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| ID | Type | Description | Link |
|---|---|---|---|
| 2019-002868-27 | EudraCT Number |
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The purpose of this study is to assess the bioequivalence (BE) of new coated Cesol tablet (Test) versus Biltricide tablets (Comparator) in healthy male participants. Praziquantel (rac-PZQ) is the active ingredient for Cesol and Biltricide tablets.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Sequence 1 (T1-R1-T2-R2) | Experimental | Participants will receive first dose of Cesol on Day 1 in treatment period 1 followed by first dose of Biltricide on Day 8 in treatment period 2 followed by second dose of Cesol on Day 15 in treatment period 3 followed by second dose of Biltricide on Day 22 in treatment period 4. A washout period of 7 days will be maintained between 4 treatment periods. |
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| Sequence 2 (R1-T1-R2-T2) | Experimental | Participants will receive first dose of Biltricide on Day 1 in treatment period 1 followed by first dose of Cesol on Day 8 in treatment period 2 followed by second dose of Biltricide on Day 15 in treatment period 3 followed by second dose of Cesol on Day 22 in treatment period 4. A washout period of 7 days will be maintained between 4 treatment periods. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Cesol (Test) | Drug | Participant will receive coated cesol tablet in sequence 1 (Day 1 and Day 15) and in sequence 2 (Day 8 and Day 22). A washout period of 7 days will be maintained between 4 treatment periods. |
| Measure | Description | Time Frame |
|---|---|---|
| Maximum Observed Plasma Concentration (Cmax) of Racemic-Praziquantel (Rac-PZQ) | Cmax was obtained directly from the concentration versus time curve. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Racemic-Praziquantel (Rac-PZQ) | Area under the plasma concentration versus time curve from time zero to the last sampling time t at which the concentration was at or above the lower limit of quantification (LLQ). AUC0-t was calculated according to the mixed log-linear trapezoidal rule. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Measure | Description | Time Frame |
|---|---|---|
| Number of Participants With Treatment Emergent Adverse Events (TEAEs) and Treatment Related TEAEs | Adverse event (AE): any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of study drug, whether or not considered related to the study drug. Serious AE: an AE that resulted in any of the following outcomes: death; life threatening; persistent/significant disability/incapacity; initial or prolonged inpatient hospitalization; congenital anomaly/birth defect or was otherwise considered medically important. TEAE: AE with onset after start of treatment or with onset date before the treatment start date but worsening after the treatment start date. TEAEs included both serious and non-serious TEAEs. Treatment-related TEAEs: reasonably related to the study intervention. Number of participants with TEAEs and treatment related TEAEs were reported. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Medical Responsible | Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Nuvisan GmbH | Neu-Ulm | 89231 | Germany |
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| Label | URL |
|---|---|
| Trial Awareness and Transparency website | View source |
| Medical Information Location Map - Med Info Contacts | View source |
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Per company policy, following approval of a new product or a new indication for an approved product in both the EU and the US, Merck Healthcare KGaA, Darmstadt, Germany, an affiliate of Merck KGaA, Darmstadt, Germany, will share study protocols, anonymized patient level and study level data and redacted clinical study reports from clinical trials in patients with qualified scientific and medical researchers, upon request, as necessary for conducting legitimate research. Further information on how to request data can be found on our website https://www.merckgroup.com/en/research/our-approach-to-research-and-development/healthcare/clinical-trials/commitment-responsible-data-sharing.html
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36 participants were randomized in 1:1 ratio to the two treatment sequences: Sequence 1 (First Cesol, Then Biltricide, Then Cesol and Then Biltricide) and Sequence 2 (First Biltricide, Then Cesol, Then Biltricide and Then Cesol).
