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Primary Radiotherapy In MEtastatic Lung Cancer

A Randomised Phase III Trial of Up-front Radiotherapy With Standard-of-care Systemic Therapy in Advanced Lung Cancer

Status
Not yet recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07135882
Acronym
PRIME-Lung
Enrollment
420
Registered
2025-08-22
Start date
2026-08-25
Completion date
2036-12-31
Last updated
2026-07-31

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

Conditions

Carcinoma, Non-Small-Cell Lung (NSCLC)

Keywords

Non-Small Cell Lung Cancer, Lung Neoplasms, Lung Cancer, Clinical reseach, Radiation Therapy, Advanced lung cancer

Brief summary

Lung cancer has the highest mortality rate of all cancers in Australia and is an area of unmet need. It starts in the lung (the primary tumour), and then spreads (metastasise) to other organs. The PRIME-Lung clinical trial will investigate if radiotherapy to the primary lung tumour, in addition to standard drug therapies, for patients with metastatic lung cancer will lead to less spread of cancer, prolong life, improve patient well-being and be cost-effective for the health care system.

Detailed description

Lung cancer is the leading cause of cancer-related death and is the second most common cancer in both men and women in Australia, and globally. Non-small cell lung cancer (NSCLC) accounts for 85% of cases. Almost half of the cases present with metastatic disease, in whom average survival is less than two years despite recent advances with immunotherapy. Drug therapies alone have not been able to overcome this ceiling in survival. The primary lung tumour is a source of ongoing seeding of new metastatic (secondary) sites of disease, and we will test whether eradication of the primary tumour through non-invasive radiotherapy will limit metastases, enhance the effect of drug therapy and ultimately improve patient outcomes. Radiotherapy is a rapidly translatable solution to address this unmet need. In the Primary Radiotherapy In MEtastatic Lung cancer (PRIME-Lung) trial, patients with metastatic NSCLC will receive standard of care systemic therapy with or without radiotherapy to the primary lung tumour. We hypothesise that radiotherapy will improve overall survival above standard of care drug therapy. PRIME-Lung is a randomised controlled phase III clinical trial and will provide a definitive answer to this critical issue. The study team includes representation from radiation and medical oncology, physics, respiratory medicine, biostatistics, health economics and quality of life experts. The PRIME-Lung trial was designed in consultation with consumers to ensure acceptability and applicability to this area of unmet need. Furthermore, to accelerate rollout and accessibility, the trial will build on the existing AURORA lung cancer registry, leveraging the registry's established data management processes and over 25 already active sites. As radiotherapy is a pillar of oncology and widely available, upon successful completion of this trial we expect rapid translation into the community and widespread adoption of the trial results.

Interventions

Standard of care (SoC) regimens available on the Australian PBS or relevant practice framework (Ireland and Canada) as per usual standard clinical practice are allowable in this protocol as SoC regimens. Radiotherapy Techniques: * Highly conformal techniques (IMRT/VMAT) * High-precision techniques are allowed for non-centrally located primaries Radiotherapy Dose: \- Several fractionation schedules allowed; minimum biological effective dose approximating 50Gy (α/β ratio = 10); 50Gy in 20 fractions, 40Gy in 15 fractions, and 35Gy in 5 fractions

DRUGStandard of Care (SOC)

Standard of care (SoC) regimens available on the Australian PBS or relevant practice framework (Ireland and Canada) as per usual standard clinical practice are allowable in this protocol as SoC regimens.

Sponsors

Trans Tasman Radiation Oncology Group
Lead SponsorOTHER
Thoracic Oncology Group of Australasia (TOGA)
CollaboratorUNKNOWN

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Newly diagnosed metastatic (stage IV) NSCLC, not amenable to curative surgery or curative radiotherapy * Histologically or cytologically documented NSCLC * EGFR/ALK/ROS1 Wild-type * Primary suitable for radiotherapy and not requiring immediate palliative thoracic irradiation * Investigator deemed appropriate for SoC systemic therapy * Metastases in up to 3 organ systems

Exclusion criteria

* Medically unfit for systemic therapy * EGFR/ALK/ROS1 mutation positive or actionable driver mutation with intention to use available targeted drug therapy * Has had previous thoracic radiotherapy of \> 36Gy within the 6 months prior to randomisation. * Has been diagnosed and/or treated additional malignancy within 2 years prior to randomisation with the exception of: Curatively treated basal cell carcinoma of the skin, squamous cell carcinoma of the skin, curatively treated early-stage cervical cancer, breast cancer or prostate cancer with no evidence of active disease and not on active therapy. Other exceptions may be considered following consultation with the principal investigator * Has a history of (non-infectious) pneumonitis or current pneumonitis that requires active corticosteroids with a dose equivalent of prednisolone \> 10mg/d. * A known diagnosis of fibrotic interstitial lung disease * Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial. * Uncontrolled brain metastasis not amenable to debulking surgery or stereotactic radiotherapy * Has an active autoimmune disease that has required systemic treatment within last year (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment and is allowed

Design outcomes

Primary

MeasureTime frameDescription
Overall survival5 years after the last participant was recruitedTo assess the overall survival of patients receiving SoC systemic therapy with or without radiotherapy to the primary lung tumour

Secondary

MeasureTime frameDescription
Thoracic toxicity as assessed by National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) v5.02-years after the last participant has been randomisedTo assess the safety of the addition of radiotherapy by describing thoracic toxicities of interest during the follow up period in each arm (as assessed by NCI CTCAE v5.0) and to describe the discontinuation rate of systemic therapy and reasons for discontinuation
Progression Free Survival2-years after the last participant has been randomisedTo assess the likelihood of progression, or death, in each arm
Cancer specific survival2-years after the last participant has been randomisedTo assess death from cancer-related causes in each arm
Patient Reported Quality of Life (QoL) assessed using EORTC QLQ-C30 questionnaire2-years after the last participant has been randomisedTo compare the effect of treatment on overall QOL, at each time point (baseline, 3, 6, 12, and 24 months) between trial arms, collected on European Organization for the Research and Treatment of Cancer (EORTC) Quality of Life Core 30 (QLQ-C30) questionnaire.
Cost effectiveness of RT plus SoC compared with SoC alone with respect to the incremental cost per quality-adjusted life year (QALYs) gained2-years after the last participant has been randomisedPatient-specific costs associated with accessing care, particularly those associated with travel time for attendance, will be assessed based on questionnaires. QALYs, the combined impact of lung cancer and its treatment on survival and QoL, will be estimated by using the EORTC QLU-C10D (derived from the EORTC QLQ-C30) and EQ-5D-5L.

Countries

Australia

Contacts

CONTACTPRIME-Lung CRA
primelung@trog.com.au+61240143911
STUDY_CHAIRShankar Siva

Peter MacCallum Cancer Centre, Australia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 1, 2026