Asthma, Healthy Subjects or Volunteers
Conditions
Keywords
Asthma, Healthy Subjects or Volunteers, Tralokinumab, CAT-354
Brief summary
The primary objective of this study is to evaluate the pharmacokinetics (PK) and tolerability of tralokinumab when delivered subcutaneously at different flow rates to healthy volunteers.
Detailed description
This is a Phase 1, open-label, assessor-blind, parallel-group study to evaluate the PK and tolerability of a single subcutaneous dose of 300 milligram (mg) tralokinumab when delivered as a 2 milliliters (mL) injection at different flow rates to healthy adult volunteers.
Interventions
Participants will receive 300 milligram (mg) tralokinumab when delivered as a 2 milliliter (mL) subcutaneous injection at different flow rates.
Sponsors
Study design
Eligibility
Inclusion criteria
Key Inclusion Criteria: * Healthy males and females ages 19-65 years * Body mass index of 19.0-30.0 kilogram per meter square (kg/m\^2) * No clinically significant abnormality * Vital signs, electrocardiogram (ECG), and laboratory parameters within normal range * Negative alcohol and drug screens * Females of childbearing potential who are sexually active with a nonsterilized male partner must use highly effective contraception * Nonsterilized males who are sexually active with a female partner of childbearing potential must use highly effective contraception. Key
Exclusion criteria
* Concurrent enrollment in another clinical study where the subject is receiving an investigational product * Receipt of any marketed or investigational biologic agent within 4 months or 5 half-lives prior to screening, whichever is longer * Receipt of any investigational nonbiologic agent within 3 months or 5 half-lives prior to screening, whichever is longer * Current use of regular pain-modifying, anti-depressant, anxiolytic, or hypnotic medication * History of thrombocytopenia or bleeding disorder or use of anticoagulants * History of any immunodeficiency disorder or use of immunosuppressive medication. * History of a clinically significant infection * History of cancer * Positive Hepatitis B or C * Positive HIV
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Area Under the Concentration-Time Curve From Zero to Infinity (AUC [0-infinity]) | Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose | AUC (0 - infinity) = Area under the serum concentration versus time curve (AUC) from time zero to infinite time, obtained from AUC (0 - t) plus AUC (t - infinity). Units are day\*micrograms per millilitres = day\*mcg/mL. |
| Maximum Observed Serum Concentration (Cmax) | Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose | The Cmax is the maximum observed serum concentration of tralokinumab. |
| Time to Maximum Concentration (Tmax) | Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose | Tmax is defined as actual sampling time to reach maximum observed tralokinumab concentration. |
| Area Under the Concentration-Time Curve From Zero to Last Measurable Concentration (AUC [0-t]) | Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose | AUC \[0-t\] is defined as area under the serum concentration-time curve from zero to last observed tralokinumab concentration. |
| Terminal Elimination Half-life (t1/2) | Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose | Terminal elimination half-life is the time measured for the serum concentration to decrease by one half. It is associated with the terminal slope of the semi logarithmic drug concentration-time curve, and is calculated as 0.693/lambda(z). |
| Apparent Systemic Clearance (CL/F) After Subcutaneous Dose | Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose | Clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes. Clearance obtained after subcutaneous dose (apparent systemic clearance) is influenced by the fraction of the dose absorbed (bioavailability). |
| Apparent Terminal-Phase Volume of Distribution (Vz/F) | Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose | Volume of distribution was defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired serum concentration of a drug. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Local Injection-Site Pain and Injection-Site Pruritus | During the injection until 72 hours post-injection for injection site-pain and immediately after administration of injection until 72 hours for injection-site pruritus | Local injection-site pain and pruritus intensity was rated on 0 to 100 millimeter (mm) visual analogue scale (VAS) at various time points, where 0 = no pain/ no pruritus; 100 = most severe pain/ most severe pruritus. Injection site pruritus intensity was assessed by the blinded assessor. Higher the score indicated higher intensity of pain and pruritus. Local injection site pain and pruritus was assessed at below time-points: 1 and 6 minute (min) during investigational product administration (IPA); immediately post IPA, 10, 20, 30, and 60 min, 2, 4, 8, 24 and 72 hour (h) post IPA. |
