Search clinical trials for: night recording

Total 3153 results

M.D. Anderson Cancer Center
National Cancer Institute (NCI)

Completed

First-Line Treatment of Bevacizumab, Carboplatin, and Paclitaxel in Treating Participants With Stage III-IV Ovarian, Primary Peritoneal, and Fallopian Tube Cancer

Ovarian Endometrioid Adenocarcinoma | Ovarian Seromucinous Carcinoma | Ovarian Undifferentiated Carcinoma | Fallopian Tube Carcinoma | Ovarian Clear Cell Adenocarcinoma | Ovarian Mucinous Adenocarcinoma | Fallopian Tube Transitional Cell Carcinoma | Ovarian Transitional Cell Carcinoma | Fallopian Tube... and other conditions

United States
Lewai Sharki Abdulaziz, MSc PhD
Al-Kindy College of Medicine; Research & Development Directorate, Ministry...

Completed

Screening for Colorectal Cancer in Average and High Risk Population

Colorectal Neoplasms | Colorectal Cancer | Adenomatous Polyp of Colon

Iraq
National Cancer Institute (NCI)

Completed

Bevacizumab and Low-Dose Cyclophosphamide in Treating Patients With Recurrent Ovarian Epithelial or Primary Peritoneal Cancer

Recurrent Ovarian Carcinoma | Primary Peritoneal Carcinoma | Stage IV Ovarian Cancer

United States
NRG Oncology
National Cancer Institute (NCI)

Active, not recruiting

Circulating Tumor DNA Testing in Predicting Treatment for Patients With Stage IIA Colon Cancer After Surgery

Colon Adenocarcinoma | Stage IIA Colon Cancer AJCC v8

United States, Canada, Puerto Rico
M.D. Anderson Cancer Center
National Cancer Institute (NCI)

Active, not recruiting

Docetaxel, Cisplatin and Fluorouracil in Treating Patients With Previously Untreated Stage II-IV Nasal Cavity and Paranasal Sinus Cancer

Sinonasal Undifferentiated Carcinoma | Locally Advanced Nasal Cavity and Paranasal Sinus Squamous Cell Carcinoma | Nasal Cavity and Paranasal Sinus Poorly Differentiated Carcinoma | Stage II Nasal Cavity and Paranasal Sinus Cancer AJCC v8 | Stage III Nasal Cavity and Paranasal Sinus Cancer... and other conditions

United States
National Cancer Institute (NCI)

Completed

Atezolizumab and Bevacizumab in Treating Patients With Recurrent, Persistent, or Metastatic Cervical Cancer

Cervical Adenocarcinoma | Cervical Adenosquamous Carcinoma | Cervical Squamous Cell Carcinoma, Not Otherwise Specified | Stage IVA Cervical Cancer AJCC v6 and v7 | Recurrent Cervical Carcinoma | Stage IV Cervical Cancer AJCC v6 and v7 | Stage IVB Cervical Cancer AJCC v6 and v7

United States
Northwestern University
National Cancer Institute (NCI); Ipsen Biopharmaceuticals

Completed

Irinotecan Liposome and Bevacizumab for the Treatment of Platinum Resistant, Recurrent, or Refractory Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

Recurrent Fallopian Tube Carcinoma | Recurrent Ovarian Carcinoma | Recurrent Primary Peritoneal Carcinoma | Platinum-Resistant Fallopian Tube Carcinoma | Platinum-Resistant Primary Peritoneal Carcinoma | Platinum-Resistant Ovarian Carcinoma | Refractory Ovarian Carcinoma | Refractory Fallopian Tube... and other conditions

United States
National Cancer Institute (NCI)

Completed

Bevacizumab, Sorafenib Tosylate, and Temsirolimus in Treating Patients With Metastatic Kidney Cancer

Clear Cell Renal Cell Carcinoma | Recurrent Renal Cell Carcinoma | Stage IV Renal Cell Cancer AJCC v7

United States, Peru
Jonsson Comprehensive Cancer Center
Bristol-Myers Squibb; NovoCure Ltd.

