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 18:52 UTC. Counts are registry matches, not unique peptides or a worldwide total.

Not applicableRecruitingINTERVENTIONAL

Moving Towards Precision Medicine in United Airways Disease: Unraveling Inflammatory Patterns in Asthmatic Patients With or Without Nasal Polyps

ClinicalTrials.gov · NCT05009758 · Registry updated: 2025-05-07

Condition / research focus: Asthma; Chronic Rhinosinusitis With Nasal Polyps; Chronic Rhinosinusitis (Diagnosis); Nasal Polyps
Sponsor: Medical University of Vienna
Countries with listed sites: Austria
Registry dates and results: Start: 2021-09-01. Completion: 2026-12 (may be estimated). No results posted in this registry response.

Products and interventions (13)

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

Blood sampling (procedure)
Nasosorption (procedure)
Oral sampling (procedure)
Bronchoscopy (procedure)
Nasal biopsy (procedure)
Nasal sampling (procedure)
Nasal mucosa mRNA sampling (procedure)
Pregnancy test (diagnostic_test)
Medical history of patients, demographic data, concomitant medication, questionnaire (other)
UPSIT smell test (diagnostic_test)
Spirometry (procedure)
FeNO (procedure)
Lung X-Ray (procedure)

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.

Allgemeines Krankenhaus (AKH) Wien
Vienna, Austria
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Not applicableUnknownINTERVENTIONAL

Contribution of Nasal IgE Production to the Boost of Systemic Allergen-specific IgE Upon Nasal Allergen Contact

ClinicalTrials.gov · NCT05042830 · Registry updated: 2025-05-07

Condition / research focus: Allergy
Sponsor: Medical University of Vienna
Countries with listed sites: Austria
Registry dates and results: Start: 2021-11-11. Completion: 2026-09 (may be estimated). No results posted in this registry response.

Products and interventions (8)

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

Blood sampling (procedure)
Nasal biopsies (procedure)
Nasal specimen collection (biological)
Mucosal RNA sampling (procedure)
Intranasal challenge (procedure)
Skin prick test (procedure)
Peak Nasal Inspiratory Flow (PNIF) (procedure)
Pregnancy test (biological)

Where the study takes place — 1 listed sites

Medical University of Vienna
Vienna, State of Vienna, Austria
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Increasing Family Planning Uptake Among Postpartum Women

ClinicalTrials.gov · NCT00949481 · Registry updated: 2025-04-13

Condition / research focus: Postpartum Period
Sponsor: FHI 360
Countries with listed sites: Ghana · Zambia
Registry dates and results: Start: 2009-02. Completion: 2009-08 (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.

Pregnancy Test (other)
Job aid (other)

Where the study takes place — 2 listed sites

Central Region, GHANA
Cape Coast, Central Region, Ghana
Site recruitment: Not reported
Central Province, ZAMBIA
Kabwe;Chibombo, Central Province, Zambia
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Management of Pregnancies of Unknown Location (PUL)

ClinicalTrials.gov · NCT03461835 · Registry updated: 2025-04-06

Condition / research focus: Pregnancy, Ectopic; Pregnancy, High Risk; Pregnancy Early
Sponsor: Göteborg University
Countries with listed sites: Sweden
Registry dates and results: Start: 2018-02-22. Completion: 2024-12-30 (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.

Risk classification of PUL by M4 (diagnostic_test)
Risk classification of PUL by NICE (diagnostic_test)

Where the study takes place — 3 listed sites

Södra Älvsborgs Sjukhus
Borås, Sweden
Site recruitment: Not reported
Sahlgrenska University Hospital
Gothenburg, Sweden
Site recruitment: Not reported
Skaraborgs sjukhus Skövde
Skövde, Sweden
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 →

Not applicableTerminatedINTERVENTIONAL

Natural Cycle vs Programmed Cycle Frozen Embryo Transfer

ClinicalTrials.gov · NCT05716139 · Registry updated: 2025-04-03

Condition / research focus: Infertility; Frozen Embryo Transfer; Preeclampsia and Eclampsia
Sponsor: Indira IVF Hospital Pvt Ltd
Countries with listed sites: India
Registry dates and results: Start: 2023-07-15. Completion: 2024-03-26 (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.

