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AI · cancer

Намерени 1,748 изпитвания за "cancer" Стр. 59 от 88

Активно (без набиране) Фаза 2

A Study of Disitamab Vedotin in Previously Treated Solid Tumors That Express HER2

Carcinoma, Non-Small-Cell Lung Ovarian Neoplasms Endometrial Neoplasms Head and Neck Neoplasms

This clinical trial is studying advanced or metastatic solid tumors. Once a solid tumor has grown very large in one spot or has spread to other places in the body, it is called advanced or metastatic cancer. Participants in this study must have head and neck cancer, non-small cell lung cancer, endometrial cancer, or ovarian cancer. In the first part of the study, participants must have tumors that have a marker called HER2. This clinical trial uses an experimental drug called disitamab vedotin (DV). DV is a type of antibody-drug conjugate or ADC. ADCs are designed to stick to cancer cells and kill them. In this study, all participants will get DV once every 2 weeks. This study is being done to see if DV works to treat different types of solid tumors that express HER2. It will also test how safe the drug is for participants. This trial will also study what side effects happen when participants get the drug. A side effect is anything a drug does to your body besides treating the disease.

Начало: 14.11.2023 Край: 31.05.2028 Възраст: от 18 г. Лечение

Australia, Canada, Italy +4 Seagen, a wholly owned subsidiary of Pfizer NCT06003231

Активно (без набиране)

Prospective Validation of an EHR-based Pancreatic Cancer Risk Model

Pancreatic Adenocarcinoma Predictive Cancer Model

The goal of this prospective observational cohort study is to validate a previously developed pancreatic cancer risk prediction algorith (the PRISM model) using electronic health records from the general population. The main questions it aims to answer are: * Will a pancreatic cancer risk model, developed on routine EHR data, reliably and accurately predict pancreatic cancer in real-time? * What is the average time from model deployment and risk prediction, to the date of pancreatic cancer development and what is the stage of pancreatic cancer at diagnosis? The risk model will be deployed on data from individuals eligible for the study. Each individual will be assigned a risk score and tracked over time to assess the model's discriminatory performance and calibration.

Начало: 21.04.2023 Край: 01.09.2026 Възраст: 40–100 г.

United States Beth Israel Deaconess Medical Center NCT05973331

Активно (без набиране) Фаза 2

A Study of Oral Erdafitinib in People With Recurrent Non-Invasive Bladder Cancer

Bladder Cancer Recurrent Bladder Cancer FGFR3 Gene Mutation

The purpose of this study is to assess the effectiveness of erdafitinib in people with non-muscle invasive bladder cancer (NMIBC) that has come back after standard treatment, such as Bacillus Calmette-Guerin (BCG) or chemotherapy instilled into the bladder. Participants in this study will have bladder cancer with a mutation in the FGFR3 gene. FGFR3 mutations are the most common genetic alteration in NMIBC and is present in the majority of recurrent NMIBC tumors. Genetic testing of the participant's prior or recurrent NMIBC tumor will be performed to confirm it has an FGFR3 gene mutation. Erdafitinib is a pill given orally (by mouth) that blocks the protein made by this altered gene, which may stop cancer cells from growing. Erdafitinib is already used as an approved treatment for metastatic bladder cancer. Researchers are doing this study to determine whether erdafitinib is an effective treatment for FGFR3-altered non-muscle invasive bladder cancer in the time period between when a recurrent tumor is identified and a TURBT (transurethral resection of a bladder tumor) or biopsy procedure is performed to remove it.

Начало: 17.02.2022 Край: 01.08.2026 Възраст: от 18 г.

United States Memorial Sloan Kettering Cancer Center NCT04917809

Активно (без набиране)

Detection of Plasma DNA Methylation in Peripheral Blood From Patients With Resectable Liver Cancer

Resectable Hepatocellular Carcinoma

This study explores the potential values of a new blood test approach to detect measurable residual disease or early coming back of cancer (recurrence)/cancer growing, spreading, or getting worse (progression) in patients with liver cancer that can be removed by surgery (resectable). The development of novel cancer biomarkers for liver cancer may help in clinical decision making and lead to improvements in patient outcomes by facilitating prediction of the response to specific treatments, improved monitoring of patients on treatment, and better prognostication of patient outcomes, thus improving stratification for clinical trials.