Active, not recruiting

Nivolumab in Combination With Chemotherapy Pre-Surgery in Treating Patients With Borderline Resectable Pancreatic Cancer

Borderline Resectable Pancreatic Adenocarcinoma | Resectable Pancreatic Ductal Adenocarcinoma

United States
M.D. Anderson Cancer Center

Recruiting

Atezolizumab and Bevacizumab Before Surgery for the Treatment of Resectable Liver Cancer

Stage IB Hepatocellular Carcinoma AJCC v8 | Stage II Hepatocellular Carcinoma AJCC v8 | Resectable Hepatocellular Carcinoma | Stage I Hepatocellular Carcinoma AJCC v8 | Stage IA Hepatocellular Carcinoma AJCC v8

United States
National Cancer Institute (NCI)
NRG Oncology

Terminated

Gemcitabine Hydrochloride and Docetaxel With or Without Bevacizumab in Treating Patients With Advanced or Recurrent Uterine Leiomyosarcoma

Recurrent Uterine Corpus Sarcoma | Uterine Corpus Leiomyosarcoma | Stage IIIA Uterine Sarcoma | Stage IIIB Uterine Sarcoma | Stage IIIC Uterine Sarcoma | Stage IVA Uterine Sarcoma | Stage IVB Uterine Sarcoma

United States
National Cancer Institute (NCI)
Radiation Therapy Oncology Group; American College of Radiology Imaging Network

Completed

Bevacizumab and Irinotecan or Temozolomide in Treating Patients With Recurrent or Refractory Glioblastoma Multiforme or Gliosarcoma

Adult Glioblastoma | Adult Gliosarcoma | Recurrent Adult Brain Neoplasm

United States
Academic and Community Cancer Research United
National Cancer Institute (NCI)

Active, not recruiting

Capecitabine and Bevacizumab With or Without Atezolizumab in Treating Patients With Refractory Metastatic Colorectal Cancer

Stage IV Colorectal Cancer AJCC v7 | Stage IVA Colorectal Cancer AJCC v7 | Stage IVB Colorectal Cancer AJCC v7 | Recurrent Colorectal Carcinoma | Metastatic Colorectal Carcinoma | Refractory Colorectal Carcinoma

United States
M.D. Anderson Cancer Center
National Cancer Institute (NCI)

Active, not recruiting

Bevacizumab and Atezolizumab With or Without Cobimetinib in Treating Patients With Untreated Melanoma Brain Metastases

Metastatic Melanoma | Clinical Stage IV Cutaneous Melanoma AJCC v8 | Pathologic Stage IV Cutaneous Melanoma AJCC v8 | Metastatic Malignant Neoplasm in the Brain | Refractory Melanoma | BRAF V600 Wild Type | Intracranial Melanoma

United States
National Cancer Institute (NCI)
NRG Oncology

Active, not recruiting

Carboplatin, Paclitaxel and Gemcitabine Hydrochloride With or Without Bevacizumab After Surgery in Treating Patients With Recurrent Ovarian, Epithelial, Primary Peritoneal, or Fallopian Tube Cancer

Recurrent Fallopian Tube Carcinoma | Recurrent Ovarian Carcinoma | Recurrent Primary Peritoneal Carcinoma | Ovarian Endometrioid Adenocarcinoma | Ovarian Seromucinous Carcinoma | Ovarian Undifferentiated Carcinoma | Ovarian Clear Cell Adenocarcinoma | Fallopian Tube Transitional Cell Carcinoma | Mucinous... and other conditions

United States, Korea, Republic of, Japan
Roswell Park Cancer Institute
National Comprehensive Cancer Network

Active, not recruiting

TAS-102, Irinotecan, and Bevacizumab for the Treatment of Pre-treated Metastatic or Unresectable Colorectal Cancer, the TABAsCO Study

Metastatic Colon Adenocarcinoma | Metastatic Rectal Adenocarcinoma | Stage III Colon Cancer AJCC v8 | Stage III Rectal Cancer AJCC v8 | Stage IIIA Colon Cancer AJCC v8 | Stage IIIB Rectal Cancer AJCC v8 | Stage IIIC Colon Cancer AJCC v8 | Stage IV Colon Cancer AJCC v8 | Stage IVA Colorectal Cancer AJCC... and other conditions

United States
Memorial Sloan Kettering Cancer Center
National Cancer Institute (NCI)

