• Find an Expert
  • Contact
  • SearchSearch icon
  • Menu
  • Help
  • Report an issue

Contact


Email

j.zajac@unimelb.edu.au

Credentials


Position
Honorary (Professorial Fellow)
Department of Medicine
Education
PhD
University of Melbourne
Bachelors Degree
University of Melbourne
ORCID

0000-0003-3933-5708

Prof Jeffrey Zajac

Honorary (Professorial Fellow)
Department of Medicine

403 Scholarly works
28 Projects

HIGHLIGHTS

  • 2026

    Journal article

    Tolvaptan vs Fluid Restriction in Moderate-Profound Hyponatremia: An Open-Label Randomized Clinical Trial
    DOI: 10.1210/clinem/dgaf428
  • 2026

    Journal article

    Response to Letter to the Editor From Sumi and Tominaga: “Tolvaptan vs Fluid Restriction in Moderate-Profound Hyponatremia: An Open-Label Randomized Clinical Trial”
    DOI: 10.1210/clinem/dgaf538
  • 2025

    Journal article

    Flash glucose monitoring for Indigenous Australians with type 2 diabetes: a randomised pilot and feasibility study
    DOI: 10.1186/s40814-025-01607-7
  • 2025

    Journal article

    Effect of Spironolactone and Cyproterone Acetate on Breast Growth in Transgender People: A Randomized Clinical Trial
    DOI: 10.1210/clinem/dgae650
  • 2024

    Research grants (ARC, NHMRC, MRFF)

    How Age & Sex Impact the Transcriptional Control of Mammalian Muscle Growth
  • 2016

    Internal Research Grant

    Skyscan 1272 High-Resolution Desk-Top X-Ray Microtomograph
  • 2016

    Research Grant

    Understanding and Preventing Avoidable Re-Admissions: Development of a Patient Centered and Disease Specific Screening Tool
Jeffrey Zajac

Latest Honours,
Awards and Fellowships


2020
2015
Life Member Endocrine Society of Australia
1984
Fellow of the Royal Australasian College of Physicians (FRACP)

RECENT SCHOLARLY WORKS

  • 2025

    Journal article

    Response to Letter to the Editor From Lin et al: “Testosterone Treatment, Weight Loss, and Health-Related Quality of Life and Psychosocial Function in Men: A 2-Year Randomized Controlled Trial”
    DOI: 10.1210/clinem/dgaf067
  • 2024

    Journal article

    Estradiol increases cortical and trabecular bone accrual and bone strength in an adolescent male-to-female mouse model of gender-affirming hormone therapy
    DOI: 10.1038/s41413-023-00308-2
  • 2024

    Journal article

    Gender affirmation testosterone therapy, Australia, 2021-22: a review of PBS dispensing data
    DOI: 10.5694/mja2.52415
  • 2024

    Journal article

    Impact of Distinct Antiandrogen Exposures on the Plasma Metabolome in Feminizing Gender-affirming Hormone Therapy
    DOI: 10.1210/clinem/dgae226
  • 2024

    Journal article

    Denosumab Prevents Bone Loss and Microarchitectural Deterioration in Premenopausal Women with Breast Cancer Receiving Estradiol Suppression Therapy: A Randomized Controlled Trial
    DOI: 10.1200/JCO.23.02309
  • 2024

    Journal article

    SUN-501 Short-Term Effects of Testosterone Therapy on Quality of Life in Trans Individuals Seeking Masculinisation: A Prespecified Secondary Analysis of a Randomised Clinical Trial
    DOI: 10.1210/jendso/bvae163.2432

RECENT PROJECTS

  • 2026

    Research contracts (non-grants)

    Characterising the Plasma Proteome of Polymyalgia Rheumatica
  • 2016

    Research Grant

    Biological Actions of Estradiol in Men

We acknowledge and pay respect to the Traditional Owners of the lands upon which our campuses are situated

Read about our commitment to reconciliation  

About us  

Careers at Melbourne  

Safety and respect  

Newsroom  

Contact  

Phone: 13 MELB ( 13 6352)

International: +61 3 9035 5511


Address:
The University of Melbourne
Grattan Street, Parkville,
Victoria, 3010, Australia


View all Campus locations  
facebookIconlinkedinIconinstagramIcontwitterIcon

Emergency information  |  Disclaimer and copyright  |  Accessibility  |  Privacy  |  VaxFACTS

CRICOS number: 00116K     ABN: 84 002 705 224