Healthy
Conditions
Brief summary
This is a randomized, double-blind, placebo-controlled, single ascending oral dose and food effect study conducted at one study center in the United States. Safety and tolerability will be assessed throughout the study and serial blood samples and urine samples will be collected for the safety and pharmacokinetic assessment of SXC-2023.
Interventions
Oral capsule
Placebo given as oral capsule.
Sponsors
Study design
Eligibility
Inclusion criteria
1. Healthy adult male or females (women of non child bearing potential), 18-55 years of age (inclusive). 2. Medically healthy with no clinically significant screening results. 3. Non-vasectomized male subjects must agree to use birth control or abstain from sexual intercourse during and until 90 days beyond the last dose of study drug/placebo. 4. Continuous non-smoker, at least 3 months prior to first dose and throughout the study. 5. Understands the study procedures in the informed consent form, and be willing and able to comply with the protocol
Exclusion criteria
1. Subject is mentally or legally incapacitated. 2. History of any illness that, in the opinion of the PI, might confound the results of the study or poses an additional risk to the subjects by their participation in the study. 3. History or presence of alcoholism or drug abuse within the past 2 years 4. Female subject of childbearing potential. 5. Blood donation or significant blood loss within 56 days prior to first dose. 6. Plasma donation within 7 days prior to first dose. 7. Participation in another clinical trial within 30 days prior to first dose.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Number of Subjects Experiencing TEAEs. | 8 days | Treatment related adverse events as a measure of safety and tolerability of SXC-2023. Measured by patient reporting, assessment of vital signs and laboratory assessments. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Pharmacokinetic Assessments: Cmax | Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing. | Peak plasma concentration |
| Pharmacokinetics Assessments: Tmax | Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing. | Time to peak plasma concentration |
| Pharmacokinetic Assessments: AUC | Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing. | Area under the plasma concentration-time curve |
| Pharmacokinetic: Food Effect, AUC | Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing. | To evaluate the effect of food on the PK of SXC-2023. The log transformed values of total AUC will be analyzed using a linear mixed effect model with formulation, period, sequence, and carryover as fixed effects and subject as a random effect. |
| Pharmacokinetic: Food Effect, CMax | Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing. | To evaluate the effect of food on the PK of SXC-2023. The log transformed values of total CMax will be analyzed using a linear mixed effect model with formulation, period, sequence, and carryover as fixed effects and subject as a random effect. |
Countries
United States
Participant flow
Participants by arm
| Arm | Count |
|---|---|
| SXC-2023, 50 mg Single dose of 50 mg, given orally in capsule form.
SXC-2023: Oral capsule | 6 |
| SXC-2023, 100 mg Single dose of 100 mg, given orally in capsule form.
SXC-2023: Oral capsule | 6 |
| SXC-2023, 200 mg Single dose of 200mg, given orally in capsule form.
SXC-2023: Oral capsule | 6 |
| SXC-2023, 400 mg Single dose of 400mg, given orally in capsule form.
SXC-2023: Oral capsule | 6 |
| SXC-2023, 800 mg Single dose of 800mg, given orally in capsule form.
SXC-2023: Oral capsule | 6 |
| SXC-2023, 1600 mg Single dose of 1600 mg, given orally in capsule form.
SXC-2023: Oral capsule | 6 |
| Placebo Placebo comparator, given once orally in matching capsule form.