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| ID | Title | Description |
|---|---|---|
| FG000 | First Cesol, Then Biltricide, Then Cesol and Then Biltricide | Participants received first single oral dose of 1200 milligrams (mg) (two 600 mg film-coated tablets) Cesol (Test 1) on Day 1 in treatment period 1 followed by first single oral dose of 1200 mg (two 600 mg film-coated tablets) Biltricide (Reference 1) on Day 8 in treatment period 2 followed by second single oral dose of 1200 mg (two 600 mg film-coated tablets) Cesol (Test 2) on Day 15 in treatment period 3 followed by second single oral dose of 1200 mg (two 600 mg film-coated tablets) Biltricide (Reference 2) on Day 22 in treatment period 4 under fed conditions. A washout period of 7 days was maintained between 4 treatment periods. |
| FG001 | First Biltricide, Then Cesol, Then Biltricide and Then Cesol | Participants received first single oral dose of 1200 mg (two 600 mg film-coated tablets) Biltricide (Reference 1) on Day 1 in treatment period 1 followed by first single oral dose of 1200 mg (two 600 mg film-coated tablets) Cesol (Test 1) on Day 8 in treatment period 2 followed by second single oral dose of 1200 mg (two 600 mg film-coated tablets) Biltricide (Reference 2) on Day 15 in treatment period 3 followed by second single oral dose of 1200 mg (two 600 mg film-coated tablets) Cesol (Test 2) on Day 22 in treatment period 4 under fed conditions. A washout period of 7 days was maintained between 4 treatment periods. |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Treatment Period 1 |
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| Treatment Period 2 |
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| Treatment Period 3 |
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| Treatment Period 4 |
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The safety analysis set included all participants who were administered any dose of any study intervention.
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| ID | Title | Description |
|---|---|---|
| BG000 | First Cesol, Then Biltricide, Then Cesol and Then Biltricide | Participants received first single oral dose of 1200 milligrams (mg) (two 600 mg film-coated tablets) Cesol (Test 1) on Day 1 in treatment period 1 followed by first single oral dose of 1200 mg (two 600 mg film-coated tablets) Biltricide (Reference 1) on Day 8 in treatment period 2 followed by second single oral dose of 1200 mg (two 600 mg film-coated tablets) Cesol (Test 2) on Day 15 in treatment period 3 followed by second single oral dose of 1200 mg (two 600 mg film-coated tablets) Biltricide (Reference 2) on Day 22 in treatment period 4 under fed conditions. A washout period of 7 days was maintained between 4 treatment periods. |
| Units | Counts |
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| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Maximum Observed Plasma Concentration (Cmax) of Racemic-Praziquantel (Rac-PZQ) | Cmax was obtained directly from the concentration versus time curve. | The Pharmacokinetic (PK) Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure. | Posted | Geometric Mean | Geometric Coefficient of Variation | nanogram per milliliter (ng/mL) | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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Baseline up to Day 27
The Safety Analysis Set included all participants who were administered any dose of any study intervention.
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Cesol First Administration | Participants who received single oral dose of 1200 mg (two 600 mg tablets) Cesol (Test 1) in either Treatment Period 1 or 2 under fed conditions. |
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| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Abdominal pain upper | Gastrointestinal disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Communication Center | Merck Healthcare KGaA, Darmstadt Germany, an affiliate of Merck KGaA, Darmstadt, Germany | +49-6151-72-5200 | service@emdgroup.com |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot | Yes | No | No | Study Protocol | Jan 9, 2020 | Jul 20, 2021 | Prot_000.pdf |
| SAP | No | Yes | No | Statistical Analysis Plan | Jul 9, 2020 | Jul 20, 2021 | SAP_001.pdf |
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| ID | Term |
|---|---|
| D011223 | Praziquantel |
| ID | Term |
|---|---|
| D007546 | Isoquinolines |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
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| Biltricide (Reference) | Drug | Participant will receive biltricide tablet in Sequence 1 (Day 8 and Day 22) and in sequence 2 (Day 1 and Day 15). A washout period of 7 days will be maintained between 4 treatment periods. |
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| Baseline up to Day 27 |
| Number of Participants With Treatment Emergent Adverse Events (TEAEs) by Severity According to Qualitative Toxicity Scale | Severity of TEAEs were graded using Qualitative Toxicity Scale, as follows: Mild: Participant is aware of the event or symptom, but the event or symptom is easily tolerated; Moderate: Participant experiences sufficient discomfort to interfere with or reduce his or her usual level of activity; Severe: Significant impairment of functioning: the participant is unable to carry out his or her usual activities. Number of participants with TEAEs by severity were reported. | Baseline up to Day 27 |
