- ICH GCP
- US Clinical Trials Registry
- Search trials
Clinical Trials on Live Birth Rate
Total 161972 results
-
NuCana plcRecruitingMelanoma | Renal Cell Carcinoma | Gastric Cancer | Non Small Cell Lung Cancer | Metastatic Cancer | Triple Negative Breast Cancer | Advanced Solid Tumor | Advanced Cancer | Head and Neck Squamous Cell Carcinoma | Endometrial Carcinoma | Urothelial Carcinoma | Classical Hodgkin Lymphoma | Neoplasm Malignant | Pleural... and other conditionsUnited Kingdom
-
ElephasHoosier Cancer Research NetworkRecruitingClear Cell Renal Cell Carcinoma | Colorectal Cancer | Non Small Cell Lung Cancer | Endometrial Cancer | Head and Neck Squamous Cell Carcinoma | Urothelial Carcinoma | Cutaneous MelanomaUnited States
-
TILT Biotherapeutics Ltd.Merck Sharp & Dohme LLCRecruitingPlatinum-resistant Ovarian Cancer | Platinum-Resistant Fallopian Tube Carcinoma | Platinum-Resistant Primary Peritoneal Carcinoma | Platinum-Refractory Fallopian Tube Carcinoma | Platinum-Refractory Primary Peritoneal Carcinoma | Platinum-refractory Ovarian Carcinoma | Platinum-Sensitive Ovarian... and other conditionsUnited States, Finland
-
Nuvation Bio Inc.RecruitingBreast Cancer | Pancreatic Cancer | Ovarian Cancer | Prostate Cancer | Breast Carcinoma | Triple Negative Breast Cancer | Triple Negative Breast Neoplasms | Advanced Solid Tumor | Cancer of the Ovary | Pancreas Cancer | Triple-negative Breast Cancer | Cancer of Pancreas | Pancreas Neoplasm | Prostate Neoplasm | Cancer... and other conditionsUnited States, Australia
-
Elucida OncologyRecruitingOvarian Diseases | Ovarian Neoplasms | Ovarian Cancer | Ovarian Epithelial Cancer | Fallopian Tube Cancer | Endometrial Neoplasms | Endometrial Cancer | Endometrial Clear Cell Adenocarcinoma | Ovarian Carcinoma | Endometrial Adenocarcinoma | Peritoneal Cancer | Endometrioid Adenocarcinoma | Ovarian Adenocarcinoma | Ovarian Serous Adenocarcinoma and other conditionsUnited States
-
Day One Biopharmaceuticals, Inc.RecruitingMelanoma | Colorectal Cancer | Solid Tumor | Non Small Cell Lung Cancer | Bladder Cancer | Thyroid Cancer, Papillary | Pilocytic Astrocytoma | Bladder Urothelial Carcinoma | Non-Small Cell Adenocarcinoma | MEK Mutation | RAS Mutation | Pancreatic Acinar Carcinoma | RAF Mutation | CRAF Gene Amplification | RAF1 Gene Amplification and other conditionsUnited States, Canada, Korea, Republic of, Spain, Australia, Belgium, France
-
Fred Hutchinson Cancer CenterNational Cancer Institute (NCI)RecruitingHematopoietic and Lymphoid Cell Neoplasm | Malignant Solid Neoplasm | Sarcoma | Lymphoma | Leukemia | Anatomic Stage I Breast Cancer AJCC v8 | Anatomic Stage II Breast Cancer AJCC v8 | Anatomic Stage III Breast Cancer AJCC v8 | Clinical Stage III Cutaneous Melanoma AJCC v8 | Thyroid Gland Carcinoma | Clinical... and other conditionsUnited States
-
NRG OncologyNational Cancer Institute (NCI)RecruitingStage III Fallopian Tube Cancer AJCC v8 | Stage III Ovarian Cancer AJCC v8 | Stage III Primary Peritoneal Cancer AJCC v8 | Stage IV Fallopian Tube Cancer AJCC v8 | Stage IV Ovarian Cancer AJCC v8 | Stage IV Primary Peritoneal Cancer AJCC v8 | Stage II Fallopian Tube Cancer AJCC v8 | Stage II Ovarian... and other conditionsUnited States, Korea, Republic of, Canada, Puerto Rico
-
