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Arrowhead Pharmaceuticals is seeking an accomplished Senior Scientist, DMPK to play a key role in advancing our growing pipeline of RNAi-based therapeutics. As a senior member of the Drug Metabolism and Pharmacokinetics (DMPK) function, you will partner closely with multidisciplinary teams of chemists, biologists, and translational scientists to shape strategies that enable successful candidate nomination and IND submissions.
Job Responsibility:
Develop and implement in vitro and in vivo DMPK strategies to support preclinical development for compounds across multiple indications and routes of administration
Manage all DMPK activities, including oversight of internal resources and CRO partners to ensure high-quality and timely data delivery
Design, supervise, and execute preclinical PK studies, including non-compartmental analysis (NCA), data interpretation, reporting, and communication of PK/PD insights to project teams
Prepare and deliver IND-enabling DMPK packages, ensuring compliance with regulatory expectations and contributing to regulatory submissions
Apply working knowledge of GLP/GCP principles and ensure appropriate documentation for regulated studies
Support GLP toxicokinetic (TK) study design, analysis, and reporting
Oversee metabolite identification in preclinical and clinical samples using high-resolution mass spectrometry (HRMS)
Contribute to a dynamic, fast-paced DMPK team by offering scientific leadership, troubleshooting support, and cross-functional collaboration
Maintain a current understanding of clinical pharmacology literature and regulatory guidance for oligonucleotide/RNAi therapeutics
Requirements:
PhD in Pharmacometrics, Drug Metabolism, Pharmaceutical Sciences, or a related discipline with at least 3 years of industry experience
Deep and broad expertise in DMPK, with working knowledge of nucleotide or oligonucleotide drug metabolism and distribution highly desired
Hands-on experience with in vitro ADME assays, in vivo PK studies, drug–drug interaction (DDI) evaluations, and Phoenix WinNonlin
Experience with LC–MS/MS and HRMS, ideally applied to oligonucleotide therapeutics
Strong background in organic chemistry, biochemistry, and drug biotransformation
Demonstrated experience in drug development and understanding of regulatory processes
Excellent interpersonal, verbal, and written communication skills, with the ability to interpret and present complex scientific data clearly
What we offer:
competitive salaries and an excellent benefit package