Placebo oral capsule: Placebo given as oral capsule. | 12 |
| Total | 48 |
Baseline characteristics
| Characteristic | Total | SXC-2023, 50 mg | SXC-2023, 200 mg | SXC-2023, 400 mg | SXC-2023, 800 mg | SXC-2023, 1600 mg | SXC-2023, 100 mg | Placebo |
|---|---|---|---|---|---|---|---|---|
| Age, Categorical <=18 years | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Age, Categorical >=65 years | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Age, Categorical Between 18 and 65 years | 48 Participants | 6 Participants | 6 Participants | 6 Participants | 6 Participants | 6 Participants | 6 Participants | 12 Participants |
| Age, Continuous | 41.3 years STANDARD_DEVIATION 10.15 | 40.5 years STANDARD_DEVIATION 11.26 | 43.3 years STANDARD_DEVIATION 9.35 | 42.8 years STANDARD_DEVIATION 14.41 | 38.7 years STANDARD_DEVIATION 9.09 | 40 years STANDARD_DEVIATION 5.73 | 38 years STANDARD_DEVIATION 13.93 | 43.3 years STANDARD_DEVIATION 9.43 |
| Ethnicity (NIH/OMB) Hispanic or Latino | 37 Participants | 4 Participants | 4 Participants | 5 Participants | 5 Participants | 6 Participants | 3 Participants | 10 Participants |
| Ethnicity (NIH/OMB) Not Hispanic or Latino | 11 Participants | 2 Participants | 2 Participants | 1 Participants | 1 Participants | 0 Participants | 3 Participants | 2 Participants |
| Ethnicity (NIH/OMB) Unknown or Not Reported | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Race (NIH/OMB) American Indian or Alaska Native | 1 Participants | 1 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Race (NIH/OMB) Asian | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Race (NIH/OMB) Black or African American | 3 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 2 Participants | 1 Participants |
| Race (NIH/OMB) More than one race | 1 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 1 Participants | 0 Participants |
| Race (NIH/OMB) Native Hawaiian or Other Pacific Islander | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Race (NIH/OMB) Unknown or Not Reported | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants | 0 Participants |
| Race (NIH/OMB) White | 43 Participants | 5 Participants | 6 Participants | 6 Participants | 6 Participants | 6 Participants | 3 Participants | 11 Participants |
| Region of Enrollment United States | 48 participants | 6 participants | 6 participants | 6 participants | 6 participants | 6 participants | 6 participants | 12 participants |
| Sex: Female, Male Female | 23 Participants | 3 Participants | 4 Participants | 3 Participants | 2 Participants | 3 Participants | 2 Participants | 6 Participants |
| Sex: Female, Male Male | 25 Participants | 3 Participants | 2 Participants | 3 Participants | 4 Participants | 3 Participants | 4 Participants | 6 Participants |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk | EG002 affected / at risk | EG003 affected / at risk | EG004 affected / at risk | EG005 affected / at risk | EG006 affected / at risk |
|---|---|---|---|---|---|---|---|
| deaths Total, all-cause mortality | 0 / 6 | 0 / 6 | 0 / 6 | 0 / 6 | 0 / 6 | 0 / 6 | 0 / 12 |
| other Total, other adverse events | 3 / 6 | 0 / 6 | 4 / 6 | 1 / 6 | 2 / 6 | 1 / 6 | 4 / 12 |
| serious Total, serious adverse events | 0 / 6 | 0 / 6 | 0 / 6 | 0 / 6 | 0 / 6 | 0 / 6 | 0 / 12 |
Outcome results
Number of Subjects Experiencing TEAEs.
Treatment related adverse events as a measure of safety and tolerability of SXC-2023. Measured by patient reporting, assessment of vital signs and laboratory assessments.
