Research across borders

Worldwide Study Finder

Where are peptides being studied? Explore registered human studies by product, phase, condition and location — from early development through Phase 4, alongside studies where phase does not apply.

Searchable results come from ClinicalTrials.gov and include international sites. For broader coverage, use the worldwide and regional registries below. No single registry captures every study.

Find studies Explore world registries Peptide directory

Find a study

Enter a peptide, product, condition or location. Try generic names, brand names and development codes separately. Results are registry search matches, not automatically verified links to a WPF peptide record.

Search terms are sent to ClinicalTrials.gov and appear in the page URL. Do not enter personal or medical identifying information. Registry records are served with up to a one-hour cache; registry updates themselves can lag real-world changes.

Registry search results

Matching records; showing 20 on this page, newest registry updates first. Search checked 2026-11-08 18:08 UTC. Counts are registry matches, not unique peptides or a worldwide total.

Phase not reported / not applicableCompletedOBSERVATIONAL

Retrospective Study of High Dose Follitropin Delta in a Mixed Protocol With Human Chorionic Gonadotropin

ClinicalTrials.gov · NCT05873725 · Registry updated: 2025-12-09

Condition / research focus: IVF; Infertility
Sponsor: Clinique Ovo
Countries with listed sites: Canada
Registry dates and results: Start: 2023-05-20. Completion: 2024-03-19 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Follitropin delta (drug)

Where the study takes place — 1 listed sites

Site status can differ from overall study status. This list includes all reported sites, even when your search specifies one location. Confirm availability and eligibility with the study team through the original record.

Clinique Ovo
Montreal, Quebec, Canada
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Transfer of Frozen Embryos in Natural Cycle: Evaluation of Impact of Spontaneous Versus HCG-triggered Ovulation on Pregnancy Rate

ClinicalTrials.gov · NCT03428165 · Registry updated: 2025-12-04

Condition / research focus: in Vitro Fertilization
Sponsor: Centre Hospitalier Universitaire de Nīmes
Countries with listed sites: France
Registry dates and results: Start: 2018-03-07. Completion: 2022-02-01 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

HCG (other)

Where the study takes place — 2 listed sites

CHU Arnaud de Villeneuve
Montpellier, France
Site recruitment: Not reported
CHU Nimes
Nîmes, France
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Early Phase 1RecruitingINTERVENTIONAL

Bone Marrow Derived Stem Cells Mobilization for Treatment of Abnormal Endometrium

ClinicalTrials.gov · NCT05343572 · Registry updated: 2025-11-12

Condition / research focus: Asherman Syndrome; Atrophic Endometrium; Recurrent Implantation Failure
Sponsor: Hugh Taylor
Countries with listed sites: United States
Registry dates and results: Start: 2023-11-01. Completion: 2027-12 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Plerixafor (drug)

Where the study takes place — 1 listed sites

Yale Fertility Center
Orange, Connecticut, United States
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Not applicableRecruitingINTERVENTIONAL

Letrozole-stimulated Cycle Strategy Versus Artificial Cycle Strategy (LETSACT)

ClinicalTrials.gov · NCT06372119 · Registry updated: 2025-09-25

Condition / research focus: Embryo Transfer; Irregular Menstruation; Letrozole; Hormone Replacement Therapy
Sponsor: Mỹ Đức Hospital
Countries with listed sites: Vietnam
Registry dates and results: Start: 2024-04-22. Completion: 2026-04 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Letrozole-stimulated cycle strategy (procedure) — also listed as: LETS
Artificial cycle strategy (procedure) — also listed as: AC

Where the study takes place — 2 listed sites

My Duc Hospital
Ho Chi Minh City, Ho Chi Minh City, Vietnam
Site recruitment: Recruiting
My Duc Phu Nhuan Hospital
Ho Chi Minh City, Ho Chi Minh City, Vietnam
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase 4CompletedINTERVENTIONAL

Effects of Intrauterine Flushing With Human Chorionic Gonadotropin on ICSI Outcome

ClinicalTrials.gov · NCT06684951 · Registry updated: 2025-09-19

Condition / research focus: Female Infertility
Sponsor: Omayma Ismail Khalaf
Countries with listed sites: Iraq
Registry dates and results: Start: 2022-10-23. Completion: 2024-04-30 (may be estimated). Results are posted in this registry.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

hCG (drug)

