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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05758428
Other study ID # RPL554-AHC001
Secondary ID
Status Completed
Phase Phase 1
First received
Last updated
Start date March 6, 2023
Est. completion date April 18, 2023

Study information

Verified date February 2023
Source Nuance Pharma (shanghai) Co., Ltd
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a phase 1, open-label, parallel cohort study to evaluate the PK, safety and tolerability of nebulized ensifentrine following administration of single and multiple doses in healthy Chinese male subjects.


Description:

This study consists of two cohorts, and approximately a total of up to 28 healthy male subjects, 14 subjects in Cohort 1, and 14 subjects in Cohort 2, will be enrolled. Cohort 2 will be randomly assigned to Sequence 1 and Sequence 2 according to the ratio of 1:1. Treatment Group 1. Cohort 1: subjects will receive a 3 mg ensifentrine single dose, followed by 3 mg repeated dose (twice daily, BID). 2. Cohort 2: subjects will receive two single doses of 1.5 mg and 6 mg ensifentrine, separated by at least a 7-day washout period using crossover design.


Recruitment information / eligibility

Status Completed
Enrollment 28
Est. completion date April 18, 2023
Est. primary completion date April 18, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Male
Age group 18 Years to 50 Years
Eligibility Inclusion Criteria: 1. Subjects (18-50 yrs) who are overtly healthy as determined by medical evaluation including medical history, physical examination, vital signs, laboratory tests, and ECG without abnormality or with abnormality of no clinical significance; 2. A male subject must agree to use contraception as detailed in the protocol from the screening visit to within 30 days of the last dose after study completion and refrain from donating sperm during this period; 3. Subjects never smoke or is ex-smoker for = 12 months,never chewing tobacco within 90 days prior to screening; 4. 3. Body weight must be = 50 kg and body mass index (BMI) between 18.0 and 30.0 kg/m2. Exclusion Criteria: 1. History or current malignancy of any organ system, treated or untreated within the past 5 years; 2. Known allergy, immune reaction, or intolerance to ensifentrine or any of the excipients of the formulation and/or ineligible to receive ensifentrine; 3. Subjects with the history of pulmonary and cardiovascular disease; 4. Any chronic condition or disease, including but not limited to: Metabolism, endocrine (such as diabetes, hypothyroidism/hyperthyroidism), liver, kidney, gastrointestinal tract, hematology or nervous system and other diseases; 5. Respiratory tract infection (upper and/or lower) treated with antibiotics within 12 weeks of screening visit; 6. Current infection of clinical significance or known ongoing inflammatory condition; 7. Live or attenuated vaccine(s) within 1 month prior to screening, or plan to receive such vaccines during the study; 8. Immunotherapy within 30 days of screening; 9. Subjects who participated in any other interventional clinical trials within 3 months prior to screening; 10. Subjects who have used any drugs that inhibit or induce liver metabolism of drugs within 30 days prior to screening or have used any drugs within 14 days prior to screening; 11. Subjects who have a history of alcohol or drug abuse, or have used any drug abuse within 6 months before screening; 12. Subjects with a positive alcohol breath test, or a positive urinalysis screening test or a positive smoke test; 13. Creatinine clearance < 80mL/min by Cockcroft-Gault formula; 14. Subjects who have clinically significant abnormalities in physical examination, vital signs, chest x-ray, and laboratory examinations; 15. Pulmonary function test: Subjects who have measured value of forced expiratory volume in first second (FEV1) / predicted value of FEV1 = 80% or forced vital capacity (FVC) = 80% of predicted value or any other clinically significant abnormality; 16. Subjects who have any of abnormal findings in 12-lead ECG or any other clinically significant abnormality; 17. Subjects who have undergone surgery within 6 months prior to the dosing of the study drug or who have undergone surgery within 4 weeks prior to the dosing of the study drug or who plan to undergo surgery during the trial; 18. Donated blood or blood products or had substantial loss of blood (more than 300 mL) within 56 days prior to the first administration of study treatment. 19. Unwilling to follow the lifestyle considerations; 20. Any other reason that the investigator considers the patient unsuitable to participate in the study.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Ensifentrine
14 Subjects enrolled will use one 3 mg/2.5 mL ampule for the 3 mg dose, subjects will receive a 3 mg ensifentrine single dose, followed by 3 mg repeated dose (twice daily, BID). On the dosing day (Day 1), subjects will receive a single dose of 3 mg ensifentrine. On Day 4, subjects will receive multiple doses of 3 mg ensifentrine BID for 3 days (Day 4 to Day 6), and a morning dose will be administered on Day 7.
Ensifentrine
14 subjects will be enrolled in this cohort, then randomly assigned to one of 2 treatment sequences (6mg and 1.5mg single dose). Subjects will 2 different dose levels of study drug. Two 3 mg/2.5 mL ampules will be needed for the 6 mg dose (5 mL total volume) and the 1.5 mg dose will be achieved using an appropriate dilution protocol described in the pharmacy manual.

Locations

Country Name City State
China The Third Hospital of Changsha Changsha Hunan

Sponsors (1)

Lead Sponsor Collaborator
Nuance Pharma (shanghai) Co., Ltd

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Cmax of RPL554 Blood PK sampling for RPL554 concentration 0 to 72 hours
Primary AUC0-t of RPL554 Area under the plasma concentration from time 0 to the last collection time after drug administration 0 to 72 hours
Primary Tmax of RPL554 Time to maximum observed plasma concentration 0 to 72 hours
Primary t1/2 of RPL554 Half-life of RPL554 0 to 72 hours
Secondary Adverse events Adverse events From the first dose usage to the end of the study, approxiamtely up to 15 days
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