| Not Yet Recruiting | Prospective RegIstry for Oncologic Reirradiation (PRIOR-DK) NCT07528339 | University of Aarhus | — |
| Not Yet Recruiting | Early Diagnosis and Cardiovascular Risk Stratification in Children Exposed to Cancer Therapies NCT07408362 | Centre Hospitalier Universitaire de Liege | N/A |
| Not Yet Recruiting | Preoperative Hypofractionated RT + Immunotherapy & Surgery for Retroperitoneal Sarcoma (FUSION-02) NCT07396116 | Cancer Institute and Hospital, Chinese Academy of Medical Sciences | N/A |
| Enrolling By Invitation | DENTOFACIAL-PBT Stage 2 - Feasibility Study NCT07057284 | Manchester University NHS Foundation Trust | — |
| Recruiting | Brain Irradiation for Childhood Cancer - Endocrine Monitoring During the First Years NCT06618703 | University Hospital, Angers | N/A |
| Recruiting | Curatively Intended Thoracic Reirradiation NCT06950073 | University of Aarhus | — |
| Recruiting | Manual Lymph Drainage for External Lymphedema NCT07215169 | Lund University | N/A |
| Not Yet Recruiting | Intranasal Corticosteroid Spray for Preventing Otitis Media With Effusion After Radiotherapy in Nasopharyngeal NCT07189572 | Union Hospital, Tongji Medical College, Huazhong University of Science and Technology | Phase 3 |
| Not Yet Recruiting | Health Oriented Protocol for Epidermal Radiodermatitis NCT07129525 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | — |
| Recruiting | Clinical Study of Postoperative Carbon Ion Radiotherapy for Thymus Tumor With Residual Tumor NCT06311955 | Jian Chen | Phase 2 |
| Recruiting | Omitting CTV for Primary Tumor in LS-SCLC NCT07008716 | Sun Yat-sen University | Phase 3 |
| Recruiting | Achieving a Better Outcome Through Limiting the Glioblastoma Clinical Target Volume NCT06719440 | Cliniques universitaires Saint-Luc- Université Catholique de Louvain | N/A |
| Recruiting | Total Neoadjuvant Therapy and Organ Preservation Versus Surgery for Rectal Cancer. NCT06758830 | National Cancer Center Affiliate of Vilnius University Hospital Santaros Klinikos | Phase 2 / Phase 3 |
| Withdrawn | A Pilot Study For Patients Receiving Radiation Therapy for Liver Cancer NCT06144827 | Montefiore Medical Center | N/A |
| Recruiting | Prophylactic Radiotherapy Optimization for Enhanced Thyroid Function Protection in NPC NCT06752239 | Jiangxi Provincial Cancer Hospital | Phase 3 |
| Not Yet Recruiting | Herombopag for the Prevention of Radio-chemotherapy Induced Thrombocytopenia in Cervical Cancer NCT06745219 | Peking University Cancer Hospital & Institute | Phase 2 |
| Recruiting | RAdiotherapy With FDG-PET Guided Dose-PAINTing Compared With Standard Radiotherapy for Primary Head and Neck C NCT06297902 | Oslo University Hospital | N/A |
| Recruiting | Carbon Ion Radiotherapy for Locally Advanced Lung Cancer in Elderly Patients NCT06311981 | Jian Chen | Phase 2 |
| Recruiting | AI as an Aid for Weekly Symptom Intake in Radiotherapy NCT06525181 | jaide | N/A |
| Recruiting | Proton Therapy for Locally Advanced Cervical Cancer NCT06462378 | University of Aarhus | Phase 2 |
| Withdrawn | The Use of Photobiomodulation in the Management of Radiodermatitis in Patients in Palliative Care. A Prospecti NCT05561803 | University of Nove de Julho | — |
| Active Not Recruiting | Multicenter Retrospective Study on Patients Treated with Stereotactic Radiosurgery/Radiotherapy for Single Bra NCT06869460 | Gemelli Molise Hospital | — |