Completed

Monoclonal Antibody 3F8 and Sargramostim in Treating Patients With Neuroblastoma

Neuroblastoma

United States
National Cancer Institute (NCI)

Active, not recruiting

Testing the Addition of an Anticancer Drug, BAY 1895344, to the Usual Chemotherapy With FOLFIRI in Advanced or Metastatic Cancers of the Stomach and Intestines

Clinical Stage III Gastric Cancer AJCC v8 | Clinical Stage III Gastroesophageal Junction Adenocarcinoma AJCC v8 | Clinical Stage IV Gastric Cancer AJCC v8 | Clinical Stage IV Gastroesophageal Junction Adenocarcinoma AJCC v8 | Metastatic Gastroesophageal Junction Adenocarcinoma | Metastatic... and other conditions

United States
National Cancer Institute (NCI)
NRG Oncology

Recruiting

Combination Chemotherapy, Bevacizumab, and/or Atezolizumab in Treating Patients With Deficient DNA Mismatch Repair Metastatic Colorectal Cancer, the COMMIT Study

Metastatic Colorectal Adenocarcinoma | Stage IV Colorectal Cancer AJCC v7

United States
National Cancer Institute (NCI)

Not yet recruiting

Anti-Lag-3 (Relatlinib) and Anti-PD-1 Blockade (Nivolumab) Versus Standard of Care (Lomustine) for the Treatment of Patients With Recurrent Glioblastoma

Recurrent Glioblastoma
National Cancer Institute (NCI)

Completed

Cediranib, Temozolomide, and Radiation Therapy in Treating Patients With Newly Diagnosed Glioblastoma

Adult Giant Cell Glioblastoma | Adult Glioblastoma | Adult Gliosarcoma

United States
National Cancer Institute (NCI)

Completed

Trebananib With or Without Bevacizumab, Pazopanib Hydrochloride, Sorafenib Tosylate, or Sunitinib Malate in Treating Patients With Advanced Kidney Cancer

Advanced Renal Cell Carcinoma | Stage III Renal Cell Cancer AJCC v7 | Stage IV Renal Cell Cancer AJCC v7 | Advanced Sarcomatoid Renal Cell Carcinoma

United States
National Cancer Institute (NCI)
NRG Oncology; Radiation Therapy Oncology Group

Completed

Temozolomide and Radiation Therapy With or Without Bevacizumab in Treating Patients With Newly Diagnosed Glioblastoma

Glioblastoma | Gliosarcoma | Supratentorial Glioblastoma

United States, Canada, Israel
National Cancer Institute (NCI)

Recruiting

Testing the Role of DNA Released From Tumor Cells Into the Blood in Guiding the Use of Immunotherapy After Surgical Removal of the Bladder for Bladder Cancer Treatment, MODERN Study

Stage III Bladder Urothelial Carcinoma AJCC v6 and v7 | Stage IV Bladder Urothelial Carcinoma AJCC v7 | Stage II Bladder Urothelial Carcinoma AJCC v6 and v7 | Muscle Invasive Bladder Urothelial Carcinoma

United States
Therapeutic Advances in Childhood Leukemia Consortium
Enzon Pharmaceuticals, Inc.

Terminated

EZN-3042 Administered With Re-induction Chemotherapy in Children With Relapsed Acute Lymphoblastic Leukemia (ALL)

Lymphoblastic Leukemia, Acute, Childhood | Leukemia, Lymphoblastic, Acute | Lymphoblastic Leukemia, Acute | Leukemia, Lymphoblastic, Acute, T Cell

United States, Australia
National Cancer Institute (NCI)
NRG Oncology

Completed

Bevacizumab With or Without Trebananib in Treating Patients With Recurrent Brain Tumors

Glioblastoma | Gliosarcoma | Recurrent Glioblastoma | Oligodendroglioma | Giant Cell Glioblastoma | Recurrent Brain Neoplasm

United States, Canada
Academic and Community Cancer Research United
National Cancer Institute (NCI)

Completed

Nab-Paclitaxel and Bevacizumab or Ipilimumab as First-Line Therapy in Treating Patients With Stage IV Melanoma That Cannot Be Removed by Surgery

