Fractionated Stereotactic Radiotherapy Plus Second-generation Antiandrogen for Oligometastatic Castration-resistant Prostate Cancer Patients. (OLIGORESIST)
16 juli 2026 bijgewerkt door: Instituto de Investigación en Oncología Radioterápica - Fundación Española de Oncología Radioterápic
Radioterapia estereotáctica Fraccionada más antiandrógeno de Segunda generación Para Pacientes oligometastásicos Con cáncer de próstata Resistente a la castración. Estudio español Fase II, Prospectivo, multicéntrico.
The objectives of the study are to analyze the results obtained in survival, safety and quality of life after the combination of SBRT plus second-generation antiandrogen in patients diagnosed with metastatic castration-resistant prostate cancer in oligometastasis (≤5).
Hence, the investigators evaluate the results of the combination of two widely used treatments in prostate cancer: SBRT plus the 'standard of care' for patients with mCRPC, second-generation antiandrogens (abiraterone and enzalutamide).
Primary objective: Determine the PRFS measured from the time of initiation of second-generation antiandrogen to the time of radiological progression by choline PET/CT or 68Ga-PSMA PET/CT, in patients with mCRPC treated with the combination of second-generation antiandrogen plus SBRT.
Secondary objectives:
- Overall survival (time from initiation of second-generation antiandrogen to exitus) in patients with mCRPC treated with the combination of second-generation antiandrogen plus SBRT.
- Quality of life of these patients using the European Organization for Research and Treatment of Cancer (EORTC) quality of life scale, EORTC QLQ-C30, validated for oncology patients.
- Acute and chronic toxicity according to the "Common Terminology Criteria for Adverse Events" (CTCAEv5.0) scale.
This is a phase II, multicenter, prospective, single group study in patients with castrate-resistant prostate cancer (CRPC).
Patients will be recruited at the participant sites, after study approval and hospital authorization.
51 patients will be included in the study. Eligible patients will require:
- Choline PET/CT or 68Ga-PSMA PET/CT, dated no more than 8 weeks prior to inclusion.
- Clinical history, physical examination and functional evaluation scale (ECOG).
- Geriatric assessment scale for patients > 75 years (modified G8 scale)
- Toxicity scale assessment (CTCAEv5.0)
- Baseline quality of life questionnaire (EORTC QLQ-C30) (47)
- Blood tests with complete blood count, coagulation, liver function, renal function, ions, alkaline phosphatase, PSA and total and free testosterone, dated no more than 4 weeks prior inclusion.
- Inclusion/exclusion criteria assessment
- Second generation antiandrogen prescription, chosen by the responsible physician according to clinical practice, in each case.
Each patient will be included in the study once the second generation antiandrogen is initiated (which will be maintained until radiological progression, suspension due to poor tolerance and/or exitus). SBRT will be performed at least 2 weeks after initiating treatment with second generation antiandrogen, without exceeding 8 weeks from the start of treatment, and follow-up will continue up to a maximum of 36 months after completion of SBRT and/or exitus.
Recruitment time is estimated at 36 months and a total follow-up time of 36 months. The total duration of the trial is therefore expected to be 6 years, to allow complete follow-up of the last patients included.
Studie Overzicht
Toestand
Werving
Interventie / Behandeling
Studietype
Ingrijpend
Inschrijving (Geschat)
51
Fase
- Fase 2
Contacten en locaties
In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.
