Trial Outcomes & Findings for Study to Evaluate the Pharmacokinetics of Guaifenesin in Adults and Adolescents (NCT NCT03633448)

NCT ID: NCT03633448

Last Updated: 2019-06-17

Results Overview

Area under the plasma concentration versus time curve from time 0 to the time of the last measurable concentration, as calculated by the linear trapezoidal method.

Recruitment status

COMPLETED

Study phase

PHASE1

Target enrollment

24 participants

Primary outcome timeframe

0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, and 8 hours

Results posted on

2019-06-17

Participant Flow

This was a single-centre study.

Total 24 subjects were enrolled in the study and all 24 completed the study.

Participant milestones

Participant milestones
Measure
200mg Dose of Guaifenesin, Then 400mg Dose of Guaifenesin
Treatment Sequences 1 \[6 adolescents/6 adults\]: Treatment A in Period 1, then Treatment B in Period 2 Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast. Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast. There was a 7 days washout period between each administration.
400mg Dose of Guaifenesin, Then 200mg Dose of Guaifenesin
Treatment Sequences 2 \[6 adolescents/6 adults\]: Treatment B in Period 1, then Treatment A in Period 2. Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast. Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast. There was a 7 days washout period between each administration.
Period 1 (1 Day)
STARTED
12
12
Period 1 (1 Day)
COMPLETED
12
12
Period 1 (1 Day)
NOT COMPLETED
0
0
Washout (7 Days)
STARTED
12
12
Washout (7 Days)
COMPLETED
12
12
Washout (7 Days)
NOT COMPLETED
0
0
Period 2 (1 Day)
STARTED
12
12
Period 2 (1 Day)
COMPLETED
12
12
Period 2 (1 Day)
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Study to Evaluate the Pharmacokinetics of Guaifenesin in Adults and Adolescents

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Adolescent
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast. Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast. There was a 7 days washout period between each administration.
Adult
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast. Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast. There was a 7 days washout period between each administration.
Total
n=24 Participants
Total of all reporting groups
Age, Continuous
14.3 Years
STANDARD_DEVIATION 1.71 • n=5 Participants
32.2 Years
STANDARD_DEVIATION 12.42 • n=7 Participants
23.2 Years
STANDARD_DEVIATION 12.60 • n=5 Participants
Sex: Female, Male
Female
7 Participants
n=5 Participants
8 Participants
n=7 Participants
15 Participants
n=5 Participants
Sex: Female, Male
Male
5 Participants
n=5 Participants
4 Participants
n=7 Participants
9 Participants
n=5 Participants
Race
Asian
1 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
Race
Black or African American
10 Participants
n=5 Participants
8 Participants
n=7 Participants
18 Participants
n=5 Participants
Race
White
1 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
Ethnicity
Hispanic or Latino
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Ethnicity
Non-Hispanic and Non-Latino
11 Participants
n=5 Participants
12 Participants
n=7 Participants
23 Participants
n=5 Participants
Height
163.9 cm
STANDARD_DEVIATION 7.69 • n=5 Participants
166.83 cm
STANDARD_DEVIATION 10.954 • n=7 Participants
165.35 cm
STANDARD_DEVIATION 9.379 • n=5 Participants
Weight
56.03 kg
STANDARD_DEVIATION 7.198 • n=5 Participants
66.88 kg
STANDARD_DEVIATION 11.611 • n=7 Participants
61.45 kg
STANDARD_DEVIATION 10.955 • n=5 Participants
Body Mass Index
20.78 kg/m^2
STANDARD_DEVIATION 1.482 • n=5 Participants
23.98 kg/m^2
STANDARD_DEVIATION 3.168 • n=7 Participants
22.38 kg/m^2
STANDARD_DEVIATION 2.917 • n=5 Participants

PRIMARY outcome

Timeframe: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, and 8 hours

Population: Pharmacokinetic (PK) Data Sets included only those subjects who swallowed the whole dose (did not spit it out), did not vomit within one hour of dosing, and who had a sufficient number of plasma concentrations to estimate the primary PK parameters for at least one dose level.

