Andrew Horne

Clinical expert in endometriosis and pelvic pain

About

Andrew Horne is a senior academic clinician–researcher in reproductive health based at the University of Edinburgh, leading the Centre for Reproductive Health while maintaining an active clinical practice. He specialises in endometriosis and clinical trial design, with a strong track record in grant funding, >250 peer-reviewed publications and international collaboration. He directs multidisciplinary research teams, supervises PhD students and contributes to national and international research assessments and funding panels.

Publications

Anti-Müllerian hormone decreased in women with superficial peritoneal endometriosis and associated with an elevated inflammatory profile
Reproduction and Fertility
2026
ESPriT1: the effectiveness of laparoscopic treatment of isolated superficial peritoneal endometriosis for managing chronic pelvic pain in women: a randomised controlled feasibility trial
Reproduction and Fertility
2026
Effectiveness of an anti-inflammatory diet intervention and cognitive behavioural therapy in endometriosis: protocol for a randomised controlled clinical trial
BMJ Open
2026
Risk factors and prediction models for pain after endometriosis-related surgery—what do we (not) know yet
Pain
2026
Building Bridges: Enhancing Diagnosis and Care for Endometriosis Across the Primary-Secondary Care Continuum
Women's Reproductive Health
2025
Author Reply
BJOG: An International Journal of Obstetrics & Gynaecology
2025
Linzagolix, with and without add-back therapy, in women with endometriosis-associated pain: results from EDELWEISS 6, a double-blind randomized extension and withdrawal study
Human Reproduction Open
2026
Endometriosis: new insights and opportunities for relief of symptoms
Biology of Reproduction
2025
Developing the FIGOIPPS “R U MOVVING SOMe ” classification system for female chronic pelvic pain
International Journal of Gynecology & Obstetrics
2025
Current Pathways of Care Continue to Fail Those With a Diagnosis of Endometriosis
BJOG: An International Journal of Obstetrics & Gynaecology
2025
Anti-Müllerian hormone is decreased in women with superficial peritoneal endometriosis and associated with an elevated inflammatory profile
Unknown Venue
2025
Predicting pain reduction following laparoscopic surgery for endometriosis: a retrospective cohort study using UK national and research databases
BMJ Open
2025
Perceived effectiveness of endometriosis therapies on fatigue: an international survey
Reproduction and Fertility
2025
Consensus on Symptom Selection for Endometriosis Questionnaires: A Modified e‐Delphi Study
BJOG: An International Journal of Obstetrics & Gynaecology
2025
Exploring pre-diagnosis hospital contacts in women with endometriosis using ICD-10: a Danish case–control study
Human Reproduction
2024
Dynamic roles of ILC3 in endometrial repair and regeneration
Discovery Immunology
2025
Symptom flares in women with chronic pelvic pain: Questionnaire study within a cohort study (translational research in pelvic pain ( TRiPP ))
BJOG: An International Journal of Obstetrics & Gynaecology
2024
Single-cell analysis identifies distinct macrophage phenotypes associated with prodisease and proresolving functions in the endometriotic niche
Proceedings of the National Academy of Sciences
2024
Endometriosis: recent advances that could accelerate diagnosis and improve care
Trends in Molecular Medicine
2024
Genome-wide association reveals a locus in neuregulin 3 associated with gabapentin efficacy in women with chronic pelvic pain
iScience
2024
Symptom flares: a clinically important but under-explored challenge for women with chronic pelvic pain
Unknown Venue
2024
Linzagolix therapy versus a placebo in patients with endometriosis-associated pain: a prospective, randomized, double-blind, Phase 3 study (EDELWEISS 3)
Human Reproduction
2024
Long acting progestogens versus combined oral contraceptive pill for preventing recurrence of endometriosis related pain: the PRE-EMPT pragmatic, parallel group, open label, randomised controlled trial
BMJ
2024