Where the study takes place — 1 listed sites

High Institute for Infertility Diagnosis and Assisted Reproductive Technology
Baghdad, Iraq
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 3CompletedINTERVENTIONAL

Oxytocin Versus Human Chorionic Gonadotropin as Trigger in Ovulation Induction

ClinicalTrials.gov · NCT06725004 · Registry updated: 2025-08-29

Condition / research focus: Ovulation Induction; Polycystic Ovary Syndrome
Sponsor: Shakeela Ishrat
Countries with listed sites: Bangladesh
Registry dates and results: Start: 2023-01-01. Completion: 2024-06-30 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Oxytocin (drug)
Human Chorionic Gonadotropin (drug)

Where the study takes place — 1 listed sites

Bangabandhu Sheikh Mujib Medical University
Dhaka, Dhaka Division, Bangladesh
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableRecruitingINTERVENTIONAL

Extra Luteinizing Hormone Improve Embryo Quality in IVF Patients With Low LH During Long GnRH-Agonist Treatment

ClinicalTrials.gov · NCT07128394 · Registry updated: 2025-08-19

Condition / research focus: Infertility, Female; Luteinizing Hormone (LH)
Sponsor: Nanjing University
Countries with listed sites: China
Registry dates and results: Start: 2024-02-01. Completion: 2026-11-30 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Recombinant Luteinizing Hormone (rLH) (drug) — also listed as: lutropin alfa, Luveris
Recombinant Follicle-Stimulating Hormone (rFSH) (drug) — also listed as: follitropin alfa, Gonal-F
Gonadotropin-Releasing Hormone Agonist (GnRH-a) (drug) — also listed as: triptorelin, Diphereline

Where the study takes place — 1 listed sites

Nanjing Drum Tower Hospital, Nanjing University Medical School
Nanjing, Jiangsu, China
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase 4RecruitingINTERVENTIONAL

Is There a Need for Luteal Support in Modified Natural Cycle Frozen Embryo Transfer Cycles

ClinicalTrials.gov · NCT06875752 · Registry updated: 2025-07-25

Condition / research focus: Luteal Support; Frozen Embryo Transfer (FET)
Sponsor: Dunamenti REK Istenhegyi IVF Center
Countries with listed sites: Hungary
Registry dates and results: Start: 2025-04-12. Completion: 2026-12-01 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

no luteal support (drug)
Vaginal Progesterone (drug)
Progesterone plus HCG (drug) — also listed as: Utrogestan

Where the study takes place — 5 listed sites

Dunamenti REK Istenhegyi IVF Center
Budapest, Budapest, Hungary
Site recruitment: Recruiting
Dunamenti REK Gyor IVF Center
Győr, Gyor, Hungary
Site recruitment: Recruiting
University of Pecs, Dept. OBGYN, Reproductive Center
Pécs, Pecs, Hungary
Site recruitment: Recruiting
University of Szeged, Reproductive Medicine Institute
Szeged, Szeged, Hungary
Site recruitment: Recruiting
Dunamenti REK Tapolca IVF Center
Tapolca, Tapolca, Hungary
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase not reported / not applicableRecruitingOBSERVATIONAL

Does Recombinant FSH (rFSH, i.g. Gonal F®) as Compared to Human Menopausal Gonadotrophin (hMG) Affect Telomere Length of Cumulus Cells During Antral Follicle Growth and Impact Blastocyst Status?

ClinicalTrials.gov · NCT06732843 · Registry updated: 2025-07-25

Condition / research focus: OVARIAN STIMULATION; Telomere Length; Telomere Length, Mean Leukocyte
Sponsor: ART Fertility Clinics LLC
Countries with listed sites: United Arab Emirates
Registry dates and results: Start: 2025-07-23. Completion: 2027-07-31 (may be estimated). No results posted in this registry response.

