Polycystic Ovary Syndrome
Recent clinical, regulatory, research and industry developments relating to this disease.
Incretins (GLP-1 Receptor Agonists) and Polycystic Ovaries.
Gut microbiota: a hidden player in polycystic ovary syndrome.
Physiopathology of polycystic ovary syndrome in endocrinology, metabolism and inflammation.
What's happening now
An analyst briefing on current research, clinical, regulatory and industry activity surrounding this disease.
- 5 clinical trials expected to report results, the earliest in Q2 2027.
- Active recent publication activity, including 2 notable findings.
- Q2 2027A Preliminary Study to Explore the Efficacy of a GLP-1/FGF21 Dual Agonist (HEC88473) in Patients With Polycystic Ovary Syndrome (PCOS)
- Q3 2027Interest of Myo-inositol Supplementation in Women With Polycystic Ovarian Syndrome During Induction of Ovulation With Clomiphene Citrate
- Q1 2028Role of Semaglutide in Restoring Ovulation in Youth and Adults With Polycystic Ovary Syndrome
- Q2 2028Resistant Starch Usage in Polycystic Ovary Syndrome: Impact on Cardiometabolic Dysfunction and the Gut Microbiome (CORS-PCOS)
- Q4 2028A Clinical Trial of Tirzepatide (LY3298176) in Subjects With Overweight or Obesity and PCOS-related Ovarian Dysfunction
Research HighlightsViewHide
- 2026-05-12Polyendocrine metabolic ovarian syndrome, the new name for polycystic ovary syndrome: a multistep global consensus process.Teede HJ · 2026
- 2026-01-12A Systematic Review on GLP-1 Receptor Agonists in Reproductive Health: Integrating IVF Data, Ovarian Physiology and Molecular Mechanisms.Voros C · 2026
- 2025-12-10Incretins (GLP-1 Receptor Agonists) and Polycystic Ovaries.Piazza MJ · 2025
Clinical MilestonesView all 9Hide
- 2026-06-01Resistant Starch Usage in Polycystic Ovary Syndrome: Impact on Cardiometabolic Dysfunction and the Gut Microbiome (CORS-PCOS)Results expected Q2 2028
- 2026-05-29A Preliminary Study to Explore the Efficacy of a GLP-1/FGF21 Dual Agonist (HEC88473) in Patients With Polycystic Ovary Syndrome (PCOS)Results expected Q2 2027
- 2026-04-22Interest of Myo-inositol Supplementation in Women With Polycystic Ovarian Syndrome During Induction of Ovulation With Clomiphene CitrateResults expected Q3 2027
- 2026-01-08A Clinical Trial of Tirzepatide (LY3298176) in Subjects With Overweight or Obesity and PCOS-related Ovarian DysfunctionResults expected Q4 2028
- 2025-08-28Role of Semaglutide in Restoring Ovulation in Youth and Adults With Polycystic Ovary SyndromeResults expected Q1 2028
- 2026-05-11Efficacy of Inositol in Managing Subfertility in Letrozole-resistant Polycystic Ovary Syndrome WomenCompleted
- 2026-02-01The Combined Effect of N-Acetyl Cysteine and Metformin in Polycystic Ovary Syndrome PatientsPrimary completion
- 2025-10-25Impact of Myo-Inositol vs Combined Myo-Inositol and Metformin Therapy on Conception Rates, Treatment Adherence, and Tolerability in Overweight Women Diagnosed With PCOS: A Randomized Controlled StudyCompleted
- 2025-08-22Does Vaginal Delivery of Combined Hormonal Contraception Affect the Risk of Metabolic Syndrome in Overweight/Obese Women With PCOSCompleted
- 2026-06-01ClinicalResistant Starch Usage in Polycystic Ovary Syndrome: Impact on Cardiometabolic Dysfunction and the Gut Microbiome (CORS-PCOS)Results expected Q2 2028
- 2026-05-29ClinicalA Preliminary Study to Explore the Efficacy of a GLP-1/FGF21 Dual Agonist (HEC88473) in Patients With Polycystic Ovary Syndrome (PCOS)Results expected Q2 2027
- 2026-05-12ResearchPolyendocrine metabolic ovarian syndrome, the new name for polycystic ovary syndrome: a multistep global consensus process.Teede HJ · 2026
- 2026-05-11ClinicalEfficacy of Inositol in Managing Subfertility in Letrozole-resistant Polycystic Ovary Syndrome WomenCompleted
- 2026-04-22ClinicalInterest of Myo-inositol Supplementation in Women With Polycystic Ovarian Syndrome During Induction of Ovulation With Clomiphene CitrateResults expected Q3 2027
- 2026-02-01ClinicalThe Combined Effect of N-Acetyl Cysteine and Metformin in Polycystic Ovary Syndrome PatientsPrimary completion
- 2026-01-12ResearchA Systematic Review on GLP-1 Receptor Agonists in Reproductive Health: Integrating IVF Data, Ovarian Physiology and Molecular Mechanisms.Voros C · 2026
- 2026-01-08ClinicalA Clinical Trial of Tirzepatide (LY3298176) in Subjects With Overweight or Obesity and PCOS-related Ovarian DysfunctionResults expected Q4 2028
- 2025-12-10ResearchIncretins (GLP-1 Receptor Agonists) and Polycystic Ovaries.Piazza MJ · 2025
- 2025-10-25ClinicalImpact of Myo-Inositol vs Combined Myo-Inositol and Metformin Therapy on Conception Rates, Treatment Adherence, and Tolerability in Overweight Women Diagnosed With PCOS: A Randomized Controlled StudyCompleted
Research-associated treatments
Drugs and agents co-studied with this disease across the research literature — associative, not necessarily established treatments. Number shows shared papers.