Microbiome: The impact of the microbiota–gut–brain axis on endometriosis-associated symptoms: mechanisms and opportunities for personalised management strategies
Reproduction and Fertility
2024
Endometriosis: time to think differently (and together)
British Journal of General Practice
2024
Endometriosis among African Women
Unknown Venue
2024
Time for global health policy and research leaders to prioritize endometriosis
Nature Communications
2023
Oral vinorelbine to treat women with ectopic pregnancy: a phase 1 clinical safety and tolerability study
Fertility and Sterility
2023
Global endometrial DNA methylation analysis reveals insights into mQTL regulation and associated endometriosis disease risk and endometrial function
Communications Biology
2023
Early (Days 1–4) post-treatment serum hCG level changes predict single-dose methotrexate treatment success in tubal ectopic pregnancy
Human Reproduction
2023
Subsequent pregnancy outcomes among women with tubal ectopic pregnancy treated with methotrexate
Reproduction and Fertility
2023
Comparing inpatient management of chronic pelvic pain flares before and after the COVID-19 pandemic
Reproduction and Fertility
2023
Gefitinib and methotrexate to resolve tubal ectopic pregnancy: the GEM3 RCT
Efficacy and Mechanism Evaluation
2023
Combination of gefitinib and methotrexate to treat tubal ectopic pregnancy (GEM3): a multicentre, randomised, double-blind, placebo-controlled trial
The Lancet
2023
Pathophysiology, diagnosis, and management of endometriosis
BMJ
2022
Endometriosis among African women
Reproduction and Fertility
2022
Impact of endometriosis on women’s life decisions and goal attainment: a cross-sectional survey of members of an online patient community
BMJ Open
2022
ESHRE guideline: endometriosis
Human Reproduction Open
2022
Endometriosis classification systems: an international survey to map current knowledge and uptake
Human Reproduction Open
2022
Dichloroacetate as a possible treatment for endometriosis-associated pain: a single-arm open-label exploratory clinical trial (EPiC)
Pilot and Feasibility Studies
2021
Lay awareness of USS to diagnose endometriosis remains low
BJOG: An International Journal of Obstetrics & Gynaecology
2021
An international terminology for endometriosis, 2021,
Human Reproduction Open
2021
Endometriosis classification, staging and reporting systems: a review on the road to a universally accepted endometriosis classification,
Human Reproduction Open
2021
Is There a Hidden Burden of Disease as a Result of Epigenetic Epithelial-to-Mesenchymal Transition Following Chlamydia trachomatis Genital Tract Infection?
The Journal of Infectious Diseases
2021
Bioluminescent imaging in induced mouse models of endometriosis reveals differences in four model variations
Disease Models & Mechanisms
2021
Letter to the Editor: Endometriosis and malignancy—The intriguing relationship
International Journal of Gynecology & Obstetrics
2021
Endometriosis: Etiology, pathobiology, and therapeutic prospects
Cell
2021
Development and Validation of Clinical Prediction Models for Surgical Success in Patients With Endometriosis: Protocol for a Mixed Methods Study
JMIR Research Protocols
2021
Macrophages inhibit and enhance endometriosis depending on their origin
Proceedings of the National Academy of Sciences
2021
An ultrasound study of the prevalence of endometriosis in women attending for early pregnancy assessment: a prospective observational study
Unknown Venue
2020
Gabapentin to reduce pain in women aged between 18 and 50 years with chronic pelvic pain: the GaPP2 RCT
Efficacy and Mechanism Evaluation
2020
Important concepts to consider in endometriosis surgical trials
BJOG: An International Journal of Obstetrics & Gynaecology
2020
Gabapentin for chronic pelvic pain in women (GaPP2): a multicentre, randomised, double-blind, placebo-controlled trial
The Lancet
2020
Re: Effect of progestogen for women with threatened miscarriage: a systematic review and meta‐analysis
BJOG: An International Journal of Obstetrics & Gynaecology
2020