Products and interventions (0)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Where the study takes place — 1 listed sites

ART Fertility Clinics
Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase 3Active, not recruitingINTERVENTIONAL

Natural Versus Programmed Frozen Embryo Transfer (NatPro)

ClinicalTrials.gov · NCT04551807 · Registry updated: 2025-05-16

Condition / research focus: Pregnancy Related; Pre-Eclampsia
Sponsor: JHSPH Center for Clinical Trials
Countries with listed sites: United States
Registry dates and results: Start: 2020-09-16. Completion: 2026-04-01 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Modified natural cycle (procedure)
Programmed cycle (procedure)

Where the study takes place — 15 listed sites

University of California San Francisco
San Francisco, California, United States
Site recruitment: Not reported
Stanford University
Sunnyvale, California, United States
Site recruitment: Not reported
Yale
Orange, Connecticut, United States
Site recruitment: Not reported
Fertility Institute of Hawaii
Honolulu, Hawaii, United States
Site recruitment: Not reported
Northwestern University
Chicago, Illinois, United States
Site recruitment: Not reported
Johns Hopkins
Baltimore, Maryland, United States
Site recruitment: Not reported
Shady Grove Fertility
Rockville, Maryland, United States
Site recruitment: Not reported
Boston IVF
Waltham, Massachusetts, United States
Site recruitment: Not reported
University of Rochester
Rochester, New York, United States
Site recruitment: Not reported
Atrium Health
Charlotte, North Carolina, United States
Site recruitment: Not reported
Cleveland Clinic Foundation
Beachwood, Ohio, United States
Site recruitment: Not reported
University of Oklahoma
Oklahoma City, Oklahoma, United States
Site recruitment: Not reported
University of Pennsylvania
Philadelphia, Pennsylvania, United States
Site recruitment: Not reported
CARE Fertility
Bedford, Texas, United States
Site recruitment: Not reported
West Virginia University Center for Reproductive Medicine
Morgantown, West Virginia, United States
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase not reported / not applicableActive, not recruitingOBSERVATIONAL

Sleep Quality and the Menstrual Cycle

ClinicalTrials.gov · NCT06906133 · Registry updated: 2025-04-06

Condition / research focus: Sleep Quality
Sponsor: University of Akureyri
Countries with listed sites: Iceland
Registry dates and results: Start: 2025-03-01. Completion: 2026-08-31 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Urinary-hCG (other)

Where the study takes place — 2 listed sites

Akureyri Hospital
Akureyri, Iceland
Site recruitment: Not reported
University of Akureyri
Akureyri, Iceland
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 2RecruitingINTERVENTIONAL

Efficacy of Human Chorionic Gonadotropin in Acute GVHD Treatment

ClinicalTrials.gov · NCT06904599 · Registry updated: 2025-04-03

Condition / research focus: Acute Graft Versus Host Disease
Sponsor: Hospital Universitario Dr. Jose E. Gonzalez
Countries with listed sites: Mexico
Registry dates and results: Start: 2025-02-01. Completion: 2026-01-31 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Human chorionic gonadotropin (hCG) (drug)
Prednisone (drug)
Dexamethasone (drug)

Where the study takes place — 1 listed sites

Universidad Autónoma de Nuevo León
Monterrey, Nuevo León, Mexico
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase 4RecruitingINTERVENTIONAL

Impact of the Presence of the Corpus Luteum on Pregnancies Obtained Through Frozen Embryo Transfer(FET)

ClinicalTrials.gov · NCT06896617 · Registry updated: 2025-04-02

Condition / research focus: Infertilities; Embryo Transfer
Sponsor: Fundacion Clinic per a la Recerca Biomédica
Countries with listed sites: Spain
Registry dates and results: Start: 2025-02-01. Completion: 2026-12-20 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Estradiol + Progesterone (drug)
Ovitrelle ( Hcg 250 mcg) (drug)

Where the study takes place — 1 listed sites

Laura Burunat
Barcelona, Spain, Spain
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Hormone Evaluation in Artificial Reproductive Technology

ClinicalTrials.gov · NCT03737253 · Registry updated: 2025-03-17

Condition / research focus: Female Infertility
Sponsor: Lund University
Countries with listed sites: Poland · Sweden
Registry dates and results: Start: 2016-09. Completion: 2024-10-02 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Follitropin alpha (drug) — also listed as: Gonal F, Puregon, Urofollitropin
Menotropin (drug) — also listed as: Menopur

Where the study takes place — 2 listed sites

Poznan University of Medical Sciences
Poznan, Poland
Site recruitment: Not reported
Reproductive Medicine Center
Malmö, Sweden
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 1Not yet recruitingINTERVENTIONAL

The Study of Human Chorionic Gonadotropin (HCG) Activating the Dormant Follicles .