Studiecontact
- Naam: Pablo Raña Diez, PhD
- Telefoonnummer: +34 696633409
- E-mail: investigacion@seor.es
Studie Contact Back-up
- Naam: Cristina Gutierrez Povedano, PhD
- Telefoonnummer: +34 675039150
- E-mail: cristina.gutierrez.povedano@navarra.es
Studie Locaties
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Aragon
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Zaragoza, Aragon, Spanje, 50009
- Actief, niet wervend
- Hospital Universitario Miguel Servet
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Barcelona
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Barcelona, Barcelona, Spanje, 08036
- Werving
- Hospital Clinic de Barcelona
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Contact:
- Joel Mases, MD
- E-mail: mases@clinic.cat
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Hoofdonderzoeker:
- Joel Mases i Rosinés, MD
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Onderonderzoeker:
- Elías Gomís, MD
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Onderonderzoeker:
- Sara Moreno, MD
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Onderonderzoeker:
- Gerard Meca, MD
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L'Hospitalet de Llobregat, Barcelona, Spanje, 08908
- Werving
- Instituto Catalán de Oncología Hospitalet
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Contact:
- Anna Maria Boladeras, MD
- E-mail: aboladeras@iconcologia.net
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Hoofdonderzoeker:
- Ana María Boladeras Inglada, MD
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Basque Country
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Bilbao, Basque Country, Spanje, 48013
- Actief, niet wervend
- Hospital Universitario Basurto
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Castille and León
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Salamanca, Castille and León, Spanje, 37007
- Actief, niet wervend
- Hospital Universitario De Salamanca
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Valladolid, Castille and León, Spanje, 47003
- Werving
- Hospital Clínico Universitario de Valladolid
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Contact:
- Patricia Diezhandino Garcia, MD
- Telefoonnummer: +34 983 420 003
- E-mail: pdiezhandino@saludcastillayleon.es
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Hoofdonderzoeker:
- Patricia Diezhandino Garcia, MD
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Catalonia
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Barcelona, Catalonia, Spanje, 08041
- Werving
- Hospital de La Santa Creu i Sant Pau
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Contact:
- Gemma Sancho Pardo, MD
- Telefoonnummer: +34 935537756
- E-mail: gsancho@santpau.cat
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Contact:
- Saudy Peláez Bonilla, Study coordinator
- Telefoonnummer: 776 +34 935537760
- E-mail: SPelaez@santpau.cat
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Onderonderzoeker:
- Arantxa Mera Errasti, MD
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Hoofdonderzoeker:
- Gemma Sancho Pardo, MD
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Onderonderzoeker:
- Laura Montezuma Niño, MD
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Onderonderzoeker:
- Ana Maria Soto Cambres, MD
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Terrassa, Catalonia, Spanje, 08227
- Actief, niet wervend
- Consorci Sanitari de Terrassa
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Galicia
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Santiago de Compostela, Galicia, Spanje, 15706
- Actief, niet wervend
- Complexo Hospitalario Universitario De Santiago
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Madrid
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Madrid, Madrid, Spanje, 28040
- Werving
- Hospital Clinico San Carlos
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Contact:
- Noelia Sanmamed, MD
- Telefoonnummer: +34 985 10 80 00
- E-mail: noelia.sanmamed@salud.madrid.org
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Hoofdonderzoeker:
- Noelia Sanmamed Salgado, MD
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Onderonderzoeker:
- Manuel Gonzalo Vázquez Masedo, MD
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Onderonderzoeker:
- Miren Gaztañaga Boronat, MD
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Onderonderzoeker:
- Maria Nieves Cabrera Martin, MD
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Onderonderzoeker:
- Natalia Vidal Cassinello, MD
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Onderonderzoeker:
- Anxela Doval Gonzalez, MD
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Onderonderzoeker:
- Javier Puente Vazquez, MD
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Onderonderzoeker:
- Ignacio Moreno, MD
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Madrid, Madrid, Spanje, 28034
- Actief, niet wervend
- Hospital Ramon y Cajal
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Navarre
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Pamplona, Navarre, Spanje, 31008
- Werving
- Hospital Universitario de Navarra (HUN)
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Hoofdonderzoeker:
- Marta Barrado Los Arcos, MD
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Contact:
- Marta Barrado Los Arcos, MD
- Telefoonnummer: +34 848 42 84 82
- E-mail: marta.barrado.losarcos@navarra.es
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Onderonderzoeker:
- Amaya Sola Galarza, MD
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Onderonderzoeker:
- Elena Villafranca Iturre, MD
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Onderonderzoeker:
- Ignacio Visus Fernandez de Manzanos, MD
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Onderonderzoeker:
- Nuria Bultó Boque, MD
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Onderonderzoeker:
- Xabier Gurutzeaga Peleato, MD
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Principality of Asturias
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Oviedo, Principality of Asturias, Spanje, 33011
- Actief, niet wervend
- Hospital Universitario Central de Asturias
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Valencia
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Valencia, Valencia, Spanje, 46026
- Actief, niet wervend
- Hospital Universitario y Politécnico de La Fe
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Vizcaya
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Barakaldo, Vizcaya, Spanje, 48903
- Actief, niet wervend
- Hospital De Cruces
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Deelname Criteria
Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Kind
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Nee
Beschrijving
Inclusion Criteria:
- Patients with histologically prostate adenocarcinoma, confirmed with a biopsy.
