Trial Outcomes & Findings for SABR-ATAC: A Trial of TGF-beta Inhibition and Stereotactic Ablative Radiotherapy for Early Stage Non-small Cell Lung Cancer (NCT NCT02581787)

NCT ID: NCT02581787

Last Updated: 2024-03-27

Results Overview

DLT is defined as CTCAE grade 3 or higher radiation pneumonitis or bronchopulmonary hemorrhage.

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

28 participants

Primary outcome timeframe

Up to 30 days

Results posted on

2024-03-27

Participant Flow

28 participants signed consent; 24 were allocated to treatment.

Participant milestones

Participant milestones
Measure
(Phase 1) Fresolimumab 3 mg/kg
Patients receive fresolimumab 3 mg/kg IV on days 1, 15, and 36 and undergo SABR in 4 fractions between days 8 and 12.
(Phase 1) Fresolimumab 1 mg/kg
Patients receive fresolimumab 1 mg/kg IV on days 1, 15, and 36 and undergo SABR in 4 fractions between days 8 and 12.
(Phase 2) Fresolimumab
Fresolimumab will be administered IV at the dose selected in the preceding Phase 1 on Days 1, 15 and 36 and SABR will be administered in 4 fractions between Days 8 and 12.
Phase 1
STARTED
5
0
0
Phase 1
Received Treatment
5
0
0
Phase 1
Completed Radiation
4
0
0
Phase 1
Completed FRESO Treatments
4
0
0
Phase 1
Completed 12-month Follow-up Visit
5
0
0
Phase 1
COMPLETED
4
0
0
Phase 1
NOT COMPLETED
1
0
0
Phase 2
STARTED
0
0
19
Phase 2
Received Treatment
0
0
18
Phase 2
Completed Radiation
0
0
17
Phase 2
Completed FRESO Treatments
0
0
13
Phase 2
Completed 12-month Follow-up Visit
0
0
13
Phase 2
COMPLETED
0
0
12
Phase 2
NOT COMPLETED
0
0
7

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

SABR-ATAC: A Trial of TGF-beta Inhibition and Stereotactic Ablative Radiotherapy for Early Stage Non-small Cell Lung Cancer

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
(Phase 1) Fresolimumab 3 mg/kg
n=5 Participants
Patients receive fresolimumab 3 mg/kg IV on days 1, 15, and 36 and undergo SABR in 4 fractions between days 8 and 12.
(Phase 2) Fresolimumab
n=19 Participants
Fresolimumab will be administered IV at the dose selected in the preceding Phase 1 on Days 1, 15 and 36 and SABR will be administered in 4 fractions between Days 8 and 12.
Total
n=24 Participants
Total of all reporting groups
Age, Customized
50-59 years
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Age, Customized
60-69 years
2 Participants
n=5 Participants
4 Participants
n=7 Participants
6 Participants
n=5 Participants
Age, Customized
70-79 years
3 Participants
n=5 Participants
9 Participants
n=7 Participants
12 Participants
n=5 Participants
Age, Customized
80-89 years
0 Participants
n=5 Participants
5 Participants
n=7 Participants
5 Participants
n=5 Participants
Sex: Female, Male
Female
3 Participants
n=5 Participants
8 Participants
n=7 Participants
11 Participants
n=5 Participants
Sex: Female, Male
Male
2 Participants
n=5 Participants
11 Participants
n=7 Participants
13 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
5 Participants
n=5 Participants
19 Participants
n=7 Participants
24 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
2 Participants
n=7 Participants
2 Participants
n=5 Participants
Race (NIH/OMB)
White
5 Participants
n=5 Participants
14 Participants
n=7 Participants
19 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
5 Participants
n=5 Participants
19 Participants
n=7 Participants
24 Participants
n=5 Participants

PRIMARY outcome

Timeframe: Up to 30 days

DLT is defined as CTCAE grade 3 or higher radiation pneumonitis or bronchopulmonary hemorrhage.

Outcome measures

Outcome measures
Measure
(Phase 1) Fresolimumab 3 mg/kg
n=5 Participants
Patients receive fresolimumab 3 mg/kg IV on days 1, 15, and 36 and undergo SABR in 4 fractions between days 8 and 12.
Number of Participants Experiencing Dose Limiting Toxicities (DLTs) of Fresolimumab When Combined With SABR (Phase I)
0 Participants

PRIMARY outcome

Timeframe: 12 months

Population: Patients who met criteria to be considered for endpoint analysis.

Presence of radiation induced pulmonary fibrosis is defined as presence of a moderate-to-severe level of fibrosis. This outcome is primary in phase 2 patients.

Outcome measures

Outcome measures
Measure
(Phase 1) Fresolimumab 3 mg/kg
n=15 Participants
Patients receive fresolimumab 3 mg/kg IV on days 1, 15, and 36 and undergo SABR in 4 fractions between days 8 and 12.
Number of Participants With Late Radiation Induced Fibrosis
5 Participants

SECONDARY outcome

Timeframe: 12 months

Presence of radiation induced pulmonary fibrosis is defined as presence of a moderate-to-severe level of fibrosis. This outcome is secondary for phase 1 patients.