ClinicalTrials.gov · NCT06754332 · Registry updated: 2025-03-12

Condition / research focus: Premature Ovarian Insufficiency
Sponsor: The Fourth Affiliated Hospital of Zhejiang University School of Medicine
Countries with listed sites: No country reported
Registry dates and results: Start: 2025-04-01. Completion: 2029-08-31 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

human chorionic gonadotropin (drug) — also listed as: HCG

Where the study takes place — 0 listed sites

The registry does not list facilities in this record. This does not mean the study has no sites.

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Follicular Long GnRH Agonist Versus Antagonist Protocol in PCOS Women Undergoing in Vitro Fertilization

ClinicalTrials.gov · NCT02496754 · Registry updated: 2025-03-05

Condition / research focus: Clinical Pregnancy Rate; Ovulation Induction; IVF
Sponsor: The First Affiliated Hospital of Zhengzhou University
Countries with listed sites: China
Registry dates and results: Start: 2016-06. Completion: 2024-12 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

GnRH-a (drug)
GnRH-anta (drug)

Where the study takes place — 1 listed sites

Reproductive Medical Center, 1st Affiliated Hospital of Zhengzhou University
Zhengzhou, Henan, China
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase not reported / not applicableNot yet recruitingOBSERVATIONAL

CircularRNA-microRNA-mRNA Regulatory Axis in IVF

ClinicalTrials.gov · NCT06792266 · Registry updated: 2025-03-05

Condition / research focus: Infertility (IVF Patients)
Sponsor: Assiut University
Countries with listed sites: Egypt
Registry dates and results: Start: 2025-03. Completion: 2027-09-01 (may be estimated). No results posted in this registry response.

Products and interventions (0)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Where the study takes place — 1 listed sites

Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Assuit University, Assuit, Egypt.
Asyut, Egypt
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Early Phase 1CompletedINTERVENTIONAL

Comparison Elagolix vs Depot Leuprolide Prior to Frozen Embryo Transfers in Patients With Endometriosis

ClinicalTrials.gov · NCT04445025 · Registry updated: 2025-02-20

Condition / research focus: Infertility; Endometriosis
Sponsor: Colorado Center for Reproductive Medicine
Countries with listed sites: United States
Registry dates and results: Start: 2020-09-01. Completion: 2024-12-30 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Elagolix 200 MG (drug)
Leuprolide Acetate 3.75 MG/ML (drug)
Lab work (diagnostic_test)

Where the study takes place — 1 listed sites

Colorado Center for Reproductive Medicine
Lone Tree, Colorado, United States
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 4CompletedINTERVENTIONAL

Cost-effective Treatment of Unexplained Infertility

ClinicalTrials.gov · NCT06178523 · Registry updated: 2025-02-13

Condition / research focus: Unexplained Infertility
Sponsor: Batterjee Medical College
Countries with listed sites: Saudi Arabia
Registry dates and results: Start: 2024-01-01. Completion: 2024-12-31 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Clomiphene Citrate. (drug) — also listed as: Clomid®
Sildenafil Citrate (drug) — also listed as: Viagra®
Intrauterine Insemination (procedure) — also listed as: IUI

Where the study takes place — 1 listed sites

Batterjee Medical College
Jeddah, Mecca Region, Saudi Arabia
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 1RecruitingINTERVENTIONAL

A Comparing Study Between SJ04 and Ovidrel® in Healthy Subjects

ClinicalTrials.gov · NCT06599528 · Registry updated: 2025-02-10

Condition / research focus: Assisted Reproductive Technology; Female Infertility
Sponsor: Suzhou Centergene Pharmaceuticals Co.,Ltd.
Countries with listed sites: China
Registry dates and results: Start: 2024-08-12. Completion: 2026-12-31 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

T-R (Test-Reference drug) (drug)
R-T (Reference-Test drug) (drug)

Where the study takes place — 1 listed sites

Suzhou Municipal Hospital
Suzhou, Jiangsu, China
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Explore the world’s study registries

These links open external registries; their records are not merged into the results above. WHO ICTRP provides a broader search across contributing registries. Search the same generic name, aliases and development codes in relevant regions. One multinational study may appear in more than one registry, so compare registration identifiers before counting it twice.