| Recruiting | Lithium Treatment to Prevent Cognitive Impairment After Brain Radiotherapy NCT06051240 | Region Stockholm | Phase 2 |
| Recruiting | Advanced Radiotherapy (ART) in Gynecological Cancer Patients (GYN-ART) NCT06306170 | IRCCS San Raffaele | — |
| Completed | Adjunctive Treatments for the Prevention of Radiotherapy-Induced Mucositis NCT06117904 | Beni-Suef University | N/A |
| Recruiting | Radiotherapy With Extreme Hypofractionation in Patients With Breast Cancer in Brazil: a Retrospective Cohort S NCT05776147 | Latin American Cooperative Oncology Group | — |
| Completed | PROstate CAncer Radiotherapy - Bowel Quality of Life (PROCAR-BQ) NCT05880446 | Jules Bordet Institute | N/A |
| Recruiting | Alectinib Followed by Concomitant Consolidation Radiation Therapy in Advanced NSCLC With ALK-rearrangement (A- NCT05724004 | Karolinska University Hospital | N/A |
| Completed | Prevalence of Late Xerostomia and Hyposalivation with Associated Risk Factors in Survivors of Head and Neck Ca NCT06851572 | Ain Shams University | — |
| Unknown | 4D CT Scan Versus 3D CT Scan Concerning Cardiac Dosimetry Assesment for Left Sided Breast Cancers Radiotherapy NCT05726604 | Central Hospital Saint Quentin | N/A |
| Completed | The Use of Photobiomodulation in the Management of Radiodermatitis in Head and Neck Cancer Patients NCT05557825 | University of Nove de Julho | — |
| Unknown | Nutrition Education Program for Cancer Patients Receiving Radiotherapy NCT05329688 | Taipei Medical University WanFang Hospital | N/A |
| Not Yet Recruiting | Prostate Reirradiation Toxicity Outcomes Feasibility Study NCT05614700 | University of Leeds | N/A |
| Recruiting | A Multicenter Phase II Study of Stereotactic Radiotherapy for Centrally Located Lung Tumors (STRICT-LUNG STUDY NCT05354596 | Rigshospitalet, Denmark | N/A |
| Recruiting | Different Fractionation Schedules of Radiotherapy to the Primary Tumour in Metastatic Hormone Sensitive Prosta NCT04612907 | Umeå University | N/A |
| Recruiting | Ultra-hypofractioNated Adjuvant Radiotherapy ± sImultaneous Integrated Boost for Low-risk Breast Cancer Patien NCT05762900 | Cancer Institute and Hospital, Chinese Academy of Medical Sciences | Phase 2 |
| Not Yet Recruiting | Heterogeneously Hypofractionated Radiotherapy for Locally Advanced NSCLC NCT05548504 | Odense University Hospital | Phase 2 |
| Unknown | Efficacy and Safety of Transcutaneous Auricular Vagus Nerve Stimulation on Radiotherapy-Related Neuropathic Pa NCT05543239 | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | N/A |
| Completed | Estimation of (suPAR) in Chronic Periodontitis With Post-radiotherapy on HNCs Patients NCT06529588 | Al-Maarif University College | — |
| Suspended | Pelvic Nodes Ultra-Hypo vs Conventionally Fractionated IMRT With HDR Boost in Prostate Cancer. NCT05820633 | CHU de Quebec-Universite Laval | N/A |
| Recruiting | Photobiomodulation Therapy in the Prevention and Management of Radiotherapy-induced Vaginal Toxicity NCT05165056 | Jessa Hospital | N/A |
| Completed | Inadvertent Hypothermia or Hyperthermia in Pediatric Radiotherapy Practices Under Anesthesia NCT05478850 | Ankara City Hospital Bilkent | — |
| Recruiting | Hetrombopag for the Thrombocytopenia Induced by Concurrent Chemoradiotherapy NCT06433830 | Sir Run Run Shaw Hospital | Phase 2 |