| Number of Participants With Clinically Relevant Changes From Baseline in Laboratory Parameters | Laboratory investigation included hematology, biochemistry and urinalysis. Clinical relevance was determined by the investigator. The number of participants with clinically relevant changes from baseline in laboratory parameters were reported. | Baseline up to Day 27 |
| Number of Participants With Clinically Relevant Changes From Baseline in Vital Signs | Vital signs included body temperature, systolic and diastolic blood pressure and pulse rate. Clinical relevance was determined by the investigator. The number of participants with clinically relevant changes from baseline in vital signs were reported. | Baseline up to Day 27 |
| Number of Participants With Clinically Significant Changes From Baseline in 12-Lead Electrocardiogram (ECG) Findings | 12-lead ECG recordings included rhythm, heart rate (as measured by RR interval), PR interval, QRS duration and QT interval. The corrected QT interval (QTcF) was calculated using Fridericia's formula. 12-lead ECG recordings were obtained after the participants have rested for at least 10 minutes in semisupine position. Clinical significance was determined by the investigator. The number of participants with clinically significant changes from baseline in 12-Lead ECG findings were reported. | Baseline up to Day 27 |
| Maximum Observed Plasma Concentration (Cmax) of Praziquantel (PZQ) Enantiomers: R-(-)-PZQ and S-(+) PZQ | Cmax was obtained directly from the concentration versus time curve. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Praziquantel (PZQ) Enantiomers: R-(-)-PZQ and S-(+)-PZQ | Area under the plasma concentration versus time curve from time zero to the last sampling time t at which the concentration was at or above the lower limit of quantification (LLQ). AUC0-t was calculated according to the mixed log-linear trapezoidal rule. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity (AUC0-inf) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | AUC0-inf was calculated by combining AUC0-t and AUCextra. AUCextra represents an extrapolated value obtained by Clast pred/Lambda z, where Clast pred was the calculated plasma concentration at the last sampling time point at which the measured plasma concentration is at or above the Lower Limit of quantification (LLQ) and Lambda z was the apparent terminal rate constant determined by log-linear regression analysis of the measured plasma concentrations of the terminal log-linear phase. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Time to Reach Maximum Plasma Concentration (Tmax) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Tmax was obtained directly from the concentration versus time curve. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Time Prior to the First Measurable (Non-zero) Concentration (Tlag) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Time prior to the first measurable (non-zero) concentration; calculated as last time point at which the concentration is less than (<) Lower Limit of Quantification (LLQ) before the occurrence of the first quantifiable concentration. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Terminal Elimination Half-Life (T1/2) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Elimination Half Life (T1/2) was defined as the time required for the concentration or amount of drug in the body to be reduced by one-half. T1/2 was calculated by natural log 2 divided by Lambda z. Lambda z was determined from the terminal slope of the log-transformed plasma concentration curve using linear regression method. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Terminal Rate Constant (Lambda z) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Lambda z was determined from the terminal slope of the log-transformed plasma concentration curve using linear regression method. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Apparent Clearance (CL/f) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | CL/f was a measure of the rate at which a drug was metabolized or eliminated by normal biological processes. CL/f was calculated as Dose/AUC0-inf, where AUC0-inf was estimated by determining the total area under the curve of the concentration versus time curve extrapolated to infinity. AUC0-inf was calculated as AUC0-t + Clast pred/Lambda Z, where Clast pred was the calculated plasma concentration at the last sampling time point at which the measured plasma concentration was at or above the lower limit of quantification (LLQ) and Lambda Z was the apparent terminal rate constant determined from the terminal slope of the log-transformed plasma concentration curve. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