Natural Cycle (procedure)
Artificial Cycle (procedure)

Where the study takes place — 1 listed sites

Indira IVF Hospital Private Limited
Udaipur, Rajasthan, India
Site recruitment: Not reported

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 →

Phase not reported / not applicableCompletedOBSERVATIONAL

The Accuracy of Endometrial Ultrasound to Predict Implantation

ClinicalTrials.gov · NCT03860636 · Registry updated: 2025-04-02

Condition / research focus: Infertility, Subfertility
Sponsor: University of Nottingham
Countries with listed sites: United Kingdom
Registry dates and results: Start: 2018-11-26. Completion: 2022-04-13 (may be estimated). No results posted in this registry response.

Products and interventions (28)

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

Endometrial Pattern on Ultrasound at ET (diagnostic_test)
Endometrial Pattern on Ultrasound at HCG (diagnostic_test)
Endometrial Pattern on Ultrasound at TVOR (diagnostic_test)
Endometrial Pattern on Ultrasound at co-ordination scan (diagnostic_test)
Endometrial thickness at HCG (diagnostic_test)
Endometrial thickness at TVOR (diagnostic_test)
Endometrial thickness at ET (diagnostic_test)
Endometrial thickness at coordination scan (diagnostic_test)
Endometrial volume at HCG (diagnostic_test)
Endometrial volume at TVOR (diagnostic_test)
Endometrial volume at ET (diagnostic_test)
Endometrial volume at coordination scan (diagnostic_test)
Blood test for progesterone at HCG (diagnostic_test)
Blood test for progesterone at TVOR (diagnostic_test)
Blood test for progesterone at ET (diagnostic_test)
Blood test for progesterone at coordination scan (diagnostic_test)
Change in endometrial pattern between TVOR and ET (diagnostic_test)
Blood test for estradiol at HCG (diagnostic_test)
Blood test for estradiol at TVOR (diagnostic_test)
Blood test for estradiol at ET (diagnostic_test)
Blood test for estradiol at coordination scan (diagnostic_test)
Endometrial blood flow (doppler) at HCG (diagnostic_test)
Endometrial blood flow (doppler) at TVOR (diagnostic_test)
Endometrial blood flow (doppler) at ET (diagnostic_test)
Endometrial blood flow (doppler) at coordination scan (diagnostic_test)
Contractility at embryo transfer on a subgroup of participants (diagnostic_test)
Change in endometrial pattern between coordination scan and ET (diagnostic_test)
Change in endometrial pattern between HCG and ET (diagnostic_test)

Where the study takes place — 1 listed sites

Nurture Fertility
Nottingham, Nottinghamshire, United Kingdom
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

The Application of Zishen Yutai Pill in Aged Women Undergoing IVF-ET

ClinicalTrials.gov · NCT03703700 · Registry updated: 2025-03-25

Condition / research focus: Infertility, Female
Sponsor: Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Countries with listed sites: China
Registry dates and results: Start: 2019-03-04. Completion: 2024-09-14 (may be estimated). Results are posted in this registry.

Products and interventions (2)

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

Zishen Yutai Pill (drug)
Placebo (drug)

Where the study takes place — 12 listed sites

Chongqing Health Center For Women and Children
Chongqing, Chongqing Municipality, China
Site recruitment: Not reported
The First Hospital of Lanzhou University
Lanzhou, Gansu, China
Site recruitment: Not reported
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Guangzhou, Guangdong, China
Site recruitment: Not reported
Liuzhou Maternal and Child Healthcare Hospital
Liuzhou, Guangxi, China
Site recruitment: Not reported
The First Affiliated Hospital of Zhengzhou University
Zhengzhou, Henan, China
Site recruitment: Not reported
The Third Affiliated Hospital of Zhengzhou University
Zhengzhou, Henan, China
Site recruitment: Not reported
Reproductive and Genetic Hospital of CITIC-XIANGYA
Changsha, Hunan, China
Site recruitment: Not reported
The Affiliated Suzhou Hospital of Nanjing Medical University
Suzhou, Jiangsu, China
Site recruitment: Not reported
Reproductive Hospital affiliated to Shandong University
Jinan, Shandong, China
Site recruitment: Not reported
Northwest Women and Children's Hospital
Xi’an, Shanxi, China
Site recruitment: Not reported
Tangdu Hospital of Air Force Medical University
Xi’an, Shanxi, China
Site recruitment: Not reported
West China Second University Hospital/West China Women's and Children's Hospital
Sichuan, Sichuan, China
Site recruitment: Not reported

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 →

Phase 4CompletedINTERVENTIONAL

Natural Versus Artificial Cycle for Frozen-Thawed Embryo Transfer

ClinicalTrials.gov · NCT03642665 · Registry updated: 2025-02-28

Condition / research focus: Embryo Transfer
Sponsor: Universitaire Ziekenhuizen KU Leuven
Countries with listed sites: Belgium
Registry dates and results: Start: 2018-09-25. Completion: 2024-11-01 (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.

