LAT for Oligoprogressive NSCLC Treated With First-line OSImertinib

  • STATUS
    Recruiting
  • participants needed
    39
  • sponsor
    Universitaire Ziekenhuizen Leuven
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Updated on 16 February 2024
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Summary

To determine whether in patients with EGFR mutated advanced NSCLC and osimertinib as first-line treatment, the (repeated) use of LAT to 3 OP lesions and continuation of first-line osimertinib, improves the median progression-free survival by more than 3 months (i.e. PFS2-PFS1 = >3 months).

Description

The (repeated) use of LAT to 3 OP lesions with continuation of first-line osimertinib, is endorsed by international guidelines (NCCN, ESMO).

In this phase IIb prospective non-randomized observational trial, we want to document the benefit of LAT in this patient cohort.

Details
Condition Non-Small Cell Lung Cancer With Mutation in Epidermal Growth Factor Receptor
Age 18years - 100years
Treatment Local ablative therapy
Clinical Study IdentifierNCT04216121
SponsorUniversitaire Ziekenhuizen Leuven
Last Modified on16 February 2024

Eligibility

 Yes No Not Sure

Inclusion Criteria

Male or female, 18 years of age
Established histological diagnosis of advanced NSCLC, not suitable for radical treatment, with an EGFR actionable mutation receiving first-line targeted TKI therapy with osimertinib
Initial radiologically confirmed response (at least stable disease) to osimertinib assessed 3 months post commencing osimertinib according to RECIST criteria v1.1
Confirmed OPD defined as 3 intra- and extracranial sites of progressive disease. OP may be defined as progression of an individual metastasis according to RECIST or on 2 consecutive imaging studies at least 2 months apart with a minimum of 5mm increase in size from baseline or an unambiguous development of a new metastatic lesion with a grand total of 3 lesions. All sites must be visible, imaging defined targets, not previously treated with radiation or radiofrequency and suitable for treatment with LAT as determined by the local multi-disciplinary team (MDT)
Adequate baseline organ function to allow LAT to all the OP targets
Predicted life expectancy 6 months
Karnofsky Index 60% and ECOG 0-2
Provision of written informed consent
Female participants must be surgically sterile or postmenopausal if SBRT is planned to the abdominal area or must agree to use effective contraception during the period of therapy

Exclusion Criteria

> 3 sites of progressive disease
Oligoprogressive metastases not amenable to LAT
Radiotherapy or radiofrequency ablation near the OP lesion prior to the inclusion in the LAT-FLOSI study
Co-morbidities considered clinically precluding the safe use of LAT
Any psychological, sociological or geographical issue potentially hampering compliance with the study
Pregnancy
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