| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| Histologically proven metastatic breast cancer. |  | 
| MedDRA Classification | 
| 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 investigate the efficacy of 2 doses of ZK 219477 in patients with metastatic breast cancer in progression following a maximum of 2 previous regimen of chemotherapy.  Previous chemotherapy must not include taxanes or vinca alkaloids. |  | 
| E.2.2 | Secondary objectives of the trial | 
| To investigate safety and tolerability of 2 doses of ZK 219477. |  | 
| E.2.3 | Trial contains a sub-study | Information not present in EudraCT | 
| E.3 | Principal inclusion criteria | 
| 1. Females aged >/= 18 years 
 2. Histologically proven (at diagnosis), metastatic breast cancer
 
 3. At least 1 unidimensionally measurable lesion (suitable for modRECIST evaluation)
 
 4. Performance status: WHO 0-1
 
 5. Progression of disease following a maximum of two previous steps of chemotherapy, including treatments in an adjuvant or neoadjuvant setting
 
 6. No previous taxane or vinca alkaloid treatment
 
 7. No more than 1 non cytotoxic therapy (biologic agents)
 
 8. No radiotherapy, chemotherapy, or immune/biologic therapy within 3 weeks prior to first dose of ZK 219477
 
 9. Adequate recovery from previous surgery, radiation, and chemotherapy
 
 10. Adequate function of major organs and systems
 
 Hematopoietic:
 - Hemoglobin 			>/= 10 g/dL
 - WBC				 >/= 3,000/mm3
 - Absolute neutrophil count 	>/= 1,500/mm3
 - Platelet count 		>/= 100,000/mm3
 
 Hepatic:
 - Bilirubin within normal limits
 - AST/ALT		 </= 5 times the upper limit of normal
 
 Renal:
 - Creatinine 		</= 2 mg/dL
 
 Cardiovascular:
 - No New York Heart Association (NYHA) class III or IV
 heart failure (see Attachment 4)
 - No unstable angina pectoris
 - No arrhythmia needing continuous treatment
 
 No other uncontrolled concurrent illness
 
 11. Negative pregnancy test at enrollment (females of childbearing potential only)
 
 12. Agreement to use highly effective contraception methods (intra-uterine contraceptive device [IUCD], condoms, oral contraceptives, or other adequate barrier contraception) in females of child-bearing potential
 
 13. In case the patients participate in the optional PET-Scan substudy: Able to tolerate PET imaging
 
 14. Written informed consent
 
 |  | 
| E.4 | Principal exclusion criteria | 
| 1. More than 2 previous chemotherapy regimens (including those given in an adjuvant or neo-adjuvant setting) 
 2. Peripheral neuropathy
 
 3. Any prior treatment with epothilones
 
 4. Use of any investigational drug within 4 weeks before start of study treatment or inadequate recovery from any toxic effects of such therapy
 
 5. Candidacy for curative resection
 
 6. Brain metastases requiring whole-brain irradiation
 
 7. Any concurrent malignancy other than non-melanoma skin cancer or carcinoma in situ of the cervix
 
 8. Active infection
 
 9. Breast-feeding
 
 10. Any conditions that in the opinion of the investigator could hamper the compliance with the study protocol
 
 11. In case the patients participate in the optional PET-Scan substudy: Poorly controlled diabetes defined as fasting glucose levels of >200 mg/dL.
 
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Proportion of patients with either CR or PR as best overall response |  | 
| E.6 and E.7 Scope of the trial | 
| E.6 | Scope of the trial | 
| E.6.1 | Diagnosis | No | 
| 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 | Yes | 
| E.6.10 | Pharmacogenetic | Information not present in EudraCT | 
| E.6.11 | Pharmacogenomic | Yes | 
| E.6.12 | Pharmacoeconomic | No | 
| E.6.13 | Others | Yes | 
| E.6.13.1 | Other scope of the trial description |  | 
| 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) | Yes | 
| E.7.3 | Therapeutic confirmatory (Phase III) | No | 
| E.7.4 | Therapeutic use (Phase IV) | No | 
| E.8 Design of the trial | 
| E.8.1 | Controlled | No | 
| 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 | No | 
| E.8.1.5 | Parallel group | No | 
| E.8.1.6 | Cross over | No | 
| E.8.1.7 | Other | No | 
| E.8.1.7.1 | Other trial design description | 
| uncontrolled, open, parallel group comparison of two doses |  | 
| E.8.2 | Comparator of controlled trial | 
| E.8.2.1 | Other medicinal product(s) | No | 
| E.8.2.2 | Placebo | No | 
| E.8.2.3 | Other | No | 
| 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.8.5 | The trial involves multiple Member States | Yes | 
| 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 | Information not present in EudraCT | 
| 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 |  | 
| E.8.7 | Trial has a data monitoring committee | Information not present in EudraCT | 
| 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 |  | 
| E.8.9 Initial estimate of the duration of the trial | 
| E.8.9.1 | In the Member State concerned years | 1 | 
| E.8.9.1 | In the Member State concerned months | 3 | 
| E.8.9.1 | In the Member State concerned days |  | 
| E.8.9.2 | In all countries concerned by the trial years | 1 | 
| E.8.9.2 | In all countries concerned by the trial months | 3 |