Mifepristone and misoprostol versus misoprostol alone for the management of missed miscarriage (MifeMiso): a randomised, double-blind, placebo-controlled trial
The Lancet
2020
Development and Validation of Clinical Prediction Models for Surgical Success in Patients With Endometriosis: Protocol for a Mixed Methods Study (Preprint)
Unknown Venue
2020
Re: Effect of progestogen for women with threatened miscarriage: a systematic review and meta‐analysis. (First comment on BJOG-19-1550.R1)
Unknown Venue
2020
Endometriosis clinical guidance during the COVID-19 pandemic
Unknown Venue
2020
Self-management strategies to consider to combat endometriosis symptoms during the COVID-19 pandemic
Human Reproduction Open
2020
A two-arm parallel double-blind randomised controlled pilot trial of the efficacy of Omega-3 polyunsaturated fatty acids for the treatment of women with endometriosis-associated pain (PurFECT1)
PLOS ONE
2020
Repurposing dichloroacetate for the treatment of women with endometriosis
Proceedings of the National Academy of Sciences
2019
Informing women with endometriosis about ovarian cancer risk
The Lancet
2017
Top ten endometriosis research priorities in the UK and Ireland
The Lancet
2017
Molecular diagnostics and therapeutics for ectopic pregnancy
MHR: Basic science of reproductive medicine
2014
World Endometriosis Research Foundation Endometriosis Phenome and Biobanking Harmonisation Project: I. Surgical phenotype data collection in endometriosis research
Fertility and Sterility
2014
World Endometriosis Research Foundation Endometriosis Phenome and Biobanking Harmonisation Project: IV. Tissue collection, processing, and storage in endometriosis research
Fertility and Sterility
2014
World Endometriosis Research Foundation Endometriosis Phenome and biobanking harmonization project: II. Clinical and covariate phenotype data collection in endometriosis research
Fertility and Sterility
2014
World Endometriosis Research Foundation Endometriosis Phenome and Biobanking Harmonization Project: III. Fluid biospecimen collection, processing, and storage in endometriosis research
Fertility and Sterility
2014
Estrogen Receptor (ER) Agonists Differentially Regulate Neuroangiogenesis in Peritoneal Endometriosis via the Repellent Factor SLIT3
Endocrinology
2014
Elevated Peritoneal Expression and Estrogen Regulation of Nociceptive Ion Channels in Endometriosis
The Journal of Clinical Endocrinology & Metabolism
2014
Transforming Growth Factor-β Induced Warburg-Like Metabolic Reprogramming May Underpin the Development of Peritoneal Endometriosis
The Journal of Clinical Endocrinology & Metabolism
2014
A Novel Mouse Model of Endometriosis Mimics Human Phenotype and Reveals Insights into the Inflammatory Contribution of Shed Endometrium
The American Journal of Pathology
2014
Combination gefitinib and methotrexate treatment for non-tubal ectopic pregnancies: a case series
Human Reproduction
2014
Women's satisfaction and symptoms following NovaSure endometrial ablation: A postal questionnaire survey in Lothian, Scotland
Journal of Obstetrics and Gynaecology
2014
ESHRE guideline: management of women with endometriosis
Human Reproduction
2014
Clinical performance of RNA and DNA based HPV testing in a colposcopy setting: Influence of assay target, cut off and age
Journal of Clinical Virology
2014
Quantitative Serial MRI of the Treated Fibroid Uterus
PLoS ONE
2014
The Association between Smoking and Ectopic Pregnancy: Why Nicotine Is BAD for Your Fallopian Tube
PLoS ONE
2014
The Peritoneum Is Both a Source and Target of TGF-β in Women with Endometriosis
PLoS ONE
2014
Characterization of the Temporal and Spatial Expression of a Disintegrin and Metalloprotease 17 in the Human Endometrium and Fallopian Tube
Reproductive Sciences
2013
The role of leukemia inhibitory factor in tubal ectopic pregnancy
Placenta
2013
Combination Gefitinib and Methotrexate Compared With Methotrexate Alone to Treat Ectopic Pregnancy
Obstetrics & Gynecology
2013
Effects of Gefitinib, an Epidermal Growth Factor Receptor Inhibitor, on Human Placental Cell Growth
Obstetrics & Gynecology
2013
