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A Study to Determine the Safety, Tolerability, and Pharmacokinetics of Lanadelumab Administered Intravenously in Healthy Adult Volunteer Participants

A Randomized, Double-blind, Placebo-Controlled, Repeat-dose, Single-center Phase 1a Study to Determine the Safety, Tolerability, and Pharmacokinetics of Lanadelumab Administered Intravenously in Healthy Adult Volunteer Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04503603
Enrollment
12
Registered
2020-08-07
Start date
2020-08-10
Completion date
2020-12-23
Last updated
2022-03-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Volunteers

Brief summary

The purpose of this study to evaluate the safety, tolerability and pharmacokinetics (PK) of lanadelumab administered by Intravenous (IV) infusion in healthy adult volunteers.

Detailed description

A Randomized, Double-blind, Placebo-Controlled, Repeat-dose, Single-center Phase 1a Study to Determine the Safety, Tolerability, and Pharmacokinetics of Lanadelumab Administered Intravenously in Healthy Adult Volunteer Subjects

Interventions

Participants will receive lanadelumab 300 mg IV infusion on Day 1 followed by Day 4.

OTHERPlacebo

Participants will receive placebo matching to lanadelumab IV infusion on Day 1 followed by Day 4.

Sponsors

Takeda Development Center Americas, Inc.
CollaboratorINDUSTRY
Takeda
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
19 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy, adult, male or female, 19-55 years of age, inclusive, at screening. * Continuous non-smoker who has not used nicotine-containing products for at least 30 days prior to the first dosing and throughout the study, based on participant self-reporting. * Body mass index (BMI) greater than or equal to (\>=) 18.0 and less than or equal to (\<=) 32.0 kilogram per square meter (kg/m\^2) at screening. * Medically healthy with no clinically significant medical history, physical examination, laboratory profiles, vital signs or electrocardiograms (ECGs), per the investigator. * Male, or non-pregnant, non-lactating female who agrees to comply with any applicable contraceptive requirements of the protocol or females of non-childbearing potential. * Understands the study procedures in the informed consent form (ICF) and be willing and able to comply with the protocol.

Exclusion criteria

* Is mentally or legally incapacitated or has significant emotional problems at the time of the screening visit or expected during the conduct of the study. * History or presence of clinically significant medical or psychiatric condition or disease per the investigator. * History of any illness that might confound the results of the study or poses an additional risk to the participant by their participation in the study, per the investigator. * History or presence of alcoholism or drug abuse within the past 2 years prior to the first dosing per the investigator. * History or presence of hypersensitivity or idiosyncratic reaction to the study drug(s) or related compounds. * History or presence of any hematological, hepatic, respiratory, cardiovascular, renal, neurological or psychiatric disease, gall bladder removal, or current or recurrent disease that could affect the action, absorption, or disposition of the investigational product, or clinically significant clinical or laboratory assessments per the investigator. * Female participants with a positive pregnancy test or lactating. * Positive urine drug or alcohol results at screening. * Positive results at screening for human immunodeficiency virus (HIV), hepatitis B surface antigen (HBsAg) or hepatitis C virus (HCV). * Supine blood pressure is less than 90/40 millimetre of mercury (mmHg) or greater than 140/90 mmHg at screening. * Supine heart rate is lower than 40 beats per minute (bpm) or higher than 99 bpm at screening. * Orthostatic vital sign results with a decrease in systolic greater than (\>) 20 mmHg or decrease in diastolic \> 10 mmHg and increase in pulse of \> 20 beats per minute. * QTcF interval is \> 450 milliseconds (msec) (males) or \> 470 msec (females) or ECG findings are deemed abnormal with clinical significance at screening per the investigator. * Estimated creatinine clearance less than (\<) 80 milliliters per minute (mL/min) at screening. * Unable to refrain from or anticipates the use of any drug, including prescription and non-prescription medications, herbal remedies, or vitamin supplements within 14 days prior to the first dosing and throughout the study. Medication listed as part of acceptable birth control methods will be allowed. Thyroid hormone replacement medication may be permitted if the participant has been on the same stable dose for the immediate 3 months prior to first study drug administration. After randomization/dosing, a nonsteroidal anti-inflammatory drug may be administered at the discretion of the investigator. Hormone replacement therapy will also be allowed if the participant has been on the same stable dose for the immediate 3 months prior to first study drug administration. * Has been on a diet incompatible with the on-study diet, per the investigator, within the 30 days prior to the first dosing and throughout the study. * Donation of blood or significant blood loss within 56 days prior to the first dosing. * Plasma donation within 7 days prior to the first dosing. * Participation in another clinical study within 30 days or 5 half-lives prior to the first dosing. The 30-day window or 5 half-lives will be derived from the date of the last blood collection or dosing, whichever is later, in the previous study to Day 1 of the current study