Outcome measures

Outcome measures
Measure
(Phase 1) Fresolimumab 3 mg/kg
n=5 Participants
Patients receive fresolimumab 3 mg/kg IV on days 1, 15, and 36 and undergo SABR in 4 fractions between days 8 and 12.
Number of Participants With Late Radiation Induced Fibrosis (Phase 1 Patients)
1 Participants

Adverse Events

(Phase 1) Fresolimumab 3 mg/kg

Serious events: 0 serious events
Other events: 5 other events
Deaths: 4 deaths

(Phase 2) Fresolimumab

Serious events: 6 serious events
Other events: 15 other events
Deaths: 5 deaths

Serious adverse events

Serious adverse events
Measure
(Phase 1) Fresolimumab 3 mg/kg
n=5 participants at risk
Patients receive fresolimumab 3 mg/kg IV on days 1, 15, and 36 and undergo SABR in 4 fractions between days 8 and 12.
(Phase 2) Fresolimumab
n=19 participants at risk
Fresolimumab will be administered IV at the dose selected in the preceding Phase 1 on Days 1, 15 and 36 and SABR will be administered in 4 fractions between Days 8 and 12.
Blood and lymphatic system disorders
anemia
0.00%
0/5 • 12 months
10.5%
2/19 • 12 months
Cardiac disorders
av block
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Gastrointestinal disorders
upper gastrointestinal hemorrhage
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Infections and infestations
lung infection
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Infections and infestations
sepsis
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Metabolism and nutrition disorders
dehydration
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Nervous system disorders
encephalopathy
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Nervous system disorders
mental changes status
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Respiratory, thoracic and mediastinal disorders
dyspnea
0.00%
0/5 • 12 months
15.8%
3/19 • 12 months
Respiratory, thoracic and mediastinal disorders
respiratory failure
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months

Other adverse events

Other adverse events
Measure
(Phase 1) Fresolimumab 3 mg/kg
n=5 participants at risk
Patients receive fresolimumab 3 mg/kg IV on days 1, 15, and 36 and undergo SABR in 4 fractions between days 8 and 12.
(Phase 2) Fresolimumab
n=19 participants at risk
Fresolimumab will be administered IV at the dose selected in the preceding Phase 1 on Days 1, 15 and 36 and SABR will be administered in 4 fractions between Days 8 and 12.
Blood and lymphatic system disorders
anemia
0.00%
0/5 • 12 months
26.3%
5/19 • 12 months
Cardiac disorders
atrial fibrillation
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Cardiac disorders
chest pain - cardiac
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Gastrointestinal disorders
esophagitis
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Gastrointestinal disorders
abdominal pain
20.0%
1/5 • 12 months
5.3%
1/19 • 12 months
Gastrointestinal disorders
bloating
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Gastrointestinal disorders
dysphagia
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Gastrointestinal disorders
mucositis oral
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Gastrointestinal disorders
nausea
40.0%
2/5 • 12 months
5.3%
1/19 • 12 months
General disorders
edema limbs
0.00%
0/5 • 12 months
15.8%
3/19 • 12 months
General disorders
fatigue
40.0%
2/5 • 12 months
31.6%
6/19 • 12 months
General disorders
infusion related reaction
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
General disorders
non-cardiac chest pain
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Infections and infestations
r cheek skin lesion
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Infections and infestations
upper respiratory infection
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Infections and infestations
rash pustular
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Injury, poisoning and procedural complications
dermatitis radiation
0.00%
0/5 • 12 months
15.8%
3/19 • 12 months
Investigations
creatinine increased
0.00%
0/5 • 12 months
10.5%
2/19 • 12 months
Investigations
weight loss
0.00%
0/5 • 12 months
10.5%
2/19 • 12 months
Investigations
lymphocyte count decreased
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Investigations
wbc decreased
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Investigations
lymphocyte count decrease
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Metabolism and nutrition disorders
anorexia
20.0%
1/5 • 12 months
10.5%
2/19 • 12 months
Metabolism and nutrition disorders
hyponatremia
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Musculoskeletal and connective tissue disorders
musculoskeletal pain
0.00%
0/5 • 12 months
42.1%
8/19 • 12 months
Musculoskeletal and connective tissue disorders
neck pain
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Nervous system disorders
headache
0.00%
0/5 • 12 months
21.1%
4/19 • 12 months
Nervous system disorders
dizziness
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Nervous system disorders
presyncope
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Respiratory, thoracic and mediastinal disorders
hemoptysis
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Respiratory, thoracic and mediastinal disorders
cough
20.0%
1/5 • 12 months
36.8%
7/19 • 12 months
Respiratory, thoracic and mediastinal disorders
dyspnea
20.0%
1/5 • 12 months
21.1%
4/19 • 12 months
Respiratory, thoracic and mediastinal disorders
bronchial obstruction (copd)
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Respiratory, thoracic and mediastinal disorders
wheezing
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Respiratory, thoracic and mediastinal disorders
pneumonitis
20.0%
1/5 • 12 months
10.5%
2/19 • 12 months
Respiratory, thoracic and mediastinal disorders
pulmonary fibrosis
0.00%
0/5 • 12 months
15.8%
3/19 • 12 months
Skin and subcutaneous tissue disorders
pruritus
0.00%
0/5 • 12 months
10.5%
2/19 • 12 months
Skin and subcutaneous tissue disorders
skin atrophy
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Vascular disorders
hypertension
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Vascular disorders
hypotension
0.00%
0/5 • 12 months
5.3%
1/19 • 12 months
Infections and infestations
papulopustular rash
20.0%
1/5 • 12 months
0.00%
0/19 • 12 months
Respiratory, thoracic and mediastinal disorders
atelectasis
20.0%
1/5 • 12 months
0.00%
0/19 • 12 months
Skin and subcutaneous tissue disorders
skin hyperpigmentation
20.0%
1/5 • 12 months
0.00%
0/19 • 12 months

Additional Information

Maximilian Diehn, MD, PhD

Stanford University

Phone: (650) 721-1550

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place