Time frame: 8 days
| Arm | Measure | Value (NUMBER) |
|---|---|---|
| SXC-2023, 50 mg | Number of Subjects Experiencing TEAEs. | 3 participants |
| SXC-2023, 100 mg | Number of Subjects Experiencing TEAEs. | 0 participants |
| SXC-2023, 200 mg | Number of Subjects Experiencing TEAEs. | 4 participants |
| SXC-2023, 400 mg | Number of Subjects Experiencing TEAEs. | 1 participants |
| SXC-2023, 800 mg | Number of Subjects Experiencing TEAEs. | 2 participants |
| SXC-2023, 1600 mg | Number of Subjects Experiencing TEAEs. | 1 participants |
| Placebo Oral Capsule | Number of Subjects Experiencing TEAEs. | 4 participants |
Pharmacokinetic Assessments: AUC
Area under the plasma concentration-time curve
Time frame: Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| SXC-2023, 50 mg | Pharmacokinetic Assessments: AUC | 3213 ng*hr/mL | Geometric Coefficient of Variation 154.1 |
| SXC-2023, 100 mg | Pharmacokinetic Assessments: AUC | 9732 ng*hr/mL | Geometric Coefficient of Variation 73.9 |
| SXC-2023, 200 mg | Pharmacokinetic Assessments: AUC | 25180 ng*hr/mL | Geometric Coefficient of Variation 43.2 |
| SXC-2023, 400 mg | Pharmacokinetic Assessments: AUC | 57170 ng*hr/mL | Geometric Coefficient of Variation 54 |
| SXC-2023, 800 mg | Pharmacokinetic Assessments: AUC | 139500 ng*hr/mL | Geometric Coefficient of Variation 28.6 |
| SXC-2023, 1600 mg | Pharmacokinetic Assessments: AUC | 239700 ng*hr/mL | Geometric Coefficient of Variation 29.8 |
Pharmacokinetic Assessments: Cmax
Peak plasma concentration
Time frame: Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| SXC-2023, 50 mg | Pharmacokinetic Assessments: Cmax | 758.2 ng/mL | Geometric Coefficient of Variation 157.3 |
| SXC-2023, 100 mg | Pharmacokinetic Assessments: Cmax | 2181 ng/mL | Geometric Coefficient of Variation 58.3 |
| SXC-2023, 200 mg | Pharmacokinetic Assessments: Cmax | 5145 ng/mL | Geometric Coefficient of Variation 38.1 |
| SXC-2023, 400 mg | Pharmacokinetic Assessments: Cmax | 9005 ng/mL | Geometric Coefficient of Variation 60.4 |
| SXC-2023, 800 mg | Pharmacokinetic Assessments: Cmax | 25510 ng/mL | Geometric Coefficient of Variation 49.5 |
| SXC-2023, 1600 mg | Pharmacokinetic Assessments: Cmax | 33700 ng/mL | Geometric Coefficient of Variation 35 |
Pharmacokinetic: Food Effect, AUC
To evaluate the effect of food on the PK of SXC-2023. The log transformed values of total AUC will be analyzed using a linear mixed effect model with formulation, period, sequence, and carryover as fixed effects and subject as a random effect.
Time frame: Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing.
Population: Cohort 5 participated in treatment under fasted conditions, followed by treatment under fed conditions. Other Cohorts did not participate.~Subject 5004 received fasted treatment but discontinued prior to fed treatment.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| SXC-2023, 50 mg | Pharmacokinetic: Food Effect, AUC | 158700 ng*hr/mL | Geometric Coefficient of Variation 31.4 |
Pharmacokinetic: Food Effect, CMax
To evaluate the effect of food on the PK of SXC-2023. The log transformed values of total CMax will be analyzed using a linear mixed effect model with formulation, period, sequence, and carryover as fixed effects and subject as a random effect.
Time frame: Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing.
Population: Cohort 5 participated in treatment under fasted conditions, followed by treatment under fed conditions. Other Cohorts did not participate.~Subject 5004 received fasted treatment but discontinued prior to fed treatment.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| SXC-2023, 50 mg | Pharmacokinetic: Food Effect, CMax | 17160 ng/mL | Geometric Coefficient of Variation 26.3 |
Pharmacokinetics Assessments: Tmax
Time to peak plasma concentration
Time frame: Samples collected at 0, 1/12, 1/6, 1/4, 1/2, 3/4, 1, 1.5, 2, 3, 4, 6, 8, 12, 16, 24, 48 and 72 hours following dosing.
Population: Subject 1008 who received Treatment A in Cohort 1 did not have any measureable concentration of SXC-2023, NAC, or p-toluic acid and was excluded from the PK population.
| Arm | Measure | Value (MEAN) |
|---|---|---|
| SXC-2023, 50 mg | Pharmacokinetics Assessments: Tmax | 3.111 hours |
| SXC-2023, 100 mg | Pharmacokinetics Assessments: Tmax | 3.016 hours |
| SXC-2023, 200 mg | Pharmacokinetics Assessments: Tmax | 4 hours |
| SXC-2023, 400 mg | Pharmacokinetics Assessments: Tmax | 4 hours |
| SXC-2023, 800 mg | Pharmacokinetics Assessments: Tmax | 2.501 hours |
| SXC-2023, 1600 mg | Pharmacokinetics Assessments: Tmax | 3.5 hours |