HealthyPhase 1NCT05236231
A Study of Fixed Dose Combination of Macitentan/Tadalafil (10 mg/20 mg) Compared to the Reference Free Combination of Macitentan and Tadalafil in Healthy Adult Participants
A Phase 1 study testing Macitentan 10 mg, Tadalafil 20 mg and Macitentan 10 mg/Tadalafil 20mg FDC in people with Healthy, run by Actelion at 1 site in United States.
Trial summary
The purpose of this study is to demonstrate bioequivalence on the primary pharmacokinetic (PK) parameters between macitentan and tadalafil administered as a fixed dose combination (FDC) (test) of macitentan/tadalafil and the co- administered free combination (reference) of macitentan (Opsumit) and tadalafil (Adcirca)… 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?
- Macitentan 10 mg, Tadalafil 20 mg and Macitentan 10 mg/Tadalafil 20mg FDC
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 40 participants
- Where
- 1 siteUnited States
- Study dates
- 4 Feb 2022to 14 May 2022
- 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
- Healthy on the basis of physical examination and medical history, performed at screening. If there are any abnormalities, they must be considered not clinically relevant and this determination must be recorded in the participant's source documents and initialed by the investigator
- Systolic blood pressure (SBP) between 100 and 145 millimeters of mercury (mm Hg) (inclusive), diastolic blood pressure (DBP) between 50 and 90 mm Hg (inclusive), and pulse rate between 45 and 90 beats per minute (inclusive) at screening, supine for at least 5 minutes and after 3 minutes of standing
- Twelve-lead electrocardiogram (ECG) without clinically relevant abnormalities, at the discretion of the investigator, measured after the participant is supine for at least 5 minutes, at screening
- A woman must agree not to donate eggs (ova, oocytes) for the purposes of assisted reproduction during the study and for a period of 30 days after the last study intervention intake
- Willing and able to adhere to the lifestyle restrictions specified in this protocol
Who cannot join
- Known allergies, hypersensitivity, or intolerance to macitentan, tadalafil, or drug of the same class, or its excipients
- History or clinical evidence of any disease and/or existence of any surgical or medical condition which might interfere with the absorption, distribution, metabolism, or excretion of the study intervention(s) (appendectomy and herniotomy allowed, cholecystectomy not allowed)
- Veins unsuitable for intravenous puncture on either arm (example, veins that are difficult to locate, access, or puncture, and veins with a tendency to rupture during or after puncture)
- Known hereditary degenerative retinal disorders, including retinitis pigmentosa
Trial locations and contacts
1 site in 1 country.
About this study
Official title: A Single-center, Open-label, Single-dose, Randomized, 3-way Crossover Phase 1 Study in Healthy Adult Participants to Assess the Bioequivalence of the Combination of Macitentan/Tadalafil (10 mg/20 mg) Administered as a Fixed Dose Combination Formulation Compared to the Reference Free Combination of 10 mg Macitentan (Opsumit®) and 20 mg Tadalafil (Adcirca®) as Well as the Food Effect of the Fixed-dose Combination Formulation
The purpose of this study is to demonstrate bioequivalence on the primary pharmacokinetic (PK) parameters between macitentan and tadalafil administered as a fixed dose combination (FDC) (test) of macitentan/tadalafil and the co- administered free combination (reference) of macitentan (Opsumit) and tadalafil (Adcirca) in fasted conditions in healthy adult participants; and to evaluate the effect of food on the primary PK parameters of macitentan and tadalafil administered as an FDC of macitentan/tadalafil in fed versus fasted conditions in healthy adult participants.
- Conditions
- Healthy
- Being tested
- Macitentan 10 mg, Tadalafil 20 mg, Macitentan 10 mg/Tadalafil 20mg FDC
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Macitentan 10 mgDrug
Also called Opsumit, JNJ-67896062
Macitentan 10mg tablet will be administered orally as per assigned treatment sequence.
Tadalafil 20 mgDrug
Also called Adcirca, JNJ-10291697
Tadalafil 20mg tablet will be administered orally as per assigned treatment sequence.