Natural cycle (drug)
Estradiol Valerate (drug) — also listed as: Artificial cycle
Micronized progesterone (drug) — also listed as: Artificial cycle

Where the study takes place — 1 listed sites

UZ Leuven
Leuven, Belgium
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 not reported / not applicableCompletedOBSERVATIONAL

Study to Assess the Effect of Intrauterine Adminstration of HCG Versus Endometrial Injury by Pipelle

ClinicalTrials.gov · NCT05050747 · Registry updated: 2025-02-19

Condition / research focus: Female Infertility
Sponsor: Wael Elbanna Clinic
Countries with listed sites: Egypt
Registry dates and results: Start: 2021-09-27. Completion: 2024-11-12 (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.

HCG is introduced at day of trigger intra-uterine (drug)
endometrial injury by pipelle (device)

Where the study takes place — 1 listed sites

Wael Elbanna Clinic
Cairo, Egypt
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableNot yet recruitingINTERVENTIONAL

Online and Mobile Support Program and Fertility

ClinicalTrials.gov · NCT06824272 · Registry updated: 2025-02-13

Condition / research focus: Infertility; Stress
Sponsor: Dokuz Eylul University
Countries with listed sites: No country reported
Registry dates and results: Start: 2025-03-30. Completion: 2025-12-01 (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.

MOBIL AND ONLINE EDUCATION (other)

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 →

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 not reported / not applicableCompletedOBSERVATIONAL

Immediate Versus Delayed Natural Cycle Frozen Embryo Transfers

ClinicalTrials.gov · NCT05215119 · Registry updated: 2025-02-11

Condition / research focus: Clinical Pregnancy
Sponsor: Antalya IVF
Countries with listed sites: Turkey (Türkiye)
Registry dates and results: Start: 2022-03-04. Completion: 2025-02-08 (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.

natural cycle endometrial preparation (procedure)

Where the study takes place — 1 listed sites

Antalya IVF
Antalya, Antalya, Turkey (Türkiye)
Site recruitment: Not reported

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 18:52 UTC. Counts are registry matches, not unique peptides or a worldwide total.

Not applicableRecruitingINTERVENTIONAL

Moving Towards Precision Medicine in United Airways Disease: Unraveling Inflammatory Patterns in Asthmatic Patients With or Without Nasal Polyps

ClinicalTrials.gov · NCT05009758 · Registry updated: 2025-05-07

Condition / research focus: Asthma; Chronic Rhinosinusitis With Nasal Polyps; Chronic Rhinosinusitis (Diagnosis); Nasal Polyps
Sponsor: Medical University of Vienna
Countries with listed sites: Austria
Registry dates and results: Start: 2021-09-01. Completion: 2026-12 (may be estimated). No results posted in this registry response.

Products and interventions (13)

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

Blood sampling (procedure)
Nasosorption (procedure)
Oral sampling (procedure)
Bronchoscopy (procedure)
Nasal biopsy (procedure)
Nasal sampling (procedure)
Nasal mucosa mRNA sampling (procedure)
Pregnancy test (diagnostic_test)
Medical history of patients, demographic data, concomitant medication, questionnaire (other)
UPSIT smell test (diagnostic_test)
Spirometry (procedure)
FeNO (procedure)
Lung X-Ray (procedure)

Where the study takes place — 1 listed sites

Allgemeines Krankenhaus (AKH) Wien
Vienna, Austria
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Not applicableUnknownINTERVENTIONAL

Contribution of Nasal IgE Production to the Boost of Systemic Allergen-specific IgE Upon Nasal Allergen Contact

ClinicalTrials.gov · NCT05042830 · Registry updated: 2025-05-07

Condition / research focus: Allergy
Sponsor: Medical University of Vienna
Countries with listed sites: Austria
Registry dates and results: Start: 2021-11-11. Completion: 2026-09 (may be estimated). No results posted in this registry response.

Products and interventions (8)

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

Blood sampling (procedure)
Nasal biopsies (procedure)
Nasal specimen collection (biological)
Mucosal RNA sampling (procedure)
Intranasal challenge (procedure)
Skin prick test (procedure)
Peak Nasal Inspiratory Flow (PNIF) (procedure)
Pregnancy test (biological)

Where the study takes place — 1 listed sites

Medical University of Vienna
Vienna, State of Vienna, Austria
Site recruitment: Recruiting

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Increasing Family Planning Uptake Among Postpartum Women

ClinicalTrials.gov · NCT00949481 · Registry updated: 2025-04-13

Condition / research focus: Postpartum Period
Sponsor: FHI 360
Countries with listed sites: Ghana · Zambia
Registry dates and results: Start: 2009-02. Completion: 2009-08 (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.