Worldwide

Africa

Pan African Clinical Trial Registry ↗

Americas

Asia

Middle East

Europe

Oceania

Australia / New Zealand — ANZCTR ↗

Registry directory checked October 5, 2026 against the WHO registry network. This is a starting point, not complete coverage of every country or continent. Record availability, language and update schedules vary by registry.

Worldwide Study Finder

Loading registry information…

Worldwide Study Finder

Where are peptides being studied? Explore registered human studies by product, phase, condition and location — from early development through Phase 4, alongside studies where phase does not apply.

Searchable results come from ClinicalTrials.gov and include international sites. For broader coverage, use the worldwide and regional registries below. No single registry captures every study.

Find a study

Registry search results

Matching records; showing 20 on this page, newest registry updates first. Search checked 2026-11-08 18:08 UTC. Counts are registry matches, not unique peptides or a worldwide total.

Phase not reported / not applicableCompletedOBSERVATIONAL

Retrospective Study of High Dose Follitropin Delta in a Mixed Protocol With Human Chorionic Gonadotropin

ClinicalTrials.gov · NCT05873725 · Registry updated: 2025-12-09

Condition / research focus: IVF; Infertility
Sponsor: Clinique Ovo
Countries with listed sites: Canada
Registry dates and results: Start: 2023-05-20. Completion: 2024-03-19 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Follitropin delta (drug)

Where the study takes place — 1 listed sites

Clinique Ovo
Montreal, Quebec, Canada
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Transfer of Frozen Embryos in Natural Cycle: Evaluation of Impact of Spontaneous Versus HCG-triggered Ovulation on Pregnancy Rate

ClinicalTrials.gov · NCT03428165 · Registry updated: 2025-12-04

Condition / research focus: in Vitro Fertilization
Sponsor: Centre Hospitalier Universitaire de Nīmes
Countries with listed sites: France
Registry dates and results: Start: 2018-03-07. Completion: 2022-02-01 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

HCG (other)

Where the study takes place — 2 listed sites

CHU Arnaud de Villeneuve
Montpellier, France
Site recruitment: Not reported
CHU Nimes
Nîmes, France
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Early Phase 1RecruitingINTERVENTIONAL

Bone Marrow Derived Stem Cells Mobilization for Treatment of Abnormal Endometrium

ClinicalTrials.gov · NCT05343572 · Registry updated: 2025-11-12

Condition / research focus: Asherman Syndrome; Atrophic Endometrium; Recurrent Implantation Failure
Sponsor: Hugh Taylor
Countries with listed sites: United States
Registry dates and results: Start: 2023-11-01. Completion: 2027-12 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Plerixafor (drug)

Where the study takes place — 1 listed sites

Yale Fertility Center
Orange, Connecticut, United States
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Not applicableRecruitingINTERVENTIONAL

Letrozole-stimulated Cycle Strategy Versus Artificial Cycle Strategy (LETSACT)

ClinicalTrials.gov · NCT06372119 · Registry updated: 2025-09-25

Condition / research focus: Embryo Transfer; Irregular Menstruation; Letrozole; Hormone Replacement Therapy
Sponsor: Mỹ Đức Hospital
Countries with listed sites: Vietnam
Registry dates and results: Start: 2024-04-22. Completion: 2026-04 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Letrozole-stimulated cycle strategy (procedure) — also listed as: LETS
Artificial cycle strategy (procedure) — also listed as: AC

Where the study takes place — 2 listed sites

My Duc Hospital
Ho Chi Minh City, Ho Chi Minh City, Vietnam
Site recruitment: Recruiting
My Duc Phu Nhuan Hospital
Ho Chi Minh City, Ho Chi Minh City, Vietnam
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase 4CompletedINTERVENTIONAL

Effects of Intrauterine Flushing With Human Chorionic Gonadotropin on ICSI Outcome

ClinicalTrials.gov · NCT06684951 · Registry updated: 2025-09-19

Condition / research focus: Female Infertility
Sponsor: Omayma Ismail Khalaf
Countries with listed sites: Iraq
Registry dates and results: Start: 2022-10-23. Completion: 2024-04-30 (may be estimated). Results are posted in this registry.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

hCG (drug)

Where the study takes place — 1 listed sites

High Institute for Infertility Diagnosis and Assisted Reproductive Technology
Baghdad, Iraq
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 3CompletedINTERVENTIONAL