| Number of Participants Reporting Local Injection-Site Reactions | 0, 10, 20, 30 and 60 minutes, 2, 4, 8, 24 and 72 hours post-injection | The signs and/or symptoms of local injection-site reactions including erythema, hematoma or bleeding, local warmth, swelling, and/or rash occurring within 72 hours post-injection were assessed and recorded by a blinded assessor. |
| Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs) | From start of study drug administration up to Day 57 | An adverse event (AE) was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. A serious adverse event (SAE) was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly and important medical event. Treatment-emergent were events between administration of study drug and up to Day 57 that were absent before treatment or that worsened relative to pre-treatment state. |
| Number of Participants Reporting Treatment-emergent Adverse Events Related to Physical Examination | Day 1 to Day 57 | The treatment-emergent adverse events related to physical examination were reported as per investigator discretion. Treatment-emergent were the events between administration of study drug and up to Day 57 that were absent before treatment or that worsened relative to pre-treatment state. |
| Number of Participants Reporting Treatment-emergent Adverse Events Related to Vital Signs | Day 1 to Day 57 | Vital signs included systolic blood pressure, diastolic blood pressure, heart rate, respiratory rate and temperature. The treatment-emergent adverse events related to vital signs were reported as per investigator discretion. Treatment-emergent were the events between administration of study drug and up to Day 57 that were absent before treatment or that worsened relative to pre-treatment state. |
| Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Day 1 to Day 57 | Laboratory parameters included hematology, serum chemistry and urinalysis. The treatment-emergent adverse events in laboratory parameters were reported as per investigator discretion. Treatment-emergent were the events between administration of study drug and up to Day 57 that were absent before treatment or that worsened relative to pre-treatment state. |
| Number of Participants Exhibiting Anti-Drug Antibodies for Tralokinumab at Any Visit | Pre-dose on Day 1 and Day 57 | Immunogenicity assessment included determination of anti-drug antibodies to tralokinumab (CAT-354) antibodies in serum samples. |
Countries
United States
Participant flow
Recruitment details
This study was conducted between 19Mar2014 and 10Jul2014.
Pre-assignment details
A total of 149 participants were screened for the study, out of which 60 participants were randomized and completed in the study.
Participants by arm
| Arm | Count |
|---|---|
| Cohort 1 Participants received 300 milligram (mg) tralokinumab when delivered as a 2 milliliter (mL) subcutaneous injection at a flow rate of 6 mL/min. | 15 |
| Cohort 2 Participants received 300 milligram (mg) tralokinumab when delivered as a 2 milliliter (mL) subcutaneous injection at a flow rate of 12 mL/min. | 15 |
| Cohort 3 Participants received 300 milligram (mg) tralokinumab when delivered as a 2 milliliter (mL) subcutaneous injection at a flow rate of 2 mL/min. | 15 |
| Cohort 4 Participants received 300 milligram (mg) tralokinumab when delivered as a 2 milliliter (mL) subcutaneous injection at a flow rate of 0.167 mL/min. | 15 |
| Total | 60 |
Baseline characteristics
| Characteristic | Cohort 1 | Cohort 2 | Cohort 3 | Cohort 4 | Total |
|---|---|---|---|---|---|
| Age, Continuous | 36.5 Years STANDARD_DEVIATION 9.5 | 39.7 Years STANDARD_DEVIATION 13.5 | 38.5 Years STANDARD_DEVIATION 14.1 | 38.4 Years STANDARD_DEVIATION 12.3 | 38.3 Years STANDARD_DEVIATION 12.2 |
| Sex: Female, Male Female | 7 Participants | 7 Participants | 8 Participants | 8 Participants | 30 Participants |
| Sex: Female, Male Male | 8 Participants | 8 Participants | 7 Participants | 7 Participants | 30 Participants |
Adverse events
| Event type | EG000 affected / at risk | EG001 affected / at risk | EG002 affected / at risk | EG003 affected / at risk |
|---|---|---|---|---|
| deaths Total, all-cause mortality | 0 / 15 | 0 / 15 | 0 / 15 | 0 / 15 |
| other Total, other adverse events | 5 / 15 | 5 / 15 | 4 / 15 | 4 / 15 |
| serious Total, serious adverse events | 0 / 15 | 0 / 15 | 0 / 15 | 0 / 15 |
Outcome results
Apparent Systemic Clearance (CL/F) After Subcutaneous Dose
Clearance of a drug is a measure of the rate at which a drug is metabolized or eliminated by normal biological processes. Clearance obtained after subcutaneous dose (apparent systemic clearance) is influenced by the fraction of the dose absorbed (bioavailability).