Pregnancy Test (other)
Job aid (other)

Where the study takes place — 2 listed sites

Central Region, GHANA
Cape Coast, Central Region, Ghana
Site recruitment: Not reported
Central Province, ZAMBIA
Kabwe;Chibombo, Central Province, Zambia
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

Management of Pregnancies of Unknown Location (PUL)

ClinicalTrials.gov · NCT03461835 · Registry updated: 2025-04-06

Condition / research focus: Pregnancy, Ectopic; Pregnancy, High Risk; Pregnancy Early
Sponsor: Göteborg University
Countries with listed sites: Sweden
Registry dates and results: Start: 2018-02-22. Completion: 2024-12-30 (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.

Risk classification of PUL by M4 (diagnostic_test)
Risk classification of PUL by NICE (diagnostic_test)

Where the study takes place — 3 listed sites

Södra Älvsborgs Sjukhus
Borås, Sweden
Site recruitment: Not reported
Sahlgrenska University Hospital
Gothenburg, Sweden
Site recruitment: Not reported
Skaraborgs sjukhus Skövde
Skövde, Sweden
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 →

Not applicableTerminatedINTERVENTIONAL

Natural Cycle vs Programmed Cycle Frozen Embryo Transfer

ClinicalTrials.gov · NCT05716139 · Registry updated: 2025-04-03

Condition / research focus: Infertility; Frozen Embryo Transfer; Preeclampsia and Eclampsia
Sponsor: Indira IVF Hospital Pvt Ltd
Countries with listed sites: India
Registry dates and results: Start: 2023-07-15. Completion: 2024-03-26 (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.

Natural Cycle (procedure)
Artificial Cycle (procedure)

Where the study takes place — 1 listed sites

Indira IVF Hospital Private Limited
Udaipur, Rajasthan, India
Site recruitment: Not reported

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 →

Phase not reported / not applicableCompletedOBSERVATIONAL

The Accuracy of Endometrial Ultrasound to Predict Implantation

ClinicalTrials.gov · NCT03860636 · Registry updated: 2025-04-02

Condition / research focus: Infertility, Subfertility
Sponsor: University of Nottingham
Countries with listed sites: United Kingdom
Registry dates and results: Start: 2018-11-26. Completion: 2022-04-13 (may be estimated). No results posted in this registry response.

Products and interventions (28)

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

Endometrial Pattern on Ultrasound at ET (diagnostic_test)
Endometrial Pattern on Ultrasound at HCG (diagnostic_test)
Endometrial Pattern on Ultrasound at TVOR (diagnostic_test)
Endometrial Pattern on Ultrasound at co-ordination scan (diagnostic_test)
Endometrial thickness at HCG (diagnostic_test)
Endometrial thickness at TVOR (diagnostic_test)
Endometrial thickness at ET (diagnostic_test)
Endometrial thickness at coordination scan (diagnostic_test)
Endometrial volume at HCG (diagnostic_test)
Endometrial volume at TVOR (diagnostic_test)
Endometrial volume at ET (diagnostic_test)
Endometrial volume at coordination scan (diagnostic_test)
Blood test for progesterone at HCG (diagnostic_test)
Blood test for progesterone at TVOR (diagnostic_test)
Blood test for progesterone at ET (diagnostic_test)
Blood test for progesterone at coordination scan (diagnostic_test)
Change in endometrial pattern between TVOR and ET (diagnostic_test)
Blood test for estradiol at HCG (diagnostic_test)
Blood test for estradiol at TVOR (diagnostic_test)
Blood test for estradiol at ET (diagnostic_test)
Blood test for estradiol at coordination scan (diagnostic_test)
Endometrial blood flow (doppler) at HCG (diagnostic_test)
Endometrial blood flow (doppler) at TVOR (diagnostic_test)
Endometrial blood flow (doppler) at ET (diagnostic_test)
Endometrial blood flow (doppler) at coordination scan (diagnostic_test)
Contractility at embryo transfer on a subgroup of participants (diagnostic_test)
Change in endometrial pattern between coordination scan and ET (diagnostic_test)
Change in endometrial pattern between HCG and ET (diagnostic_test)

Where the study takes place — 1 listed sites

Nurture Fertility
Nottingham, Nottinghamshire, United Kingdom
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableCompletedINTERVENTIONAL

The Application of Zishen Yutai Pill in Aged Women Undergoing IVF-ET

ClinicalTrials.gov · NCT03703700 · Registry updated: 2025-03-25

Condition / research focus: Infertility, Female
Sponsor: Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Countries with listed sites: China
Registry dates and results: Start: 2019-03-04. Completion: 2024-09-14 (may be estimated). Results are posted in this registry.