- Testosterone in biochemical castration ranges (testosterone <50 ng/ml or 1.7 nmol/L) and documented progression: biochemical according to Phoenix criteria or distant by radiological confirmation (PSMA PET/CT or Choline PET/CT)
- Biochemistry progression confirmed according to Phoenix criteria, with testosterone in castration levels (testosterone <50 ng/ml or 1.7 nmol/L).
- Radiological confirmation (with choline-PET/CT or 68Ga-PSMA-PET/CT) of ≤5 node or bone metastasis, non-visceral, eligible to receive SBRT treatment (< 3 cm major diameter in bone metastases, < 5 cm in lymph node metastases). In the case of very close metastases, a limit of up to 5 treatment fields with SBRT is allowed, instead of 5 metastases.
- Patients candidate to receive treatment with abiraterone or enzalutamide as per clinical routine, and treatment selection and prescription assigned by responsible physician before the inclusion in the study. or or who has started treatment no more than 14 days prior to signing, as first-line treatment after a diagnosis of oligoresistance.
- Patients must provide written informed consent.
- Life expectancy > 3 months.
Exclusion Criteria:
- Patients with prostate carcinoma with histology other than adenocarcinoma.
- No previous biopsy.
- > 5 metastasis, not approachables in 5 treatment fields
- Patients with visceral metastasis and or metastasis non elegible to receive SBRT.
- Patients with Testosterone above castration levels
- Patients with prior treatment with docetaxel as first-line CRPC treatment (previous docetaxel treatment is permitted when administered as hormone-sensitive metastatic prostate cancer treatment.
Studie plan
Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: NVT
- Interventioneel model: Opdracht voor een enkele groep
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
|
Ander: Second generation antiandrogen plus SBRT
Each patient will be included in the study once the second generation antiandrogen is initiated (which will be maintained until radiological progression, suspension due to poor tolerance and/or exitus).
SBRT will be performed at least 2 weeks after initiating treatment with second generation antiandrogen, without exceeding 8 weeks from the start of treatment, and follow-up will continue up to a maximum of 36 months after completion of SBRT and/or exitus
|
Each patient will be included in the study once the second generation antiandrogen is initiated (which will be maintained until radiological progression, suspension due to poor tolerance and/or exitus)
Each patient will be included in the study once the second generation antiandrogen is initiated (which will be maintained until radiological progression, suspension due to poor tolerance and/or exitus)
Andere namen:
SBRT will be performed at least 2 weeks after initiating treatment with second generation antiandrogen, without exceeding 8 weeks from the start of treatment, and follow-up will continue up to a maximum of 36 months after completion of SBRT and/or exitus
|
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Determine the PRFS
Tijdsspanne: From the start of the study (the day it begins) or up to 14 days before the start of the study (corresponding to the start of treatment with second-generation antiandrogens) until the time of radiological progression during follow-up, it can be up to 36.
|
Determine the PRFS measured from the time of initiation of second-generation antiandrogen to the time of radiological progression by choline PET/CT or 68Ga-PSMA PET/CT, in patients with mCRPC treated with the combination of second-generation antiandrogen
|
From the start of the study (the day it begins) or up to 14 days before the start of the study (corresponding to the start of treatment with second-generation antiandrogens) until the time of radiological progression during follow-up, it can be up to 36.
|
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Overall survival
Tijdsspanne: From the start of second-generation antiandrogen therapy (at baseline or up to 14 days prior) to the date of death from any cause, assessed up to 36 months.
|
Overall survival (time from initiation of second-generation antiandrogen to exitus) in patients with mCRPC treated with the combination of second-generation antiandrogen plus SBRT.
|
From the start of second-generation antiandrogen therapy (at baseline or up to 14 days prior) to the date of death from any cause, assessed up to 36 months.
|
|
Quality of life by EORTC scale
Tijdsspanne: from recruitment to the end of patient follow-up (up to 36 months)
|
QoL using the European Organization for Research and Treatment of Cancer (EORTC) quality of life scale, EORTC QLQ-C30, validated for oncology patients. The scale converts all scores to a standardized range from 0 (minimum) to 100 (maximum). A high score indicates a better outcome (high quality of life and good health). |
from recruitment to the end of patient follow-up (up to 36 months)
|
|
Acute and chronic toxicity
Tijdsspanne: from recruitment to the end of patient follow-up (up to 36 months)
|
Acute and chronic toxicity according to the "Common Terminology Criteria for Adverse Events" (CTCAEv5.0)
scale
|
from recruitment to the end of patient follow-up (up to 36 months)
|
Medewerkers en onderzoekers
Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.
