Study to Assess the Intrapulmonary Pharmacokinetics of SPR206 in Healthy Volunteers

A Phase 1, Single-Center, Open-Label Study to Assess the Intrapulmonary Pharmacokinetics of SPR206 by Comparing the Plasma, Epithelial Lining Fluid, and Alveolar Macrophage Concentrations Following the Intravenous Administration of SPR206 in Healthy Volunteers

To evaluate the intrapulmonary pharmacokinetics (PK), including epithelial lining fluid (ELF) and alveolar macrophage (AM) concentrations, of SPR206 as well as plasma concentrations of SPR206 in healthy adult volunteers.

Study Overview

• Status: Completed
• Conditions: Healthy Volunteers
• Intervention / Treatment: Drug: SPR206

• Study Type: Interventional
• Enrollment (Actual): 34
• Phase: Phase 1

Contacts and Locations

Study Locations

• United Kingdom
  • Manchester, United Kingdom, M23 9QZ
    • Medical facility

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 55 years (ADULT)
• Accepts Healthy Volunteers: Yes
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Non-smoker for at least 12 months prior to screening for the study
• BMI ≥ 18.5 and ≤ 32 (kg/m2) and weight between 55.0 and 100.0 kg (both inclusive)
• Medically healthy without clinically significant abnormalities as assessed by the Investigator based on screening medical history, physical examination, vital signs, 12-lead ECG, hematology, biochemistry, coagulation, and urinalysis
• Forced expiratory volume in 1 second (FEV1) of at least 80% of predicted value at screening
• Ability and willingness to abstain from alcohol, caffeine, xanthine-containing beverages or food from 48 hours prior to study drug administration until discharge from the clinical unit
• If male, must agree to use a condom and have a non-pregnant female partner of childbearing potential agree to use a highly effective method of contraception
• If female, must be of non-childbearing potential or, if female of childbearing potential, a willingness to abstain from sexual activity or agree to use a high effective method of contraception that could lead to pregnancy
• Other inclusion criteria per protocol

Exclusion Criteria:

• History or presence of significant oncologic, cardiovascular, pulmonary, hepatic, renal, hematological, gastrointestinal, endocrine, immunologic, dermatologic, vascular or neurological disease, including any acute illness or surgery within the past 3 months determined by the Investigator to be clinically relevant
• Recent history (within 6 months) of known or suspected Clostridium difficile infection
• History of seizure disorders
• Positive urine drug, alcohol or cotinine testing at screening or check-in (Day -1)
• Positive testing for human immunodeficiency virus (HIV), hepatitis B surface antigen (HBsAg) or hepatitis C antibodies (HCV Ab)
• Positive testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) at screening or prior to first dosing

• Presence of the following symptoms at screening or within 28 days prior to screening or check-in (Day -1):

  1. Fever, chills or sweats (temperature of 38 °C / 100.4 °F or higher)
  2. Difficulty breathing
  3. Cough
  4. Sore throat
  5. New or recent loss of taste or smell
  6. Nausea, vomiting or diarrhea
• Close contact with anyone who tested positive for SARS-CoV-2 infection within 28 days prior to screening or check-in (Day -1)
• Electrocardiogram (ECG) with QTcF interval duration equal or greater than 450 msec for males and 470 msec for females

• Subjects who have any of the following abnormalities on laboratory values at screening or Check-In including:

  1. White blood cell count < 3,000/mm3, hemoglobin < 11g/dL
  2. Absolute neutrophil count ≤ 2,000/mm3, platelet count <120,000/mm3
  3. alanine aminotransferase (ALT) OR aspartate aminotransferase (AST) greater than the upper limit of normal (ULN) for the reference laboratory
• History of substance abuse or alcohol abuse
• Use of prescription medicine & tobacco/nicotine or marijuana-containing products
• A female who is pregnant or breastfeeding
• Other exclusion criteria per protocol

Study Plan

How is the study designed?