Macitentan 10 mg/Tadalafil 20mg FDCDrug
Also called ACT-064992D
FDC of Macitentan 10 mg/Tadalafil 20 mg will be administered orally as single dose tablets.
| Study group | Role | What they receive |
|---|---|---|
| Treatment Sequence ABC | Experimental | Participants will receive single oral dose of fixed dose combination (FDC) of macitentan/tadalafil under fasting conditions in (test) (Treatment A) Treatment Period 1 followed by single oral dose of FDC of macitentan/tadalafil under fed conditions (test) (Treatment B) in Treatment Period 2 and then single oral dose of macitentan/tadalafil under fasting conditions (reference) (Treatment C) in Treatment Period 3 on Day 1 of each Treatment Period. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. Receives: Drug: Macitentan 10 mg; Drug: Tadalafil 20 mg; Drug: Macitentan 10 mg/Tadalafil 20mg FDC |
| Treatment Sequence BCA | Experimental | Participants will receive Treatment B in Treatment Period 1 followed by Treatment C in Treatment Period 2 and Treatment A in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. Receives: Drug: Macitentan 10 mg; Drug: Tadalafil 20 mg; Drug: Macitentan 10 mg/Tadalafil 20mg FDC |
| Treatment Sequence CAB | Experimental | Participants will receive Treatment C in Treatment Period 1 followed by Treatment A in Treatment Period 2 and Treatment B in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. Receives: Drug: Macitentan 10 mg; Drug: Tadalafil 20 mg; Drug: Macitentan 10 mg/Tadalafil 20mg FDC |
| Treatment Sequence ACB | Experimental | Participants will receive Treatment A in Treatment Period 1 followed by Treatment C in Treatment Period 2 and Treatment B in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. Receives: Drug: Macitentan 10 mg; Drug: Tadalafil 20 mg; Drug: Macitentan 10 mg/Tadalafil 20mg FDC |
| Treatment Sequence CBA | Experimental | Participants will receive Treatment C in Treatment Period 1 followed by Treatment B in Treatment Period 2 and Treatment A in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. Receives: Drug: Macitentan 10 mg; Drug: Tadalafil 20 mg; Drug: Macitentan 10 mg/Tadalafil 20mg FDC |
| Treatment Sequence BAC | Experimental | Participants will receive Treatment B in Treatment Period 1 followed by Treatment A in Treatment Period 2 and Treatment C in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. Receives: Drug: Macitentan 10 mg; Drug: Tadalafil 20 mg; Drug: Macitentan 10 mg/Tadalafil 20mg FDC |
What is being measured
The primary outcome is the main question the study is designed to answer.
Maximum Observed Plasma Analyte Concentration (Cmax) of Macitentan and its Metabolite JNJ-68212820, and Tadalafil.
Cmax is defined as the maximum observed plasma analyte concentration.
Measured: Predose up to 216 hours (up to Day 10)
Area Under the Plasma Analyte Concentration Time Curve of Macitentan, its Metabolite JNJ-68212820, and Tadalafil from Time Zero to Time of the Last Quantifiable Concentration (AUC [0-Last])
AUC (0-last) is defined as area under the plasma analyte concentration time curve of macitentan, its metabolite JNJ-68212820 and tadalafil from time 0 to the time of the last quantifiable (non-below quantification limit [non-BQL]) concentrations.
Measured: Predose up to 216 hours (up to Day 10)
Area Under the Plasma Concentration Time Curve of Macitentan and its Metabolite JNJ-68212820, and Tadalafil from Time Zero to Infinite time (AUC [0-Infinity])
AUC (0-infinity) is defined as area under the plasma concentration-time curve of macitentan and its metabolite JNJ-68212820, and tadalafil from time 0 to infinite time, calculated as the sum of AUC (0-last) and C(last)/lambda(z) where C(last) is the last observed measurable (non-BQL) plasma analyte concentration.
Measured: Predose up to 216 hours (up to Day 10)
Secondary outcomes (7)
Time to Reach Maximum Observed Plasma Analyte Concentration (Tmax) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Tmax is defined as actual sampling time to reach the maximum observed plasma analyte concentration.
Measured: Predose up to 216 hours (up to Day 10)
Area Under the Plasma Concentration Versus Time Curve of Macitentan and its Metabolite JNJ-68212820, Tadalafil From Time Zero up to 72 Hours Post Dosing (AUC72h)
(AUC 0-72h) is defined as the area under the plasma concentration-time curve of macitentan and its metabolite JNJ-68212820, tadalafil from time 0 to 72 hours postdose, calculated by linear-linear trapezoidal summation.