Metastatic Melanoma | Stage IV Cutaneous Melanoma AJCC v6 and v7 | Unresectable Melanoma | Mucosal Melanoma | Stage IV Uveal Melanoma AJCC v7

United States
M.D. Anderson Cancer Center
National Cancer Institute (NCI)

Active, not recruiting

Bevacizumab and Temsirolimus Alone or in Combination With Valproic Acid or Cetuximab in Treating Patients With Advanced or Metastatic Malignancy or Other Benign Disease

Castleman Disease | Lymphangioleiomyomatosis | Digestive System Carcinoma | Malignant Neoplasm | Recurrent Breast Carcinoma | Recurrent Thyroid Gland Carcinoma | Metastatic Urothelial Carcinoma | Malignant Female Reproductive System Neoplasm | Neurofibromatosis Type 2 | Recurrent Adult Soft Tissue Sarcoma and other conditions

United States
Academic and Community Cancer Research United
National Cancer Institute (NCI)

Completed

Irinotecan and Cetuximab With or Without Bevacizumab in Treating Patients With RAS Wild-Type Locally Advanced or Metastatic Colorectal Cancer That Cannot Be Removed by Surgery

Stage IV Colorectal Cancer AJCC v7 | Stage IVA Colorectal Cancer AJCC v7 | Stage IVB Colorectal Cancer AJCC v7 | Colorectal Adenocarcinoma | RAS Wild Type

United States
Academic and Community Cancer Research United
National Cancer Institute (NCI)

Active, not recruiting

Liposomal Irinotecan, Fluorouracil, Leucovorin Calcium, and Rucaparib in Treating Patients With Metastatic Pancreatic, Colorectal, Gastroesophageal, or Biliary Cancer

Metastatic Pancreatic Adenocarcinoma | Stage IV Pancreatic Cancer AJCC v6 and v7 | Stage IV Colorectal Cancer AJCC v7 | Stage IVA Colorectal Cancer AJCC v7 | Stage IVB Colorectal Cancer AJCC v7 | Metastatic Gastroesophageal Junction Adenocarcinoma | Metastatic Colorectal Carcinoma | Metastatic Malignant... and other conditions

United States
Mayo Clinic
National Cancer Institute (NCI)

Completed

Avatar-Directed Chemotherapy in Treating Patients With Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

Recurrent Fallopian Tube Carcinoma | Recurrent Ovarian Carcinoma | Recurrent Primary Peritoneal Carcinoma

United States
Roswell Park Cancer Institute
National Cancer Institute (NCI); Merck Sharp & Dohme LLC; Celldex Therapeutics

Recruiting

Pembrolizumab Combined With Bevacizumab With or Without Agonist Anti-CD40 CDX-1140 for the Treatment of Patients With Recurrent Ovarian Cancer

Recurrent Fallopian Tube Carcinoma | Recurrent Ovarian Carcinoma | Recurrent Primary Peritoneal Carcinoma | Recurrent Endometrial Serous Adenocarcinoma | Ovarian Clear Cell Adenocarcinoma | Recurrent Platinum-Resistant Ovarian Carcinoma | Platinum-Sensitive Ovarian Carcinoma | Recurrent Fallopian... and other conditions

United States
M.D. Anderson Cancer Center

Active, not recruiting

Ensartinib, Carboplatin, Pemetrexed and Bevacizumab for the Treatment of Stage IIIC or IV or Recurrent ALK-Positive Non-small Cell Lung Cancer

Metastatic Lung Non-Small Cell Carcinoma | Stage IVA Lung Cancer AJCC v8 | Stage IVB Lung Cancer AJCC v8 | Stage IV Lung Cancer AJCC v8 | Stage IIIC Lung Cancer AJCC v8 | Recurrent Lung Non-Small Cell Carcinoma

United States
National Cancer Institute (NCI)
Radiation Therapy Oncology Group

Completed

Bevacizumab, Radiation Therapy, and Cisplatin in Treating Patients With Previously Untreated Locally Advanced Cervical Cancer

Cervical Adenocarcinoma | Cervical Adenosquamous Carcinoma | Cervical Squamous Cell Carcinoma, Not Otherwise Specified | Stage IIA Cervical Cancer AJCC v7 | Stage IIB Cervical Cancer AJCC v6 and v7 | Stage III Cervical Cancer AJCC v6 and v7 | Stage IB Cervical Cancer AJCC v6 and v7