Design Details

• Primary Purpose: OTHER
• Allocation: NA
• Interventional Model: SINGLE_GROUP
• Masking: NONE

Number of Arms

1

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
EXPERIMENTAL: SPR206; Healthy subjects meeting eligibility criteria will receive a total of three 100 mg SPR206 intravenous doses administered every 8 hours.	Drug: SPR206; Three 100 mg SPR206 intravenous doses administered every 8 hours

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Time Frame
Area under the concentration-time curve from time 0 to 8 hours (AUC0-8) for ELF, AM, and plasma	8 hours after the start of the third study drug IV infusion
Maximum observed concentration (Cmax) for ELF, AM, and plasma	8 hours after the start of the third study drug IV infusion
Minimum concentration (Cmin) for ELF, AM, and plasma	8 hours after the start of the third study drug IV infusion
Time to the maximum observed concentration (Tmax) for ELF, AM, and plasma	8 hours after the start of the third study drug IV infusion

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Incidence of Treatment-Emergent Adverse Events	To assess the incidents of treatment-emergent adverse events following three 100mg SPR206 intravenous doses administered every 8 hours. AEs will be classified by System Organ Class (SOC) and Preferred Term (PT). Incidence, frequency, severity and duration will be presented.	Day -1 to Day 7
Incidence of abnormal vital sign assessments - blood pressure	To assess the incidents of abnormal systolic and diastolic blood pressure assessments following three 100mg SPR206 intravenous doses administered every 8 hours. Frequency count of significant changes from baseline will be presented.	Day -1 to Day 7
Incidence of abnormal vital sign assessments - body temperature	To assess the incidents of abnormal body temperature assessments following three 100mg SPR206 intravenous doses administered every 8 hours. Frequency count of significant changes from baseline will be presented.	Day -1 to Day 7
Incidence of abnormal vital sign assessments - heart rate	To assess the incidents of abnormal heart rate assessments following three 100mg SPR206 intravenous doses administered every 8 hours. Frequency count of significant changes from baseline will be presented.	Day -1 to Day 7
Incidence of abnormal vital sign assessments - respiratory rate	To assess the incidents of abnormal respiratory rate assessments following three 100mg SPR206 intravenous doses administered every 8 hours. Frequency count of significant changes from baseline will be presented.	Day -1 to Day 7
Incidence of abnormal physical exam assessments	To assess the incidents of abnormal body system assessments following three 100mg SPR206 intravenous doses administered every 8 hours. Changes from baseline in physical examination findings will be classified as Normal, Abnormal NCS, and Abnormal CS. Frequency counts will be presented.	Day -1 to Day 7
Incidence of abnormal ECG assessments - heart rate	To assess the incidents of abnormal heart rate assessment following three 100mg SPR206 intravenous doses administered every 8 hours. Cardiac (12-Lead ECG) for heart rate will be classified as normal, abnormality that is NCS, and CS abnormality. Frequency counts by dose group and timepoint of collection will be presented.	Day -1 to Day 7
Incidence of abnormal ECG assessments - PR, RR, QRS, QT and QTcF interval	To assess the incidents of abnormal PR interval, RR interval, QRS interval, QT interval and QTcF interval assessments following three 100mg SPR206 intravenous doses administered every 8 hours. Cardiac (12-Lead ECG) results will be classified as normal, abnormality that is NCS, and CS abnormality. Frequency counts by dose group and timepoint of collection will be presented.	Day -1 to Day 7
Incidence of abnormal safety laboratory assessments	To assess the incidents of abnormal hematology, serum chemistry, coagulation and urinalysis assessments following three 100mg SPR206 intravenous doses administered every 8 hours. Frequency counts of significant changes from baseline will be presented.	Day -1 to Day 7

Collaborators and Investigators

• Sponsor: Spero Therapeutics
• Collaborators: United States Department of Defense

Study record dates

Study Major Dates

• Study Start (ACTUAL): June 3, 2021
• Primary Completion (ACTUAL): September 16, 2021
• Study Completion (ACTUAL): September 29, 2021

Study Registration Dates

• First Submitted: April 13, 2021
• First Submitted That Met QC Criteria: April 27, 2021
• First Posted (ACTUAL): April 30, 2021

Study Record Updates

• Last Update Posted (ACTUAL): November 17, 2021
• Last Update Submitted That Met QC Criteria: November 16, 2021
• Last Verified: November 1, 2021

More Information

Terms related to this study

• Keywords: pharmacokinetics; bronchoalveolar lavage; alveolar macrophages (AM); epithelial lining fluid (ELF); intrapulmonary
• Other Study ID Numbers: SPR206-102; CDMRP-JW180095-A (OTHER_GRANT: United States Department of Defense); 2020-006019-52 (EUDRACT_NUMBER)

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: NO

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No