| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated  | 
| Completely Resected Stage II-III NSCLC | 
 
 
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| E.1.1.1 | Medical condition in easily understood language  | 
| Specific type of lung cancer called “Non-Small Cell Lung Cancer” at specific stage (stage II/III) | 
 
 
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| E.1.1.2 | Therapeutic area  | Diseases [C] - Cancer [C04] | 
| MedDRA Classification | 
| E.1.2 Medical condition or disease under investigation | 
| E.1.2 | Version  | 21.1 | 
 
| E.1.2 | Level  | PT | 
 
| E.1.2 | Classification code  | 10061873 | 
 
| E.1.2 | Term  | Non-small cell lung cancer | 
 
| E.1.2 | System Organ Class  | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) | 
 
 
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| E.1.3 | Condition being studied is a rare disease  |  No  | 
| E.2 Objective of the trial | 
| E.2.1 | Main objective of the trial  | 
| To assess the efficacy of durvalumab + SoC chemotherapy compared to placebo + SoC chemotherapy as measured by DFS using investigator assessment according to RECIST 1.1 in MRD+ patients | 
 
 
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| E.2.2 | Secondary objectives of the trial  | 
1. To assess the efficacy of durvalumab + SoC chemotherapy compared to placebo + SoC chemotherapy as measured by DFS using investigator assessment according to RECIST 1.1 in all patients 2. To assess the efficacy of durvalumab + SoC chemotherapy compared to placebo + SoC chemotherapy as measured by DFS using BICR assessments according to RECIST 1.1 in MRD+ patients and in all patients 3. To assess the efficacy of durvalumab + SoC chemotherapy compared to placebo + SoC chemotherapy as measured by OS in MRD+ patients and in all patients 4. To assess patient-reported symptoms, functioning, and HRQoL in MRD+ patients treated with durvalumab + SoC chemotherapy compared to placebo + SoC chemotherapy 5. To assess the PK of durvalumab 6. To investigate the immunogenicity of durvalumab | 
 
 
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| E.2.3 | Trial contains a sub-study  |  No  | 
| E.3 | Principal inclusion criteria  | 
1. Capable of giving signed informed consent, which includes a mandatory genetic informed consent and compliance with the requirements and restrictions listed in the informed consent forms (ICFs) and study protocol 2. Age ≥18 years at the time of screening 3. Diagnosis of histologically confirmed NSCLC (WHO 2015 classification) with resectable (stage II-III) disease  4. Complete resection of the primary NSCLC | 
 
 
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| E.4 | Principal exclusion criteria | 
1. Postoperative imaging demonstrating unequivocal evidence of disease recurrence or tissue biopsy-proven disease recurrence 2. EGFR-mutant and/or ALK-translocation  3. Mixed small cell and NSCLC histology 4. Received any prior adjuvant therapy for NSCLC or any prior exposure to durvalumab | 
 
 
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| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| DFS in MRD+ analysis set (using Investigator assessments according to RECIST 1.1) | 
 
 
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| E.5.1.1 | Timepoint(s) of evaluation of this end point | 
 | 
| E.5.2 | Secondary end point(s) | 
1. DFS in FAS (using Investigator assessments according to RECIST 1.1) 2. DFS (using BICR assessments according to RECIST 1.1) in MRD+ analysis set and in FAS 3. OS in MRD+ analysis set and in FAS 4. Change from baseline and time to deterioration in EORTC QLQ-C30 and EORTC QLQ-LC13 5.Concentration of durvalumab 6. Presence of ADAs for durvalumab | 
 
 
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| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
 | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis |  Yes  | 
| E.6.2 | Prophylaxis |  No  | 
| E.6.3 | Therapy |  Yes  | 
| E.6.4 | Safety |  Yes  | 
| E.6.5 | Efficacy |  Yes  | 
| E.6.6 | Pharmacokinetic |  Yes  | 
| E.6.7 | Pharmacodynamic |  No  | 
| E.6.8 | Bioequivalence |  No  | 
| E.6.9 | Dose response |  No  | 
| E.6.10 | Pharmacogenetic |  No  | 
| E.6.11 | Pharmacogenomic |  No  | 
| E.6.12 | Pharmacoeconomic |  No  | 
| E.6.13 | Others |  No  | 
| E.7 | Trial type and phase | 
| E.7.1 | Human pharmacology (Phase I) |  No  | 
| E.7.1.1 | First administration to humans |  No  | 
| E.7.1.2 | Bioequivalence study |  No  | 
| E.7.1.3 | Other |  No  | 
| E.7.1.3.1 | Other trial type description |  | 
| E.7.2 | Therapeutic exploratory (Phase II) |  No  | 
| E.7.3 | Therapeutic confirmatory (Phase III) |  Yes  | 
| E.7.4 | Therapeutic use (Phase IV) |  No  | 
| E.8 Design of the trial | 
| E.8.1 | Controlled |  Yes  | 
| E.8.1.1 | Randomised |  Yes  | 
| E.8.1.2 | Open |  No  | 
| E.8.1.3 | Single blind |  No  | 
| E.8.1.4 | Double blind  |  Yes  | 
| E.8.1.5 | Parallel group |  Yes  | 
| E.8.1.6 | Cross over  |  No  | 
| E.8.1.7 | Other |  No  | 
| E.8.2 |  Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) |  No  | 
| E.8.2.2 | Placebo  |  Yes  | 
| E.8.2.3 | Other |  No  | 
| E.8.2.4 | Number of treatment arms in the trial | 2 | 
| E.8.3 | 
                                The trial involves single site in the Member State concerned
                             |  No  | 
| E.8.4 |  The trial involves multiple sites in the Member State concerned  |  Yes  | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 6 | 
| E.8.5 | The trial involves multiple Member States |  Yes  | 
| E.8.5.1 | Number of sites anticipated in the EEA | 79 | 
| E.8.6 Trial involving sites outside the EEA | 
| E.8.6.1 | Trial being conducted both within and outside the EEA |  Yes  | 
| E.8.6.2 | Trial being conducted completely outside of the EEA |  No  | 
| E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned | 
| Argentina | 
 
| Australia | 
 
| Belgium | 
 
| Brazil | 
 
| Bulgaria | 
 
| Canada | 
 
| Czech Republic | 
 
| Denmark | 
 
| France | 
 
| Germany | 
 
| Hungary | 
 
| India | 
 
| Israel | 
 
| Italy | 
 
| Japan | 
 
| Korea, Republic of | 
 
| Mexico | 
 
| Netherlands | 
 
| Peru | 
 
| Poland | 
 
| Romania | 
 
| Russian Federation | 
 
| Spain | 
 
| Sweden | 
 
| Switzerland | 
 
| Taiwan | 
 
| Thailand | 
 
| Turkey | 
 
| United Kingdom | 
 
| United States | 
 
| Vietnam | 
 
 
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| E.8.7 | Trial has a data monitoring committee |  Yes  | 
| E.8.8 | 
                        Definition of the end of the trial and justification where it is not the last
                        visit of the last subject undergoing the trial
                     | 
The end of study is defined as the last expected visit/contact of the last patient undergoing the study. | 
 
 
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| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 6 | 
| E.8.9.1 | In the Member State concerned months | 0 | 
| E.8.9.1 | In the Member State concerned days | 0 | 
| E.8.9.2 | In all countries concerned by the trial years | 4 | 
| E.8.9.2 | In all countries concerned by the trial months | 6 |