The significant effect of endometriosis on physical, mental and social wellbeing: results from an international cross-sectional survey
Human Reproduction
2013
The impact of endometriosis on quality of life in Hungary
Orvosi Hetilap
2013
The financial costs to patients of diagnosing and excluding ectopic pregnancy
Journal of Family Planning and Reproductive Health Care
2012
Targeted Nanoparticle Delivery of Doxorubicin Into Placental Tissues to Treat Ectopic Pregnancies
Endocrinology
2013
Maternal Serum Macrophage Inhibitory Cytokine-1 as a Biomarker for Ectopic Pregnancy in Women with a Pregnancy of Unknown Location
PLoS ONE
2013
Phase II single arm open label multicentre clinical trial to evaluate the efficacy and side effects of a combination of gefitinib and methotrexate to treat tubal ectopic pregnancies (GEM II): study protocol
BMJ Open
2013
Shotgun Proteomics Identifies Serum Fibronectin as a Candidate Diagnostic Biomarker for Inclusion in Future Multiplex Tests for Ectopic Pregnancy
PLoS ONE
2013
The impact of tubal ectopic pregnancy in Papua New Guinea – a retrospective case review
BMC Pregnancy and Childbirth
2013
The role of the peritoneum in the pathogenesis of endometriosis
Human Reproduction Update
2013
Using a decline in serum hCG between days 0–4 to predict ectopic pregnancy treatment success after single-dose methotrexate: a retrospective cohort study
BMC Pregnancy and Childbirth
2013
Ectopic Pregnancy
Clinical Chemistry
2012
The paracrinology of tubal ectopic pregnancy
Molecular and Cellular Endocrinology
2012
The burden of endometriosis: costs and quality of life of women with endometriosis and treated in referral centres
Human Reproduction
2012
A new age has come: the redefinition of women's health care
Journal of Family Planning and Reproductive Health Care
2012
Human Fallopian tube epithelium constitutively expresses integrin endometrial receptivity markers: no evidence for a tubal implantation window
Molecular Human Reproduction
2011
Wnt activation downregulates olfactomedin-1 in Fallopian tubal epithelial cells: a microenvironment predisposed to tubal ectopic pregnancy
Laboratory Investigation
2012
Pregnancy of unknown viability or location: less is more in the majority of cases
Journal of Family Planning and Reproductive Health Care
2011
Evaluation of ADAM-12 as a Diagnostic Biomarker of Ectopic Pregnancy in Women with a Pregnancy of Unknown Location
PLoS ONE
2012
GaPP: a pilot randomised controlled trial of the efficacy of action of gabapentin for the management of chronic pelvic pain in women: study protocol: Figure 1
BMJ Open
2012
Has increased clinical experience with methotrexate reduced the direct costs of medical management of ectopic pregnancy compared to surgery?
BMC Pregnancy and Childbirth
2012
Mechanisms of disease: the endocrinology of ectopic pregnancy
Expert Reviews in Molecular Medicine
2012
Ruptured heterotopic pregnancy: an unusual presentation of an uncommon clinical problem
BMJ Case Reports
2012
Surgical treatment of fibroids for subfertility
Cochrane Database of Systematic Reviews
2012
Diagnosis and management of ectopic pregnancy
Journal of Family Planning and Reproductive Health Care
2011
Laboratory models for studying ectopic pregnancy
Current Opinion in Obstetrics & Gynecology
2011
Normally rising hCG does not predict live birth in women presenting with pain and bleeding in early pregnancy
European Journal of Obstetrics & Gynecology and Reproductive Biology
2011
Lymphoid and myeloid cell populations in the non-pregnant human Fallopian tube and in ectopic pregnancy
Journal of Reproductive Immunology
2011
Attenuated Tubal and Endometrial Urocortin 1 and Corticotropin-Releasing Hormone Receptor Expression in Ectopic Pregnancy
Reproductive Sciences
2011
Immunity and vaccines against sexually transmitted Chlamydia trachomatis infection
Current Opinion in Infectious Diseases
2011
Chlamydia trachomatis Infection Increases Fallopian Tube PROKR2 via TLR2 and NFκB Activation Resulting in a Microenvironment Predisposed to Ectopic Pregnancy
The American Journal of Pathology
2011
Placental Growth Factor: A Promising Diagnostic Biomarker for Tubal Ectopic Pregnancy
