A Study to Investigate Safety, Tolerability, and Pharmacokinetics of AZD3974 in Healthy Participants
A Phase I, Randomized, Single-blind, Placebo-controlled Study to Assess the Safety, Tolerability and Pharmacokinetics of AZD3974 After Single and Multiple Ascending Dosing to Healthy Participants
1 other identifier
interventional
176
1 country
2
Brief Summary
The purpose of this study is to assess the safety and tolerability of AZD3974 and characterize the pharmacokinetics (PK) of AZD3974 following oral administration to healthy participants, including participants of Japanese and Chinese descent.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started Dec 2025
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 5, 2025
CompletedStudy Start
First participant enrolled
December 10, 2025
CompletedFirst Posted
Study publicly available on registry
December 18, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 21, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
October 21, 2026
April 27, 2026
April 1, 2026
11 months
December 5, 2025
April 24, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Number of participants with adverse events (AEs) and serious adverse events (SAEs)
To assess the safety and tolerability of AZD3974 following oral administration of single and multiple ascending doses in healthy participants, including Chinese and Japanese participants
Part A: Upto Day 7; Part A1 Cohort 3: Upto Day 10; Part B: Upto Day 14
Secondary Outcomes (41)
Part A and Part B: Plasma concentrations of AZD3974
Part A: Day 1 to Day 2; Part B: Day 1 to Day 9
Part A1-Cohort 3: Plasma concentrations of AZD3974
Day 1 to Day 4
Part A and Part B: Urine concentrations of AZD3974
Part A: Day 1; Part B: Day 1 and Day 7
Part A1-Cohort 3: Urine concentrations of AZD3974
Day 1 and Day 3
Part A and Part B: Area under concentration-curve from time 0 to the last quantifiable concentration (AUClast)
Part A: Day 1 to Day 2; Part B: Day 1 to Day 9
- +36 more secondary outcomes
Study Arms (28)
Part A1 (SAD) Cohort 1: AZD3974 (Dose 1)
EXPERIMENTALHealthy participants will receive a single dose of AZD3974 - Dose 1
Part A1 (SAD) Cohort 2: AZD3974 (Dose 2)
EXPERIMENTALHealthy participants will receive a single dose of AZD3974 - Dose 2
Part A1 (SAD) Cohort 3: AZD3974 (Dose 3) (Food Effect Cohort)
EXPERIMENTALHealthy participants will receive two single doses of AZD3974 - Dose 3
Part A1 (SAD) Cohort 4: AZD3974 (Dose 4)
EXPERIMENTALHealthy participants will receive a single dose of AZD3974 - Dose 4
Part A1 (SAD) Cohort 5: AZD3974 (Dose 5)
EXPERIMENTALHealthy participants will receive a single dose of AZD3974 - Dose 5
Part A1 (SAD) Cohort 6: AZD3974 (Dose 6)
EXPERIMENTALHealthy participants will receive a single dose of AZD3974 - Dose 6
Part A1 (SAD) optional additional Cohort 7: AZD3974
EXPERIMENTALHealthy participants will receive a single dose of AZD3974
Part A1 (SAD) optional additional Cohort 8: AZD3974
EXPERIMENTALHealthy participants will receive a single dose of AZD3974
Part A1 (SAD) Cohort: Placebo
PLACEBO COMPARATORHealthy participants will receive a single dose of matching placebo to AZD3974
Part A1 (SAD) Cohort 3: Placebo (Food Effect Cohort)
PLACEBO COMPARATORHealthy participants will receive two single doses of matching placebo to AZD3974
Part A2 (SAD) Japanese Cohort 1: AZD3974
EXPERIMENTALHealthy Japanese participants will receive a single dose of AZD3974
Part A2 (SAD) Japanese Cohort 2: AZD3974
EXPERIMENTALHealthy Japanese participants will receive a single dose of AZD3974
Part A2 (SAD) Japanese Cohort 3: AZD3974
EXPERIMENTALHealthy Japanese participants will receive a single dose of AZD3974
Part A2 (SAD) optional additional Japanese Cohort 4: AZD3974
EXPERIMENTALHealthy Japanese participants will receive a single dose of AZD3974
Part A2 (SAD) Japanese Cohort: Placebo
PLACEBO COMPARATORHealthy Japanese participants will receive a single dose of matching placebo to AZD3974
Part A3 (SAD) Chinese Cohort 1: AZD3974
EXPERIMENTALHealthy Chinese participants will receive a single dose of AZD3974
Part A3 (SAD) optional additional Chinese Cohort 2: AZD3974
EXPERIMENTALHealthy Chinese participants will receive a single dose of AZD3974
Part A3 (SAD) Chinese Cohort: Placebo
PLACEBO COMPARATORHealthy Chinese participants will receive a single dose of matching placebo to AZD3974
Part B1 (MAD) Cohort 1: AZD3974
EXPERIMENTALHealthy participants will receive multiple doses of AZD3974
Part B1 (MAD) Cohort 2: AZD3974
EXPERIMENTALHealthy participants will receive multiple doses of AZD3974
Part B1 (MAD) Cohort 3: AZD3974
EXPERIMENTALHealthy participants will receive multiple doses of AZD3974
Part B1 (MAD) Cohort 4: AZD3974
EXPERIMENTALHealthy participants will receive multiple doses of AZD3974
Part B1 (MAD) optional additional Cohort 5: AZD3974
EXPERIMENTALHealthy participants will receive multiple doses of AZD3974
Part B1 (MAD) optional additional Cohort 6: AZD3974
EXPERIMENTALHealthy participants will receive multiple doses of AZD3974
Part Bl (MAD) Cohort: Placebo
PLACEBO COMPARATORHealthy participants will receive multiple doses of matching placebo to AZD3974
Part B2 (MAD) Japanese Cohort 1: AZD3974
EXPERIMENTALHealthy Japanese participants will receive multiple doses of AZD397
Part B2 (MAD) optional additional Japanese Cohort 2: AZD3974
EXPERIMENTALHealthy Japanese participants will receive multiple doses of matching placebo to AZD3974
Part B2 (MAD) Japanese Cohort: Placebo
PLACEBO COMPARATORHealthy Japanese participants will receive multiple doses of matching placebo to AZD3974
Interventions
AZD3974 will be administered as an oral solution.