Начало: 06.11.2021 Край: 04.12.2029 Възраст: от 18 г.

United States Mayo Clinic NCT04856046

Активно (без набиране) Фаза 1

A Study to Test BI 765179 Alone and in Combination With Ezabenlimab in Patients With Advanced Cancer (Solid Tumors) and BI 765179 in Combination With Pembrolizumab in Patients With Advanced Head and Neck Cancer

Neoplasms

This study is open to adults with advanced cancer (solid tumors) and people with advanced head and neck cancer. The study has 2 parts. The purpose of Part 1 of this study is to find the highest dose of a medicine called BI 765179 that people with solid tumors can tolerate when taken alone or together with a medicine called ezabenlimab. The goal of Part 2 is to find out whether BI 765179 in combination with a medicine called pembrolizumab helps people with advanced head and neck cancer. In Part 1, each participant is put into 1 of 2 groups. Participants get BI 765179 alone or in combination with ezabenlimab as infusion into a vein every 3 weeks. In Part 2, participants are also divided into 2 groups. 1 group gets a low dose of BI 765179 in combination with pembrolizumab and the other group gets a high dose of BI 765179 in combination with pembrolizumab. Participants receive the study treatment as infusions into a vein. BI 765179, ezabenlimab, and pembrolizumab are antibodies that may help the immune system fight cancer. In this study, BI 765179 is given to people for the first time. Participants can stay in the study up to 2 years if they benefit from treatment and can tolerate it. The doctors regularly check the participants' health and note any health problems that could have been caused by the study treatment.

Начало: 18.10.2021 Край: 17.02.2028 Възраст: от 18 г. Лечение

Australia, Belgium, Brazil +12 Boehringer Ingelheim NCT04958239

Активно (без набиране) Фаза 3

Comparing Brief Behavioral Therapy (BBT-CI) and Healthy Eating Education Learning (HEAL) for Cancer-Related Sleep Problems While Receiving Cancer Treatment

Hematopoietic and Lymphoid Cell Neoplasm Malignant Solid Neoplasm

This phase III trial compares BBT-CI to HEAL for the reduction of insomnia in patients with stage I-IV cancer who are receiving cancer treatment. Cancer treatment can cause side effects such as sleep problems. Sleep problems such as insomnia, are common for cancer patients. Insomnia can be described as difficulty falling asleep, waking up many times during the night or waking up earlier than patient would like. Insomnia can increase fatigue and worsen quality of life. This trial may help researchers determine which treatment works better in reducing insomnia, BBT-CI or HEAL.

Начало: 24.06.2021 Край: 12.04.2027 Възраст: от 18 г.

United States University of Rochester NCORP Research Base NCT04829539

Активно (без набиране)

Social Experiences of Adolescents and Young Adults With Cancer

Childhood Cancer Social Behavior Social Competence

Participants are being asked to take part in this clinical trial, a type of research study, because investigators want to learn more about the social experiences adolescents and young adults who are being treated or have been treated for cancer. Primary Objectives * Describe differences in social experience variables (peer connectedness, perceived social competence, parent versus peer attachment) based on treatment status: on versus off therapy. * In on-therapy patients, describe differences in social experience variables (peer connectedness, perceived social competence, parent versus peer attachment) based on developmental stage: high school versus post-high school. Secondary Objectives * Assess the social support and peer interaction needs of AYA with cancer as a means of determining stakeholder interest and need for psychosocial interventions targeting social experiences. * Using qualitative interviews, explore patient perceptions of the impact of cancer on social experiences among AYA, particularly with regards to changes in friendships as a result of the cancer diagnosis and the role of the hospital in helping or hindering friendship maintenance/development. Exploratory Objectives * Explore differences in social experience by demographic, disease and treatment factors, including: gender, diagnostic category (brain tumor, leukemia/lymphoma, solid tumor), late effects/symptom burden, and treatment (e.g., treatment intensity, serious medical events). * Explore associations between perceived impact of cancer and social experience in AYA. * Explore associations between use of social media and social experience. * Explore associations between social experiences and overall functioning (quality of life, distress, coping). * Explore the possibility of subclasses of AYA by using person-centered analyses to empirically derive profiles of social experience.

Начало: 12.10.2020 Край: 01.12.2026 Възраст: 15–22 г.