Clinical trials
The current development programme across all trial phases.
Research activity
Key research shaping understanding of this disease, combining the latest publications with the most influential evidence.
Major themes8
- Polycystic Ovary Syndrome36
- Insulin Resistance10
- Hyperandrogenism5
- Glucagon-Like Peptide-1 Receptor Agonists4
- Diabetes Mellitus, Type 23
- Gastrointestinal Microbiome3
- Body Mass Index2
- Fertilization in Vitro2
Leading journals6
- The Journal of clinical endocrinology and metabolism5
- Frontiers in endocrinology4
- International journal of molecular sciences4
- Clinical endocrinology3
- Journal of ovarian research3
- Nutrients3
Leading researchers8
- Dokras A5
- Norman RJ5
- Costello MF4
- Piltonen T4
- Teede HJ4
- Wang Y4
- Chen Y3
- Laven J3
Affiliations (unnormalised)6
- University of Pennsylvania5
- Monash Centre for Health Research and Implementation4
- Robinson Research Institute4
- Erasmus Medical Centre3
- Erasmus University Medical Centre2
- Medical Research Centre2
Disease biology
Key proteins & gene products studied in this disease. Number shows shared papers.
Related conditions
Diseases frequently studied alongside this one. Number shows shared papers.
Disease profile
A grounded synthesis of the condition — overview, causes, mechanism, risk factors and current standard of care.
Polycystic ovary syndrome is a complex reproductive endocrine disorder characterized by infertility, hirsutism, obesity, and menstrual disturbances such as oligomenorrhea, amenorrhea, and anovulation. It is usually associated with bilaterally enlarged ovaries containing many atretic follicles rather than true cysts, so the term "polycystic ovary" is misleading. The literature also describes it as a heterogeneous condition with reproductive, metabolic, and psychological manifestations.
The grounding supports a multifactorial etiology rather than a single cause. Literature reviewed here links PCOS to dysregulation of androgen secretion, functional ovarian hyperandrogenism, obesity-related effects, and broader influences from genotype, ethnicity, environmental factors, and lifestyle. The evidence also includes associations with insulin resistance and metabolic disturbance, but does not support a single definitive cause.
PCOS is described as a predominantly hyperandrogenic syndrome with disrupted ovarian steroid secretion and impaired ovulation. Review material supports functional ovarian hyperandrogenism in many cases, with elevated androgen production and altered gonadotropin responsiveness, alongside insulin resistance and metabolic dysregulation. The literature also connects the syndrome with changes in body mass index, cytokines, sex hormone-binding globulin, anti-Mullerian hormone, and possibly the gastrointestinal microbiome.
The supplied literature identifies obesity and higher bodyweight as important factors associated with PCOS phenotype and severity. It also notes that phenotype varies with lifestyle, genotype, ethnicity, and environmental factors. Insulin resistance and obesity-induced insulin resistance are repeatedly linked with the syndrome and its metabolic manifestations.
Guideline abstracts indicate that diagnosis is generally based on Rotterdam criteria, with recognition of PCOS as a heterogeneous disorder. Treatment is described at the level of broad modalities including therapy and drug therapy, with metformin appearing among the co-studied agents and suggesting use of insulin-sensitizing treatment in the literature. The grounding does not provide enough detail to specify additional standard treatment classes beyond general management of reproductive and metabolic manifestations.
AI-generated summary grounded in MeSH and 6 peer-reviewed sources. Informational only — not medical advice. Generated 2026-07-07.
Reference
Authoritative identity, definition & identifiers.
A complex disorder characterized by infertility, HIRSUTISM; OBESITY; and various menstrual disturbances such as OLIGOMENORRHEA; AMENORRHEA; ANOVULATION. Polycystic ovary syndrome is usually associated with bilateral enlarged ovaries studded with atretic follicles, not with cysts. The term, polycystic ovary, is misleading.
- Disease identity & definition — NLM Medical Subject Headings (MeSH), public domain
- Clinical trials — ClinicalTrials.gov (U.S. National Library of Medicine)
- Research activity — Europe PMC (EMBL-EBI) + OpenAlex-derived paper links
- Related entities are derived from literature co-mention (studied together) — associative, not causal.