ArticleBMC cancer2020
A phase II randomized trial of RAdium-223 dichloride and SABR Versus SABR for oligomEtastatic prostate caNcerS (RAVENS).
Article in BMC cancer, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04037358 (A Phase II Randomized Trial of RAdium-223 and SABR Versus SABR for oligomEtastatic Prostate caNcerS), which is not on this map. Cited by 17 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase II Randomized Trial of RAdium-223 and SABR Versus SABR for oligomEtastatic Prostate caNcerS (RAVENS)
Who cites it
17 citing papers in PubMed, 32 citations in OpenAlex.
- Outcomes of Radium-223 and Stereotactic Ablative Radiotherapy Versus Stereotactic Ablative Radiotherapy for Oligometastatic Prostate Cancers: The RAVENS Phase II Randomized Trial.Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2025Trial
- A phase II randomized trial of metastasis-directed therapy with alpha emitter radium-223 in men with oligometastatic castration-resistant prostate cancer (MEDAL).BMC urology · 2023Trial
- Theranostics in Radiation Medicine: Integrating Radiopharmaceutical Therapy and External-Beam Radiotherapy.Journal of clinical medicine · 2026Review
- Deferral of systemic therapy in patients with oligorecurrent prostate cancer treated with metastasis-directed radiotherapy.Annals of translational medicine · 2025Review
- Future Treatment Strategies for Cancer Patients Combining Targeted Alpha Therapy with Pillars of Cancer Treatment: External Beam Radiation Therapy, Checkpoint Inhibition Immunotherapy, Cytostatic Chemotherapy, and Brachytherapy.Pharmaceuticals (Basel, Switzerland) · 2024Review
- Impact of PSMA PET on Prostate Cancer Management.Current treatment options in oncology · 2024Review
- Tolerability and outcomes of neuroendocrine tumors treated with PRRT and SBRT.Endocrine oncology (Bristol, England) · 2024Article
- Oligometastatic Prostate Cancer-The Middle Child Syndrome.Journal of clinical medicine · 2023Review
- Oligometastatic Prostate Cancer: Current Status and Future Challenges.Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 2022Review
- Long-Term Outcomes and Genetic Predictors of Response to Metastasis-Directed Therapy Versus Observation in Oligometastatic Prostate Cancer: Analysis of STOMP and ORIOLE Trials.Journal of clinical oncology : official journal of the American Society of Clinical Oncology · 2022Article
- Liquid Biopsy-Guided Interventional Oncology: A Proof of Concept with a Special Focus on Radiotherapy and Radiology.Cancers · 2022Review
- Defining Oligometastatic Disease in the New Era of PSMA-PET Imaging for Primary Staging of Prostate Cancer.Cancers · 2022Review
- Recent Advances in the Management of Hormone-Sensitive Oligometastatic Prostate Cancer.Cancer management and research · 2022Review
- Why bother with alpha particles?European journal of nuclear medicine and molecular imaging · 2021Article
- Local Therapies in Oligometastatic and Oligoprogressive Prostate Cancer.Seminars in radiation oncology · 2021Review
- Treatment of metastatic castration resistant prostate cancer with radium-223: a retrospective study at a US tertiary oncology center.Prostate cancer and prostatic diseases · 2021Article
- Patterns of Recurrence and Modes of Progression After Metastasis-Directed Therapy in Oligometastatic Castration-Sensitive Prostate Cancer.International journal of radiation oncology, biology, physics · 2021Article
Corrections and comments
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Authors and funding
31 authors at 1 institution in 1 country.
Funding
Abstract
backgroundMetastasis directed therapy (MDT) for patients with oligometastatic disease is associated with improvements in progression free survival (PFS) and overall survival (OS) compared to systemic therapy alone. Additionally, within a prostate-cancer-specific cohort, MDT is able to forestall initiation of androgen deprivation therapy (ADT) in men with hormone-sensitive, oligometastatic prostate cancer (HSOPCa) compared to observation. While MDT appears to be safe and effective in HSOPCa, a large percentage of men will eventually have disease recurrence. Patterns of failure in HSOPCa demonstrate patients tend to have recurrence in the bone following MDT, raising the question of sub-clinically-apparent osseous disease. Radium-223 dichloride is a radiopharmaceutical with structural similarity to calcium, allowing it to be taken up by bone where it emits alpha particles, and therefore might have utility in the treatment of micrometastatic osseous disease. Therefore, the primary goal of the phase II RAVENS trial is to evaluate the efficacy of MDT + radium-223 dichloride in prolonging progression free survival in men with HSOPCa.
methodsPatients with HSOPCa and 3 or less metastases with at least 1 bone metastasis will be randomized 1:1 to stereotactic ablative radiation (SABR, also known as stereotactic body radiation therapy (SBRT)) alone vs SABR + radium-223 dichloride with a minimization algorithm to balance assignment by institution, primary intervention, prior hormonal therapy, and PSA doubling time. SABR is delivered in one to five fractions and patients in the SABR + radium-223 dichloride arm will receive six infusions of radium-223 dichloride at four-week intervals. The primary end point is progression free survival. The secondary clinical endpoints include toxicity and quality of life assessments, local control at 12 months, locoregional progression, time to distant progression, time to new metastasis, and duration of response. DISCUSSION: The RAVENS trial will be the first described phase II, non-blinded, randomized study to compare SABR +/- radium-223 dichloride in patients with HSOPCa and 3 or less metastases with at least one bone metastasis. The primary hypothesis is that SABR + radium-223 dichloride will increase median progression-free survival from 10 months in the SABR arm to 20 months in the SABR + radium-223 dichloride arm. TRIAL REGISTRATIONS: Clinicaltrials.gov. Identifier: NCT04037358. Date of Registration: July 30, 2019. Date of First Participant Enrolled: August 9, 2019. Date of Last Approved Amendment: October 16, 2019. Protocol Version: Version 5.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.