BIOGRAPHY

Clare Barnett

Clare Barnett oversees the implementation of ZEG Berlin’s global study portfolio, bringing with her a decade of experience working in pharmacoepidemiology and drug safety.

As Director of Project Management and Chief Operating Officer at ZEG Berlin, Clare Barnett is responsible for overseeing the company’s research resources and ensuring that all projects are delivered within their scope with minimal risks. On a day-to-day basis, Clare collaborates closely with internal and external stakeholders to develop pharmacoepidemiology studies that meet the exact needs of ZEG Berlin’s clients.  She is passionate about global post-market safety and efficacy studies and leads several initiatives focused on innovating ZEG Berlin’s work processes and expanding the service offering.

Clare Barnett is a medical doctor (M.B.B.S (Hons)) with a Master degree in Public Health (MPH) from the Harvard T.H. Chan School of Public Health.  In addition, she has obtained post-graduate certification in Pharmacovigilance and Pharmacoepidemiology. She has previously worked as a General Practitioner and Medical Officer for the Australian competent authority (Therapeutic Goods Administration) gaining experience in both medical device applications and prescription medications. As a clinician and researcher, Clare is interested in women’s health and complex medical diseases and their impact on quality of life, particularly during a woman’s fertile years. She continues to publish and present extensively.

PUBLICATIONS

2025
Real-world use of antispasmodic drugs during IUD insertion – insights from the large observational study EURAS-LCS12 Lisa Eggebrecht, Rizzo Manuel, Klinghardt Moritz, Boehnke Tanja, Clare Barnett, Klaas Heinemann 2025 Contraception & Reproductive Health Care . 2025; 10.1080/13625187.2025.2480086. → DOI
Contraception
Use of oral medications prior to IUD insertion – Trends and associations of patient characteristics in a large observational study in Europe (EURAS-LCS12) Klinghardt Moritz, Rizzo Manuel, Boehnke Tanja, Clare Barnett, Klaas Heinemann, Lisa Eggebrecht 2025 Eur J Obstet Gynecol Reprod Biol.. 2025; 10.1016/j.ejogrb.2025.114789. → DOI
Contraception
2024
Effectiveness of the etonogestrel subdermal implant in users with overweight and obesity: a systematic literature review Goto Daisuke, Grunden John W, Klinghardt Moritz, Perez Patel Vanessa, von Stockum Sophia, Clare Barnett, Bitzer Johannes 2024 BMJ Sexual & Reproductive Health. 2024; 0.1136/bmjsrh-2024-202424. → DOI
Contraception
2022
Thromboembolic safety of norethisterone vs levonorgestrel in combined oral contraceptive users: a pooled analysis of 4 large prospective cohort studies Clare Barnett, Bauerfeind Anja, von Stockum Sophia, Klaas Heinemann 2022 AJOG Global Report. 2022; 10.1016/j.xagr.2021.100041. → DOI
Contraception
2021
Thromboembolic safety profile of low-dose estradiol (valerate) in combined hormonal preparations: Implications for the development of new hormonal endometriosis and uterine fibroid therapies Clare Barnett, Bauerfeind Anja, von Stockum Sophia, Klaas Heinemann 2021 Journal of Endometriosis and Pelvic Pain Disorders. 2021; 1 – 10. 10.1177/22840265211019546. → DOI
Endometriosis
2019
Unintended pregnancy rates differ according to combined oral contraceptive – results from the INAS-SCORE study Clare Barnett, Dinger Jürgen, Do Minh Thai, Klaas Heinemann 2019 Contraception & Reproductive Health Care. 2019; 1-4. 10.1080/13625187.2019.1629412. → DOI
Contraception
2018
Perforation risk and intra-uterine devices: results of the EURAS-IUD 5-year extension study Clare Barnett, Moehner Sabine, Do Minh Thai, Klaas Heinemann 2018 The European Journal of Contraception and Reproductive Health Care. 2018; page 1-5. → DOI
Contraception
2017
IUD use among parous women and risk of uterine perforation: a secondary analysis Klaas Heinemann, Clare Barnett, Reed Suzanne, Moehner Sabine, Do Minh Thai 2017 Contraception. 2017; Volume 95, Issue 6, Pages 605–607. → DOI
Contraception
2016
Fertility and combined oral contraceptives – unintended pregnancies and planned pregnancies following oral contraceptive use – results from the INAS-SCORE study Clare Barnett, Hagemann Christine, Dinger Jürgen, Do Minh Thai, Klaas Heinemann 2016 Eur J Contracept Reprod health Care. 2016; Oct 17:1-7. 10.1080/13625187.2016.1241991. → DOI
Contraception
Influence of age and BMI on risk of venous thromboembolism: a meta-analysis of 246,513 women using combined oral contraceptives based on 521,516 women-years. Clare Barnett, Bauerfeind Anja, Do Minh Thai, Klaas Heinemann 2016 Pharmacoepidemiology and Drug Safety. 2016; Aug;25:(S3):3-680. 10.1002/pds.4070. → DOI
Contraception

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