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants Reporting One or More Treatment-emergent Adverse Events (TEAEs)From the first dose of study treatment up to the end of study (Day 112)An adverse event (AE) was defined as any untoward medical occurrence in a clinical investigation participant who has signed informed consent to participate in a study that did not necessarily have a causal relationship with the treatment. TEAEs were events that occurred on or after the date and time of administration of the first dose of study medication. TEAEs included both serious TEAEs and non-serious TEAEs. Number of participants with TEAEs were reported.
Number of Participants With Clinically Significant Change From Baseline in Laboratory ParametersFrom the first dose of study treatment up to the end of study (Day 112)Clinical laboratory assessment included hematology, clinical chemistry, coagulation, and urinalysis. Any changes in clinical laboratory results that were deemed clinically significant were judged by the investigator. The number of participants with clinically significant change from baseline in laboratory values were reported.
Number of Participants With Clinically Significant Change From Baseline in Vital SignsFrom the first dose of study treatment up to the end of study (Day 112)Vital signs included blood pressure (systolic and diastolic), heart rate, and body temperature (oral). Any changes in vital signs that were deemed clinically significant were judged by the investigator. The number of participants with clinically significant change from baseline in vital signs were reported.
Number of Participants With Clinically Significant Change From Baseline in 12-lead Electrocardiogram (ECG) FindingsFrom the first dose of study treatment up to the end of study (Day 112)12-lead ECG recordings included rhythm, heart rate (as measured by RR interval), PR interval, QRS duration, and QT interval. Any changes in ECG parameters that were deemed clinically significant were judged by the investigator. The number of participants with clinically significant changes from baseline in 12-lead ECG findings were reported.
AUC0-last: Area Under the Plasma Concentration-time Curve From Time Zero to the Last Quantifiable Concentration for LanadelumabPre-dose (Day 1) up to 2664 hours post-doseAUC0-last for lanadelumab was reported.
AUC0-inf: Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity for LanadelumabPre-dose (Day 1) up to 2664 hours post-doseAUC0-inf for lanadelumab was reported.
Cmax1: Maximum Observed Plasma Concentration Following the First IV Dose for LanadelumabPre-dose (Day 1) up to 2664 hours post-doseCmax1 following the first IV dose for lanadelumab was reported.
Cmax2: Maximum Observed Plasma Concentration Following the Second IV Dose for LanadelumabPre-dose (Day 4) up to 2592 hours post-doseCmax2 following the second IV dose for lanadelumab was reported.
Tmax1: Minimum Observed Time to Reach the First Cmax1 for LanadelumabPre-dose (Day 1) up to 2664 hours post-doseTmax1 following the first IV dose for lanadelumab was reported.
Tmax2: Minimum Observed Time to Reach the Second Cmax2 for LanadelumabPre-dose (Day 4) up to 2592 hours post-doseTmax2 following the second IV dose for lanadelumab was reported.
Terminal Half-Life (T1/2) of Lanadelumab in PlasmaPre-dose (Day 1) up to 2664 hours post-doseT1/2 is defined as the time required for the concentration of the drug to reach half of its original value. T1/2 for lanadelumab was reported.
Clearance (CL) of Lanadelumab in PlasmaPre-dose (Day 1) up to 2664 hours post-doseClearance is defined as a quantitative measure of the rate at which a drug substance is removed from the body. CL for lanadelumab was reported.
Vss: Volume of Distribution at Steady State in Plasma for LanadelumabPre-dose (Day 1) up to 2664 hours post-doseVolume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Vss for lanadelumab was reported.
First Order Elimination Rate Constant Associated With the Terminal (Log-linear) Portion of the Curve (Lambda z) of LanadelumabPre-dose (Day 1) up to 2664 hours post-doseLambda z of Lanadelumab was reported.

Countries

United States

Participant flow

Recruitment details

This study was conducted at 1 investigative site in the United States between 10 August 2020 (first participant first visit) and 23 December 2020 (last participant last visit).

Pre-assignment details

A total of 12 healthy participants were enrolled and randomized to receive lanadelumab 300 milligrams (mg) or matching placebo in this study.

