This study will evaluate the pharmacokinetics (relative bioavailability) and pharmacodynamics, after single subcutaneous application, in healthy volunteers of both sexes, between pegfilgrastim formulation, produced by Eurofarma Laboratorios S/A and Neulastim® (reference formulation), marketed by Produtos Roche Químicos e Farmacêuticos S/A.

In addition to that, a pharmacodynamics comparison will be performed, through change in absolute neutrophil count in leukogram performed in the same time of pharmacokinetics analysis collection and through CD34+ cell count in peripheral blood at timepoints 0:00, 96:00 and 384:00 hours.

Inclusion Criteria:

• Body mass index equals to or higher than 18.5 and equals to or less than 29.9 kg/m2.
• The volunteer is in good health conditions and does not have clinically significant diseases, as per medical opinion, according to Medical History, measurements of Blood Pressure, Heart Rate and Temperature, Physical Exam, Electrocardiogram, and complementary Laboratorial Exams.
• Able to understand the study nature and objective, including risks and adverse events and who intends to cooperate with the researcher and act according to the whole study requirements, which is confirmed by the signature in the Informed Consent Form.

Exclusion Criteria:

• The volunteer is known to have hypersensitivity to the study drug product or to chemically-related compounds.
• History or presence of hepatic or gastrointestinal diseases or other condition interfering with drug product absorption, distribution, excretion or metabolism.
• Use of maintenance therapy with any drug product, except for oral contraceptive pills.
• History of hepatic, renal, pulmonary, gastrointestinal, neurological, hematological, psychiatric, cardiologic or allergic disease of any etiology requiring pharmacological treatment or that is considered clinically relevant by the researcher.
• Electrocardiographic findings are not recommended by the researcher for participating in the study.
• Results of complementary laboratorial exams outside the values considered normal according to this protocol rules, unless they are considered non-clinically significant by the researcher.
• Smoking.
• Daily intake of more than 5 cups of tea or coffee.
• History of drug or alcohol abuse.
• Use of regular medication within 2 weeks preceding the beginning of this study or use of any medication one week before starting this study.
• Hospital admission for any reason up to 8 weeks before the start of the first study treatment period.
• Treatment in the last 3 months before starting this study treatment with any drug product known to have a well-defined toxic potential in large organs.
• Participation in any pharmacokinetics study with collection of more than 300 mL of blood or intake of any experimental drug product in the last six months before starting the study treatment.
• Donation or loss of 450 mL or more of blood in the last three months preceding the study or donation of more than 1500 mL of blood in the last 12 months before starting the study treatment.
• Reagent result for urine βHCG exam, performed in female volunteers.
• Positive result in urine test for detection of abuse drugs.
• Result higher than 0.1 mg/L in ethylometer test.
• Any condition preventing participation in the study as per researcher's opinion.