Time frame: Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose
Population: The PK population included all participants in the as-treated population with at least one detectable tralokinumab serum concentration. Here N signifies participants who were evaluable for this measure.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Apparent Systemic Clearance (CL/F) After Subcutaneous Dose | 210.31 milliliters per day (mL/day) | Geometric Coefficient of Variation 33.39 |
| Cohort 2 | Apparent Systemic Clearance (CL/F) After Subcutaneous Dose | 241.30 milliliters per day (mL/day) | Geometric Coefficient of Variation 29.16 |
| Cohort 3 | Apparent Systemic Clearance (CL/F) After Subcutaneous Dose | 239.69 milliliters per day (mL/day) | Geometric Coefficient of Variation 44.34 |
| Cohort 4 | Apparent Systemic Clearance (CL/F) After Subcutaneous Dose | 334.44 milliliters per day (mL/day) | Geometric Coefficient of Variation 355.5 |
Apparent Terminal-Phase Volume of Distribution (Vz/F)
Volume of distribution was defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired serum concentration of a drug.
Time frame: Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose
Population: The PK population included all participants in the as-treated population with at least one detectable tralokinumab serum concentration. Here N signifies participants who were evaluable for this measure.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Apparent Terminal-Phase Volume of Distribution (Vz/F) | 6559.99 milliliters (mL) | Geometric Coefficient of Variation 29.85 |
| Cohort 2 | Apparent Terminal-Phase Volume of Distribution (Vz/F) | 7657.96 milliliters (mL) | Geometric Coefficient of Variation 30.13 |
| Cohort 3 | Apparent Terminal-Phase Volume of Distribution (Vz/F) | 7577.56 milliliters (mL) | Geometric Coefficient of Variation 35.17 |
| Cohort 4 | Apparent Terminal-Phase Volume of Distribution (Vz/F) | 9944.14 milliliters (mL) | Geometric Coefficient of Variation 355.4 |
Area Under the Concentration-Time Curve From Zero to Infinity (AUC [0-infinity])
AUC (0 - infinity) = Area under the serum concentration versus time curve (AUC) from time zero to infinite time, obtained from AUC (0 - t) plus AUC (t - infinity). Units are day\*micrograms per millilitres = day\*mcg/mL.
Time frame: Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose
Population: The Pharmacokinetic (PK) population included all participants in the as-treated population with at least one detectable tralokinumab serum concentration. Here N signifies participants who were evaluable for this measure.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Area Under the Concentration-Time Curve From Zero to Infinity (AUC [0-infinity]) | 1426.47 day*mcg/mL | Geometric Coefficient of Variation 30.12 |
| Cohort 2 | Area Under the Concentration-Time Curve From Zero to Infinity (AUC [0-infinity]) | 1243.28 day*mcg/mL | Geometric Coefficient of Variation 25.78 |
| Cohort 3 | Area Under the Concentration-Time Curve From Zero to Infinity (AUC [0-infinity]) | 1251.63 day*mcg/mL | Geometric Coefficient of Variation 45.46 |
| Cohort 4 | Area Under the Concentration-Time Curve From Zero to Infinity (AUC [0-infinity]) | 897.02 day*mcg/mL | Geometric Coefficient of Variation 39.13 |
Area Under the Concentration-Time Curve From Zero to Last Measurable Concentration (AUC [0-t])
AUC \[0-t\] is defined as area under the serum concentration-time curve from zero to last observed tralokinumab concentration.