Area under the plasma concentration versus time curve from time 0 to the time of the last measurable concentration, as calculated by the linear trapezoidal method.

Outcome measures

Outcome measures
Measure
Treatment A (Adolescents)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment A (Adults)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adolescents)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adults)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Area Under Plasma Concentration-time Curve From Time 0 to the Last Measurable Concentration (AUC(0-t)) of Guaifenesin
1990 ng*hr/mL
Standard Deviation 929
1700 ng*hr/mL
Standard Deviation 742
4390 ng*hr/mL
Standard Deviation 1590
3910 ng*hr/mL
Standard Deviation 1500

PRIMARY outcome

Timeframe: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, and 8 hours

Population: PK Data Sets

Area under the plasma concentration versus time curve from time 0 to infinity, calculated as AUC 0-t + C last/kel, where C last is the last measurable concentration and kel is the apparent first-order terminal elimination rate constant.

Outcome measures

Outcome measures
Measure
Treatment A (Adolescents)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment A (Adults)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adolescents)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adults)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Area Under Plasma Concentration-time Curve From Time 0 to Infinity (AUC(0-inf)) of Guaifenesin
2090 ng*hr/mL
Standard Deviation 916
1710 ng*hr/mL
Standard Deviation 744
4400 ng*hr/mL
Standard Deviation 1600
3930 ng*hr/mL
Standard Deviation 1500

PRIMARY outcome

Timeframe: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, and 8 hours

Population: PK Data Sets

Percent of AUC 0-inf extrapolated, calculated as (1 - AUC 0-t / AUC 0-inf) x 100.

Outcome measures

Outcome measures
Measure
Treatment A (Adolescents)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment A (Adults)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adolescents)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adults)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Percent of AUC 0-inf Extrapolated (AUC%Extrapolated)
0.469 Percentage
Standard Deviation 0.426
0.736 Percentage
Standard Deviation 0.775
0.476 Percentage
Standard Deviation 0.431
0.386 Percentage
Standard Deviation 0.134

PRIMARY outcome

Timeframe: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, and 8 hours

Population: PK Data Sets

Pharmacokinetic Parameter (Cmax) Maximum observed plasma concentration.

Outcome measures

Outcome measures
Measure
Treatment A (Adolescents)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment A (Adults)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adolescents)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adults)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Maximum Observed Plasma Concentration (Cmax) of Guaifenesin
1360 ng/mL
Standard Deviation 968
887 ng/mL
Standard Deviation 419
2690 ng/mL
Standard Deviation 1220
1950 ng/mL
Standard Deviation 739

PRIMARY outcome

Timeframe: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, and 8 hours

Population: PK Data Sets

Pharmacokinetic Parameter (Tmax) Time of the maximum observed plasma concentration.

Outcome measures

Outcome measures
Measure
Treatment A (Adolescents)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment A (Adults)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adolescents)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adults)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Time to Maximum Observed Concentration (Tmax) of Guaifenesin
0.458 hr
Standard Deviation 0.209
0.711 hr
Standard Deviation 0.403
0.524 hr
Standard Deviation 0.325
0.646 hr
Standard Deviation 0.345

PRIMARY outcome

Timeframe: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, and 8 hours

Population: PK Data Sets

Apparent first-order terminal elimination half-life, calculated as ln(2)/kel.