Products and interventions (2)

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

Zishen Yutai Pill (drug)
Placebo (drug)

Where the study takes place — 12 listed sites

Chongqing Health Center For Women and Children
Chongqing, Chongqing Municipality, China
Site recruitment: Not reported
The First Hospital of Lanzhou University
Lanzhou, Gansu, China
Site recruitment: Not reported
Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Guangzhou, Guangdong, China
Site recruitment: Not reported
Liuzhou Maternal and Child Healthcare Hospital
Liuzhou, Guangxi, China
Site recruitment: Not reported
The First Affiliated Hospital of Zhengzhou University
Zhengzhou, Henan, China
Site recruitment: Not reported
The Third Affiliated Hospital of Zhengzhou University
Zhengzhou, Henan, China
Site recruitment: Not reported
Reproductive and Genetic Hospital of CITIC-XIANGYA
Changsha, Hunan, China
Site recruitment: Not reported
The Affiliated Suzhou Hospital of Nanjing Medical University
Suzhou, Jiangsu, China
Site recruitment: Not reported
Reproductive Hospital affiliated to Shandong University
Jinan, Shandong, China
Site recruitment: Not reported
Northwest Women and Children's Hospital
Xi’an, Shanxi, China
Site recruitment: Not reported
Tangdu Hospital of Air Force Medical University
Xi’an, Shanxi, China
Site recruitment: Not reported
West China Second University Hospital/West China Women's and Children's Hospital
Sichuan, Sichuan, China
Site recruitment: Not reported

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 →

Phase 4CompletedINTERVENTIONAL

Natural Versus Artificial Cycle for Frozen-Thawed Embryo Transfer

ClinicalTrials.gov · NCT03642665 · Registry updated: 2025-02-28

Condition / research focus: Embryo Transfer
Sponsor: Universitaire Ziekenhuizen KU Leuven
Countries with listed sites: Belgium
Registry dates and results: Start: 2018-09-25. Completion: 2024-11-01 (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.

Natural cycle (drug)
Estradiol Valerate (drug) — also listed as: Artificial cycle
Micronized progesterone (drug) — also listed as: Artificial cycle

Where the study takes place — 1 listed sites

UZ Leuven
Leuven, Belgium
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 not reported / not applicableCompletedOBSERVATIONAL

Study to Assess the Effect of Intrauterine Adminstration of HCG Versus Endometrial Injury by Pipelle

ClinicalTrials.gov · NCT05050747 · Registry updated: 2025-02-19

Condition / research focus: Female Infertility
Sponsor: Wael Elbanna Clinic
Countries with listed sites: Egypt
Registry dates and results: Start: 2021-09-27. Completion: 2024-11-12 (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.

HCG is introduced at day of trigger intra-uterine (drug)
endometrial injury by pipelle (device)

Where the study takes place — 1 listed sites

Wael Elbanna Clinic
Cairo, Egypt
Site recruitment: Not reported

Original record, eligibility, contacts and results →

Not applicableNot yet recruitingINTERVENTIONAL

Online and Mobile Support Program and Fertility

ClinicalTrials.gov · NCT06824272 · Registry updated: 2025-02-13

Condition / research focus: Infertility; Stress
Sponsor: Dokuz Eylul University
Countries with listed sites: No country reported
Registry dates and results: Start: 2025-03-30. Completion: 2025-12-01 (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.

MOBIL AND ONLINE EDUCATION (other)

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 →

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 not reported / not applicableCompletedOBSERVATIONAL

Immediate Versus Delayed Natural Cycle Frozen Embryo Transfers

ClinicalTrials.gov · NCT05215119 · Registry updated: 2025-02-11

Condition / research focus: Clinical Pregnancy
Sponsor: Antalya IVF
Countries with listed sites: Turkey (Türkiye)
Registry dates and results: Start: 2022-03-04. Completion: 2025-02-08 (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.

natural cycle endometrial preparation (procedure)

Where the study takes place — 1 listed sites

Antalya IVF
Antalya, Antalya, Turkey (Türkiye)
Site recruitment: Not reported

Original record, eligibility, contacts and results →