Sponsor
Medewerkers
Onderzoekers
- Hoofdonderzoeker: Marta Barrado Los Arcos, MD, Hospital of Navarra
Publicaties en nuttige links
De persoon die verantwoordelijk is voor het invoeren van informatie over het onderzoek stelt deze publicaties vrijwillig ter beschikking. Dit kan gaan over alles wat met het onderzoek te maken heeft.
Algemene publicaties
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- de Bono JS, Logothetis CJ, Molina A, Fizazi K, North S, Chu L, Chi KN, Jones RJ, Goodman OB Jr, Saad F, Staffurth JN, Mainwaring P, Harland S, Flaig TW, Hutson TE, Cheng T, Patterson H, Hainsworth JD, Ryan CJ, Sternberg CN, Ellard SL, Flechon A, Saleh M, Scholz M, Efstathiou E, Zivi A, Bianchini D, Loriot Y, Chieffo N, Kheoh T, Haqq CM, Scher HI; COU-AA-301 Investigators. Abiraterone and increased survival in metastatic prostate cancer. N Engl J Med. 2011 May 26;364(21):1995-2005. doi: 10.1056/NEJMoa1014618.
- Hellman S, Weichselbaum RR. Oligometastases. J Clin Oncol. 1995 Jan;13(1):8-10. doi: 10.1200/JCO.1995.13.1.8. No abstract available.
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- Scher HI, Fizazi K, Saad F, Taplin ME, Sternberg CN, Miller K, de Wit R, Mulders P, Chi KN, Shore ND, Armstrong AJ, Flaig TW, Flechon A, Mainwaring P, Fleming M, Hainsworth JD, Hirmand M, Selby B, Seely L, de Bono JS; AFFIRM Investigators. Increased survival with enzalutamide in prostate cancer after chemotherapy. N Engl J Med. 2012 Sep 27;367(13):1187-97. doi: 10.1056/NEJMoa1207506. Epub 2012 Aug 15.
- Beer TM, Armstrong AJ, Rathkopf DE, Loriot Y, Sternberg CN, Higano CS, Iversen P, Bhattacharya S, Carles J, Chowdhury S, Davis ID, de Bono JS, Evans CP, Fizazi K, Joshua AM, Kim CS, Kimura G, Mainwaring P, Mansbach H, Miller K, Noonberg SB, Perabo F, Phung D, Saad F, Scher HI, Taplin ME, Venner PM, Tombal B; PREVAIL Investigators. Enzalutamide in metastatic prostate cancer before chemotherapy. N Engl J Med. 2014 Jul 31;371(5):424-33. doi: 10.1056/NEJMoa1405095. Epub 2014 Jun 1.
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- Beer TM, Armstrong AJ, Rathkopf D, Loriot Y, Sternberg CN, Higano CS, Iversen P, Evans CP, Kim CS, Kimura G, Miller K, Saad F, Bjartell AS, Borre M, Mulders P, Tammela TL, Parli T, Sari S, van Os S, Theeuwes A, Tombal B. Enzalutamide in Men with Chemotherapy-naive Metastatic Castration-resistant Prostate Cancer: Extended Analysis of the Phase 3 PREVAIL Study. Eur Urol. 2017 Feb;71(2):151-154. doi: 10.1016/j.eururo.2016.07.032. Epub 2016 Jul 28.
- Benedict SH, Yenice KM, Followill D, Galvin JM, Hinson W, Kavanagh B, Keall P, Lovelock M, Meeks S, Papiez L, Purdie T, Sadagopan R, Schell MC, Salter B, Schlesinger DJ, Shiu AS, Solberg T, Song DY, Stieber V, Timmerman R, Tome WA, Verellen D, Wang L, Yin FF. Stereotactic body radiation therapy: the report of AAPM Task Group 101. Med Phys. 2010 Aug;37(8):4078-101. doi: 10.1118/1.3438081.
- Uppal A, Ferguson MK, Posner MC, Hellman S, Khodarev NN, Weichselbaum RR. Towards a molecular basis of oligometastatic disease: potential role of micro-RNAs. Clin Exp Metastasis. 2014 Aug;31(6):735-48. doi: 10.1007/s10585-014-9664-3. Epub 2014 Jun 27.