| Recruiting | Super-Hypofractionated Partial Breast Irradiation NCT06615466 | Cancer Institute and Hospital, Chinese Academy of Medical Sciences | N/A |
| Unknown | Study of Serum and Urinary Biomarkers and Radiation Cystitis in Patients Treated With Radiotherapy for Localiz NCT05246774 | Direction Centrale du Service de Santé des Armées | — |
| Recruiting | Protons Vs. Photons for High-risk Prostate Cancer NCT05350475 | University of Aarhus | N/A |
| Unknown | Photobiomodulation Home-use Device for Prevention or Treatment of Oral Mucositis in Patients With Head&Neck Ma NCT05176834 | Erika Carmel ltd | N/A |
| Unknown | Study on Symptom Clusters During Chemotherapy in Ovarian Cancer Patients With Different Chinese Medicine Const NCT06222008 | Yandi Zhu | — |
| Completed | Evaluation of Music on the Level of Anxiety Felt During External Radiotherapy Sessions NCT05289505 | Center Eugene Marquis | — |
| Recruiting | Preoperative Ultra-hypofractionated Radiotherapy Followed by Surgery for Retroperitoneal Sarcoma (FUSION-01) NCT05224934 | Cancer Institute and Hospital, Chinese Academy of Medical Sciences | N/A |
| Completed | Safety of Ultra-hypofractionated Whole Breast Irradiation After Breast-conserving Surgery NCT04842409 | Azienda Ospedaliero-Universitaria Careggi | — |
| Active Not Recruiting | Bone-sparing Chemoradiotherapy for Anal Cancer - DACG-II NCT05385250 | Karen-Lise Garm Spindler | N/A |
| Recruiting | Adaptive RadioTherapy for OroPharynx Cancer NCT04901234 | Centre hospitalier de l'Université de Montréal (CHUM) | Phase 2 |
| Recruiting | ALND vs ART in Positive Sentinel Node After Neoadjuvant Therapy in Breast Cancer NCT04889924 | Hospital Universitari de Bellvitge | N/A |
| Recruiting | Longitudinal Registry Including Patients Treated With Heavy Particles NCT05203250 | CNAO National Center of Oncological Hadrontherapy | — |
| Recruiting | CPAP or BiPAP for Motion Mitigation During Radiotherapy NCT04986293 | University Medical Center Groningen | N/A |
| Unknown | Bone Toxicity Following Pelvic Radiotherapy NCT04555317 | The Christie NHS Foundation Trust | N/A |
| Recruiting | HYPofractionated Adjuvant RadioTherapy in 1 Versus 2 Weeks in High-risk Patients With Breast Cancer (HYPART). NCT04472845 | Post Graduate Institute of Medical Education and Research, Chandigarh | N/A |
| Unknown | Application of KANG FU PEN in Radical Concurrent Radiotherapy and Chemotherapy for Cervical Cancer to Prevent NCT04819685 | Peking Union Medical College Hospital | Phase 4 |
| Recruiting | MR-linac Guided Ultra-hypofractionated RT for Prostate Cancer (SMART-P01 and SMART-P02) NCT05183074 | Cancer Institute and Hospital, Chinese Academy of Medical Sciences | N/A |
| Unknown | Evaluation of ExacTrac® Imaging Device for Repositioning Quality of Patients Undergoing an External ENT Radiot NCT04670991 | Centre Leon Berard | N/A |
| Recruiting | SMC Radiation Oncology Breast Cancer Cohort Study NCT05775757 | Samsung Medical Center | — |
| Unknown | Efficacy of the Mepitel® Film on the Prevention of Radiodermatitis in the Inguinal Fold. NCT04617730 | Jules Bordet Institute | Phase 1 / Phase 2 |
| Completed | Metastatic Prostate Cancer Men's Attitudes Towards Treatment of the Local Tumour and Metastasis Evaluative Res NCT04590976 | Imperial College London | — |
| Unknown | The Optimization of Antiemetic Regimen for C-RINV in LA-HNSCCs NCT05202275 | Chinese Academy of Medical Sciences | Phase 2 |