Time frame: Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose
Population: The PK population included all participants in the as-treated population with at least one detectable tralokinumab serum concentration. Here N signifies participants who were evaluable for this measure.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Area Under the Concentration-Time Curve From Zero to Last Measurable Concentration (AUC [0-t]) | 1154.91 day*mcg/mL | Geometric Coefficient of Variation 25.92 |
| Cohort 2 | Area Under the Concentration-Time Curve From Zero to Last Measurable Concentration (AUC [0-t]) | 998.08 day*mcg/mL | Geometric Coefficient of Variation 21.87 |
| Cohort 3 | Area Under the Concentration-Time Curve From Zero to Last Measurable Concentration (AUC [0-t]) | 1013.98 day*mcg/mL | Geometric Coefficient of Variation 41.4 |
| Cohort 4 | Area Under the Concentration-Time Curve From Zero to Last Measurable Concentration (AUC [0-t]) | 685.66 day*mcg/mL | Geometric Coefficient of Variation 35.85 |
Maximum Observed Serum Concentration (Cmax)
The Cmax is the maximum observed serum concentration of tralokinumab.
Time frame: Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose
Population: The PK population included all participants in the as-treated population with at least one detectable tralokinumab serum concentration. Here N signifies participants who were evaluable for this measure.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Maximum Observed Serum Concentration (Cmax) | 41.65 microgram per milliliter (mcg/mL) | Geometric Coefficient of Variation 28.2 |
| Cohort 2 | Maximum Observed Serum Concentration (Cmax) | 34.07 microgram per milliliter (mcg/mL) | Geometric Coefficient of Variation 19.64 |
| Cohort 3 | Maximum Observed Serum Concentration (Cmax) | 36.12 microgram per milliliter (mcg/mL) | Geometric Coefficient of Variation 35.69 |
| Cohort 4 | Maximum Observed Serum Concentration (Cmax) | 27.04 microgram per milliliter (mcg/mL) | Geometric Coefficient of Variation 33.86 |
Terminal Elimination Half-life (t1/2)
Terminal elimination half-life is the time measured for the serum concentration to decrease by one half. It is associated with the terminal slope of the semi logarithmic drug concentration-time curve, and is calculated as 0.693/lambda(z).
Time frame: Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose
Population: The PK population included all participants in the as-treated population with at least one detectable tralokinumab serum concentration. Here N signifies participants who were evaluable for this measure.
| Arm | Measure | Value (GEOMETRIC_MEAN) | Dispersion |
|---|---|---|---|
| Cohort 1 | Terminal Elimination Half-life (t1/2) | 21.62 day | Geometric Coefficient of Variation 26.34 |
| Cohort 2 | Terminal Elimination Half-life (t1/2) | 22.00 day | Geometric Coefficient of Variation 24.11 |
| Cohort 3 | Terminal Elimination Half-life (t1/2) | 21.91 day | Geometric Coefficient of Variation 19.31 |
| Cohort 4 | Terminal Elimination Half-life (t1/2) | 20.61 day | Geometric Coefficient of Variation 20.74 |
Time to Maximum Concentration (Tmax)
Tmax is defined as actual sampling time to reach maximum observed tralokinumab concentration.
Time frame: Day 1 (pre-dose sample collected within 30 minutes prior to study drug administration), Days 2, 4, 6, 8, 10, 15, 22, 36, and 57 post-dose
Population: The PK population included all participants in the as-treated population with at least one detectable tralokinumab serum concentration. Here N signifies participants who were evaluable for this measure.
| Arm | Measure | Value (MEDIAN) |
|---|---|---|
| Cohort 1 | Time to Maximum Concentration (Tmax) | 8 day |
| Cohort 2 | Time to Maximum Concentration (Tmax) | 6 day |
| Cohort 3 | Time to Maximum Concentration (Tmax) | 8 day |
| Cohort 4 | Time to Maximum Concentration (Tmax) | 6 day |
Local Injection-Site Pain and Injection-Site Pruritus
Local injection-site pain and pruritus intensity was rated on 0 to 100 millimeter (mm) visual analogue scale (VAS) at various time points, where 0 = no pain/ no pruritus; 100 = most severe pain/ most severe pruritus. Injection site pruritus intensity was assessed by the blinded assessor. Higher the score indicated higher intensity of pain and pruritus. Local injection site pain and pruritus was assessed at below time-points: 1 and 6 minute (min) during investigational product administration (IPA); immediately post IPA, 10, 20, 30, and 60 min, 2, 4, 8, 24 and 72 hour (h) post IPA.