Outcome measures

Outcome measures
Measure
Treatment A (Adolescents)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment A (Adults)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adolescents)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adults)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Apparent First-order Terminal Elimination Half-life (t½)
1.05 hr
Standard Deviation 0.173
1.10 hr
Standard Deviation 0.228
0.963 hr
Standard Deviation 0.129
0.963 hr
Standard Deviation 0.0899

PRIMARY outcome

Timeframe: 0 (pre-dose), 0.25, 0.5, 1, 1.5, 2, 3, 4, 6, and 8 hours

Population: PK Data Sets

Apparent first-order terminal elimination rate constant calculated from a semilog plot of the plasma concentration versus time curve. The parameter was calculated by linear least-squares (LS) regression analysis using the maximum number of points (e.g., three or more non-zero plasma concentrations) in the terminal log-linear phase.

Outcome measures

Outcome measures
Measure
Treatment A (Adolescents)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment A (Adults)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adolescents)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adults)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Apparent First-order Terminal Elimination Rate Constant (Kel)
0.678 1/hr
Standard Deviation 0.100
0.655 1/hr
Standard Deviation 0.122
0.731 1/hr
Standard Deviation 0.0928
0.726 1/hr
Standard Deviation 0.0757

SECONDARY outcome

Timeframe: Upto Day 1

Population: PK Data Sets

Intensity determination: Mild=AE does not limit usual activities;subject may experience slight discomfort; Moderate= AE results in some limitation of usual activities; subject may experience significant discomfort; Severe=AE results in an inability to carry out usual activities; subject may experience intolerable discomfort or pain; Unlikely=Slight but remote chance that the AE was caused by study drug but the balance of judgment is that it was most likely not due to the study drug Possible=Reasonable suspicion that the AE was caused by the study drug; Probable=Most likely that the AE was caused by study drug.

Outcome measures

Outcome measures
Measure
Treatment A (Adolescents)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment A (Adults)
n=12 Participants
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adolescents)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adults)
n=12 Participants
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Number of Adverse Events (AEs) of Participants
TEAE by severity: Mild
0 Events
0 Events
0 Events
1 Events
Number of Adverse Events (AEs) of Participants
TEAE by severity: Moderate
0 Events
0 Events
0 Events
1 Events
Number of Adverse Events (AEs) of Participants
TEAE by severity: Severe
0 Events
0 Events
0 Events
0 Events
Number of Adverse Events (AEs) of Participants
Relationship to Drug: Definite
0 Events
0 Events
0 Events
0 Events
Number of Adverse Events (AEs) of Participants
Relationship to Drug: Probable
0 Events
0 Events
0 Events
0 Events
Number of Adverse Events (AEs) of Participants
Relationship to Drug: Possible
0 Events
0 Events
0 Events
0 Events
Number of Adverse Events (AEs) of Participants
Relationship to Drug: Unlikely
0 Events
0 Events
0 Events
0 Events
Number of Adverse Events (AEs) of Participants
Relationship to Drug: None
0 Events
0 Events
0 Events
2 Events

Adverse Events

Treatment A (Adolescents)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Treatment A (Adults)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Treatment B (Adolescents)

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Treatment B (Adults)

Serious events: 0 serious events
Other events: 1 other events
Deaths: 1 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Treatment A (Adolescents)
n=12 participants at risk
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment A (Adults)
n=12 participants at risk
Treatment A: Single 200 mg (10 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adolescents)
n=12 participants at risk
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Treatment B (Adults)
n=12 participants at risk
Treatment B: Single 400 mg (20 mL) Children's Mucinex® Grape Flavor 100 mg Guaifenesin/5 mL immediate Release by oral syringe under overnight fast.
Gastrointestinal disorders
Dyspepsia
0.00%
0/12 • Up to Day 14
0.00%
0/12 • Up to Day 14
0.00%
0/12 • Up to Day 14
8.3%
1/12 • Number of events 1 • Up to Day 14
Infections and infestations
Gastroenteritis
0.00%
0/12 • Up to Day 14
0.00%
0/12 • Up to Day 14
0.00%
0/12 • Up to Day 14
8.3%
1/12 • Number of events 1 • Up to Day 14

Additional Information

Clinical Research Director, Clinical Research

Reckitt Benckiser Inc.

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place