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Study Assessing Stereotactic Radiotherapy in Therapeutic Strategy of Oligoprogressive Renal Cell Carcinoma Metastases (GETUG-StORM-01)

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ClinicalTrials.gov Identifier: NCT04299646
Recruitment Status : Recruiting
First Posted : March 9, 2020
Last Update Posted : August 10, 2022
National Cancer Institute, France
Information provided by (Responsible Party):
Centre Francois Baclesse

Brief Summary:

Every year, 12500 primary renal cell carcinoma (RCC) are diagnosed in France. Metastases occur in half of RCC patients.

Management of metastatic RCC is based on systemic treatments (targeted therapies/immunotherapy). However, resistance to systemic treatment is frequent. In case of progression, usual therapeutic attitude is initiating another systemic therapy.

Because of the emergence of resistant tumor clonal cells, some patients progress only on few sites while the rest of tumor burden is controlled. In this setting named oligoprogressive disease [isolated progression of <3-5 metastase(s)], ablative treatments of these evolving metastatic sites could allow a disease control and a reduced risk of new metastases occurrence by tumor-cell reembolization. Such strategy is challenging to prolong ongoing systemic treatment and delay further lines.

Although RCC was considered radioresistant and radiotherapy with conventional fractionation was mainly used for palliation of symptoms, stereotactic radiotherapy (SRT), by delivering high dose in one or few fractions, allows local control for about 90% of RCC metastases through various radiobiological pathways. Furthermore, some data suggest that high-dose focal irradiation of RCC could induce a systemic antitumor response mediated by immunologic effectors(1). This phenomenon ("abscopal effect") could be enhanced in patients under immunotherapy, including anti-PD1.

Several retrospective studies and one non-randomized phase-II study highly suggest the interest of SRT as focal ablative treatment in RCC oligometastases with excellent local control rates and low toxicity(2,3).

Furthermore, the multicentric retrospective study the sponsor recently conducted within the GETUG group among 101 metastatic RCC patients with oligoprogression under systemic therapy highlighted that SRT on progressive sites provided a median of 8.6-month progression-free survival and allowed to continue current systemic line for 10.5 months.

However, to date, there are no prospective data assessing the interest of SRT for management of oligoprogressive metastatic RCC.

The sponsor aim to prospectively evaluate the interest of SRT as a therapeutic strategy for local control of oligoprogressive metastatic RCC under ongoing systemic treatment, and consequently delay subsequent systemic treatment.

Condition or disease Intervention/treatment Phase
Metastatic Renal Cell Carcinoma Radiotherapy Radiation: Steretactic radiotherapy Drug: Pursuit of ongoing systemic treatment Phase 2

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 114 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Intervention Model Description: Randomized 2:1 phase II trial
Masking: Single (Participant)
Primary Purpose: Treatment
Official Title: A Randomized Phase II Study Assessing Stereotactic Radiotherapy in Therapeutic Strategy of Oligoprogressive Renal Cell Carcinoma Metastases
Actual Study Start Date : July 1, 2020
Estimated Primary Completion Date : January 2023
Estimated Study Completion Date : September 2023

Arm Intervention/treatment
Experimental: Steretactic radiotherapy plus systemic treatment Radiation: Steretactic radiotherapy
Steretactic radiotherapy

Drug: Pursuit of ongoing systemic treatment
Pursuit of ongoing systemic treatment

Active Comparator: Systemic treatment Drug: Pursuit of ongoing systemic treatment
Pursuit of ongoing systemic treatment

Primary Outcome Measures :
  1. Progression-free survival [ Time Frame: 6 months post-randomization ]

Secondary Outcome Measures :
  1. Number of participants with treatment-related adverse events as assessed by CTCAE v4.0 [ Time Frame: Until 1 month after end of treatment ]
  2. Local control rate [ Time Frame: 3, 6 and 12 months after randomization ]
  3. Overall control rate [ Time Frame: 3, 6 and 12 months after randomization ]

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Clear cell renal cancer histologically proved (association with other histologic component are permitted)
  • Patients of good or intermediate prognostic, according to Heng criteria
  • Extracerebral metastatic disease documented with imagery
  • Patients treated in first or second line systemic therapy
  • Systemic treatment may be targeted therapies (tyrosine kinase inhibitors or mammalian target of rapamycin inhibitors) and/or immunotherapy according to French applicable standards; patients treated in a clinical trial are also eligible if allowed by trial sponsor
  • Oligoprogressive disease documented with imagery, defined as the emergence or progression of 1 to 3 metastases and progression localized in up to 2 organs
  • Oligoprogressive disease confirmed with 2 CT scans performed 2 months apart
  • At least one measurable progressing metastasis according to R.E.C.I.S.T. criteria v1.1
  • All oligoprogressive target lesions measuring ≤ 4 cm
  • Good general condition (WHO performance status ≤ 2)
  • All progressive lesions have to be accessible to SRT, performed concurrently or sequentially
  • No contraindication to systemic therapy and stereotactic radiation therapy
  • Patients aged 18 years or older
  • Signed informed consent form
  • Patients affiliated to the social security system

Exclusion Criteria:

  • More than 3 progressive metastases
  • Non measurable disease according R.E.C.I.S.T. criteria
  • Patients who received 3 or more lines of systemic therapy
  • Inability to treat all progressive metastatic sites with SRT
  • Previous radiation therapy performed in ≥ 1 target lesion
  • At least 1 oligoprogressive target lesion measuring > 4 cm
  • Presence of brain metastases
  • Presence of ultra-central pulmonary metastasis
  • Progressing metastasis in a long bone
  • At least 1 progressive metastasis requiring surgical treatment
  • Current or past history of second neoplasm diagnosed within the last 5 years
  • Pregnancy or breast feeding or inadequate contraceptive measures
  • Patients who cannot be adequately followed up
  • Patient deprived of freedom or under guardianship

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04299646

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Contact: Emmanuel MEYER, MD + 332 31 45 50 20 e.meyer@mail.baclesse.fr
Contact: Jean-Michel GRELLARD +33 2 31 45 50 02 jm.grellard@baclesse.unicancer.fr

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Sponsors and Collaborators
Centre Francois Baclesse
National Cancer Institute, France
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Responsible Party: Centre Francois Baclesse
ClinicalTrials.gov Identifier: NCT04299646    
Other Study ID Numbers: GETUG-StORM-01
First Posted: March 9, 2020    Key Record Dates
Last Update Posted: August 10, 2022
Last Verified: August 2022
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Carcinoma, Renal Cell
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Kidney Neoplasms
Urologic Neoplasms
Urogenital Neoplasms
Neoplasms by Site
Kidney Diseases
Urologic Diseases