Fred Hutchinson Cancer CenterNational Cancer Institute (NCI)RecruitingAcute Lymphoblastic Leukemia | Acute Leukemia | Blastic Plasmacytoid Dendritic Cell Neoplasm | Acute Leukemia of Ambiguous Lineage | Acute Undifferentiated Leukemia | Acute Biphenotypic Leukemia | Myelodysplastic Syndrome With Excess Blasts-1 | Mixed Phenotype Acute Leukemia | Blasts Under 5 Percent... and other conditionsUnited States
-
British Columbia Cancer AgencyRecruitingPituitary Adenoma | Neuroendocrine Tumors | Medulloblastoma | Small-cell Lung Cancer | Neuroblastoma | Meningioma | Merkel Cell Carcinoma | Pheochromocytoma | Paraganglioma | Gastrinoma | Glucagonoma | Insulinoma | Vipoma | Carcinoid | Ganglioneuroma | Medullary CarcinomaCanada
-
CES UniversityRecruitingDepression | Diabetes Mellitus | Cancer | Atrial Fibrillation | Fibromyalgia | Blood Pressure | Syncope | Coronary Heart Disease | Chronic Fatigue Syndrome | Panic Attack | Diastolic Heart Failure | POTS | Systolic Heart Failure | Vasovagal Syncope | Acute Myocardial Infarction (AMI) | Transient Ischemic Attack (TIA) | Acute... and other conditionsColombia
-
City of Hope Medical CenterNational Cancer Institute (NCI)Active, not recruitingHematopoietic and Lymphoid Cell Neoplasm | Myelofibrosis | Chronic Lymphocytic Leukemia | Adult Acute Myeloid Leukemia in Remission | Myelodysplastic Syndrome | Adult Acute Lymphoblastic Leukemia in Remission | Myeloproliferative Neoplasm | Chronic Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive and other conditionsUnited States
-
M.D. Anderson Cancer CenterNational Cancer Institute (NCI)Active, not recruitingHematopoietic and Lymphoid Cell Neoplasm | Recurrent Hodgkin Lymphoma | Myelodysplastic Syndrome | Recurrent Acute Myeloid Leukemia | Recurrent Myelodysplastic Syndrome | High Risk Myelodysplastic Syndrome | Recurrent Non-Hodgkin Lymphoma | Recurrent Acute Lymphoblastic Leukemia | Recurrent Chronic... and other conditionsUnited States
-
Turnstone Biologics, Corp.TakedaTerminatedRenal Cell Carcinoma | Cervical Cancer | Solid Tumor | Mesothelioma | Melanoma (Skin) | Oropharynx Cancer | HPV Positive Oropharyngeal Squamous Cell Carcinoma | Microsatellite Stable Colorectal Cancer | Cutaneous Squamous Cell CarcinomaUnited States, Canada, Korea, Republic of
-
Shattuck Labs, Inc.Active, not recruitingMelanoma | Renal Cell Carcinoma | Hodgkin Lymphoma | Gastric Adenocarcinoma | Non Small Cell Lung Cancer | Squamous Cell Carcinoma of the Head and Neck | Diffuse Large B Cell Lymphoma | Urothelial Carcinoma | Gastroesophageal Junction Adenocarcinoma | Squamous Cell Carcinoma of the Skin | Squamous Cell Carcinoma... and other conditionsUnited States, Canada, Belgium, Spain
-
M.D. Anderson Cancer CenterNational Cancer Institute (NCI)Active, not recruitingPeritoneal Carcinomatosis | Clinical Stage IV Gastric Cancer AJCC v8 | Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8 | Metastatic Gastric Adenocarcinoma | Metastatic Gastroesophageal Junction Adenocarcinoma | Postneoadjuvant Therapy Stage IV Gastroesophageal Junction Adenocarcinoma... and other conditionsUnited States
-
Universitätsklinikum Hamburg-EppendorfTerminatedDepressive Disorder | Myocardial Infarction | Heart Failure | Stroke | Coronary Disease | Diabetes Mellitus, Type 2 | Renal Insufficiency | Diabetes Mellitus, Type 1 | Schizophrenia | Pulmonary Disease, Chronic Obstructive | Peripheral Nervous System Diseases | Anxiety Disorders | Ischemic Attack, Transient | Arrhythmias... and other conditionsGermany