Participants by arm

ArmCount
Lanadelumab 300 mg
Participants received a single dose of lanadelumab 300 mg IV infusion on Day 1 followed by a second dose on Day 4.
9
Placebo
Participants received a single dose of placebo (normal saline) IV infusion on Day 1 followed by a second dose on Day 4.
3
Total12

Baseline characteristics

CharacteristicPlaceboTotalLanadelumab 300 mg
Age, Continuous42.0 years
STANDARD_DEVIATION 10.44
36.3 years
STANDARD_DEVIATION 11.48
34.3 years
STANDARD_DEVIATION 11.73
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants1 Participants0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
2 Participants11 Participants9 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
0 Participants2 Participants2 Participants
Race (NIH/OMB)
More than one race
0 Participants2 Participants2 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
3 Participants8 Participants5 Participants
Sex: Female, Male
Female
1 Participants5 Participants4 Participants
Sex: Female, Male
Male
2 Participants7 Participants5 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 90 / 3
other
Total, other adverse events
7 / 92 / 3
serious
Total, serious adverse events
0 / 90 / 3

Outcome results

Primary

AUC0-inf: Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity for Lanadelumab

AUC0-inf for lanadelumab was reported.

Time frame: Pre-dose (Day 1) up to 2664 hours post-dose

Population: The PK analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Lanadelumab 300 mgAUC0-inf: Area Under the Plasma Concentration-time Curve From Time Zero Extrapolated to Infinity for Lanadelumab33305 h*mcg/mLGeometric Coefficient of Variation 10.5
Primary

AUC0-last: Area Under the Plasma Concentration-time Curve From Time Zero to the Last Quantifiable Concentration for Lanadelumab

AUC0-last for lanadelumab was reported.

Time frame: Pre-dose (Day 1) up to 2664 hours post-dose

Population: The pharmacokinetic (PK) analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Lanadelumab 300 mgAUC0-last: Area Under the Plasma Concentration-time Curve From Time Zero to the Last Quantifiable Concentration for Lanadelumab32955 hour*microgram per milliliter (h*mcg/mL)Geometric Coefficient of Variation 10.5
Primary

Clearance (CL) of Lanadelumab in Plasma

Clearance is defined as a quantitative measure of the rate at which a drug substance is removed from the body. CL for lanadelumab was reported.

Time frame: Pre-dose (Day 1) up to 2664 hours post-dose

Population: The PK analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Lanadelumab 300 mgClearance (CL) of Lanadelumab in Plasma18.1 milliliter per hour (mL/h)Geometric Coefficient of Variation 10.4
Primary

Cmax1: Maximum Observed Plasma Concentration Following the First IV Dose for Lanadelumab

Cmax1 following the first IV dose for lanadelumab was reported.

Time frame: Pre-dose (Day 1) up to 2664 hours post-dose

Population: The PK analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Lanadelumab 300 mgCmax1: Maximum Observed Plasma Concentration Following the First IV Dose for Lanadelumab75.6 microgram per milliliter (mcg/mL)Geometric Coefficient of Variation 16.1
Primary

Cmax2: Maximum Observed Plasma Concentration Following the Second IV Dose for Lanadelumab

Cmax2 following the second IV dose for lanadelumab was reported.

Time frame: Pre-dose (Day 4) up to 2592 hours post-dose

Population: The PK analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Lanadelumab 300 mgCmax2: Maximum Observed Plasma Concentration Following the Second IV Dose for Lanadelumab120 mcg/mLGeometric Coefficient of Variation 20.7
Primary

First Order Elimination Rate Constant Associated With the Terminal (Log-linear) Portion of the Curve (Lambda z) of Lanadelumab

Lambda z of Lanadelumab was reported.

Time frame: Pre-dose (Day 1) up to 2664 hours post-dose

Population: The PK analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Lanadelumab 300 mgFirst Order Elimination Rate Constant Associated With the Terminal (Log-linear) Portion of the Curve (Lambda z) of Lanadelumab9.90 Per hour (/h)Geometric Coefficient of Variation 31
Primary

Number of Participants Reporting One or More Treatment-emergent Adverse Events (TEAEs)

An adverse event (AE) was defined as any untoward medical occurrence in a clinical investigation participant who has signed informed consent to participate in a study that did not necessarily have a causal relationship with the treatment. TEAEs were events that occurred on or after the date and time of administration of the first dose of study medication. TEAEs included both serious TEAEs and non-serious TEAEs. Number of participants with TEAEs were reported.