United States St. Jude Children's Research Hospital NCT04328350

Активно (без набиране) Фаза 3

Efficacy and Safety of Pembrolizumab (MK-3475) in Combination With Chemoradiotherapy (CRT) Versus CRT Alone in Muscle-invasive Bladder Cancer (MIBC) (MK-3475-992/KEYNOTE-992)

Urinary Bladder Neoplasms

Researchers are looking for new ways to treat muscle-invasive bladder cancer (MIBC). MIBC is a type of cancer that has not spread from the muscles in the bladder to other parts of the body. MIBC is treated by having surgery to remove the bladder (cystectomy). Not all people choose to have surgery and want to keep their bladder using other treatments. Chemoradiotherapy (CRT)- is a type of non-surgical treatment for MIBC which combines Chemotherapy (a treatment with medicine to destroy cancer cells or stop them growing) and Radiation therapy (a treatment that uses beams of intense energy \[like X-rays\] to shrink or get rid of tumors). Pembrolizumab is an immunotherapy, which is a treatment that helps the immune system fight cancer. A placebo looks like the study medicine but has no study medicine in it. Using a placebo helps researchers better understand if the study medicine works. The goal of this study is to learn: 1. If a study medicine pembrolizumab given with Chemoradiotherapy (CRT) can help people live longer without their cancer growing, spreading, or coming back compared to placebo given with CRT. 2.About the safety and how well people tolerate CRT alone or in combination with pembrolizumab.

Начало: 19.05.2020 Край: 01.11.2031 Възраст: от 18 г. Лечение

Australia, Chile, Czechia +20 Merck Sharp & Dohme LLC NCT04241185

Активно (без набиране) Фаза 2

Durvalumab and Tremelimumab ± Platinum-Based Chemotherapy in Patients With Metastatic Squamous or Non-Squamous NSCLC

Lung Cancer Metastatic

Durvalumab is a new type of drug for many kinds of cancer. It is considered "immunotherapy" and not "chemotherapy". Laboratory tests show that it works by allowing the immune system to detect cancer and reactivate the immune response. This may help to slow down the growth of cancer or may cause cancer cells to die. Durvalumab has been shown to shrink tumours in animals and has been studied in more than 5000 people and seems promising. Tremelimumab is a new type of drug for various types of cancers. It works in a similar way to durvalumab and may improve the effect of durvalumab. Tremelimumab may also help slow the growth of the cancer cells or may cause cancer cells to die. It has been shown to shrink tumours in animals and has been studied in over 1200 people and seems promising.

Начало: 28.03.2017 Край: 30.06.2026 Възраст: от 18 г. Лечение

Australia, Canada Canadian Cancer Trials Group NCT03057106

Активно (без набиране) Фаза 1/2

A Study to Test the Safety and Efficacy of the Drug Larotrectinib for the Treatment of Tumors With NTRK-fusion in Children

Solid Tumors Harboring NTRK Fusion

The study is being done to test the safety of a cancer drug called larotrectinib in children. The cancer must have a change in a particular gene (NTRK1, NTRK2 or NTRK3). Larotrectinib blocks the actions of these NTRK genes in cancer cells and can therefore be used to treat cancer. The first study part (Phase 1) is done to determine what dose level of larotrectinib is safe for children, how the drug is absorbed and changed by their bodies and how well the cancer responds to the drug. The main purpose of the second study part (Phase 2) is to investigate how well and how long different cancer types respond to the treatment with larotrectininb.

Начало: 16.12.2015 Край: 30.09.2026 Възраст: до 21 г. Лечение

Australia, Canada, China +16 Bayer NCT02637687

Активно (без набиране)

Pregnancy Outcome and Safety of Interrupting Therapy for Women With Endocrine Responsive Breast Cancer

Early Breast Cancer

The best available evidence suggests that pregnancy after breast cancer does not increase a woman's risk of developing a recurrence from her breast cancer. In particular, the most recent data suggest that this is the case also in women with a hormone receptor-positive breast cancer. There is also no indication of increased risk for delivery complications or for the newborn. The aim of the study is to investigate if temporary interruption of endocrine therapy, with the goal to permit pregnancy, is associated with a higher risk of breast cancer recurrence.The study aims also to evaluate different specific indicators related to fertility, pregnancy and breast cancer biology in young women. A psycho-oncological companion study on fertility concerns, psychological well-being and decisional conflicts will be conducted in interested Centers.