Oxytocin Versus Human Chorionic Gonadotropin as Trigger in Ovulation Induction

ClinicalTrials.gov · NCT06725004 · Registry updated: 2025-08-29

Condition / research focus: Ovulation Induction; Polycystic Ovary Syndrome
Sponsor: Shakeela Ishrat
Countries with listed sites: Bangladesh
Registry dates and results: Start: 2023-01-01. Completion: 2024-06-30 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Oxytocin (drug)
Human Chorionic Gonadotropin (drug)

Where the study takes place — 1 listed sites

Bangabandhu Sheikh Mujib Medical University
Dhaka, Dhaka Division, Bangladesh
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableRecruitingINTERVENTIONAL

Extra Luteinizing Hormone Improve Embryo Quality in IVF Patients With Low LH During Long GnRH-Agonist Treatment

ClinicalTrials.gov · NCT07128394 · Registry updated: 2025-08-19

Condition / research focus: Infertility, Female; Luteinizing Hormone (LH)
Sponsor: Nanjing University
Countries with listed sites: China
Registry dates and results: Start: 2024-02-01. Completion: 2026-11-30 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Recombinant Luteinizing Hormone (rLH) (drug) — also listed as: lutropin alfa, Luveris
Recombinant Follicle-Stimulating Hormone (rFSH) (drug) — also listed as: follitropin alfa, Gonal-F
Gonadotropin-Releasing Hormone Agonist (GnRH-a) (drug) — also listed as: triptorelin, Diphereline

Where the study takes place — 1 listed sites

Nanjing Drum Tower Hospital, Nanjing University Medical School
Nanjing, Jiangsu, China
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase 4RecruitingINTERVENTIONAL

Is There a Need for Luteal Support in Modified Natural Cycle Frozen Embryo Transfer Cycles

ClinicalTrials.gov · NCT06875752 · Registry updated: 2025-07-25

Condition / research focus: Luteal Support; Frozen Embryo Transfer (FET)
Sponsor: Dunamenti REK Istenhegyi IVF Center
Countries with listed sites: Hungary
Registry dates and results: Start: 2025-04-12. Completion: 2026-12-01 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

no luteal support (drug)
Vaginal Progesterone (drug)
Progesterone plus HCG (drug) — also listed as: Utrogestan

Where the study takes place — 5 listed sites

Dunamenti REK Istenhegyi IVF Center
Budapest, Budapest, Hungary
Site recruitment: Recruiting
Dunamenti REK Gyor IVF Center
Győr, Gyor, Hungary
Site recruitment: Recruiting
University of Pecs, Dept. OBGYN, Reproductive Center
Pécs, Pecs, Hungary
Site recruitment: Recruiting
University of Szeged, Reproductive Medicine Institute
Szeged, Szeged, Hungary
Site recruitment: Recruiting
Dunamenti REK Tapolca IVF Center
Tapolca, Tapolca, Hungary
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase not reported / not applicableRecruitingOBSERVATIONAL

Does Recombinant FSH (rFSH, i.g. Gonal F®) as Compared to Human Menopausal Gonadotrophin (hMG) Affect Telomere Length of Cumulus Cells During Antral Follicle Growth and Impact Blastocyst Status?

ClinicalTrials.gov · NCT06732843 · Registry updated: 2025-07-25

Condition / research focus: OVARIAN STIMULATION; Telomere Length; Telomere Length, Mean Leukocyte
Sponsor: ART Fertility Clinics LLC
Countries with listed sites: United Arab Emirates
Registry dates and results: Start: 2025-07-23. Completion: 2027-07-31 (may be estimated). No results posted in this registry response.

