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The purpose of this study is to investigate the safety, tolerance, food effect, pharmacokinetics (PK) and pharmacodynamics (PD) of single and multiple doses of extended release (XR) formulations of Centanafadine (CTN) in Young Healthy participants.
The study will be divided into three parts: A, B, C.
Part A: Single Dose, extended release (XR) Formulation Selection. This part of the study is a single dose, open label, four-period crossover design in a group of 16 healthy participants.
Part B: Multiple Ascending Dose. Part B has been designed to assess the effect of multiple doses of one formulation of XR CTN. This part of the study will be a double-blind, randomized, placebo-controlled design.
Part C: Food Effect. Part C has been designed to determine the effect food has on XR CTN. The XR formulation and dose administered will be selected after review of Part B data. This part will be an open-label, two-period crossover design in a group of 16 healthy participants.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Arm 1 | Experimental | Participants will receive sustained release (SR) Tablet Formulation 1 (SR1) containing 100 mg of Centanafadine (CTN) (2 x 100 mg tablets taken orally by mouth [PO] in the morning at starting at approximately 7 am and 2 x 100 mg tablets PO 5 hours later) for a total daily dose (TTD) of 400 mg on Days 1, 4, 7, and 10. |
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| Arm 2 | Experimental | Participants will receive extended release (XR) Tablet Formulation 1 (XR1) containing 400 mg of CTN (1 x 400 mg tablet PO in the morning) on Days 1, 4, 7, and 10. |
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| Arm 3 | Experimental | Participants will receive XR Tablet Formulation 2 (XR2) containing 400 mg of CTN (1 x 400 mg tablet PO in the morning) on Days 1, 4, 7, and 10. |
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| Arm 4 | Experimental | Participants will receive XR Tablet Formulation 3 (XR3) containing 400 mg of CTN (1 x 400 mg tablet PO in the morning) on Days 1, 4, 7, and 10. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| CTN SR1 | Drug |
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| CTN XR1 |
| Measure | Description | Time Frame |
|---|---|---|
| Number of participants with treatment emergent adverse events and serious adverse events | Up to approximately 12 days |
| Measure | Description | Time Frame |
|---|---|---|
| Maximum observed plasma concentration (Cmax) of Centanafadine (CTN) and metabolite | Blood samples for the determination of plasma concentrations of CTN and metabolite will be collected following dosing as follows: For Part A- on Days 1, 4, 7, and 10 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 and 18; Days 2, 5, 8, and 11 at hour 24, 30, and 36; Days 3, 6, 9, and 12 at hour 48. For Part B- on Day 1 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 2 at Hour 24/Pre-dose; Day 4 at Pre-dose; Day 5 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 6 at hour 24 and 36; Day 7 at hour 48. For Part C- on Days 1 and 4 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 18; Days 2 and 5 at hour 24, 30, and 36; Days 3 and 6 at hour 48 |
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Inclusion Criteria:
Exclusion Criteria:
Use of any of the following medications will exclude a participant:
A history of, or current evidence for, suicidal ideation, based upon clinical interview and the Columbia Suicide Severity Rating Scale (C-SSRS);
A history of known or suspected seizures, spasms, infantile spasms, febrile convulsions, unexplained significant and recent loss of consciousness or history of significant head trauma with loss of consciousness or a family history (first degree relative) of epilepsy or seizures (fits);
Subject has a known history of hypertension or Subject has a supine systolic blood pressure (SBP) ≥140 mm Hg or diastolic blood pressure (DBP) ≥90 mm Hg. No more than one repeat measurement will be permitted;
Subject has a known history of orthostatic hypotension or has an orthostatic blood pressure (BP) drop of ≥20 mm Hg (based on the drop between supine and standing [3 minutes] SBP) at Screening or Day -1;
Note: The eligibility criteria list is not exhaustive.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Melbourne | Australia |
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| Drug |
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| CTN XR2 | Drug |
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| CTN XR3 | Drug |
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| For Part A: From Day 1 to 12; For Part B: Day 1, Day 2, Day 4, Day 5, Day 6, and Day 7; For Part C: Day 1 to 6 |
| Time to maximum plasma concentration (Tmax) of CTN and metabolite | Blood samples for the determination of plasma concentrations of CTN and metabolite will be collected following dosing as follows: For Part A- on Days 1, 4, 7, and 10 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 and 18; Days 2, 5, 8, and 11 at hour 24, 30, and 36; Days 3, 6, 9, and 12 at hour 48. For Part B- on Day 1 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 2 at Hour 24/Pre-dose; Day 4 at Pre-dose; Day 5 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 6 at hour 24 and 36; Day 7 at hour 48. For Part C- on Days 1 and 4 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 18; Days 2 and 5 at hour 24, 30, and 36; Days 3 and 6 at hour 48 | For Part A: From Day 1 to 12; For Part B: Day 1, Day 2, Day 4, Day 5, Day 6, and Day 7; For Part C: Day 1 to 6 |