Начало: 04.12.2014 Край: 01.12.2028 Възраст: 18–42 г. Лечение

Australia, Belgium, Canada +18 ETOP IBCSG Partners Foundation NCT02308085

Активно (без набиране) Фаза 3

Tamoxifen Citrate, Letrozole, Anastrozole, or Exemestane With or Without Chemotherapy in Treating Patients With Invasive RxPONDER Breast Cancer

Breast Ductal Carcinoma In Situ Invasive Breast Carcinoma Multicentric Breast Carcinoma Multifocal Breast Carcinoma +1

This randomized phase III clinical trial studies how well tamoxifen citrate, anastrozole, letrozole, or exemestane with or without chemotherapy work in treating patients with breast cancer that has spread from where it began in the breast to surrounding normal tissue (invasive). Estrogen can cause the growth of breast cancer cells. Hormone therapy, using tamoxifen citrate, may fight breast cancer by blocking the use of estrogen by the tumor cells. Aromatase inhibitors, such as anastrozole, letrozole, and exemestane, may fight breast cancer by lowering the amount of estrogen the body makes. Drugs used in chemotherapy work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. It is not yet known whether giving tamoxifen citrate, anastrozole, letrozole, or exemestane is more effective with combination chemotherapy in treating patients with breast cancer.

Начало: 28.02.2011 Край: 08.01.2027 Възраст: от 18 г.

Canada, Colombia, France +7 National Cancer Institute (NCI) NCT01272037

Активно (без набиране) Фаза 3

Hormone Therapy With or Without Combination Chemotherapy in Treating Women Who Have Undergone Surgery for Node-Negative Breast Cancer (The TAILORx Trial)

Breast Adenocarcinoma Hormone Receptor Positive Stage IA Breast Cancer AJCC v7 Stage IB Breast Cancer AJCC v7 +3

This randomized phase III trial studies the best individual therapy for women who have node-negative, estrogen-receptor positive breast cancer by using a special test (Oncotype DX), and whether hormone therapy alone or hormone therapy together with combination chemotherapy is better for women who have an Oncotype DX recurrence score of 11-25. Estrogen can cause the growth of breast cancer cells. Hormone therapy may fight breast cancer by blocking the use of estrogen by the tumor cells or by lowering the amount of estrogen the body makes. Drugs used in chemotherapy work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving hormone therapy together with more than one chemotherapy drug (combination chemotherapy) has been shown to reduce the chance of breast cancer recurrence, but the benefit of adding chemotherapy to hormone therapy for women with node-negative, estrogen-receptor positive breast cancer is small. New tests may provide information about which patients are more likely to benefit from chemotherapy.

Начало: 07.04.2006 Край: 30.09.2030 Възраст: 18–75 г. Лечение

Australia, Canada, Ireland +5 National Cancer Institute (NCI) NCT00310180

Активно (без набиране)

Genetic Analysis in Identifying Late-Occurring Complications in Childhood Cancer Survivors

Childhood Malignant Neoplasm

This clinical trial studies cancer survivors to identify those who are at increased risk of developing late-occurring complications after undergoing treatment for childhood cancer. A patient's genes may affect the risk of developing complications, such as congestive heart failure, avascular necrosis, stroke, and second cancer, years after undergoing cancer treatment. Genetic studies may help doctors identify survivors of childhood cancer who are more likely to develop late complications.

Начало: 25.03.2004 Край: 31.03.2026 Възраст: до 99 г.

Australia, Canada, Puerto Rico +2 Children's Oncology Group NCT00082745

Активно (без набиране)

Complementary Behavioral Interventions To Remediate Cognitive Impairment or Emotional Distress in Cancer Survivors

