- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04952480
Dose-escalated Adaptive Radiotherapy of Thoracic Disease for Small Cell Lung Cancer (DARTS)
Dose-escalated Adaptive Radiotherapy of Thoracic Disease for Small Cell Lung Cancer (DARTS): A Prospective Phase II Trial Evaluating Local Control of Adaptive Dose-escalated Radiotherapy
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This will be an open-label, single-arm, phase II study comparing dose escalated adaptive thoracic radiotherapy to historical control of standard of care single planned radiotherapy field for entire treatment course in patients with newly diagnosed limited stage small cell lung cancer eligible for concurrent chemoradiation with platinum doublet based chemotherapy, or extensive stage small cell lung cancer patients with radiation-targetable intra-thoracic disease and none or limited extra-thoracic disease that are eligible for up-front platinum doublet chemotherapy and are fit to receive concurrent radiotherapy.
The adaptive dose-escalated radiotherapy treatment plan will be delivered in three sequential phases with two scheduled replans during the treatment along with scaled dose limits for organs-at-risk. Up to 70 Gy in 35 fractions can be delivered to the disease without overdosing organs-at-risk, and treatment will last 5 - 7 weeks. Scheduled CT simulations for the replans will be at fraction 5 and fraction 10 to account for the expected rapidly shrinking tumour volumes. Participants will be followed for 24 months to investigate local failure rate, medium progression-free survival, overall survival, acute radiation toxicity, and late radiation toxicity. Follow-up after the study will be as per standard-of-care for secondary endpoints.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Yee Don, MD
- Phone Number: 780-432-8783
- Email: don.yee@ahs.ca
Study Locations
-
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Alberta
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Edmonton, Alberta, Canada, T6G 1Z2
- Recruiting
- Cross Cancer Institute
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Minimum 18 years of age
- Biopsy proven, newly diagnosed, untreated SCLC
- Completed standard of care staging investigations including: CT chest/abdomen/pelvis, bone scan and/or or PET-CT scan, CT head or MRI brain, or chest X-ray
- Eligible for platinum doublet chemotherapy
- Eligible for thoracic radiotherapy, which can also include ipsilateral supraclavicular lymph node disease
- Capable of providing written, informed consent prior to participation in the study. Patient's legally authorized representative (LAR) may sign on behalf of the patient.
- Able and willing to comply with protocol rules and follow-up regimen
- Performance status of ECOG 0-2
- Pulmonary function tests showing FEV-1 >1.0L and DLCO > 50% predicted
- Radiation-targetable intrathoracic disease
Exclusion Criteria:
- No intrathoracic disease seen to target with radiation
- Thoracic disease is contiguous to extra-thoracic sites, beyond ipsilateral supraclavicular lymph nodes
- Mixed histology disease
- Active serious infection requiring therapy
- Brain metastasis that has not been symptomatically stable on dexamethasone
- 4 or more sites of extrathoracic disease, even if 2 or more of these are present in the same organ system
- Previous CNS or thoracic radiotherapy
- Previous chemotherapy
- Ineligibility for platinum doublet chemotherapy
- Life expectancy of less than 3 months
- Prior thoracic surgery
- History of another primary malignancy other than cutaneous basal cell carcinoma unless disease-free for at least 5 years
- Pregnant or breast-feeding
- In LS-SCLC, patients that are not eligible for concurrent chemoradiotherapy
- In ES-SCLC, patients that are not eligible for concurrent chemoradiotherapy under the experimental arm
- CT contrast allergy or kidney disease with irreversibly low creatinine clearance inadequate for IV contrast administration (for the purposes of high quality contrast enhanced CT chest and abdomen for follow-up imaging)
- Lack of intrathoracic disease or intrathoracic disease spread not feasible to treat with adaptive radiotherapy
- Participant in development and conduct of the research study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Dose-escalated adaptive chemoradiotherapy
Concurrent with standard of care platinum doublet based chemotherapy (cisplatin + etoposide), radiation treatment plan will be delivered in three sequential phases with two scheduled replans during the treatment along with scaled dose limits for organs-at-risk: Phase 1 dose prescription = 14 Gy in 7 fractions; Phase 2 dose prescription = 10 Gy in 5 fractions starting the day after the final (7th) fraction is delivered; Phase 3 dose prescription = either a) 70 Gy in 35 fractions, or if this cannot be safely reached without exceeding the dose limit of an organ-at-risk, b) the maximum safe prescribe-able dose tolerance specified in the protocol.
Either 3D conformal radiotherapy or IMRT planning and delivery techniques will be employed, including contouring relevant thoracic organs-at-risk.
All CT simulation scans will be without contrast.
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Adaptive planning of Radiation Therapy with two re-plans of the treatment field through course of therapy with the shrinking treatment fields according to tumor response to escalate dose, as allowed by dose to organs-at-risk.
Concurrent standard of care platinum doublet based therapy
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Local failure rate
Time Frame: The local failure rate will be assessed at the time point of 24 months.
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The time from diagnostic biopsy to documented progression of intrathoracic disease as assessed by CT or X-ray imaging.
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The local failure rate will be assessed at the time point of 24 months.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Progression-free survival
Time Frame: Median time to PFS in study population. Expected to be within 24 months.
|
Time from diagnostic biopsy to first documented clinical or radiographic evidence of local progression or new metastatic disease.
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Median time to PFS in study population. Expected to be within 24 months.
|
Overall survival
Time Frame: Median time to OS in study population. Expected to be within 24 months.
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Time from diagnostic biopsy to death of the patient.
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Median time to OS in study population. Expected to be within 24 months.
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Acute radiation toxicity
Time Frame: Expected to be within 3 months.
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Toxicity during and in the 3 months after radiotherapy as defined by CTCAE v.5 for esophagus, skin, lung, heart, and subcutaneous tissue.
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Expected to be within 3 months.
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Late radiation toxicity
Time Frame: Late toxicity will be assessed up to 24 months post-treatment.
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Toxicity seen 3 months after radiotherapy as defined by CTCAE v.5 for esophagus, skin, lung, heart, and subcutaneous tissue.
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Late toxicity will be assessed up to 24 months post-treatment.
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Yee Don, MD, Cross Cancer Institute, Alberta Health Services
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IIT-0015
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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