Time frame: From the first dose of study treatment up to the end of study (Day 112)

Population: The safety analysis set consisted of all participants who had started at least 1 dose of lanadelumab or placebo.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Lanadelumab 300 mgNumber of Participants Reporting One or More Treatment-emergent Adverse Events (TEAEs)7 Participants
PlaceboNumber of Participants Reporting One or More Treatment-emergent Adverse Events (TEAEs)2 Participants
Primary

Number of Participants With Clinically Significant Change From Baseline in 12-lead Electrocardiogram (ECG) Findings

12-lead ECG recordings included rhythm, heart rate (as measured by RR interval), PR interval, QRS duration, and QT interval. Any changes in ECG parameters that were deemed clinically significant were judged by the investigator. The number of participants with clinically significant changes from baseline in 12-lead ECG findings were reported.

Time frame: From the first dose of study treatment up to the end of study (Day 112)

Population: The safety analysis set consisted of all participants who had started at least 1 dose of lanadelumab or placebo.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Lanadelumab 300 mgNumber of Participants With Clinically Significant Change From Baseline in 12-lead Electrocardiogram (ECG) Findings0 Participants
PlaceboNumber of Participants With Clinically Significant Change From Baseline in 12-lead Electrocardiogram (ECG) Findings0 Participants
Primary

Number of Participants With Clinically Significant Change From Baseline in Laboratory Parameters

Clinical laboratory assessment included hematology, clinical chemistry, coagulation, and urinalysis. Any changes in clinical laboratory results that were deemed clinically significant were judged by the investigator. The number of participants with clinically significant change from baseline in laboratory values were reported.

Time frame: From the first dose of study treatment up to the end of study (Day 112)

Population: The safety analysis set consisted of all participants who had started at least 1 dose of lanadelumab or placebo.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Lanadelumab 300 mgNumber of Participants With Clinically Significant Change From Baseline in Laboratory Parameters0 Participants
PlaceboNumber of Participants With Clinically Significant Change From Baseline in Laboratory Parameters0 Participants
Primary

Number of Participants With Clinically Significant Change From Baseline in Vital Signs

Vital signs included blood pressure (systolic and diastolic), heart rate, and body temperature (oral). Any changes in vital signs that were deemed clinically significant were judged by the investigator. The number of participants with clinically significant change from baseline in vital signs were reported.

Time frame: From the first dose of study treatment up to the end of study (Day 112)

Population: The safety analysis set consisted of all participants who had started at least 1 dose of lanadelumab or placebo.

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Lanadelumab 300 mgNumber of Participants With Clinically Significant Change From Baseline in Vital Signs0 Participants
PlaceboNumber of Participants With Clinically Significant Change From Baseline in Vital Signs0 Participants
Primary

Terminal Half-Life (T1/2) of Lanadelumab in Plasma

T1/2 is defined as the time required for the concentration of the drug to reach half of its original value. T1/2 for lanadelumab was reported.

Time frame: Pre-dose (Day 1) up to 2664 hours post-dose

Population: The PK analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (MEDIAN)
Lanadelumab 300 mgTerminal Half-Life (T1/2) of Lanadelumab in Plasma19.3 days
Primary

Tmax1: Minimum Observed Time to Reach the First Cmax1 for Lanadelumab

Tmax1 following the first IV dose for lanadelumab was reported.

Time frame: Pre-dose (Day 1) up to 2664 hours post-dose

Population: The PK analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (MEDIAN)
Lanadelumab 300 mgTmax1: Minimum Observed Time to Reach the First Cmax1 for Lanadelumab2.01 hours
Primary

Tmax2: Minimum Observed Time to Reach the Second Cmax2 for Lanadelumab

Tmax2 following the second IV dose for lanadelumab was reported.

Time frame: Pre-dose (Day 4) up to 2592 hours post-dose

Population: The PK analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (MEDIAN)
Lanadelumab 300 mgTmax2: Minimum Observed Time to Reach the Second Cmax2 for Lanadelumab74.03 hours
Primary

Vss: Volume of Distribution at Steady State in Plasma for Lanadelumab

Volume of distribution is defined as the theoretical volume in which the total amount of drug would need to be uniformly distributed to produce the desired plasma concentration of a drug. Vss for lanadelumab was reported.

Time frame: Pre-dose (Day 1) up to 2664 hours post-dose

Population: The PK analysis set consisted of all participants who received at least one dose of the study drug and had at least one evaluable PK concentration post-dose.

ArmMeasureValue (GEOMETRIC_MEAN)Dispersion
Lanadelumab 300 mgVss: Volume of Distribution at Steady State in Plasma for Lanadelumab8070 milliliter (mL)Geometric Coefficient of Variation 19.5

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026