Survivors of Childhood Cancer

Childhood cancer survivors are at risk for accelerated aging due to the specific treatments they have received to cure their cancer. Several interventions, including exercise, cognitive training, and mindfulness practice, have been developed and studied for effectiveness among participants in the St. Jude Lifetime Cohort (SJLIFE) to mitigate these effects. The interventions offered thus far have not included two components at the same time. The purpose of this study is to determine whether or not adult cancer survivors enrolled in SJLIFE will participate in two interventions at the same time. The combined interventions will include exercise plus cognitive training or exercise plus mindfulness practice. Each intervention will be conducted over a 12-week period. Participants will also be asked to complete follow-up testing after the 12-week intervention period is completed. Primary Objectives • To determine the acceptability of a two-component intervention (exercise (EX) plus cognitive training (CT) or exercise (EX) plus mindfulness practice (MP)) among survivors of childhood cancer with either cognitive impairment or emotional distress. Hypotheses: * 45% of those approached for participation in each arm of this study will enroll on the study. * Among those who enroll, 70% will complete the follow-up testing at 12 weeks. * Among those who completed the follow-up testing, the mean attendance to the intervention sessions will be 70% on each of their two interventions. That is, they will complete 70% of exercise sessions and 70% of either cognitive training or mindfulness practice. * To identify barriers and facilitators to intervention adherence. Hypotheses: * Participants will identify features of the study processes that either facilitate or discourage adherence. * Participants will identify features of the intervention technology and intervention components that either facilitate or discourage adherence. * Participants will identify personal factors that facilitate or discourage adherence.

Начало: 29.07.2025 Край: 01.11.2026 Възраст: от 18 г.

United States St. Jude Children's Research Hospital NCT06989463

Активно (без набиране) Фаза 2

Combination of Cadonilimab and Chemoradiotherapy in Esophageal Cancer (EC-CRT-006)

Esophagus Cancer

Definitive chemoradiotherapy (CRT) is the standard treatment option for unresectable locally advanced esophageal cancer. However, as high as more than 40% of patients with esophageal cancer experienced locoregional recurrence after definitive CRT. Immune checkpoint inhibitors targeting PD-1/PD-L1 and/or CTLA-4 have shown substantial clinical benefits in advanced esophageal cancer. Recently, the combination of immunotherapy with CRT has emerged as a promising strategy to improve clinical outcomes in esophageal cancer. The aim of this study was to evaluate the efficacy and safety of cadonilimab (a bispecific PD-1/CTLA-4 antibody) combined with induction chemotherapy followed by definitive radiotherapy in patients with locally advanced esophageal squamous cell carcinoma.

Начало: 02.03.2024 Край: 31.12.2027 Възраст: 18–75 г.

China Sun Yat-sen University NCT06143748

Активно (без набиране) Фаза 3

A Study of SGN-B6A Versus Docetaxel in Previously Treated Non-small Cell Lung Cancer

Carcinoma, Non-Small-Cell Lung

This clinical trial is studying nonsquamous non-small cell lung cancer (NSCLC). Participants in this study must have cancer that has spread through their body or can't be removed with surgery. Participants in this study must have been treated with no more than a platinum-based chemotherapy and an anti-PD-(L)1 drug. Participants with tumors that have certain treatable genomic alterations must have had at least 1 drug for that genomic alteration, in addition to platinum-based chemotherapy. This clinical trial uses an experimental drug called sigvotatug vedotin, which is a type of antibody drug conjugate or ADC. ADCs are designed to stick to cancer cells and kill them. This clinical trial also uses a drug called docetaxel. Docetaxel is an anticancer drug that has been approved to treat non-small cell lung cancer. It is usually given to patients who previously received another anticancer treatment. In this study, one group of participants will get sigvotatug vedotin on Days 1 and 15 during each 28-day-cycle. A second group of participants will get docetaxel on Day 1 during each 21-day cycle. This study is being done to see if sigvotatug vedotin works better than docetaxel to treat participants with NSCLC. This study will also test what side effects happen when participants take these drugs. A side effect is anything a drug does to the body besides treating the disease.