Placebo will be administered as an oral solution.
Eligibility Criteria
You may qualify if:
- Healthy male and female (of non-childbearing potential) participants with suitable veins for cannulation or repeated venipuncture at the Screening Visit.
- All females must have a negative pregnancy test. Females of non-childbearing potential must be confirmed via post-menopausal status or documentation of irreversible surgical sterilization at the Screening Visit.
- Sexually active fertile male participants with partners of childbearing potential must adhere to the contraception methods.
- Have a body mass index between 18 and 32 kg/m2 inclusive and weigh at least 50 kg at Screening.
- For healthy Japanese cohorts (Part A2 and Part B2): healthy male and female participants are to be Japanese (eg, natives of Japan or Japan Americans), defined as having both parents and 4 grandparents who are Japanese. This includes second and third generation participants of Japanese descent whose parents or grandparents are living in a country other than Japan.
- For healthy Chinese cohort (Part A3): healthy male and female Chinese participants for whom both parents and 4 grandparents are Chinese. This includes second and third generation participants of Chinese descent whose parents or grandparents are living in a country other than China.
You may not qualify if:
- History of any clinically important disease or disorder which, may either put the participant at risk because of participation in the study, or influence the results or the participant's ability to participate in the study.
- History or presence of gastrointestinal, hepatic, or renal disease or any other condition known to interfere with absorption, distribution, metabolism, or excretion of drugs.
- Any clinically important illness, medical/surgical procedure, or trauma within 4 weeks of the first administration of study intervention.
- Any abnormal laboratory values, vital signs, or any clinically important abnormalities in clinical chemistry, hematology, or urinalysis results.
- Any positive result on Screening for serum hepatitis B and C viruses and human immunodeficiency virus.
- Any clinically important abnormalities in rhythm, conduction, or morphology of the resting 12 lead electrocardiography at Screening and/or admission to the Clinical Unit .
- Known or suspected history of alcohol or drug abuse or excessive intake of alcohol.
- Positive screen for drugs of abuse, or alcohol, or cotinine.
- History of severe allergy/hypersensitivity or ongoing clinically important allergy/hypersensitivity.
- Participants who have previously received AZD3974.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- AstraZenecalead
- Parexelcollaborator
Study Sites (2)
Research Site
Glendale, California, 91206, United States
Research Site
Baltimore, Maryland, 21225, United States
Central Study Contacts
AstraZeneca Clinical Study Information Center
CONTACT
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- TREATMENT
- Intervention Model
- SEQUENTIAL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 5, 2025
First Posted
December 18, 2025
Study Start
December 10, 2025
Primary Completion (Estimated)
October 21, 2026
Study Completion (Estimated)
October 21, 2026
Last Updated
April 27, 2026
Record last verified: 2026-04
Data Sharing
- IPD Sharing
- Will share
- Time Frame
- AstraZeneca will meet or exceed data availability as per the commitments made to the EFPIA PhRMA Data Sharing Principles. For details of our timelines, please rerefer to our disclosure commitment at https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure
- Access Criteria
- When a request has been approved AstraZeneca will provide access to the anonymized individual patient-level data via secure research environment Vivli.org. Signed Data Usage Agreement (non-negotiable contract for data accessors) must be in place before accessing requested information.
Qualified researchers can request access to anonymized individual patient-level data from AstraZeneca group of companies sponsored clinical trials via the request portal Vivli.org. All requests will be evaluated as per the AZ disclosure commitment: https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure. Yes, indicates that AZ are accepting requests for IPD, but this does not mean all requests will be shared.