Time frame: During the injection until 72 hours post-injection for injection site-pain and immediately after administration of injection until 72 hours for injection-site pruritus
Population: As-treated population included all participants who were randomized and received any study drug. Here, N signifies number of participants analyzed for this outcome measure.
| Arm | Measure | Group | Value (MEAN) | Dispersion |
|---|---|---|---|---|
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:8h Post IPA | 0.4 millimole (mmol) | Standard Deviation 0.6 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:Immediately Post IPA | 4.8 millimole (mmol) | Standard Deviation 7.5 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:2h Post IPA | 0.3 millimole (mmol) | Standard Deviation 0.6 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:10 min Post IPA | 0.9 millimole (mmol) | Standard Deviation 0.9 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:72h Post IPA | 0.5 millimole (mmol) | Standard Deviation 0.8 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:4h Post IPA | 0.6 millimole (mmol) | Standard Deviation 0.7 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:4h Post IPA | 0.5 millimole (mmol) | Standard Deviation 0.7 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:24h Post IPA | 0.6 millimole (mmol) | Standard Deviation 0.7 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:10 min Post IPA | 6.9 millimole (mmol) | Standard Deviation 13.9 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:30 min Post IPA | 0.7 millimole (mmol) | Standard Deviation 1 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:8h Post IPA | 0.5 millimole (mmol) | Standard Deviation 0.7 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:60 min Post IPA | 0.6 millimole (mmol) | Standard Deviation 0.8 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:20 min Post IPA | 2.3 millimole (mmol) | Standard Deviation 5 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:2h Post IPA | 0.4 millimole (mmol) | Standard Deviation 0.6 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:24h Post IPA | 0.4 millimole (mmol) | Standard Deviation 0.6 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:30 min Post IPA | 0.5 millimole (mmol) | Standard Deviation 0.7 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain: Immediately Post IPA | 21.9 millimole (mmol) | Standard Deviation 20.9 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:60 min Post IPA | 0.7 millimole (mmol) | Standard Deviation 1 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:72h Post IPA | 0.6 millimole (mmol) | Standard Deviation 0.8 |
| Cohort 1 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:20 min Post IPA | 0.7 millimole (mmol) | Standard Deviation 0.8 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:72h Post IPA | 1.1 millimole (mmol) | Standard Deviation 1.7 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:Immediately Post IPA | 15.1 millimole (mmol) | Standard Deviation 20.2 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:30 min Post IPA | 1.1 millimole (mmol) | Standard Deviation 1.4 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:10 min Post IPA | 3.1 millimole (mmol) | Standard Deviation 3.8 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:20 min Post IPA | 3.7 millimole (mmol) | Standard Deviation 7.6 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:20 min Post IPA | 1.9 millimole (mmol) | Standard Deviation 2 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain: Immediately Post IPA | 41.0 millimole (mmol) | Standard Deviation 27.7 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:30 min Post IPA | 1.3 millimole (mmol) | Standard Deviation 1.4 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:72h Post IPA | 1.0 millimole (mmol) | Standard Deviation 1.4 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:8h Post IPA | 1.1 millimole (mmol) | Standard Deviation 1.8 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:60 min Post IPA | 1.1 millimole (mmol) | Standard Deviation 1.5 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:4h Post IPA | 0.8 millimole (mmol) | Standard Deviation 1.4 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:2h Post IPA | 0.9 millimole (mmol) | Standard Deviation 1.3 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:4h Post IPA | 0.9 millimole (mmol) | Standard Deviation 1.6 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:2h Post IPA | 0.7 millimole (mmol) | Standard Deviation 1.3 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:8h Post IPA | 0.7 millimole (mmol) | Standard Deviation 1.4 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:10 min Post IPA | 7.1 millimole (mmol) | Standard Deviation 7.7 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:24h Post IPA | 0.7 millimole (mmol) | Standard Deviation 1.6 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:60 min Post IPA | 1.0 millimole (mmol) | Standard Deviation 1.9 |