Products and interventions (0)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Where the study takes place — 1 listed sites

ART Fertility Clinics
Abu Dhabi, Abu Dhabi Emirate, United Arab Emirates
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase 3Active, not recruitingINTERVENTIONAL

Natural Versus Programmed Frozen Embryo Transfer (NatPro)

ClinicalTrials.gov · NCT04551807 · Registry updated: 2025-05-16

Condition / research focus: Pregnancy Related; Pre-Eclampsia
Sponsor: JHSPH Center for Clinical Trials
Countries with listed sites: United States
Registry dates and results: Start: 2020-09-16. Completion: 2026-04-01 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Modified natural cycle (procedure)
Programmed cycle (procedure)

Where the study takes place — 15 listed sites

University of California San Francisco
San Francisco, California, United States
Site recruitment: Not reported
Stanford University
Sunnyvale, California, United States
Site recruitment: Not reported
Yale
Orange, Connecticut, United States
Site recruitment: Not reported
Fertility Institute of Hawaii
Honolulu, Hawaii, United States
Site recruitment: Not reported
Northwestern University
Chicago, Illinois, United States
Site recruitment: Not reported
Johns Hopkins
Baltimore, Maryland, United States
Site recruitment: Not reported
Shady Grove Fertility
Rockville, Maryland, United States
Site recruitment: Not reported
Boston IVF
Waltham, Massachusetts, United States
Site recruitment: Not reported
University of Rochester
Rochester, New York, United States
Site recruitment: Not reported
Atrium Health
Charlotte, North Carolina, United States
Site recruitment: Not reported
Cleveland Clinic Foundation
Beachwood, Ohio, United States
Site recruitment: Not reported
University of Oklahoma
Oklahoma City, Oklahoma, United States
Site recruitment: Not reported
University of Pennsylvania
Philadelphia, Pennsylvania, United States
Site recruitment: Not reported
CARE Fertility
Bedford, Texas, United States
Site recruitment: Not reported
West Virginia University Center for Reproductive Medicine
Morgantown, West Virginia, United States
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase not reported / not applicableActive, not recruitingOBSERVATIONAL

Sleep Quality and the Menstrual Cycle

ClinicalTrials.gov · NCT06906133 · Registry updated: 2025-04-06

Condition / research focus: Sleep Quality
Sponsor: University of Akureyri
Countries with listed sites: Iceland
Registry dates and results: Start: 2025-03-01. Completion: 2026-08-31 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Urinary-hCG (other)

Where the study takes place — 2 listed sites

Akureyri Hospital
Akureyri, Iceland
Site recruitment: Not reported
University of Akureyri
Akureyri, Iceland
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 2RecruitingINTERVENTIONAL

Efficacy of Human Chorionic Gonadotropin in Acute GVHD Treatment

ClinicalTrials.gov · NCT06904599 · Registry updated: 2025-04-03

Condition / research focus: Acute Graft Versus Host Disease
Sponsor: Hospital Universitario Dr. Jose E. Gonzalez
Countries with listed sites: Mexico
Registry dates and results: Start: 2025-02-01. Completion: 2026-01-31 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Human chorionic gonadotropin (hCG) (drug)
Prednisone (drug)
Dexamethasone (drug)

Where the study takes place — 1 listed sites

Universidad Autónoma de Nuevo León
Monterrey, Nuevo León, Mexico
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Phase 4RecruitingINTERVENTIONAL

Impact of the Presence of the Corpus Luteum on Pregnancies Obtained Through Frozen Embryo Transfer(FET)

ClinicalTrials.gov · NCT06896617 · Registry updated: 2025-04-02

Condition / research focus: Infertilities; Embryo Transfer
Sponsor: Fundacion Clinic per a la Recerca Biomédica
Countries with listed sites: Spain
Registry dates and results: Start: 2025-02-01. Completion: 2026-12-20 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Estradiol + Progesterone (drug)
Ovitrelle ( Hcg 250 mcg) (drug)

Where the study takes place — 1 listed sites

Laura Burunat
Barcelona, Spain, Spain
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Hormone Evaluation in Artificial Reproductive Technology

ClinicalTrials.gov · NCT03737253 · Registry updated: 2025-03-17

Condition / research focus: Female Infertility
Sponsor: Lund University
Countries with listed sites: Poland · Sweden
Registry dates and results: Start: 2016-09. Completion: 2024-10-02 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Follitropin alpha (drug) — also listed as: Gonal F, Puregon, Urofollitropin
Menotropin (drug) — also listed as: Menopur

Where the study takes place — 2 listed sites

Poznan University of Medical Sciences
Poznan, Poland
Site recruitment: Not reported
Reproductive Medicine Center
Malmö, Sweden
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 1Not yet recruitingINTERVENTIONAL

The Study of Human Chorionic Gonadotropin (HCG) Activating the Dormant Follicles .