-
Cedars-Sinai Medical CenterWalter Reed National Military Medical CenterCompletedSarcoma | Neoplasms | Lymphoma | Lymphoma, Non-Hodgkin | Leukemia | Cancer | Breast Cancer | Head and Neck Cancer | Gynecologic Cancer | Glioblastoma | Multiple Myeloma | Colorectal Cancer | Hodgkin Lymphoma | Lung Cancer | Bone Cancer | Prostate Cancer | Brain Cancer | Skin Cancer | Pancreas Cancer | Gastrointestinal Cancer | Thyroid... and other conditionsUnited States
-
Eastern Cooperative Oncology GroupNational Cancer Institute (NCI)CompletedLymphoma | Testicular Germ Cell Tumor | Breast Cancer | Head and Neck Cancer | Colorectal Cancer | Tobacco Use Disorder | Lung Cancer | Prostate Cancer | Unspecified Adult Solid Tumor, Protocol Specific | Bladder CancerUnited States
-
National Cancer Institute (NCI)CompletedUnresectable Malignant Solid Neoplasm | Metastatic Malignant Solid Neoplasm | Recurrent Breast Carcinoma | Metastatic Triple-Negative Breast Carcinoma | Platinum-Resistant Fallopian Tube Carcinoma | Platinum-Resistant Primary Peritoneal Carcinoma | Platinum-Resistant Ovarian Carcinoma | Recurrent... and other conditionsUnited States
-
National Cancer Institute (NCI)WithdrawnAdvanced Lymphoma | Advanced Malignant Solid Neoplasm | Refractory B-Cell Non-Hodgkin Lymphoma | Refractory Lymphoma | Refractory Malignant Solid Neoplasm | Refractory Pancreatic Carcinoma | Refractory T-Cell Non-Hodgkin Lymphoma | Stage II Pancreatic Cancer AJCC v8 | Stage III Pancreatic Cancer AJCC... and other conditions
-
National Cancer Institute (NCI)CompletedStage IV Cutaneous Melanoma AJCC v6 and v7 | Recurrent Melanoma | Stage IIIC Cutaneous Melanoma AJCC v7 | Mucosal Melanoma | Iris Melanoma | Stage IIIA Cutaneous Melanoma AJCC v7 | Stage IIIB Cutaneous Melanoma AJCC v7 | Stage IV Uveal Melanoma AJCC v7 | Medium/Large Size Posterior Uveal Melanoma | Recurrent... and other conditionsUnited States
-
National Cancer Institute (NCI)CompletedRecurrent Thyroid Gland Carcinoma | Thyroid Gland Anaplastic Carcinoma | Stage III Differentiated Thyroid Gland Carcinoma AJCC v7 | Stage IVA Differentiated Thyroid Gland Carcinoma AJCC v7 | Stage IVB Differentiated Thyroid Gland Carcinoma AJCC v7 | Stage IVC Differentiated Thyroid Gland Carcinoma... and other conditionsUnited States, Taiwan, Australia, Singapore, China
-
National Cancer Institute (NCI)TerminatedUnspecified Adult Solid Tumor, Protocol Specific | HER2-positive Breast Cancer | Recurrent Melanoma | Male Breast Cancer | Stage IV Breast Cancer | Stage IV Melanoma | Extensive Stage Small Cell Lung Cancer | Recurrent Small Cell Lung Cancer | Recurrent Breast Cancer | Estrogen Receptor-negative Breast... and other conditionsUnited States
-
National Cancer Institute (NCI)NRG OncologyCompletedCervical Adenocarcinoma | Cervical Squamous Cell Carcinoma | Cervical Small Cell Carcinoma | Stage IB Cervical Cancer | Stage IIA Cervical Cancer | Stage IIB Cervical Cancer | Stage III Cervical Cancer | Stage IVA Cervical Cancer | Endometrial Clear Cell Carcinoma | Stage III Endometrial Carcinoma | Cervical... and other conditionsUnited States, Korea, Republic of, Japan, Canada
-
