Study to Compare the Effects of Viagra® Vs Hezkue® in Healthy Fasted Male Participants.
A Phase 1 Pharmacokinetic/Bioequivalence Study of 100 Mg of HEZKUE® (ASP-001, Sildenafil) Versus 100 Mg of VIAGRA® (Sildenafil) Film-Coated Tablets Under Fasted Conditions in Healthy Adult Male Subjects
1 other identifier
interventional
56
1 country
2
Brief Summary
The objective of this phase 1, open-label, single-center, two-way crossover trial is to evaluate the pharmacokinetics (PK), safety, and tolerability of 100 mg ASP-001 oral liquid suspension versus 100 mg Viagra (sildenafil citrate) tablets in fasted, healthy male volunteers
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_1
Started Jan 2025
Shorter than P25 for phase_1
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2025
CompletedFirst Submitted
Initial submission to the registry
January 8, 2025
CompletedFirst Posted
Study publicly available on registry
January 20, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2025
CompletedJanuary 20, 2025
January 1, 2025
2 months
January 8, 2025
January 16, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (7)
Cmax
The PK profile of ASP-001 and Viagra in healthy male subjects. Calculation of maximum plasma concentration (Cmax) over the specified timeframe.
Baseline and at 24 different timepoints during the 24 hour post-dose
Absorption
To determine if the rate and extent of absorption are similar for 100 mg of ASP-001 administered as 8 pumps of the 25 mg/mL oral liquid suspension of sildenafil compared to 100 mg Viagra (sildenafil) administered in the form of a film-coated tablet.
Baseline and at several timepoints during the 24 hour post-dose
AUCt
The PK profile of ASP-001 and Viagra in healthy male subjects. Calculation of the area under the plasma concentration versus time curve will be calculated using the linear trapezoidal rule from the zero time point to the last quantifiable concentration (AUCt).
Baseline and at 24 different timepoints during the 24 hour post-dose
AUCi
The PK of ASP-001 and Viagra in healthy male subjects. The area under the plasma concentration versus time curve from zero to infinity (AUCi) will be calculated by adding the last quantifiable concentration (Ct)/ elimination rate contant (Kel) to AUCt.
Baseline and at 24 different timepoints during the 24 hour post-dose
Tmax
The PK of ASP-001 and Viagra in healthy male subjects. Calculation of the time of the maximum measured plasma concentration (Tmax). If the maximum plasma concentration occurs at more than one time point, the first is chosen as Tmax.
Baseline and at 24 different timepoints during the 24 hour post-dose
Kel
The PK of ASP-001 and Viagra in healthy male subjects. Calculation of the terminal elimination rate constant obtained from the slope of the line, fitted by linear least squares regression, through the terminal points of the log (base e) of the concentration versus time plot for these timepoints.
Baseline and at 24 different timepoints during the 24 hour post-dose
tHalf
PK of ASP-001 and Viagra in healthy male subjects. The half-life will be calculated by the equation tHalf = 0.693/ Kel. Apparent elimination half-life.
Baseline and at 24 different timepoints during the 24 hour post-dose
Secondary Outcomes (2)
Number of participants with oral irritation, dizziness, or headache.
Baseline and different timepoints during the 24 hour post-dose
Number of participants with adverse events
Baseline and at several timepoints during the 24 hours post-dose
Study Arms (2)
Arm 1 - ASP-001 and Viagra
EXPERIMENTALParticipants receive 100 mg of ASP-001 followed by a 6 day washout before receiving 100 mg of Viagra
Arm 2 - Viagra and ASP-001
EXPERIMENTALParticipants receive 100 mg of Viagra followed by a 6 day washout before receiving 100 mg of ASP-001
Interventions
Eligibility Criteria
You may qualify if:
- The participant must be informed of the nature of the study and voluntarily agree to participate by signing an informed consent form prior to any study-specific procedures.
- Participants must be healthy male volunteers aged 18 to 55 years (inclusive) at the time of dosing.
- Participants must have a body mass index between 18.0 and 29.9 kg/m² (inclusive) and a body weight of 50 to 100 kg (inclusive).
- Participants must be judged by the Investigator or designee to be in good general health, as documented by medical history, physical examination, clinical laboratory tests, vital signs, and 12-lead electrocardiogram (ECG). Any deviations from normal ranges must be assessed and deemed not clinically significant by the Investigator or designee.
- Participants must have a creatinine clearance (CrCl) value greater than 80 mL/min, as calculated by the Cockcroft-Gault equation.
- Participants must agree to practice an acceptable method of contraception as outlined in the protocol.
You may not qualify if:
- Unwillingness or inability to follow the procedures specified by the protocol.
- Participant received any investigational drug/product within 30 days prior to the first dose.
- History of significant renal, hepatic, cardiovascular (including orthostatic hypotension), psychiatric, neoplastic, inflammatory, infectious, diabetes mellitus, or other disease which, in the opinion of the Investigator, represents a safety risk for taking part in the study.
- Presence of any clinically significant results from laboratory tests, vital signs assessments, and electrocardiograms, as judged by the Investigator and/or designee.
- Any degree of hepatic impairment based on liver function testing (abnormal ALT, AST, bilirubin, alkaline phosphatase, prothrombin time and international normalized ratio during screening).
- Demonstrates a reactive screen for hepatitis B surface antigen, hepatitis C antibody, or HIV antibody.
- Reports a clinically significant illness during the 28 days prior to first dose (as determined by the Investigator and/or designee).
- Subjects with known hypersensitivity to sildenafil or any component in the study medication, such as peppermint oil.
- Reports a history of clinically significant allergies including food or drug allergies as judged by the Investigator.
- History of drug abuse within the previous year, or a positive drug screen (amphetamines, barbiturates, benzodiazepines, cannabinoids, Cocaine, Opiates, Phencyclidine, 3,4-methylenedioxymethamphetamine (MDMA)) at screening and/or Day -1.
- Regular alcohol consumption of \>15 units per week, with one unit being equivalent to 330mL of beer or 125 mL of wine or 25 mL to 40 mL of ≥ 40% spirits, or a positive alcohol breathalyzer test at screening and/or Day -1.
- Reports use of CYP enzyme inhibitors within 14 days prior to Period 1 dosing.
- Reports use of CYP enzyme inducers or St. John's Wort within 28 days prior to Period 1 dosing.
- Use of prescription or non-prescription drugs, including individual vitamins, herbal and dietary supplements within seven days or five half-lives, whichever is longer, unless in the opinion of the Investigator and Sponsor's medical monitor the medication is not expected to interfere with the study procedures or compromise subject safety (occasional use of acetaminophen, naproxen, and ibuprofen are allowed).
- Blood donation or significant blood loss within 3 months before screening. All volunteers will be advised not to donate blood for 30 days after completing the study.
- +21 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
Evolution Research Group, Clinical Pharmacology of Miami (CPMI)
Miami, Florida, 33014, United States
Evolution Research Group, Clinical Pharmacology of Miami (CPMI)
Miami, Florida, 33172, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- CROSSOVER
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 8, 2025
First Posted
January 20, 2025
Study Start
January 1, 2025
Primary Completion
March 1, 2025
Study Completion
March 1, 2025
Last Updated
January 20, 2025
Record last verified: 2025-01
Data Sharing
- IPD Sharing
- Will not share