| Cohort 2 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:24h Post IPA | 0.6 millimole (mmol) | Standard Deviation 1.5 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:60 min Post IPA | 0.7 millimole (mmol) | Standard Deviation 1 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain: Immediately Post IPA | 17.7 millimole (mmol) | Standard Deviation 15.5 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:10 min Post IPA | 9.5 millimole (mmol) | Standard Deviation 16.3 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:20 min Post IPA | 1.8 millimole (mmol) | Standard Deviation 2.6 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:30 min Post IPA | 1.3 millimole (mmol) | Standard Deviation 2.2 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:2h Post IPA | 0.8 millimole (mmol) | Standard Deviation 1 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:4h Post IPA | 0.7 millimole (mmol) | Standard Deviation 0.9 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:8h Post IPA | 0.5 millimole (mmol) | Standard Deviation 0.7 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:24h Post IPA | 0.4 millimole (mmol) | Standard Deviation 0.6 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:72h Post IPA | 0.5 millimole (mmol) | Standard Deviation 0.8 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:Immediately Post IPA | 4.0 millimole (mmol) | Standard Deviation 5.6 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:10 min Post IPA | 1.9 millimole (mmol) | Standard Deviation 2.3 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:20 min Post IPA | 1.5 millimole (mmol) | Standard Deviation 1.5 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:30 min Post IPA | 0.9 millimole (mmol) | Standard Deviation 1.3 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:60 min Post IPA | 0.7 millimole (mmol) | Standard Deviation 1 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:2h Post IPA | 0.7 millimole (mmol) | Standard Deviation 1 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:4h Post IPA | 0.6 millimole (mmol) | Standard Deviation 0.7 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:8h Post IPA | 0.7 millimole (mmol) | Standard Deviation 0.6 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:24h Post IPA | 0.3 millimole (mmol) | Standard Deviation 0.6 |
| Cohort 3 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:72h Post IPA | 0.6 millimole (mmol) | Standard Deviation 1 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:72h Post IPA | 0.7 millimole (mmol) | Standard Deviation 1 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:60 min Post IPA | 1.3 millimole (mmol) | Standard Deviation 1.1 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:8h Post IPA | 1.1 millimole (mmol) | Standard Deviation 1.6 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:4h Post IPA | 1.0 millimole (mmol) | Standard Deviation 1.5 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:24h Post IPA | 0.7 millimole (mmol) | Standard Deviation 1.3 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:2h Post IPA | 0.8 millimole (mmol) | Standard Deviation 1.3 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:2h Post IPA | 0.9 millimole (mmol) | Standard Deviation 1.6 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:60 min Post IPA | 1.2 millimole (mmol) | Standard Deviation 1.2 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain: Immediately Post IPA | 5.1 millimole (mmol) | Standard Deviation 8 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:4h Post IPA | 0.9 millimole (mmol) | Standard Deviation 1.4 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:1 min during IPA | 6.7 millimole (mmol) | Standard Deviation 12.9 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:30 min Post IPA | 1.2 millimole (mmol) | Standard Deviation 1.3 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:6 min during IPA | 4.8 millimole (mmol) | Standard Deviation 5.9 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:8h Post IPA | 1.2 millimole (mmol) | Standard Deviation 2 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:20 min Post IPA | 1.2 millimole (mmol) | Standard Deviation 1.3 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:20 min Post IPA | 2.5 millimole (mmol) | Standard Deviation 3.8 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:10 min Post IPA | 4.1 millimole (mmol) | Standard Deviation 11.1 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:Immediately Post IPA | 6.9 millimole (mmol) | Standard Deviation 15.5 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:10 min Post IPA | 1.3 millimole (mmol) | Standard Deviation 1.3 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pruritus:30 min Post IPA | 1.8 millimole (mmol) | Standard Deviation 1.8 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:72h Post IPA | 0.8 millimole (mmol) | Standard Deviation 1.2 |
| Cohort 4 | Local Injection-Site Pain and Injection-Site Pruritus | Pain:24h Post IPA | 0.9 millimole (mmol) | Standard Deviation 1.4 |
Number of Participants Exhibiting Anti-Drug Antibodies for Tralokinumab at Any Visit
Immunogenicity assessment included determination of anti-drug antibodies to tralokinumab (CAT-354) antibodies in serum samples.