Millennium Pharmaceuticals, Inc.CompletedMultiple Myeloma | Waldenstrom's Macroglobulinemia | Anaplastic Large Cell Lymphoma | Angioimmunoblastic T-cell Lymphoma | Diffuse Large B-cell Lymphoma | B-Cell Chronic Lymphocytic Leukemia | Enteropathy Associated T-cell Lymphoma | B-cell Follicular Lymphoma | B-cell Marginal Zone Lymphoma | B-cell Mantle... and other conditionsUnited States
-
Ohio State University Comprehensive Cancer CenterMillennium Pharmaceuticals, Inc.TerminatedExtranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue | Nodal Marginal Zone B-cell Lymphoma | Recurrent Adult Burkitt Lymphoma | Recurrent Adult Diffuse Large Cell Lymphoma | Recurrent Grade 1 Follicular Lymphoma | Recurrent Grade 2 Follicular Lymphoma | Recurrent Grade... and other conditionsUnited States
-
City of Hope Medical CenterNational Cancer Institute (NCI)CompletedExtranodal Marginal Zone B-cell Lymphoma of Mucosa-associated Lymphoid Tissue | Nodal Marginal Zone B-cell Lymphoma | Recurrent Adult Diffuse Small Cleaved Cell Lymphoma | Recurrent Grade 1 Follicular Lymphoma | Recurrent Grade 2 Follicular Lymphoma | Recurrent Marginal Zone Lymphoma | Splenic... and other conditionsUnited States
-
Dartmouth-Hitchcock Medical CenterNational Cancer Institute (NCI)CompletedSarcoma | Breast Cancer | Head and Neck Cancer | Gastric Cancer | Pancreatic Cancer | Esophageal Cancer | Ovarian Cancer | Lung Cancer | Prostate Cancer | Bladder Cancer | Melanoma (Skin) | Carcinoma of Unknown PrimaryUnited States
-
National Cancer Institute (NCI)CompletedRecurrent Adult Acute Myeloid Leukemia | Adult Acute Promyelocytic Leukemia (M3) | Childhood Myelodysplastic Syndromes | Previously Treated Myelodysplastic Syndromes | Recurrent Adult Acute Lymphoblastic Leukemia | Recurrent Childhood Acute Lymphoblastic Leukemia | Recurrent Childhood Acute Myeloid... and other conditionsUnited States
-
National Cancer Institute (NCI)RecruitingLocally Advanced Chondrosarcoma | Metastatic Chondrosarcoma | Metastatic Sinonasal Adenocarcinoma | Locally Advanced Sinonasal Adenocarcinoma | Metastatic Large-cell Neuroendocrine Carcinoma | Locally Advanced Large-cell Neuroendocrine Carcinoma | Metastatic Olfactory Neuroblastoma | Locally Advanced... and other conditionsUnited States
-
Cancer Research UKHeptares Therapeutics LimitedRecruitingSarcoma | Neoplasms | Kidney Neoplasms | Uterine Cervical Neoplasms | Stomach Neoplasms | Head and Neck Neoplasms | Lung Neoplasms | Urinary Bladder Neoplasms | Colorectal Neoplasms | Pancreatic Neoplasms | Esophageal Neoplasms | Mesothelioma, Malignant | Prostatic Neoplasms, Castration-Resistant | PheochromocytomasUnited Kingdom
-
Children's Oncology GroupRecruitingRecurrent Acute Lymphoblastic Leukemia | Refractory Acute Lymphoblastic Leukemia | Recurrent Mixed Phenotype Acute Leukemia | Refractory Mixed Phenotype Acute Leukemia | Refractory Acute Leukemia of Ambiguous Lineage | Recurrent Acute Leukemia of Ambiguous Lineage | Recurrent Acute Myeloid Leukemia... and other conditionsUnited States
-
ECOG-ACRIN Cancer Research GroupNational Cancer Institute (NCI)RecruitingMetastatic Head and Neck Squamous Cell Carcinoma | Clinical Stage IV HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8 | Stage IV Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8 | Stage IV Hypopharyngeal Carcinoma AJCC v8 | Stage IV Laryngeal Cancer AJCC v8 | Stage... and other conditionsUnited States
-
