Phase I Study to Assess Safety, Tolerability, PK and PD of AGMB-447 in Healthy Participants and Participants With IPF

Inclusion criteria for Healthy Participants (Parts A and B): * Male and female participants aged between 18-55 years inclusive, at the time of informed consent. * Participants must have FEV1 ≥80% predicted at screening and prior to randomization on Day -1 or Day 1 of treatment period 1 (using Global Lung Index, GLI 2012, predicted values). * Participant must have a body weight of at least 50.0 kg and BMI ≥ 18 and ≤ 32 kg/m2 at screening. * Participants must be in good health as determined by medical history, physical examination, vital signs, 12-lead ECG, spirometry and clinical laboratory assessments at the time of screening, as judged by the Investigator. Inclusion Criteria for IPF Participants (Part C) * Male and female participants aged \>40 years inclusive, at the time of informed consent. * Participants must have a confirmed diagnosis of IPF (IPF based on 2022 ATS/ERS/JRS/ALAT Guidelines) as confirmed by the Investigator based on chest High Resolution Computed Tomography Scan taken within 5 years of screening and, only if available, surgical lung biopsy) * Participants must be either: * Receiving a stable, well tolerated dose of Nintedanib for 3 months prior to screening for the treatment of IPF * OR * Receiving no current antifibrotic medication for the treatment of IPF. This includes those who have never received treatment and those who have stopped medication due to intolerance for any reason, except non-responsiveness, for at least 6 weeks prior to screening. * P…