ClinicalTrials.gov · NCT06754332 · Registry updated: 2025-03-12

Condition / research focus: Premature Ovarian Insufficiency
Sponsor: The Fourth Affiliated Hospital of Zhejiang University School of Medicine
Countries with listed sites: No country reported
Registry dates and results: Start: 2025-04-01. Completion: 2029-08-31 (may be estimated). No results posted in this registry response.

Products and interventions (1)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

human chorionic gonadotropin (drug) — also listed as: HCG

Where the study takes place — 0 listed sites

The registry does not list facilities in this record. This does not mean the study has no sites.

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Follicular Long GnRH Agonist Versus Antagonist Protocol in PCOS Women Undergoing in Vitro Fertilization

ClinicalTrials.gov · NCT02496754 · Registry updated: 2025-03-05

Condition / research focus: Clinical Pregnancy Rate; Ovulation Induction; IVF
Sponsor: The First Affiliated Hospital of Zhengzhou University
Countries with listed sites: China
Registry dates and results: Start: 2016-06. Completion: 2024-12 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

GnRH-a (drug)
GnRH-anta (drug)

Where the study takes place — 1 listed sites

Reproductive Medical Center, 1st Affiliated Hospital of Zhengzhou University
Zhengzhou, Henan, China
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase not reported / not applicableNot yet recruitingOBSERVATIONAL

CircularRNA-microRNA-mRNA Regulatory Axis in IVF

ClinicalTrials.gov · NCT06792266 · Registry updated: 2025-03-05

Condition / research focus: Infertility (IVF Patients)
Sponsor: Assiut University
Countries with listed sites: Egypt
Registry dates and results: Start: 2025-03. Completion: 2027-09-01 (may be estimated). No results posted in this registry response.

Products and interventions (0)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Where the study takes place — 1 listed sites

Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Assuit University, Assuit, Egypt.
Asyut, Egypt
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Early Phase 1CompletedINTERVENTIONAL

Comparison Elagolix vs Depot Leuprolide Prior to Frozen Embryo Transfers in Patients With Endometriosis

ClinicalTrials.gov · NCT04445025 · Registry updated: 2025-02-20

Condition / research focus: Infertility; Endometriosis
Sponsor: Colorado Center for Reproductive Medicine
Countries with listed sites: United States
Registry dates and results: Start: 2020-09-01. Completion: 2024-12-30 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Elagolix 200 MG (drug)
Leuprolide Acetate 3.75 MG/ML (drug)
Lab work (diagnostic_test)

Where the study takes place — 1 listed sites

Colorado Center for Reproductive Medicine
Lone Tree, Colorado, United States
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 4CompletedINTERVENTIONAL

Cost-effective Treatment of Unexplained Infertility

ClinicalTrials.gov · NCT06178523 · Registry updated: 2025-02-13

Condition / research focus: Unexplained Infertility
Sponsor: Batterjee Medical College
Countries with listed sites: Saudi Arabia
Registry dates and results: Start: 2024-01-01. Completion: 2024-12-31 (may be estimated). No results posted in this registry response.

Products and interventions (3)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

Clomiphene Citrate. (drug) — also listed as: Clomid®
Sildenafil Citrate (drug) — also listed as: Viagra®
Intrauterine Insemination (procedure) — also listed as: IUI

Where the study takes place — 1 listed sites

Batterjee Medical College
Jeddah, Mecca Region, Saudi Arabia
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Phase 1RecruitingINTERVENTIONAL

A Comparing Study Between SJ04 and Ovidrel® in Healthy Subjects

ClinicalTrials.gov · NCT06599528 · Registry updated: 2025-02-10

Condition / research focus: Assisted Reproductive Technology; Female Infertility
Sponsor: Suzhou Centergene Pharmaceuticals Co.,Ltd.
Countries with listed sites: China
Registry dates and results: Start: 2024-08-12. Completion: 2026-12-31 (may be estimated). No results posted in this registry response.

Products and interventions (2)

Includes comparators and combinations. A search match is not a verified peptide identity or evidence of benefit.

T-R (Test-Reference drug) (drug)
R-T (Reference-Test drug) (drug)

Where the study takes place — 1 listed sites

Suzhou Municipal Hospital
Suzhou, Jiangsu, China
Site recruitment: Recruiting

Original record, eligibility, contacts and results →