| Recruiting | Patient Experience Data in Radiation Oncology NCT05224297 | Medical University of Vienna | — |
| Terminated | Hypofractionated Radiotherapy in Prostate Cancer Patients Aged 75 Years or Older. NCT04535908 | Medical University of Graz | N/A |
| Completed | Analgesic Effect of Resistance Training for Breast Cancer Survivors NCT04509284 | Aalborg University | N/A |
| Terminated | GM1 Prophylaxis for WBRT Related Cognitive Dysfunction NCT04395339 | Sun Yat-sen University | Phase 3 |
| Withdrawn | Simultaneous Integrated Boost Technique in Breast Cancer Radiotherapy NCT04535895 | Medical University of Graz | N/A |
| Unknown | SBRT With S1 Combined With Endostar in the Treatment of Lung Cancer NCT04274270 | Peking University Third Hospital | N/A |
| Unknown | 3D Printed Bolus in Post-mastectomy Radiotherapy NCT04685460 | Jiangxi Provincial Cancer Hospital | N/A |
| Terminated | Evaluation of Mepitel Film® in Preventing Epidermitis in Patients Receiving Radiation Therapy for Breast Cance NCT04149522 | Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute) | Phase 2 |
| Unknown | RCT Comparing 2 Radiotherapy HypoFractionation Schedules In Breast Cancer Patients NCT04550910 | National Cancer Institute, Egypt | N/A |
| Unknown | Study on Adaptive Radiotherapy and Multimodal Information of Cervical Cancer Assisted by Artificial Intelligen NCT04022018 | The University of Hong Kong-Shenzhen Hospital | N/A |
| Recruiting | Molecular Biomarkers of Response to Radiation Therapy in Breast Cancer NCT06648148 | Institute of Oncology Ljubljana | — |
| Unknown | The Role and Intervention of TGF-β in Abdominal Radiation Injury NCT03613506 | Wuhan University | Phase 2 |
| Completed | Comparison Between the Effect of Using Conventional and Digital Oral Positional Radiation Stent NCT06353724 | Tanta University | N/A |
| Recruiting | Attribution of Toxicities Due to Radiotherapy and Immuno-Biological Therapies NCT04115267 | Centre hospitalier de l'Université de Montréal (CHUM) | — |
| Unknown | A Prospective Randomized Trial of High Dose Versus Standard Dose Stereotactic Radiotherapy for Pain Control in NCT04063254 | National Taiwan University Hospital | Phase 2 |
| Unknown | An Analysis of the Quality of Life and Sexual Quality of Life of Cervical Cancer Radiotherapy Patients NCT03885505 | Peking Union Medical College Hospital | — |
| Unknown | Patient-Reported Outcomes in Head and Neck Cancer NCT03918382 | Rigshospitalet, Denmark | N/A |
| Recruiting | Radiotherapy of Head and Neck Cancer With SIB NCT06831903 | Wuerzburg University Hospital | — |
| Recruiting | Lymphedema Evaluation After Adjuvant Hypofractionated Radiotherapy for 1-2 Macrometastatic Sentinel Lymph Node NCT06321653 | European Institute of Oncology | — |
| Unknown | IMRT With Carboplatin Versus IMRT With Carboplatin and Fluorouracil for Eldly Esophageal Cancer Patients NCT03910634 | Sun Yat-sen University | Phase 2 |
| Unknown | Weekly Single Fraction Hypofractionated Adjuvant Radiotherapy for Early Stage Breast Cancer NCT04580784 | Mona Salem | Phase 2 |
| Unknown | Post-radiation Dental Disease Amongst Head and Neck Cancer Patients NCT03703648 | Belfast Health and Social Care Trust | — |
| Recruiting | Heterogeneously Hypofractionated Radiotherapy for Locally Advanced NSCLC NCT03742687 | Danish Lung Cancer Group | N/A |