Measured: Predose up to 216 hours (up to Day 10)
Apparent Elimination Half-Life (t1/2) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
t1/2 is defined as apparent elimination half-life calculated as 0.693/lambda(z).
Measured: Predose up to 216 hours (up to Day 10)
Apparent Terminal Elimination Rate Constant (lambda z) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Apparent terminal elimination rate constant is estimated by linear regression using the terminal log-linear phase of the log-transformed concentration versus time curve.
Measured: Predose up to 216 hours (up to Day 10)
Total Apparent Oral Clearance (CL/F) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
CL/F is defined as total apparent oral clearance calculated as dose/AUC(0-infinity).
Measured: Predose up to 216 hours (up to Day 10)
Apparent Volume of Distribution (Vd/F) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Vd/F is defined as apparent volume of distribution calculated as dose/(lambda(z) *AUC (0 to infinity).
Measured: Predose up to 216 hours (up to Day 10)
Last Observed Measurable Plasma Concentration (Clast) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Clast is defined as the last observed measurable (non-BQL) plasma concentration of macitentan and its metabolite JNJ-68212820, Tadalafil.
Measured: Predose up to 216 hours (up to Day 10)
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted11 Feb 2022
- Study start4 Feb 2022
- Primary completion13 May 2022
- Study completion14 May 2022
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for HealthyStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
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
- Basic science
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Enrolment
- 40 participants (actual)
Sponsor and investigators
- Lead sponsor
- Actelion
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Actelion Clinical Trial, Study director, Actelion
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT05236231
- Sponsor's protocol ID
- CR109140
- Other IDs
- 67896062PAH1002
- Status last verified
- Mar 2025
- First submitted
- 2 Feb 2022
- Last updated
- 30 Mar 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- Yes: The data sharing policy of the Janssen Pharmaceutical Companies of Johnson \& Johnson is available at www.janssen.com/clinical-trials/transparency. As noted on this site, requests for access to the study data can be submitted through Yale Open Data Access (YODA) Project site at yoda.yale.edu
Study at a glance
From the registry record, last updated by the sponsor on 30 Mar 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Single-center, Open-label, Single-dose, Randomized, 3-way Crossover Phase 1 Study in Healthy Adult Participants to Assess the Bioequivalence of the Combination of Macitentan/Tadalafil (10 mg/20 mg) Administered as a Fixed Dose Combination Formulation Compared to the Reference Free Combination of 10 mg Macitentan (Opsumit®) and 20 mg Tadalafil (Adcirca®) as Well as the Food Effect of the Fixed-dose Combination Formulation
- ClinicalTrials.gov ID
- NCT05236231
- Acronym / sponsor ID
- CR109140
- Conditions
- Healthy
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 40 participants (actual)
- Lead sponsor
- ActelionIndustry (pharma, biotech, devices)
- Study start
- 4 Feb 2022 (actual)
- Primary completion
- 13 May 2022 (actual)
- Study completion
- 14 May 2022 (actual)
- First posted
- 11 Feb 2022 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to demonstrate bioequivalence on the primary pharmacokinetic (PK) parameters between macitentan and tadalafil administered as a fixed dose combination (FDC) (test) of macitentan/tadalafil and the co- administered free combination (reference) of macitentan (Opsumit) and tadalafil (Adcirca) in fasted conditions in healthy adult participants; and to evaluate the effect of food on the primary PK parameters of macitentan and tadalafil administered as an FDC of macitentan/tadalafil in fed versus fasted conditions in healthy adult participants.