Peking University People's HospitalHangzhou Newhorizon Health Technology Co., Ltd.; Hangzhou Mingze Medical Research... and other collaboratorsRecruitingCervical Cancer | Cervical Adenocarcinoma | Cervical Squamous Cell Carcinoma | Human Papillomavirus Infection | Human Papilloma Virus | Adenocarcinoma in Situ | High-Grade Squamous Intraepithelial Lesions | Cervical Intraepithelial Neoplasia Grade II | Cervical Intraepithelial Neoplasia, Grade III | Atypical... and other conditionsChina
-
Guardant Health, Inc.RecruitingRenal Cell Carcinoma | Pancreatic Adenocarcinoma | Gastric Adenocarcinoma | Squamous Cell Carcinoma of the Head and Neck | Non-small Cell Lung Cancer | Fallopian Tube Carcinoma | Endometrial Carcinoma | Bladder Carcinoma | Esophageal Carcinoma | Invasive Breast Carcinoma | Cutaneous Melanoma | Epithelial Ovarian... and other conditionsUnited States
-
All Natural Medicine Clinic, LLCRecruitingDepression | Anxiety Disorders | Hepatitis | Insomnia | Gastro Esophageal Reflux | GERD | Glomerulonephritis | Depression, Anxiety | Depression, Bipolar | Sequelae of; Infection | Post Infection Glomerulonephritis | Post-Infectious Peripheral Neuralgia | Post-Infectious Disorder (Disorder) | Post-Infectious Arthritis and other conditionsUnited States
-
Newave Pharmaceutical IncRecruitingAcute Myeloid Leukemia | Multiple Myeloma | Myelofibrosis | Chronic Lymphocytic Leukemia | Non Hodgkin Lymphoma | Acute Lymphocytic Leukemia | Myelodysplastic/Myeloproliferative Neoplasm | Small Lymphocytic Lymphoma | Chronic Myelomonocytic Leukemia-2 | Richter Transformation | T-cell-prolymphocytic Leukemia and other conditionsUnited States
-
Alliance for Clinical Trials in OncologyNational Cancer Institute (NCI); Seagen Inc.RecruitingAnatomic Stage IA Breast Cancer AJCC v8 | Anatomic Stage II Breast Cancer AJCC v8 | Anatomic Stage IIA Breast Cancer AJCC v8 | Anatomic Stage IIB Breast Cancer AJCC v8 | Anatomic Stage III Breast Cancer AJCC v8 | Anatomic Stage IIIA Breast Cancer AJCC v8 | Anatomic Stage IIIB Breast Cancer AJCC... and other conditionsUnited States, Canada, Puerto Rico
-
Future Genetics LimitedRecruitingDepression | Cardiovascular Diseases | Heart Failure | Epilepsy | Hypertension | Obesity | Diabetes Mellitus | Cancer | Chronic Kidney Diseases | Chronic Obstructive Pulmonary Disease | Rheumatoid Arthritis | Peripheral Arterial Disease | Atrial Fibrillation | Asthma | Dementia | Blood Pressure | Coronary Heart Disease | Mental... and other conditionsUnited Kingdom
-
Rutgers, The State University of New JerseyNational Cancer Institute (NCI)RecruitingBRCA1 Gene Mutation | BRCA2 Gene Mutation | Recurrent Ovarian Carcinoma | Recurrent Malignant Solid Neoplasm | Metastatic Malignant Solid Neoplasm | Stage IV Breast Cancer AJCC v6 and v7 | Stage III Breast Cancer AJCC v7 | Stage IIIA Breast Cancer AJCC v7 | Stage IIIB Breast Cancer AJCC v7 | Stage IIIC... and other conditionsUnited States
-
Checkpoint Therapeutics, Inc.Novotech (Australia) Pty LimitedRecruitingMelanoma | Renal Cell Carcinoma | Head and Neck Cancer | Carcinoma, Non-Small-Cell Lung | Lung Neoplasms | Non Hodgkin Lymphoma | Endometrial Cancer | Carcinoma, Small Cell | Urothelial Carcinoma | Classical Hodgkin Lymphoma | Merkel Cell Carcinoma | Cutaneous Squamous Cell Carcinoma | Malignant Mesothelioma, AdvancedAustralia, New Zealand, Thailand, Ukraine, Spain, Russian Federation, France, Poland, South Africa
-