| Completed | Neoadjuvant Chemotherapy or Chemoradiotherapy in Resectable Oesophageal Carcinoma（NewEC Study） NCT04027543 | Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University | — |
| Completed | Photobiomodulation for Breast Cancer Radiodermatitis NCT04059809 | AC Camargo Cancer Center | Phase 2 / Phase 3 |
| Completed | Thermal Imaging to Evaluate Skin Toxicity From Radiotherapy NCT04013711 | Sunnybrook Health Sciences Centre | N/A |
| Completed | Standard Silicone-based vs. B-Lite® Light Weight Breast Implant After Total Mastectomy and Radiotherapy for Br NCT03737500 | Istituti Clinici Scientifici Maugeri SpA | N/A |
| Unknown | Accelerated Hypofractionated Whole Breast Irradiation Plus Sequential Boost Versus Concomitant Boost Following NCT03710733 | National Cancer Institute, Egypt | N/A |
| Unknown | Gated Radiotherapy in Left Sided Breast Cancer Patients NCT03534570 | Technical University of Munich | — |
| Recruiting | Evaluation of Technological Innovation in Radiotherapy NCT03378856 | Centre hospitalier de l'Université de Montréal (CHUM) | — |
| Completed | Olaparib & Radiation Therapy for Patients Triple Negative Breast Cancer (TNBC) NCT03109080 | Institut Curie | Phase 1 |
| Completed | Definitive (Chemo)Radiotherapy for Patients With Esophageal Cancer - 3JECROG R-01 NCT03298204 | Chinese Academy of Medical Sciences | — |
| Unknown | Osteoradionecrosis Rate in Patients Undergoing Radiotherapy for Head and Neck Cancer Treatment. NCT04009161 | Catholic University of the Sacred Heart | — |
| Completed | Less to Hold - A Comparison of Bladder Toxicities (Side Effects) in Patients Undergoing Prostate Radiotherapy NCT03832803 | Lancashire Teaching Hospitals NHS Foundation Trust | N/A |
| Unknown | Pulsed Low Dose Rate Radiation Therapy for Gastric Cancer Patients With Peritoneal Metastasis NCT03061162 | Yang Yang | N/A |
| Completed | Improving Quality of Life and Function for Older Cancer Patients Receiving Radiotherapy NCT03071640 | Sykehuset Innlandet HF | — |
| Completed | The Characterisation of RT Caries. NCT03397823 | King's College London | — |
| Completed | Prediction of Appearance of Late Cutaneous Side Effects After RadioTherapy NCT03060226 | Centre Francois Baclesse | N/A |
| Completed | Radiotherapy of Pelvic Lymph Nodes in High Risk Prostate Cancer - A Retrospective Analysis NCT02998619 | Kantonsspital Graubuenden | — |
| Active Not Recruiting | Nutrition and Inflammation in Patients With Head and Neck Cancer NCT03343236 | Uppsala University | — |
| Completed | Volumetric Intensity Modulated Arc Therapy vs. Conventional Radiotherapy for Cancer Pain NCT03374592 | Centre hospitalier de l'Université de Montréal (CHUM) | N/A |
| Recruiting | Ultra Hypofractionnated Radiotherapy With HDR Brachytherapy Boost. NCT05786742 | CHU de Quebec-Universite Laval | N/A |
| Completed | Design and Evaluation of Care Environment and Technology at Pediatric Radiotherapy NCT02993978 | Umeå University | — |
| Completed | Effect of Type-A Botulinum Toxin in the Post-radiosurgical Neck Contractures NCT02986880 | Hopital Foch | Phase 2 |
| Completed | Circadian as A Prognostic Factor For Radiation Response in Cervical Cancer NCT05511740 | Indonesia University | N/A |
| Completed | Return to Work Among Cancer Survivors With Treatment-induced Survivorship Syndromes NCT03961217 | Sahlgrenska University Hospital | — |