United States, Canada
Hospital de Clinicas de Porto Alegre

Unknown

Interpersonal Psychotherapy for Treatment Resistant Depression

Treatment Resistant Depression

Brazil
University of Washington
United States Department of Defense

Recruiting

Concurrent WOKVAC Vaccination, Chemotherapy, and HER2-Targeted Monoclonal Antibody Therapy Before Surgery for the Treatment of Patients With Breast Cancer

Anatomic Stage I Breast Cancer AJCC v8 | Anatomic Stage IA Breast Cancer AJCC v8 | Anatomic Stage IB 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... and other conditions

United States
National Cancer Institute (NCI)

Active, not recruiting

TORC1/2 Inhibitor MLN0128 and Bevacizumab in Treating Patients With Recurrent Glioblastoma or Advanced Solid Tumors

Recurrent Fallopian Tube Carcinoma | Recurrent Ovarian Carcinoma | Recurrent Primary Peritoneal Carcinoma | Ovarian Clear Cell Cystadenocarcinoma | Ovarian Endometrioid Adenocarcinoma | Ovarian Serous Cystadenocarcinoma | Endometrial Clear Cell Adenocarcinoma | Endometrial Serous Adenocarcinoma | Recurrent... and other conditions

United States
National Cancer Institute (NCI)
NRG Oncology

Completed

Pegylated Liposomal Doxorubicin Hydrochloride, Carboplatin, Veliparib, and Bevacizumab in Treating Patients With Recurrent Ovarian Cancer, Primary Peritoneal Cancer, or Fallopian Tube Cancer

Recurrent Fallopian Tube Carcinoma | Recurrent Ovarian Carcinoma | Recurrent Primary Peritoneal Carcinoma | Ovarian Clear Cell Cystadenocarcinoma | Ovarian Endometrioid Adenocarcinoma | Ovarian Seromucinous Carcinoma | Ovarian Serous Cystadenocarcinoma | Undifferentiated Ovarian Carcinoma

United States
Canadian Network for Observational Drug Effect...
Canadian Institutes of Health Research (CIHR); Drug Safety and Effectiveness...

Completed

Incretin-based Drugs and the Risk of Heart Failure

Type 2 Diabetes Mellitus

Canada
M.D. Anderson Cancer Center

Recruiting

IACS-6274 With or Without Bevacizumab and Paclitaxel for the Treatment of Advanced Solid Tumors

Chondrosarcoma | Advanced Malignant Solid Neoplasm | Stage III Uterine Corpus Cancer AJCC v8 | Stage IV Uterine Corpus Cancer AJCC v8 | Stage IVA Uterine Corpus Cancer AJCC v8 | Stage IVB Uterine Corpus Cancer AJCC v8 | Clinical Stage III Cutaneous Melanoma AJCC v8 | Pathologic Stage IIIB Cutaneous... and other conditions

United States
National Cancer Institute (NCI)

Active, not recruiting

Ipilimumab With or Without Bevacizumab in Treating Patients With Stage III-IV Melanoma That Cannot Be Removed by Surgery

Stage IV Cutaneous Melanoma AJCC v6 and v7 | Stage IIIC Cutaneous Melanoma AJCC v7 | Unresectable Melanoma

United States
National Cancer Institute (NCI)

Completed

Vinorelbine Tartrate and Cyclophosphamide in Combination With Bevacizumab or Temsirolimus in Treating Patients With Recurrent or Refractory Rhabdomyosarcoma

Recurrent Childhood Rhabdomyosarcoma | Recurrent Adult Soft Tissue Sarcoma | Previously Treated Childhood Rhabdomyosarcoma | Adult Rhabdomyosarcoma | Childhood Alveolar Rhabdomyosarcoma | Childhood Pleomorphic Rhabdomyosarcoma | Childhood Rhabdomyosarcoma With Mixed Embryonal and Alveolar Features

United States, Canada, Australia, New Zealand
M.D. Anderson Cancer Center
National Cancer Institute (NCI)

