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This Phase 1 study consists of two parts, all conducted in healthy volunteers (HVs).
In Part 1, the drug-drug interaction (DDI) potential of ALG-000184 will be explored with Itraconazole; participants will be assigned to receive multiple doses of ALG-000184 and Itraconazole over a two week period.
In Part 2, the drug-drug interaction (DDI) potential of ALG-000184 will be explored with Carbamazepine; participants will be assigned to receive multiple doses of ALG-000184 and ascending doses of Carbamazepine over an 18 day period.
The 2 parts may be conducted in parallel.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| ALG-000184 | Experimental | Single or multiple doses of ALG-000184, an investigational HBV capsid assembly modulator |
|
| Carbamazepine | Experimental | Multiple doses of carbamazepine, a strong CYP3A4 inducer, to evaluate potential drug-drug interactions with ALG-000184 |
|
| Itraconazole | Experimental | Multiple doses of itraconazole, a strong CYP3A4 inhibitor, to evaluate potential drug-drug interactions with ALG-000184. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Carbamazepine | Drug | Commercially available supply. |
| |
| Itraconazole (Sporanox) |
| Measure | Description | Time Frame |
|---|---|---|
| Area under the concentration time curve [AUC] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of itraconazole (Part 1) | Up to 24 days |
| Area under the concentration time curve [AUC] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of Carbamazepine (Part 2) | Up to 29 days. |
| Time to maximum plasma concentration [Tmax] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of Carbamazepine (Part 2) | Up to 29 days |
| Time to maximum plasma concentration [Tmax] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of Itraconazole (Part 1) | Up to 24 days |
| Maximum plasma concentration [Cmax] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of Carbamazepine (Part 2) | Up to 29 days |
| Maximum plasma concentration [Cmax] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of Itraconazole (Part 1) | Up to 24 days |
| Minimum plasma concentration [Cmin] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of itraconazole (Part 1) |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability] | The number and severity of treatment emergent adverse events in up to n=24 participants as assessed by DAIDS v2.1(July 2017) | Up to 24 days for Part 1 |
| Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability] |
| Measure | Description | Time Frame |
|---|---|---|
| Cholesterol | Intends to monitor plasma samples from baseline to measure 4-β-hydroxycholesterol, an induction marker of CYP450. | Up to 24 days in Part 1 |
| Cholesterol | Intends to monitor plasma samples from baseline to measure 4-β-hydroxycholesterol, an induction marker of CYP450. |
Inclusion Criteria for All Participants:
Exclusion Criteria for All Participants:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| PPD Austin Research Unit | Austin | Texas | 78744 | United States |
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Open-label, fixed sequence, crossover study.
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| Drug |
Commercially available supply. |
|
| ALG-000184 | Drug | Study Investigational Product |
|
| Up to 24 days |
| Minimum plasma concentration [Cmin] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of Carbamazepine (Part 2) | Up to 29 days |
| C0 [predose] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of itraconazole (Part 1) | Up to 24 days |
| C0 [predose] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of Carbamazepine (Part 2) | Up to 29 days |
| Half-life [t1/2] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of itraconazole (Part 1) | Up to 24 days |
| Half-life [t1/2] | Pharmacokinetic parameters of ALG-001075 and metabolite ALG-000302 after multiple doses of Carbamazepine (Part 2) | Up to 29 days |
The number and severity of treatment emergent adverse events in up to n=24 participants as assessed by DAIDS v2.1(July 2017) |
| Up to 29 days for Part 2 |
| Mean Change from Baseline QTc at different exposure levels | Evaluate the concentration-QT relationship of ALG-000175 and metabolite ALG-000302 to determine the QTc prolongation potential of ALG-000184. | Up to 24 days for Part 1. |
| Mean Change from Baseline QTc at different exposure levels | Evaluate the concentration-QT relationship of ALG-000175 and metabolite ALG-000302 to determine the QTc prolongation potential of ALG-000184. | Up to 29 days for Part 2. |
| Up to 29 days in Part 2 |
| Area under the concentration time curve [AUC] | Pharmacokinetic parameters of Carbamazepine and applicable metabolite | 29 days |
| Area under the concentration time curve [AUC] | Pharmacokinetic parameters of itraconazole and applicable metabolite | 24 days |
| Maximum plasma concentration [Cmax] | Pharmacokinetic parameters of Itraconazole and applicable metabolite | 24 days |
| Maximum plasma concentration [Cmax] | Pharmacokinetic parameters of Carbamazepine and applicable metabolite | 29 days |
| Minimum plasma concentration [Cmin] | Pharmacokinetic parameters of Itraconazole and applicable metabolite | 24 days |
| Minimum plasma concentration [Cmin] | Pharmacokinetic parameters of Carbamazepine and applicable metabolite | 29 days |
| C0 [predose] | Pharmacokinetic parameters of Itraconazole and applicable metabolite | 24 days |
| C0 [predose] | Pharmacokinetic parameters of Carbamazepine and applicable metabolite | 29 days |
| Half-life [t1/2] | Pharmacokinetic parameters of Itraconazole and applicable metabolite | 24 days |
| Half-life [t1/2] | Pharmacokinetic parameters of Carbamazepine and applicable metabolite | 29 days |
| Time to maximum plasma concentration [Tmax] | Pharmacokinetic parameters of Itraconazole and applicable metabolite | 24 Days |
| Time to maximum plasma concentration [Tmax] | Pharmacokinetic parameters of carbamazepine and applicable metabolite | 29 days |
| ID | Term |
|---|---|
| D002220 | Carbamazepine |
| D017964 | Itraconazole |
| ID | Term |
|---|---|
| D003984 | Dibenzazepines |
| D006575 | Heterocyclic Compounds, 3-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
| D014230 | Triazoles |
| D001393 | Azoles |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D010879 | Piperazines |
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