Time frame: Pre-dose on Day 1 and Day 57
Population: As-treated population included all participants who were randomized and received any study drug.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| Cohort 1 | Number of Participants Exhibiting Anti-Drug Antibodies for Tralokinumab at Any Visit | 0 Participants |
| Cohort 2 | Number of Participants Exhibiting Anti-Drug Antibodies for Tralokinumab at Any Visit | 0 Participants |
| Cohort 3 | Number of Participants Exhibiting Anti-Drug Antibodies for Tralokinumab at Any Visit | 0 Participants |
| Cohort 4 | Number of Participants Exhibiting Anti-Drug Antibodies for Tralokinumab at Any Visit | 0 Participants |
Number of Participants Reporting Local Injection-Site Reactions
The signs and/or symptoms of local injection-site reactions including erythema, hematoma or bleeding, local warmth, swelling, and/or rash occurring within 72 hours post-injection were assessed and recorded by a blinded assessor.
Time frame: 0, 10, 20, 30 and 60 minutes, 2, 4, 8, 24 and 72 hours post-injection
Population: As-treated population included all participants who were randomized and received any study drug.
| Arm | Measure | Group | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|---|
| Cohort 1 | Number of Participants Reporting Local Injection-Site Reactions | Erythema | 7 Participants |
| Cohort 1 | Number of Participants Reporting Local Injection-Site Reactions | Hematoma or bleeding | 2 Participants |
| Cohort 1 | Number of Participants Reporting Local Injection-Site Reactions | Local warmth | 0 Participants |
| Cohort 1 | Number of Participants Reporting Local Injection-Site Reactions | Swelling | 0 Participants |
| Cohort 1 | Number of Participants Reporting Local Injection-Site Reactions | Rash | 0 Participants |
| Cohort 1 | Number of Participants Reporting Local Injection-Site Reactions | Other | 0 Participants |
| Cohort 2 | Number of Participants Reporting Local Injection-Site Reactions | Other | 0 Participants |
| Cohort 2 | Number of Participants Reporting Local Injection-Site Reactions | Swelling | 0 Participants |
| Cohort 2 | Number of Participants Reporting Local Injection-Site Reactions | Erythema | 5 Participants |
| Cohort 2 | Number of Participants Reporting Local Injection-Site Reactions | Local warmth | 0 Participants |
| Cohort 2 | Number of Participants Reporting Local Injection-Site Reactions | Hematoma or bleeding | 1 Participants |
| Cohort 2 | Number of Participants Reporting Local Injection-Site Reactions | Rash | 0 Participants |
| Cohort 3 | Number of Participants Reporting Local Injection-Site Reactions | Hematoma or bleeding | 3 Participants |
| Cohort 3 | Number of Participants Reporting Local Injection-Site Reactions | Local warmth | 0 Participants |
| Cohort 3 | Number of Participants Reporting Local Injection-Site Reactions | Swelling | 0 Participants |
| Cohort 3 | Number of Participants Reporting Local Injection-Site Reactions | Other | 0 Participants |
| Cohort 3 | Number of Participants Reporting Local Injection-Site Reactions | Rash | 0 Participants |
| Cohort 3 | Number of Participants Reporting Local Injection-Site Reactions | Erythema | 12 Participants |
| Cohort 4 | Number of Participants Reporting Local Injection-Site Reactions | Rash | 0 Participants |
| Cohort 4 | Number of Participants Reporting Local Injection-Site Reactions | Other | 0 Participants |
| Cohort 4 | Number of Participants Reporting Local Injection-Site Reactions | Hematoma or bleeding | 5 Participants |
| Cohort 4 | Number of Participants Reporting Local Injection-Site Reactions | Swelling | 0 Participants |
| Cohort 4 | Number of Participants Reporting Local Injection-Site Reactions | Erythema | 11 Participants |
| Cohort 4 | Number of Participants Reporting Local Injection-Site Reactions | Local warmth | 0 Participants |
Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters
Laboratory parameters included hematology, serum chemistry and urinalysis. The treatment-emergent adverse events in laboratory parameters were reported as per investigator discretion. Treatment-emergent were the events between administration of study drug and up to Day 57 that were absent before treatment or that worsened relative to pre-treatment state.