M.D. Anderson Cancer CenterActive, not recruitingLung Non-Small Cell Squamous Carcinoma | Stage IIA Lung Cancer AJCC v8 | Neuroendocrine Carcinoma | Lung Atypical Carcinoid Tumor | Minimally Invasive Lung Adenocarcinoma | Lung Neuroendocrine Neoplasm | Stage I Lung Cancer AJCC v8 | Stage IA1 Lung Cancer AJCC v8 | Stage IA2 Lung Cancer AJCC v8 | Stage... and other conditionsUnited States
-
National Cancer Institute (NCI)NRG OncologyActive, not recruitingRecurrent Fallopian Tube Carcinoma | Recurrent Primary Peritoneal Carcinoma | Primary Peritoneal High Grade Serous Adenocarcinoma | Malignant Ovarian Endometrioid Tumor | Ovarian High Grade Serous Adenocarcinoma | Platinum-Sensitive Ovarian Carcinoma | Fallopian Tube High Grade Serous Adenocarcinoma and other conditionsUnited States
-
Hoffmann-La RocheCompletedNeoplasms | Neoplasms by Histologic Type | Lung Diseases | Neoplasms by Site | Adenocarcinoma | Carcinoma | Neoplasms, Glandular and Epithelial | Endocrine System Diseases | Gastrointestinal Neoplasms | Neoplasms, Germ Cell and Embryonal | Head and Neck Neoplasms | Carcinoma, Non-Small-Cell Lung | Respiratory Tract... and other conditionsFrance, Spain, United States, Korea, Republic of, United Kingdom, Taiwan, China, Belgium, Singapore, Netherlands, Germany, Italy, Hong Kong
-
M.D. Anderson Cancer CenterNational Cancer Institute (NCI)Active, not recruitingHydronephrosis | Infiltrating Bladder Urothelial Carcinoma, Plasmacytoid Variant | Stage III Bladder Urothelial Carcinoma AJCC v6 and v7 | Stage III Renal Pelvis Cancer AJCC v7 | Stage III Ureter Cancer AJCC v7 | Stage III Urethral Cancer AJCC v7 | Stage IV Renal Pelvis Cancer AJCC v7 | Stage IV... and other conditionsUnited States
-
Seagen Inc.TerminatedUterine Cervical Neoplasms | Stomach Neoplasms | Colorectal Neoplasms | Esophageal Neoplasms | Ovarian Neoplasms | Endometrial Neoplasms | Pseudomyxoma Peritonei | Carcinoma, Non-Small Cell Lung | Gastroesophageal Junction Carcinoma | HER2 Negative Breast Neoplasms | Exocrine Pancreatic Adenocarcinoma | Appendiceal...United States, United Kingdom, Canada, Spain, France, Italy
-
City of Hope Medical CenterNational Cancer Institute (NCI)Active, not recruitingMelanoma | Soft Tissue Sarcoma | Renal Cell Carcinoma | Hepatocellular Carcinoma | Head and Neck Squamous Cell Carcinoma | Bladder Carcinoma | Colon Carcinoma | Pancreatic Carcinoma | Rectal Carcinoma | Estrogen Receptor Negative | HER2/Neu Negative | Progesterone Receptor Negative | Triple-Negative Breast Carcinoma and other conditionsUnited States
-
National Cancer Institute (NCI)Active, not recruitingRecurrent Fallopian Tube Carcinoma | Recurrent Ovarian Carcinoma | Recurrent Primary Peritoneal Carcinoma | Ovarian Clear Cell Cystadenocarcinoma | Ovarian Endometrioid Adenocarcinoma | Ovarian Seromucinous Carcinoma | Ovarian Serous Cystadenocarcinoma | Ovarian Undifferentiated Carcinoma | Ovarian... and other conditionsUnited States, Canada, Singapore
-
TCR2 TherapeuticsActive, not recruitingColorectal Neoplasms | Colorectal Cancer | Pancreatic Neoplasms | Pancreatic Cancer | Pancreatic Adenocarcinoma | Ovarian Neoplasms | Ovarian Cancer | Non Small Cell Lung Cancer | Mesothelioma | Mesothelioma, Malignant | Cholangiocarcinoma | Triple Negative Breast Cancer | Ovarian Adenocarcinoma | Mesotheliomas Pleural and other conditionsUnited States