Active, not recruiting

New and Emerging Therapies for the Treatment of Resectable, Borderline Resectable, or Locally Advanced Pancreatic Cancer, PIONEER-Panc Study

Borderline Resectable Pancreatic Adenocarcinoma | Resectable Pancreatic Ductal Adenocarcinoma | Locally Advanced Pancreatic Ductal Adenocarcinoma

United States
Roswell Park Cancer Institute
National Cancer Institute (NCI)

Recruiting

APL-2 and Pembrolizumab Versus APL-2, Pembrolizumab and Bevacizumab Versus Bevacizumab Alone for the Treatment of Recurrent Ovarian, Fallopian Tube, or Primary Peritoneal Cancer and Malignant Effusion

Recurrent Fallopian Tube Carcinoma | Recurrent Ovarian Carcinoma | Recurrent Primary Peritoneal Carcinoma | Ovarian Endometrioid Adenocarcinoma | Ovarian Clear Cell Adenocarcinoma | Fallopian Tube Clear Cell Adenocarcinoma | Fallopian Tube Endometrioid Adenocarcinoma | Fallopian Tube Serous Adenocarcinoma and other conditions

United States
National Cancer Institute (NCI)

Active, not recruiting

Bevacizumab and Anetumab Ravtansine or Paclitaxel in Treating Patients With Refractory Ovarian, Fallopian Tube, or Primary Peritoneal Cancer

Ovarian Endometrioid Adenocarcinoma | Primary Peritoneal High Grade Serous Adenocarcinoma | Fallopian Tube Endometrioid Adenocarcinoma | Platinum-Resistant Fallopian Tube Carcinoma | Platinum-Resistant Primary Peritoneal Carcinoma | Ovarian High Grade Serous Adenocarcinoma | Platinum-Resistant... and other conditions

United States, Canada
National Cancer Institute (NCI)
NRG Oncology

Completed

Paclitaxel and Cisplatin or Topotecan With or Without Bevacizumab in Treating Patients With Stage IVB, Recurrent, or Persistent Cervical Cancer

Cervical Adenocarcinoma | Cervical Adenosquamous Carcinoma | Cervical Squamous Cell Carcinoma | Recurrent Cervical Carcinoma | Stage IVB Cervical Cancer

United States, Spain
Mayo Clinic
National Cancer Institute (NCI)

Active, not recruiting

Nab-Paclitaxel and Bevacizumab in Treating Patients With Unresectable Stage IV Melanoma or Gynecological Cancers

Malignant Solid Neoplasm | Ovarian Endometrioid Adenocarcinoma | Ovarian Undifferentiated Carcinoma | Cervical Adenocarcinoma | Cervical Adenosquamous Carcinoma | Malignant Peritoneal Neoplasm | Endometrial Clear Cell Adenocarcinoma | Endometrial Endometrioid Adenocarcinoma | Endometrial Mixed Cell... and other conditions

United States
National Cancer Institute (NCI)

Active, not recruiting

Combination Chemotherapy With or Without Atezolizumab in Treating Patients With Stage III Colon Cancer and Deficient DNA Mismatch Repair

Lynch Syndrome | Stage III Colon Cancer AJCC v8 | Colon Adenocarcinoma | DNA Repair Disorder

United States, Puerto Rico, Germany
National Cancer Institute (NCI)
NRG Oncology

Active, not recruiting

Gemcitabine Hydrochloride With or Without Erlotinib Hydrochloride Followed by the Same Chemotherapy Regimen With or Without Radiation Therapy and Capecitabine or Fluorouracil in Treating Patients With Pancreatic Cancer That Has Been Removed by Surgery

Pancreatic Adenocarcinoma | Pancreatic Ductal Adenocarcinoma | Pancreatic Intraductal Papillary-Mucinous Neoplasm | Stage I Pancreatic Cancer AJCC v6 and v7 | Stage II Pancreatic Cancer AJCC v6 and v7

United States, Canada, Israel, Belgium
National Cancer Institute (NCI)

Active, not recruiting

Cediranib Maleate and Olaparib Compared to Bevacizumab in Treating Patients With Recurrent Glioblastoma

Recurrent Glioblastoma

United States

Search clinical trials for: night recording

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Singapore

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations