Primary: Maximum tolerated dose (MTD) Secondary: Determination of the pharmacokinetic profile of BI 2536. Assessment of safety and efficacy.

Inclusion criteria:

• Patients with confirmed diagnosis of advanced, non resectable and/or metastatic solid tumours, who have failed conventional treatment, or for whom no therapy of proven efficacy exists, or who are not amenable to established forms of treatment
• Evaluable tumour deposits
• Age 18 years or older
• Life expectancy of at least six months
• Written informed consent consistent with international conference of harmonization (ICH) - good clinical practice (GCP) and local legislation
• Eastern Cooperative Oncology Group (ECOG) performance score ≤ 2
• Full recovery from all therapy-related toxicities from previous chemo-, hormone-, immuno-, or radiotherapies

Exclusion Criteria:

• Serious illness or concomitant non-oncological disease considered by the investigator to be incompatible with the protocol
• Pregnancy or breastfeeding
• Active infectious disease
• Known brain metastases
• Second malignancy requiring therapy
• Absolute neutrophil count less than 1500/mm3
• Platelet count less than 100 000/mm3
• Bilirubin greater than 1.5 mg/dl (> 26 μmol/L)
• Aspartate amino transferase (AST) and/or alanine amino transferase (ALT) greater than 2.5 times the upper limit of normal (if related to liver metastases greater than five times the upper limit of normal)
• Serum creatinine greater than 1.5 mg/dl (> 132 μmol/L)
• Women and men who are sexually active and unwilling to use a medically acceptable method of contraception
• Treatment with other investigational drugs or participation in another clinical trial within the past four weeks before start of therapy or concomitantly with this trial (except for present trial drug)

Once the criteria in section "Time Frame" are fulfilled, researchers can use the following link https://www.mystudywindow.com/msw/datasharing to request access to the clinical study documents regarding this study, and upon a signed "Document Sharing Agreement".

Furthermore, researchers can request access to the clinical study data, for this and other listed studies, after the submission of a research proposal and according to the terms outlined in the website.

One year after the approval has been granted by major Regulatory Authorities and after the primary manuscript has been accepted for publication, or after termination of the development program.

For study documents - upon signing of a "Document Sharing Agreement". For study data - 1. after the submission and approval of the research proposal (checks will be performed by the sponsor and/or the independent review panel, including checking that the planned analysis does not compete with sponsor's publication plan); 2. and upon signing of a legal agreement.