| Area under the plasma concentration-time curve from time zero until the last quantifiable time point (AUC0-last) of CTN and metabolite | Blood samples for the determination of plasma concentrations of CTN and metabolite will be collected following dosing as follows: For Part A- on Days 1, 4, 7, and 10 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 and 18; Days 2, 5, 8, and 11 at hour 24, 30, and 36; Days 3, 6, 9, and 12 at hour 48. For Part B- on Day 1 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 2 at Hour 24/Pre-dose; Day 4 at Pre-dose; Day 5 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 6 at hour 24 and 36; Day 7 at hour 48. For Part C- on Days 1 and 4 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 18; Days 2 and 5 at hour 24, 30, and 36; Days 3 and 6 at hour 48 | For Part A: From Day 1 to 12; For Part B: Day 1, Day 2, Day 4, Day 5, Day 6, and Day 7; For Part C: Day 1 to 6 |
| Apparent termination elimination rate constant (kel) of CTN and metabolite | Blood samples for the determination of plasma concentrations of CTN and metabolite will be collected following dosing as follows: For Part A- on Days 1, 4, 7, and 10 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 and 18; Days 2, 5, 8, and 11 at hour 24, 30, and 36; Days 3, 6, 9, and 12 at hour 48. For Part B- on Day 1 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 2 at Hour 24/Pre-dose; Day 4 at Pre-dose; Day 5 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 6 at hour 24 and 36; Day 7 at hour 48. For Part C- on Days 1 and 4 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 18; Days 2 and 5 at hour 24, 30, and 36; Days 3 and 6 at hour 48 | For Part A: From Day 1 to 12; For Part B: Day 1, Day 2, Day 4, Day 5, Day 6, and Day 7; For Part C: Day 1 to 6 |
| Apparent terminal elimination half-life (t1/2) of CTN and metabolite | Blood samples for the determination of plasma concentrations of CTN and metabolite will be collected following dosing as follows: For Part A- on Days 1, 4, 7, and 10 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 and 18; Days 2, 5, 8, and 11 at hour 24, 30, and 36; Days 3, 6, 9, and 12 at hour 48. For Part B- on Day 1 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 2 at Hour 24/Pre-dose; Day 4 at Pre-dose; Day 5 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 6 at hour 24 and 36; Day 7 at hour 48. For Part C- on Days 1 and 4 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 18; Days 2 and 5 at hour 24, 30, and 36; Days 3 and 6 at hour 48 | For Part A: From Day 1 to 12; For Part B: Day 1, Day 2, Day 4, Day 5, Day 6, and Day 7; For Part C: Day 1 to 6 |
| last measurable plasma concentration (Clast) of CTN and metabolite | Blood samples for the determination of plasma concentrations of CTN and metabolite will be collected following dosing as follows: For Part A- on Days 1, 4, 7, and 10 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 and 18; Days 2, 5, 8, and 11 at hour 24, 30, and 36; Days 3, 6, 9, and 12 at hour 48. For Part B- on Day 1 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 2 at Hour 24/Pre-dose; Day 4 at Pre-dose; Day 5 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 6 at hour 24 and 36; Day 7 at hour 48. For Part C- on Days 1 and 4 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 18; Days 2 and 5 at hour 24, 30, and 36; Days 3 and 6 at hour 48 | For Part A: From Day 1 to 12; For Part B: Day 1, Day 2, Day 4, Day 5, Day 6, and Day 7; For Part C: Day 1 to 6 |
| Area under the plasma concentration-time curve from time zero to infinity (AUC0-inf) from AUC0-last +Clast/kel of CTN and metabolite | Blood samples for the determination of plasma concentrations of CTN and metabolite will be collected following dosing as follows: For Part A- on Days 1, 4, 7, and 10 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 and 18; Days 2, 5, 8, and 11 at hour 24, 30, and 36; Days 3, 6, 9, and 12 at hour 48. For Part B- on Day 1 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 2 at Hour 24/Pre-dose; Day 4 at Pre-dose; Day 5 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 6 at hour 24 and 36; Day 7 at hour 48. For Part C- on Days 1 and 4 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 18; Days 2 and 5 at hour 24, 30, and 36; Days 3 and 6 at hour 48 | For Part A: From Day 1 to 12; For Part B: Day 1, Day 2, Day 4, Day 5, Day 6, and Day 7; For Part C: Day 1 to 6 |
| Dose normalized Cmax (Cmax/Dose) of CTN and metabolite | Blood samples for the determination of plasma concentrations of CTN and metabolite will be collected following dosing as follows: For Part A- on Days 1, 4, 7, and 10 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 and 18; Days 2, 5, 8, and 11 at hour 24, 30, and 36; Days 3, 6, 9, and 12 at hour 48. For Part B- on Day 1 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 2 at Hour 24/Pre-dose; Day 4 at Pre-dose; Day 5 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 6 at hour 24 and 36; Day 7 at hour 48. For Part C- on Days 1 and 4 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 18; Days 2 and 5 at hour 24, 30, and 36; Days 3 and 6 at hour 48 | For Part A: From Day 1 to 12; For Part B: Day 1, Day 2, Day 4, Day 5, Day 6, and Day 7; For Part C: Day 1 to 6 |
| Dose normalized AUC (AUC/Dose) of CTN and metabolite | Blood samples for the determination of plasma concentrations of CTN and metabolite will be collected following dosing as follows: For Part A- on Days 1, 4, 7, and 10 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12 and 18; Days 2, 5, 8, and 11 at hour 24, 30, and 36; Days 3, 6, 9, and 12 at hour 48. For Part B- on Day 1 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 2 at Hour 24/Pre-dose; Day 4 at Pre-dose; Day 5 at Pre-dose, hour 0.5, 1, 1.5, 2, 4, 6, 8, 10, 12, and 18; Day 6 at hour 24 and 36; Day 7 at hour 48. For Part C- on Days 1 and 4 at Pre-dose, hour 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, 8, 10, 12, and 18; Days 2 and 5 at hour 24, 30, and 36; Days 3 and 6 at hour 48 | For Part A: From Day 1 to 12; For Part B: Day 1, Day 2, Day 4, Day 5, Day 6, and Day 7; For Part C: Day 1 to 6 |
| ID | Term |
|---|---|
| D001289 | Attention Deficit Disorder with Hyperactivity |
| ID | Term |
|---|---|
| D019958 | Attention Deficit and Disruptive Behavior Disorders |
| D065886 | Neurodevelopmental Disorders |
| D001523 | Mental Disorders |
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