Time frame: Day 1 to Day 57
Population: As-treated population included all participants who were randomized and received any study drug.
| Arm | Measure | Group | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|---|
| Cohort 1 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Hematology | 0 Participants |
| Cohort 1 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Urinalysis | 0 Participants |
| Cohort 1 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Serum Chemistry | 0 Participants |
| Cohort 2 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Hematology | 0 Participants |
| Cohort 2 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Urinalysis | 0 Participants |
| Cohort 2 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Serum Chemistry | 0 Participants |
| Cohort 3 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Serum Chemistry | 0 Participants |
| Cohort 3 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Hematology | 0 Participants |
| Cohort 3 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Urinalysis | 0 Participants |
| Cohort 4 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Hematology | 0 Participants |
| Cohort 4 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Urinalysis | 0 Participants |
| Cohort 4 | Number of Participants Reporting Treatment-emergent Adverse Events in Laboratory Parameters | Serum Chemistry | 0 Participants |
Number of Participants Reporting Treatment-emergent Adverse Events Related to Physical Examination
The treatment-emergent adverse events related to physical examination were reported as per investigator discretion. Treatment-emergent were the events between administration of study drug and up to Day 57 that were absent before treatment or that worsened relative to pre-treatment state.
Time frame: Day 1 to Day 57
Population: As-treated population included all participants who were randomized and received any study drug.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| Cohort 1 | Number of Participants Reporting Treatment-emergent Adverse Events Related to Physical Examination | 0 Participants |
| Cohort 2 | Number of Participants Reporting Treatment-emergent Adverse Events Related to Physical Examination | 0 Participants |
| Cohort 3 | Number of Participants Reporting Treatment-emergent Adverse Events Related to Physical Examination | 0 Participants |
| Cohort 4 | Number of Participants Reporting Treatment-emergent Adverse Events Related to Physical Examination | 0 Participants |
Number of Participants Reporting Treatment-emergent Adverse Events Related to Vital Signs
Vital signs included systolic blood pressure, diastolic blood pressure, heart rate, respiratory rate and temperature. The treatment-emergent adverse events related to vital signs were reported as per investigator discretion. Treatment-emergent were the events between administration of study drug and up to Day 57 that were absent before treatment or that worsened relative to pre-treatment state.
Time frame: Day 1 to Day 57
Population: As-treated population included all participants who were randomized and received any study drug.
| Arm | Measure | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|
| Cohort 1 | Number of Participants Reporting Treatment-emergent Adverse Events Related to Vital Signs | 0 Participants |
| Cohort 2 | Number of Participants Reporting Treatment-emergent Adverse Events Related to Vital Signs | 0 Participants |
| Cohort 3 | Number of Participants Reporting Treatment-emergent Adverse Events Related to Vital Signs | 0 Participants |
| Cohort 4 | Number of Participants Reporting Treatment-emergent Adverse Events Related to Vital Signs | 0 Participants |
Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs)
An adverse event (AE) was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. A serious adverse event (SAE) was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly and important medical event. Treatment-emergent were events between administration of study drug and up to Day 57 that were absent before treatment or that worsened relative to pre-treatment state.
Time frame: From start of study drug administration up to Day 57
Population: As-treated population included all participants who were randomized and received any study drug.
| Arm | Measure | Group | Value (COUNT_OF_PARTICIPANTS) |
|---|---|---|---|
| Cohort 1 | Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs) | TEAEs | 5 Participants |
| Cohort 1 | Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs) | TESAEs | 0 Participants |
| Cohort 2 | Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs) | TESAEs | 0 Participants |
| Cohort 2 | Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs) | TEAEs | 5 Participants |
| Cohort 3 | Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs) | TEAEs | 4 Participants |
| Cohort 3 | Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs) | TESAEs | 0 Participants |
| Cohort 4 | Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs) | TEAEs | 4 Participants |
| Cohort 4 | Number of Participants Reporting Treatment-Emergent Adverse Events (TEAEs) and Treatment-Emergent Serious Adverse Events (TESAEs) | TESAEs | 0 Participants |