Study: NCT04866017

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Tislelizumab
Description: 200 mg intravenously every three weeks

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Tislelizumab
Description: 200 mg intravenously every three weeks

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Durvalumab
Description: 10 milligrams per kilogram (mg/kg) intravenously once every 2 weeks (or 1500 mg intravenously once every 4 weeks where the dosage has been approved by a local health authority)

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Ociperlimab
Description: 900 milligrams (mg) intravenously every three weeks

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Chemotherapy
Description: The chemotherapy regimen for the study treatment was selected at the investigator's discretion and may include one of the following options:~* Cisplatin (50 mg/m²) on days 1 to 5 of each cycle, combined with etoposide (50 mg/m²) on days 1 and 8, both administered intravenously for 2 cycles. Each cycle was 28 days.~* Carboplatin (AUC 2) weekly for 6 weeks, combined with paclitaxel (40-50 mg/m²) weekly for 6 weeks, both administered intravenously.~* Cisplatin (75 mg/m²) combined with pemetrexed (500 mg/m²) on day 1 of each cycle, administered intravenously for 2 cycles. Each cycle was 21 days.~* Carboplatin (AUC 5) combined with pemetrexed (500 mg/m²) on day 1 of each cycle, administered intravenously for 2 cycles. Each cycle was 21 days.~The pemetrexed plus platinum regimen was only for participants with non-squamous histology.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Chemotherapy
Description: The chemotherapy regimen for the study treatment was selected at the investigator's discretion and may include one of the following options:~* Cisplatin (50 mg/m²) on days 1 to 5 of each cycle, combined with etoposide (50 mg/m²) on days 1 and 8, both administered intravenously for 2 cycles. Each cycle was 28 days.~* Carboplatin (AUC 2) weekly for 6 weeks, combined with paclitaxel (40-50 mg/m²) weekly for 6 weeks, both administered intravenously.~* Cisplatin (75 mg/m²) combined with pemetrexed (500 mg/m²) on day 1 of each cycle, administered intravenously for 2 cycles. Each cycle was 21 days.~* Carboplatin (AUC 5) combined with pemetrexed (500 mg/m²) on day 1 of each cycle, administered intravenously for 2 cycles. Each cycle was 21 days.~The pemetrexed plus platinum regimen was only for participants with non-squamous histology.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Chemotherapy
Description: The chemotherapy regimen for the study treatment was selected at the investigator's discretion and may include one of the following options:~* Cisplatin (50 mg/m²) on days 1 to 5 of each cycle, combined with etoposide (50 mg/m²) on days 1 and 8, both administered intravenously for 2 cycles. Each cycle was 28 days.~* Carboplatin (AUC 2) weekly for 6 weeks, combined with paclitaxel (40-50 mg/m²) weekly for 6 weeks, both administered intravenously.~* Cisplatin (75 mg/m²) combined with pemetrexed (500 mg/m²) on day 1 of each cycle, administered intravenously for 2 cycles. Each cycle was 21 days.~* Carboplatin (AUC 5) combined with pemetrexed (500 mg/m²) on day 1 of each cycle, administered intravenously for 2 cycles. Each cycle was 21 days.~The pemetrexed plus platinum regimen was only for participants with non-squamous histology.

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Radiotherapy
Description: All participants recieved radiotherapy using either a standardized 3-dimensional conformal radiotherapy technique, or intensity modulated radiotherapy (IMRT) on a linear accelerator delivering a beam energy of ≥ 6 MV. The total dose of radiotherapy was 60 Gy, administered in 30 once-daily fractions of 2 Gy and 5 fractions per week for 6 weeks.

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Radiotherapy
Description: All participants recieved radiotherapy using either a standardized 3-dimensional conformal radiotherapy technique, or intensity modulated radiotherapy (IMRT) on a linear accelerator delivering a beam energy of ≥ 6 MV. The total dose of radiotherapy was 60 Gy, administered in 30 once-daily fractions of 2 Gy and 5 fractions per week for 6 weeks.

Intervention type: RADIATION
Group type: EXPERIMENTAL
Intervention: Radiotherapy
Description: All participants recieved radiotherapy using either a standardized 3-dimensional conformal radiotherapy technique, or intensity modulated radiotherapy (IMRT) on a linear accelerator delivering a beam energy of ≥ 6 MV. The total dose of radiotherapy was 60 Gy, administered in 30 once-daily fractions of 2 Gy and 5 fractions per week for 6 weeks.