Study design
- Primary purpose
- Basic science
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- None (open label)
- Number of arms
- 6
| Arm | Type | Receives |
|---|---|---|
| Treatment Sequence ABC | Experimental | Drug: Macitentan 10 mg, Drug: Tadalafil 20 mg, Drug: Macitentan 10 mg/Tadalafil 20mg FDCParticipants will receive single oral dose of fixed dose combination (FDC) of macitentan/tadalafil under fasting conditions in (test) (Treatment A) Treatment Period 1 followed by single oral dose of FDC of macitentan/tadalafil under fed conditions (test) (Treatment B) in Treatment Period 2 and then single oral dose of macitentan/tadalafil under fasting conditions (reference) (Treatment C) in Treatment Period 3 on Day 1 of each Treatment Period. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. |
| Treatment Sequence BCA | Experimental | Drug: Macitentan 10 mg, Drug: Tadalafil 20 mg, Drug: Macitentan 10 mg/Tadalafil 20mg FDCParticipants will receive Treatment B in Treatment Period 1 followed by Treatment C in Treatment Period 2 and Treatment A in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. |
| Treatment Sequence CAB | Experimental | Drug: Macitentan 10 mg, Drug: Tadalafil 20 mg, Drug: Macitentan 10 mg/Tadalafil 20mg FDCParticipants will receive Treatment C in Treatment Period 1 followed by Treatment A in Treatment Period 2 and Treatment B in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. |
| Treatment Sequence ACB | Experimental | Drug: Macitentan 10 mg, Drug: Tadalafil 20 mg, Drug: Macitentan 10 mg/Tadalafil 20mg FDCParticipants will receive Treatment A in Treatment Period 1 followed by Treatment C in Treatment Period 2 and Treatment B in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. |
| Treatment Sequence CBA | Experimental | Drug: Macitentan 10 mg, Drug: Tadalafil 20 mg, Drug: Macitentan 10 mg/Tadalafil 20mg FDCParticipants will receive Treatment C in Treatment Period 1 followed by Treatment B in Treatment Period 2 and Treatment A in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. |
| Treatment Sequence BAC | Experimental | Drug: Macitentan 10 mg, Drug: Tadalafil 20 mg, Drug: Macitentan 10 mg/Tadalafil 20mg FDCParticipants will receive Treatment B in Treatment Period 1 followed by Treatment A in Treatment Period 2 and Treatment C in Treatment Period 3. There will be a wash-out period of at least 12 days between Day 1 of subsequent treatment period. |
Who may qualify
- Ages
- 18 to 55 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (5 listed)
- Healthy on the basis of physical examination and medical history, performed at screening. If there are any abnormalities, they must be considered not clinically relevant and this determination must be recorded in the participant's source documents and initialed by the investigator
- Systolic blood pressure (SBP) between 100 and 145 millimeters of mercury (mm Hg) (inclusive), diastolic blood pressure (DBP) between 50 and 90 mm Hg (inclusive), and pulse rate between 45 and 90 beats per minute (inclusive) at screening, supine for at least 5 minutes and after 3 minutes of standing
- Twelve-lead electrocardiogram (ECG) without clinically relevant abnormalities, at the discretion of the investigator, measured after the participant is supine for at least 5 minutes, at screening
- A woman must agree not to donate eggs (ova, oocytes) for the purposes of assisted reproduction during the study and for a period of 30 days after the last study intervention intake
- Willing and able to adhere to the lifestyle restrictions specified in this protocol
Key exclusion criteria (4 listed)
- Known allergies, hypersensitivity, or intolerance to macitentan, tadalafil, or drug of the same class, or its excipients
- History or clinical evidence of any disease and/or existence of any surgical or medical condition which might interfere with the absorption, distribution, metabolism, or excretion of the study intervention(s) (appendectomy and herniotomy allowed, cholecystectomy not allowed)
- Veins unsuitable for intravenous puncture on either arm (example, veins that are difficult to locate, access, or puncture, and veins with a tendency to rupture during or after puncture)
- Known hereditary degenerative retinal disorders, including retinitis pigmentosa
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Macitentan 10 mgAlso: Opsumit, JNJ-67896062Macitentan 10mg tablet will be administered orally as per assigned treatment sequence. | Drug | Treatment Sequence ABC, Treatment Sequence ACB, Treatment Sequence BAC, Treatment Sequence BCA, Treatment Sequence CAB, Treatment Sequence CBA |
| Tadalafil 20 mgAlso: Adcirca, JNJ-10291697Tadalafil 20mg tablet will be administered orally as per assigned treatment sequence. | Drug | Treatment Sequence ABC, Treatment Sequence ACB, Treatment Sequence BAC, Treatment Sequence BCA, Treatment Sequence CAB, Treatment Sequence CBA |
| Macitentan 10 mg/Tadalafil 20mg FDCAlso: ACT-064992DFDC of Macitentan 10 mg/Tadalafil 20 mg will be administered orally as single dose tablets. | Drug | Treatment Sequence ABC, Treatment Sequence ACB, Treatment Sequence BAC, Treatment Sequence BCA, Treatment Sequence CAB, Treatment Sequence CBA |
Primary outcome
Maximum Observed Plasma Analyte Concentration (Cmax) of Macitentan and its Metabolite JNJ-68212820, and Tadalafil.