The Journal of Clinical Endocrinology & Metabolism
2011
Ectopic Pregnancy as a Model to Identify Endometrial Genes and Signaling Pathways Important in Decidualization and Regulated by Local Trophoblast
PLoS ONE
2011
Endometriosis Cost Assessment (the EndoCost Study): A Cost-of-Illness Study Protocol
Gynecologic and Obstetric Investigation
2010
Expression of the repulsive SLIT/ROBO pathway in the human endometrium and Fallopian tube
Molecular Human Reproduction
2010
Cotinine Exposure Increases Fallopian Tube PROKR1 Expression via Nicotinic AChRα-7
The American Journal of Pathology
2010
Evidence of prokineticin dysregulation in fallopian tube from women with ectopic pregnancy
Fertility and Sterility
2010
Impact ofChlamydia trachomatisin the reproductive setting: British Fertility Society Guidelines for practice
Human Fertility
2010
The need for serum biomarker development for diagnosing and excluding tubal ectopic pregnancy
Acta Obstetricia et Gynecologica Scandinavica
2010
Economic evaluation of diagnosing and excluding ectopic pregnancy
Human Reproduction
2009
Current knowledge of the aetiology of human tubal ectopic pregnancy
Human Reproduction Update
2010
Attenuated Sex Steroid Receptor Expression in Fallopian Tube of Women with Ectopic Pregnancy
The Journal of Clinical Endocrinology & Metabolism
2009
Serum biomarkers of tubal ectopic pregnancy: current candidates and future possibilities
Reproduction
2009
Differential expression and regulation of nuclear oligomerization domain proteins NOD1 and NOD2 in human endometrium: a potential role in innate immune protection and menstruation
Molecular Human Reproduction
2009
Endometrial cysteine-rich secretory protein 3 is inhibited by human chorionic gonadotrophin, and is increased in the decidua of tubal ectopic pregnancy
Molecular Human Reproduction
2009
Expression of secretory leukocyte protease inhibitor and elafin in human fallopian tube and in an in-vitro model of Chlamydia trachomatis infection
Human Reproduction
2008
Altered secretory leukocyte protease inhibitor expression in the uterine decidua of tubal compared with intrauterine pregnancy
Human Reproduction
2008
Endometrial Inhibin/Activin β-B Subunit Expression Is Related to Decidualization and Is Reduced in Tubal Ectopic Pregnancy
The Journal of Clinical Endocrinology & Metabolism
2008
Innate immunity and disorders of the female reproductive tract
REPRODUCTION
2008
Management of vascular uterine lesions associated with persistent low-level human chorionic gonadotrophin
Journal of Family Planning and Reproductive Health Care
2008
CB1 Expression Is Attenuated in Fallopian Tube and Decidua of Women with Ectopic Pregnancy
PLoS ONE
2008
The Effect of Uterine Fibroids on Embryo Implantation
Seminars in Reproductive Medicine
2007
Are portable bladder scanning and real-time ultrasound accurate measures of bladder volume in postnatal women?
Journal of Obstetrics and Gynaecology
2007
The dilemma of future family planning and the role of female fertility tests
Journal of Family Planning and Reproductive Health Care
2006
Ovarian choriocarcinoma masquerading as ectopic pregnancy
Journal of Obstetrics and Gynaecology
2006
The effects of sex steroid hormones and interleukin-1-beta on MUC1 expression in endometrial epithelial cell lines
Reproduction
2006
Uterine torsion with placental abruption
Journal of Obstetrics and Gynaecology
2006
The expression pattern of MUC1 glycoforms and other biomarkers of endometrial receptivity in fertile and infertile women
Molecular Reproduction and Development
2005
Recurrent miscarriage
Journal of Family Planning and Reproductive Health Care
2005
Adhesion molecules and the normal endometrium
BJOG: An International Journal of Obstetrics & Gynaecology
2002
Analysis of Epitopes on Endometrial Epithelium by Scanning Immunoelectron Microscopy
Biochemical and Biophysical Research Communications
2002
MUC 1: a genetic susceptibility to infertility?
The Lancet
2001
The endometrium and embryo implantation
BMJ
2000

Experience

University of Edinburgh

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