| Apparent Volume of Distribution During Terminal Phase (Vz/f) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Vz/f: the distribution of a study drug between plasma and the rest of the body after oral dosing. For single dose Vz/f = Dose/(AUC0-inf*Lambda Z), where AUC0-inf = (AUC0-t + Clast pred/Lambda Z). Clastpred was the calculated plasma concentration at the last sampling time point at which the measured plasma concentration was at or above the LLQ and Lambda Z = the apparent terminal rate constant determined from the terminal slope of the log-transformed plasma concentration curve. | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| BG001 | First Biltricide, Then Cesol, Then Biltricide and Then Cesol | Participants received first single oral dose of 1200 mg (two 600 mg film-coated tablets) Biltricide (Reference 1) on Day 1 in treatment period 1 followed by first single oral dose of 1200 mg (two 600 mg film-coated tablets) Cesol (Test 1) on Day 8 in treatment period 2 followed by second single oral dose of 1200 mg (two 600 mg film-coated tablets) Biltricide (Reference 2) on Day 15 in treatment period 3 followed by second single oral dose of 1200 mg (two 600 mg film-coated tablets) Cesol (Test 2) on Day 22 in treatment period 4 under fed conditions. A washout period of 7 days was maintained between 4 treatment periods. |
| BG002 | Total | Total of all reporting groups |
| years |
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| Sex: Female, Male | Count of Participants | Participants |
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| Ethnicity (NIH/OMB) | Count of Participants | Participants |
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| Race (NIH/OMB) | Count of Participants | Participants |
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| OG001 | Cesol Second Administration | Participants who received single oral dose of 1200 mg (two 600 mg tablets) Cesol (Test 2) in either Treatment Period 3 or 4 under fed conditions. |
| OG002 | Biltricide First Administration | Participants who received single oral dose of 1200 mg (two 600 mg tablets) Biltricide (Reference 1) in either Treatment Period 1 or 2 under fed conditions. |
| OG003 | Biltricide Second Administration | Participants who received single oral dose of 1200 mg (two 600 mg tablets) Biltricide (Reference 2) in either Treatment Period 3 or 4 under fed conditions. |
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| Primary | Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Racemic-Praziquantel (Rac-PZQ) | Area under the plasma concentration versus time curve from time zero to the last sampling time t at which the concentration was at or above the lower limit of quantification (LLQ). AUC0-t was calculated according to the mixed log-linear trapezoidal rule. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure. | Posted | Geometric Mean | Geometric Coefficient of Variation | hours*nanogram per milliliter (h*ng/mL) | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| Secondary | Number of Participants With Treatment Emergent Adverse Events (TEAEs) and Treatment Related TEAEs | Adverse event (AE): any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of study drug, whether or not considered related to the study drug. Serious AE: an AE that resulted in any of the following outcomes: death; life threatening; persistent/significant disability/incapacity; initial or prolonged inpatient hospitalization; congenital anomaly/birth defect or was otherwise considered medically important. TEAE: AE with onset after start of treatment or with onset date before the treatment start date but worsening after the treatment start date. TEAEs included both serious and non-serious TEAEs. Treatment-related TEAEs: reasonably related to the study intervention. Number of participants with TEAEs and treatment related TEAEs were reported. | The safety analysis set included all participants who were administered any dose of any study intervention. | Posted | Count of Participants | Participants | Baseline up to Day 27 |
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| Secondary | Number of Participants With Treatment Emergent Adverse Events (TEAEs) by Severity According to Qualitative Toxicity Scale | Severity of TEAEs were graded using Qualitative Toxicity Scale, as follows: Mild: Participant is aware of the event or symptom, but the event or symptom is easily tolerated; Moderate: Participant experiences sufficient discomfort to interfere with or reduce his or her usual level of activity; Severe: Significant impairment of functioning: the participant is unable to carry out his or her usual activities. Number of participants with TEAEs by severity were reported. | The safety analysis set included all participants who were administered any dose of any study intervention. | Posted | Count of Participants | Participants | Baseline up to Day 27 |
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| Secondary | Number of Participants With Clinically Relevant Changes From Baseline in Laboratory Parameters | Laboratory investigation included hematology, biochemistry and urinalysis. Clinical relevance was determined by the investigator. The number of participants with clinically relevant changes from baseline in laboratory parameters were reported. | The safety analysis set included all participants who were administered any dose of any study intervention. | Posted | Count of Participants | Participants | Baseline up to Day 27 |
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| Secondary | Number of Participants With Clinically Relevant Changes From Baseline in Vital Signs | Vital signs included body temperature, systolic and diastolic blood pressure and pulse rate. Clinical relevance was determined by the investigator. The number of participants with clinically relevant changes from baseline in vital signs were reported. | The safety analysis set included all participants who were administered any dose of any study intervention. | Posted | Count of Participants | Participants | Baseline up to Day 27 |