Time frame: Predose up to 216 hours (up to Day 10)
Cmax is defined as the maximum observed plasma analyte concentration.
Area Under the Plasma Analyte Concentration Time Curve of Macitentan, its Metabolite JNJ-68212820, and Tadalafil from Time Zero to Time of the Last Quantifiable Concentration (AUC [0-Last])
Time frame: Predose up to 216 hours (up to Day 10)
AUC (0-last) is defined as area under the plasma analyte concentration time curve of macitentan, its metabolite JNJ-68212820 and tadalafil from time 0 to the time of the last quantifiable (non-below quantification limit [non-BQL]) concentrations.
Area Under the Plasma Concentration Time Curve of Macitentan and its Metabolite JNJ-68212820, and Tadalafil from Time Zero to Infinite time (AUC [0-Infinity])
Time frame: Predose up to 216 hours (up to Day 10)
AUC (0-infinity) is defined as area under the plasma concentration-time curve of macitentan and its metabolite JNJ-68212820, and tadalafil from time 0 to infinite time, calculated as the sum of AUC (0-last) and C(last)/lambda(z) where C(last) is the last observed measurable (non-BQL) plasma analyte concentration.
7 secondary outcomes
Time to Reach Maximum Observed Plasma Analyte Concentration (Tmax) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Time frame: Predose up to 216 hours (up to Day 10)
Area Under the Plasma Concentration Versus Time Curve of Macitentan and its Metabolite JNJ-68212820, Tadalafil From Time Zero up to 72 Hours Post Dosing (AUC72h)
Time frame: Predose up to 216 hours (up to Day 10)
Apparent Elimination Half-Life (t1/2) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Time frame: Predose up to 216 hours (up to Day 10)
Apparent Terminal Elimination Rate Constant (lambda z) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Time frame: Predose up to 216 hours (up to Day 10)
Total Apparent Oral Clearance (CL/F) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Time frame: Predose up to 216 hours (up to Day 10)
Apparent Volume of Distribution (Vd/F) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Time frame: Predose up to 216 hours (up to Day 10)
Last Observed Measurable Plasma Concentration (Clast) of Macitentan and its Metabolite JNJ-68212820, Tadalafil
Time frame: Predose up to 216 hours (up to Day 10)
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Mar 2025.
- Individual participant dataSharing planned: Yes. The data sharing policy of the Janssen Pharmaceutical Companies of Johnson \& Johnson is available at www.janssen.com/clinical-trials/transparency. As noted on this site, requests for access to the study data can be submitted through Yale Open Data Access (YODA) Project site at yoda.yale.edu
Related trials for Healthy
Recruiting
THE EFFECTS OF GAME-BASED EXERCISE PROGRAMS
Physical Activity, Body Image
Not yet recruitingPhase 1
A Phase I Study of GLR2053 Tablets in Chinese Healthy Adult Participants
Atopic Dermatitis
Recruiting
Colon-delivered Riboflavin and Gut Microbiota Composition
Microbiome Dysbiosis, Gut Health
Not yet recruiting
Neuroergonomic Analysis of a Brain-Computer Interface Device (BCI)
Healthy Volunteers - Male and Female
RecruitingPhase 1
First-in-Human Trial to Assess REGN20423 in Healthy Adult Participants and Adult Participants With Atopic Dermatitis
Healthy Volunteer, Atopic Dermatitis
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Actelion Clinical Trial study director
Actelion
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing Macitentan 10 mg, Tadalafil 20 mg and Macitentan 10 mg/Tadalafil 20mg FDC in people with Healthy, run by Actelion at 1 site 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 5 inclusion and 4 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 30 Mar 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 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?
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 Macitentan and its Metabolite JNJ-68212820, and Tadalafil. (time frame: Predose up to 216 hours (up to Day 10)). The study lists 3 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 30 Mar 2025.