Protein Intake in Patients With Colorectal or Lung Cancer When Receiving a Nutritional Supplement

Inclusion Criteria: * Histologically proven CRC stage IIB, III or IV or histologically or cytologically proven NSCLC stage III or IV * Eligible and scheduled for first line chemotherapy, concurrent chemoradiotherapy or immunotherapy treatment with a planned duration of at least 12 weeks * Performance status Eastern Cooperative Oncology Group (ECOG) score 0 or 1 * Age ≥ 18 years * Written informed consent Exclusion Criteria: * Scheduled for first line chemotherapy, concurrent chemoradiotherapy or immunotherapy treatment starting ≤4 days after randomization * Received radiotherapy within 2 months prior to the study * Weight loss \>10% in the last 6 months * Body Mass Index \< 20.0 kg/m2 * Life expectancy \< 3 months * Prescription of oral nutritional supplementation (ONS) before start of first line treatment based on hospital's standard practice * Presence of ileostoma or ileal pouch * Contra-indications to oral feeding, high protein nutrition or to the test product (including galactosaemia) in the opinion of the investigator * Known pregnancy or lactation * Current alcohol or drug abuse in the opinion of the investigator * Investigator's uncertainty about the willingness or ability of the subject to comply with the protocol requirements * Participation in any other studies involving investigational or marketed products concomitantly or within two weeks prior to entry into the study