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| Secondary | Number of Participants With Clinically Significant Changes From Baseline in 12-Lead Electrocardiogram (ECG) Findings | 12-lead ECG recordings included rhythm, heart rate (as measured by RR interval), PR interval, QRS duration and QT interval. The corrected QT interval (QTcF) was calculated using Fridericia's formula. 12-lead ECG recordings were obtained after the participants have rested for at least 10 minutes in semisupine position. Clinical significance was determined by the investigator. The number of participants with clinically significant changes from baseline in 12-Lead ECG findings were reported. | The safety analysis set included all participants who were administered any dose of any study intervention. | Posted | Count of Participants | Participants | Baseline up to Day 27 |
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| Secondary | Maximum Observed Plasma Concentration (Cmax) of Praziquantel (PZQ) Enantiomers: R-(-)-PZQ and S-(+) PZQ | Cmax was obtained directly from the concentration versus time curve. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure. | Posted | Geometric Mean | Geometric Coefficient of Variation | ng/mL | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| Secondary | Area Under the Plasma Concentration-Time Curve From Time Zero to Last Measurable Concentration (AUC0-t) of Praziquantel (PZQ) Enantiomers: R-(-)-PZQ and S-(+)-PZQ | Area under the plasma concentration versus time curve from time zero to the last sampling time t at which the concentration was at or above the lower limit of quantification (LLQ). AUC0-t was calculated according to the mixed log-linear trapezoidal rule. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure. | Posted | Geometric Mean | Geometric Coefficient of Variation | h*ng/mL | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| Secondary | Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity (AUC0-inf) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | AUC0-inf was calculated by combining AUC0-t and AUCextra. AUCextra represents an extrapolated value obtained by Clast pred/Lambda z, where Clast pred was the calculated plasma concentration at the last sampling time point at which the measured plasma concentration is at or above the Lower Limit of quantification (LLQ) and Lambda z was the apparent terminal rate constant determined by log-linear regression analysis of the measured plasma concentrations of the terminal log-linear phase. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure and "Number Analyzed" signifies those participants who were evaluable for the specified category. | Posted | Geometric Mean | Geometric Coefficient of Variation | h*ng/mL | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| Secondary | Time to Reach Maximum Plasma Concentration (Tmax) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Tmax was obtained directly from the concentration versus time curve. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure and "Number Analyzed" signifies those participants who were evaluable for the specified category. | Posted | Median | Full Range | hours | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| Secondary | Time Prior to the First Measurable (Non-zero) Concentration (Tlag) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Time prior to the first measurable (non-zero) concentration; calculated as last time point at which the concentration is less than (<) Lower Limit of Quantification (LLQ) before the occurrence of the first quantifiable concentration. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure and "Number Analyzed" signifies those participants who were evaluable for the specified category. | Posted | Median | Full Range | hours | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| Secondary | Terminal Elimination Half-Life (T1/2) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Elimination Half Life (T1/2) was defined as the time required for the concentration or amount of drug in the body to be reduced by one-half. T1/2 was calculated by natural log 2 divided by Lambda z. Lambda z was determined from the terminal slope of the log-transformed plasma concentration curve using linear regression method. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure and "Number Analyzed" signifies those participants who were evaluable for the specified category. | Posted | Geometric Mean | Geometric Coefficient of Variation | hours | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| Secondary | Terminal Rate Constant (Lambda z) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Lambda z was determined from the terminal slope of the log-transformed plasma concentration curve using linear regression method. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure and "Number Analyzed" signifies those participants who were evaluable for the specified category. | Posted | Geometric Mean | Geometric Coefficient of Variation | 1/hour | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| Secondary | Apparent Clearance (CL/f) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | CL/f was a measure of the rate at which a drug was metabolized or eliminated by normal biological processes. CL/f was calculated as Dose/AUC0-inf, where AUC0-inf was estimated by determining the total area under the curve of the concentration versus time curve extrapolated to infinity. AUC0-inf was calculated as AUC0-t + Clast pred/Lambda Z, where Clast pred was the calculated plasma concentration at the last sampling time point at which the measured plasma concentration was at or above the lower limit of quantification (LLQ) and Lambda Z was the apparent terminal rate constant determined from the terminal slope of the log-transformed plasma concentration curve. