 for Cohort A2; on Days 1 and 7 for Cohort B2
8. Apparent Volume of Distribution (Vz/F) of NAL ER, Pirfenidone, and Nintedanib  
Timeframe: Pre-dose and at multiple timepoints post-dose on Days 1 and 6 for Cohorts A1 and B1; on Days 1 and 8 for Cohort A2; on Days 1 and 7 for Cohort B2

### Secondary outcomes

1. Safety and Tolerability as Assessed by Number of Participants With Treatment Emergent Adverse Events (TEAEs)  
Timeframe: Up to Day 21
2. Number of Participants With Clinically Significant Abnormalities in Vital Signs  
Timeframe: Up to Day 21

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Eligibility

**Sex**

All

**Age groups**

Adults

**Minimum age**

18 Years

**Maximum age**

60 Years

**Healthy volunteers**

Yes

### Inclusion criteria

- Body mass index (BMI) ≥ 18.0 and ≤ 30.0 kilogram per meter square (kg/m^2) at Screening.
- Medically healthy with no clinically significant medical history, physical examination, laboratory profiles, vital signs or electrocardiograms (ECGs), as deemed by the principal investigator (PI) or designee.

### Exclusion criteria

- Positive results for coronavirus infection (COVID-19).
- History or presence of alcohol or drug abuse.
- Positive urine drug or alcohol results.
- Smoker who has used nicotine containing products within the last 3 months.
- History or presence of hypersensitivity or idiosyncratic reaction to the study drugs or related compounds.
- Hemoglobin, absolute neutrophil count, or platelet levels outside of the reference range at Screening.
- History of prolonged QT syndrome or a QTc interval.
- Abnormal liver function at Screening or historical or concurrent liver disease.
- Positive results for human immunodeficiency virus (HIV), hepatitis B surface antigen (HBsAg) or hepatitis C virus (HCV).
- Abnormal Estimated glomerular filtration rate (eGFR).
- History of difficulty donating blood or donation of blood or plasma within 56 days of Screening.
- Participation in another clinical study within 30 days of the baseline visit.

\[Note: Other inclusion/exclusion criteria mentioned in the protocol may apply.\]

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Sites

- Clinical Pharmacology of MiamiMiami, United States

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07015398)

## Related records

### Drugs (2)

- [Nintedanib](https://trialight.com/data/asset/nintedanib-00bd66fb-64cd-4ad0-93f5-373754dd9bff.md)
- [Pirfenidone](https://trialight.com/data/asset/pirfenidone-3eaa7241-8908-43a6-9121-310e804c1fcc.md)

### Lead sponsors (1)

- [Trevi Therapeutics](https://trialight.com/data/company/trevi-therapeutics-e8641d17-f905-43b9-bd4e-54ad478d7b11.md)

### Targets (11)

- [FGFR1](https://trialight.com/data/target/fgfr1-4e918a87-4309-5610-93c5-066e5125172c.md)
- [FGFR2](https://trialight.com/data/target/fgfr2-fe40fa89-06a8-5027-ad17-dc2ec2e9ebcd.md)
- [FGFR3](https://trialight.com/data/target/fgfr3-363bb275-8462-51a9-af1c-c621c347ca84.md)
- [FGFR4](https://trialight.com/data/target/fgfr4-38e1dfb6-08fc-5ac7-af16-77d02fe78df0.md)
- [FLT1](https://trialight.com/data/target/flt1-2cfcec95-3fff-5be9-8423-701697547fa0.md)
- [FLT4](https://trialight.com/data/target/flt4-c94058e2-ff1e-553b-92a5-8e7ee9305a80.md)
- [INSR](https://trialight.com/data/target/insr-76e92e6a-1d95-5282-9c03-f55293267050.md)
- [KDR](https://trialight.com/data/target/kdr-4ab08263-0477-533e-ac3f-96e20d343c4b.md)
- [LATS1](https://trialight.com/data/target/lats1-23798e46-1bc7-5a8c-9e1d-e5441c833025.md)
- [PDGFRA](https://trialight.com/data/target/pdgfra-9af831a8-8fd9-5e16-8799-a31d1bc6c91f.md)
- [PDGFRB](https://trialight.com/data/target/pdgfrb-b0fcbfa5-50cf-5648-aa6d-c7487708468d.md)

---

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