Начало: 21.02.2024 Край: 11.03.2028 Възраст: от 18 г. Лечение

Argentina, Australia, Belgium +21 Seagen, a wholly owned subsidiary of Pfizer NCT06012435

Активно (без набиране) Фаза 1/2

Phase I/II Study of [225Ac]Ac-PSMA-R2 in PSMA-positive Prostate Cancer, With/Without Prior 177Lu-PSMA RLT

Prostate Cancer

This is an open label, phase I/II, multi-center study in adult participants with metastatic hormone sensitive prostate cancer (mHSPC) and with metastatic castration resistant prostate cancer (mCRPC) who have received prior anti-cancer treatment and have a positive 68Ga-PSMA-11 PET scan. The purpose of this study is to learn if the study drug, \[225Ac\]Ac-PSMA-R2, is safe and tolerable, and has anti-tumor activity in treated patients. Enrollment of all participants was not completed. The evaluated radioligand showed acceptable safety but limited benefit in metastatic prostate cancer

Начало: 07.11.2023 Край: 05.11.2029 Възраст: 18–100 г. Лечение

Australia, Canada, France +1 Novartis Pharmaceuticals NCT05983198

Активно (без набиране) Фаза 3

Vepdegestrant (ARV-471/PF-07850327) + Palbociclib vs Letrozole + Palbociclib in ER(+)/HER2(-) Advanced Breast Cancer

Breast Cancer

The purpose of this study is to understand the safety and effects of the study medicine vepdegestrant (ARV-471/PF-07850327) given together with palbociclib in advanced breast cancer. In particular, the study will compare the combination of vepdegestrant plus palbociclib to standard of care therapy (letrozole plus palbociclib). Both letrozole and palbociclib are medicines already used for treatment of breast cancer. Vepdegestrant is a new medicine under study. This study is seeking participants who have breast cancer that: * Have a locally advanced or metastatic disease and cannot be fully cured by surgery or radiation therapy. A metastatic disease is when disease has spread to other parts of the body. * Is sensitive to hormonal therapy such as tamoxifen. This is called estrogen receptor positive disease. * Have not received any prior medicine for advanced disease. Example medications include tamoxifen or letrozole or exemestane. The study will have an open-label SLI (study lead-in) before initiation of Phase 3 trial. During SLI, two dose levels of palbociclib in combination with vepdegestrant will be explored in parallel. Assignment to the palbociclib dose is by chance. Half of the participant will receive one dose and the other half another palbociclib dose. The purpose of SLI is to determine the recommended Phase 3 dose of palbociclib to be administered in combination with vepdegestrant. In the Phase 3, half of the participants will take vepdegestrant plus palbociclib while the other half will take letrozole plus palbociclib. In both SLI and Phase 3, participants will take the study medicines by mouth, with food, once a day. Participants will take the study medicines until breast cancer increase in size or side effects become too severe. Side effects refer to unwanted reactions to medications. Participants will visit the study clinic about once every 4 weeks.

Начало: 09.08.2023 Край: 30.12.2026 Възраст: от 18 г. Лечение

Australia, Brazil, China +7 Pfizer NCT05909397

Активно (без набиране) Фаза 2

TTI-622 in Combination With Pembrolizumab for the Treatment of Relapsed or Refractory Diffuse Large B-Cell Lymphoma

Recurrent ALK Positive Large B-Cell Lymphoma Recurrent B-Cell Non-Hodgkin Lymphoma Recurrent Diffuse Large B-Cell Lymphoma Associated With Chronic Inflammation Recurrent Diffuse Large B-Cell Lymphoma, Not Otherwise Specified +24

This phase II trial tests the safety, side effects, and best dose of TTI-621 (closed to enrollment) or TTI-622 in combination with pembrolizumab in treating patients with diffuse large B-cell lymphoma that has come back after a period of improvement (relapsed) or that does not respond to treatment (refractory). TTI-621 and TTI-622 are called fusion proteins. A fusion protein includes two specialized proteins that are joined together. In TTI-621 and TTI-622, one of the proteins binds with other proteins found on the surface of certain cells that are part of the immune system. The other protein targets and blocks a protein called CD47. CD47 is present on cancer cells and is used by those cells to hide from the body's immune system. By blocking CD47, TTI-621 and TTI-622 may help the immune system find and destroy cancer cells. Pembrolizumab is a monoclonal antibody directed against human cell surface receptor PD-1 (programmed death-1 or programmed cell death-1) that works by helping the body\'s immune system attack the cancer and may interfere with the ability of cancer cells to grow and spread. Giving TTI-621 (closed to enrollment) or TTI-622 in combination with pembrolizumab may kill more cancer cells in patients with relapsed or refractory diffuse large B-cell lymphoma.

Начало: 19.04.2023 Край: 30.07.2027 Възраст: от 18 г.

United States Mayo Clinic NCT05507541

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