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure and "Number Analyzed" signifies those participants who were evaluable for the specified category. | Posted | Geometric Mean | Geometric Coefficient of Variation | liter per hour | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| Secondary | Apparent Volume of Distribution During Terminal Phase (Vz/f) of Racemic-Praziquantel (Rac-PZQ), R-(-)-PZQ and S-(+)-PZQ | Vz/f: the distribution of a study drug between plasma and the rest of the body after oral dosing. For single dose Vz/f = Dose/(AUC0-inf*Lambda Z), where AUC0-inf = (AUC0-t + Clast pred/Lambda Z). Clastpred was the calculated plasma concentration at the last sampling time point at which the measured plasma concentration was at or above the LLQ and Lambda Z = the apparent terminal rate constant determined from the terminal slope of the log-transformed plasma concentration curve. | The PK Analysis Set included all participants, who received at least one dose of study intervention, had no clinically important protocol deviations or important events affecting PK, and provided at least one measurable post-dose concentration. Here, "Number of Participants Analyzed" signifies those participants who were evaluable for this outcome measure and "Number Analyzed" signifies those participants who were evaluable for the specified category. | Posted | Geometric Mean | Geometric Coefficient of Variation | liters | Pre-dose, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 and 12 hours post-dose in each treatment period |
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| 0 |
| 36 |
| 0 |
| 36 |
| 6 |
| 36 |
| EG001 | Cesol Second Administration | Participants who received single oral dose of 1200 mg (two 600 mg tablets) Cesol (Test 2) in either Treatment Period 3 or 4 under fed conditions. | 0 | 34 | 0 | 34 | 6 | 34 |
| EG002 | Biltricide First Administration | Participants who received single oral dose of 1200 mg (two 600 mg tablets) Biltricide (Reference 1) in either Treatment Period 1 or 2 under fed conditions. | 0 | 36 | 0 | 36 | 7 | 36 |
| EG003 | Biltricide Second Administration | Participants who received single oral dose of 1200 mg (two 600 mg tablets) Biltricide (Reference 2) in either Treatment Period 3 or 4 under fed conditions. | 0 | 34 | 0 | 34 | 7 | 34 |
| Diarrhoea | Gastrointestinal disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Dyspepsia | Gastrointestinal disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Flatulence | Gastrointestinal disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Nausea | Gastrointestinal disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Toothache | Gastrointestinal disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Vomiting | Gastrointestinal disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Dizziness | Nervous system disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Dysgeusia | Nervous system disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Headache | Nervous system disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Body temperature increased | Investigations | MedDRA version 23.0 | Non-systematic Assessment |
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| C-reactive protein increased | Investigations | MedDRA version 23.0 | Non-systematic Assessment |
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| Back pain | Musculoskeletal and connective tissue disorders | MedDRA version 23.0 | Non-systematic Assessment |
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| Cold sweat | Skin and subcutaneous tissue disorders | MedDRA version 23.0 | Non-systematic Assessment |
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Not provided
Not provided
| Treatment related TEAEs |
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| Moderate TEAEs |
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| Severe TEAEs |
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| S-(+)-PZQ |
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| S-(+)-PZQ |
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| R-(-)-PZQ |
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| S-(+)-PZQ |
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| R-(-)-PZQ |
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| S-(+)-PZQ |
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| R-(-)-PZQ |
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| S-(+)-PZQ |
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| R-(-)-PZQ |
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| S-(+)-PZQ |
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| R-(-)-PZQ |
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| S-(+)-PZQ |
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| R-(-)-PZQ |
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| S-(+)-PZQ |
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| R-(-)-PZQ |
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| S-(+)-PZQ |
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