- Haffner MC, Mosbruger T, Esopi DM, Fedor H, Heaphy CM, Walker DA, Adejola N, Gurel M, Hicks J, Meeker AK, Halushka MK, Simons JW, Isaacs WB, De Marzo AM, Nelson WG, Yegnasubramanian S. Tracking the clonal origin of lethal prostate cancer. J Clin Invest. 2013 Nov;123(11):4918-22. doi: 10.1172/JCI70354. Epub 2013 Oct 25.
- Reese AS, Feigenberg SJ, Husain A, Webb TJ, Hausner PF, Edelman MJ, Feliciano J, Tkaczuk KH, Sharma NK. Stereotactic Ablative Radiotherapy (SABR): Impact on the Immune System and Potential for Future Therapeutic Modulation. Mol Cell Pharmacol. 2013 Jan 1;5(1):19-25.
- Conde-Moreno AJ, Lopez-Guerra JL, Macias VA, Vazquez de la Torre ML, Samper Ots P, San Jose-Maderuelo S, Pastor Peidro J, Lopez-Torrecilla J, Exposito-Hernandez J. Spanish Society of Radiation Oncology clinical guidelines for stereotactic body radiation therapy in lymph node oligometastases. Clin Transl Oncol. 2016 Apr;18(4):342-51. doi: 10.1007/s12094-015-1383-y. Epub 2015 Sep 2.
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- Armstrong AJ, Lin P, Tombal B, Saad F, Higano CS, Joshua AM, Parli T, Rosbrook B, van Os S, Beer TM. Five-year Survival Prediction and Safety Outcomes with Enzalutamide in Men with Chemotherapy-naive Metastatic Castration-resistant Prostate Cancer from the PREVAIL Trial. Eur Urol. 2020 Sep;78(3):347-357. doi: 10.1016/j.eururo.2020.04.061. Epub 2020 Jun 9.
- Rathkopf DE, Smith MR, de Bono JS, Logothetis CJ, Shore ND, de Souza P, Fizazi K, Mulders PF, Mainwaring P, Hainsworth JD, Beer TM, North S, Fradet Y, Van Poppel H, Carles J, Flaig TW, Efstathiou E, Yu EY, Higano CS, Taplin ME, Griffin TW, Todd MB, Yu MK, Park YC, Kheoh T, Small EJ, Scher HI, Molina A, Ryan CJ, Saad F. Updated interim efficacy analysis and long-term safety of abiraterone acetate in metastatic castration-resistant prostate cancer patients without prior chemotherapy (COU-AA-302). Eur Urol. 2014 Nov;66(5):815-25. doi: 10.1016/j.eururo.2014.02.056. Epub 2014 Mar 6.
- Kirby M, Hirst C, Crawford ED. Characterising the castration-resistant prostate cancer population: a systematic review. Int J Clin Pract. 2011 Nov;65(11):1180-92. doi: 10.1111/j.1742-1241.2011.02799.x.
Studie record data
Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.
Bestudeer belangrijke data
Studie start (Werkelijk)
16 mei 2024
Primaire voltooiing (Geschat)
16 mei 2030
Studie voltooiing (Geschat)
16 mei 2030
Studieregistratiedata
Eerst ingediend
13 juli 2026
Eerst ingediend dat voldeed aan de QC-criteria
16 juli 2026
Eerst geplaatst (Werkelijk)
21 juli 2026
Updates van studierecords
Laatste update geplaatst (Werkelijk)
21 juli 2026
Laatste update ingediend die voldeed aan QC-criteria
16 juli 2026
Laatst geverifieerd
1 juli 2026
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
- Urogenitale ziekten
- Genitale ziekten
- Genitale neoplasmata, mannelijk
- Urogenitale neoplasmata
- Neoplasmata per site
- Neoplasmata
- Genitale ziekten, man
- Prostaat Ziekten
- Mannelijke urogenitale ziekten
- Prostaatneoplasmata
- Prostaatneoplasmata, castratiebestendig
- Polycyclische verbindingen
- Steroïden
- Verbindingen met gefuseerde ring
- Androstenes
- Androstanes
- Abirateronacetaat
- enzalutamide
Andere studie-ID-nummers
- IRA-RAD-2022-001
- 2023-505024-62 (EudraCT-nummer)
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Nee
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
Nee
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