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Retrospective Cervical Cancer Oligo States (Recurrence, Metastasis) Multicentre Outcomes Study

Retrospective Cervical Cancer Oligo States (Recurrence, Metastasis) Multicentre Outcomes Study (Retro-COSMOS). An EMBRACE Collaborative Initiative in Recurrent and Metastatic Cervix Cancer.

Status
Not yet recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT06150222
Acronym
Retro-COSMOS
Enrollment
350
Registered
2023-11-29
Start date
2023-11-30
Completion date
2027-07-31
Last updated
2023-12-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cancer, Cervical, Metastasis, Recurrence

Keywords

Reirradiation, OligoRecurrence, Oligometastasis

Brief summary

This multi centric international retrospective study aims to register patients with oligo metastatic and oligo recurrent cervical cancer. The study will register patients in planned period with an aim to analyse clinical outcomes with or without use of radiation in this setting.

Detailed description

Detailed clinical protocol can be obtained by contacting the principal investigator.

Interventions

OTHERConcurrent Chemoradiation, Systemic Chemotherapy other locally directed therapies (like surgery, ablation, etc.)

The aim is to include all patients with (induced) oligo metastatic and oligo recurrent settings, irrespective of whether treated with concurrent chemoradiation, systemic chemotherapy, or with other locally directed therapies (like surgery, ablation, etc.)

Sponsors

Tata Memorial Centre
CollaboratorOTHER
Erasmus Medical Center
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 100 Years
Healthy volunteers
No

Inclusion criteria

1. Cervical cancer with (induced) oligo-metastatic and/or oligo-recurrent cervix cancer whether treated or not treated with radiation. These patients may have received previous treatment within or outside approved clinical trials/studies. 2. Patients with poly-metastatic disease with good response to systemic chemotherapy and treated with radiation to recurrence or metastatic site. 3. Patients treated with radical doses at the time of first diagnosis of oligo-metastasis/oligo-recurrence and present with further oligo-progression. 4. Patients with oligo-metastasis or oligo-recurrence treated with other locally directed therapies (like surgery, ablation, etc.) are also permitted.

Exclusion criteria

1. Gynecological cancer other than cervical cancer 2. Persistent Poly-metastatic disease post systemic treatment 3. Receiving investigational new drugs at the time of relapse as part of other ongoing trials 4. No clinical follow up after treatment

Design outcomes

Primary

MeasureTime frameDescription
3-year overall survivalFrom date of diagnosis of recurrence untill the date of death due to any cause or date of censoring at the last time the subject was known to be alive, whichever came first, assessed upto 3 years after initiation of the studyTo estimate overall survival of patients diagnosed with oligo-recurrent and (induced) oligo-metastatic cervix cancer.

Secondary

MeasureTime frameDescription
3- year Progression free survivalFrom date of first disease progression to subsequent disease progression or death from any cause, whichever came first, assessed upto 3 years after initiation of the studyTo estimate overall progression-free survival of patients diagnosed with oligo-recurrent and (induced) oligo-metastatic cervix cancer.
Dose response relationship of nodal and visceral progressionsFrom date of start of treatment of disease progression, assessed upto 3 yearsRadiation Dose-Response Curve will be generated for mean time to nodal and visceral progressions at different dose level
Dose response relationship within setting of re-irradiation (infield progressions)From date of start of treatment of disease progression, assessed upto 3 yearsRadiation Dose-Response Curve will be generated for mean time to infield progression at different dose level
3-year Infield progression free survivalFrom date of first disease progression to date of subsequent progression or death from any cause, whichever came first, assessed upto 3 years after initiation of the studyTo estimate infield progression-free survival and progression-free interval of patients diagnosed with oligo-recurrent and (induced) oligo-metastatic cervix cancer.
Report on various risk groups within oligo-metastatic and oligo-recurrent settingFrom date of recurrence to end of study, assessed upto 3 years after initiation of the studyClinical, pathological, and treatment-related factors of patients recorded during the sudy will be used to develop multivariable risk models to identify risk factors and define various risk groups within oligo-metastatic and oligo-recurrent setting
Nomogram which correlates risk groups with expected outcomes within the (induced) oligo-metastatic and oligo-recurrent settingFrom date of recurrence to end of study, assessed upto 3 years after initiation of the studyNomogram will be developed which could estimate the probability of a expected outcomes (overall survival, infield progression free survival, overall progression free survival) based on the risk group the patient belongs to within oligo-metastatic and oligo-recurrent setting.
Tissue based biomarkersFrom date of start of recurrence to end of study, assessed upto 3 years after initiation of the studySponsor Institute will facilitate storage of biopsy tissue of patients within oligo-metastatic and oligo-recurrent setting included in this study. In future, these tissue samples will be used for translational reseach in this field.
Moderate to severe adverse events within the (induced) oligo-metastatic and oligo-recurrent setting ( including toxicity with targeted agents like bevacuzimab and pembrolizumab)From date of start of treatment of recurrence to end of study, assessed upto 3 years after initiation of the studyNumber or percent of participants with treatment-related moderate to severe adverse events as assessed by CTCAE v4.0 (If available)

Contacts

Primary ContactRene Vernhout, MSc
r.vernhout@erasmusmc.nl+31 107041341

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026