Please assess the completion status of the following clinical trial:

Trial Title: Efficacy of Corifollitropin Alfa Versus Follitropin Beta in Aged IVF (In-vitro Fertilization) Patients

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Each subject must be willing and able to provide written informed consent for the study.~* Each subject must be female with years of age ≥35 to ≤42 at the time of recruitment..~* Each subject must have an indication for controlled ovarian stimulation and IVF~* Each subject must have a body weight ≥ 50.0 kg, with a body mass index (BMI) ≥18.0 to ≤32.0 kg/m2.~* Each subject must have a regular spontaneous menstrual cycle with an intra-individual variation not outside the 24 to 35 days range.~* For each subject, ejaculatory sperm must be available (use of donated and/or cryopreserved sperm is allowed; sperm obtained via surgical sperm retrieval is not allowed).~* Each subject must have results of clinical laboratory test (complete blood count, blood chemistries, and urinalysis) within normal limits or clinically acceptable to the investigator, as measured by the local laboratory at screening. A normal cervical smear result, obtained within 12 months, otherwise it must be obtained during screening.~* Each subject must have results of a physical examination, including blood pressure, within normal limits or clinically acceptable limits to the investigator.~* Each subject must have normal ovarian reserve, based on anti-Mullerian hormon (AMH) of 1.38 - 3.25ng/ml or an antral follicle count (AFC) of 7-20, taken within 2 months prior to corifollitropin alfa start.~* Each subject must be able to adhere to dose and visit schedules and willing to disclose any medical events to the investigator.~Exclusion Criteria:~* The subject has a recent (ie, within 3 years) history of/ or any current endocrine abnormality (irrespective whether the patient is stabilized on treatment).~* The subject has a history of ovarian hyper-response (ie, previous IVF cycle with more than 30 follicles ≥11 mm on ultrasound) or ovarian hyperstimulation syndrome (OHSS).~* The subject has a history of/or current polycystic ovary syndrome (PCOS)~* The subject has more 20 basal antral follicles \<11 mm (both ovaries combined) as measured on ultrasound in the early follicle phase (menstrual cycle day 2-5).~* The subject has less than 2 ovaries in any other ovarian abnormality (including endometrioma \> 10 mm; visible on ultrasound).~* The subject has unilateral or bilateral hydrosalpinx (visible on ultrasound, less clipped).~* The subject has any intra-uterine fibroids \>5 cm or any clinically relevant pathology, which could impair embryo implantation or pregnancy continuation.~* The subject has more than three unsuccessful treatment cycles for IVF/ICSI.~* The subject has a history of non- or low avarian response to FSH / Human Menopausal Gonadotropin (hMG) treatment (ie, previous COS cycle cancelled due to insufficient ovarian response or ≤3 oocytes obtained).~* The subject has a history of current miscarriage (3 or more, even when explained).~* The subject has FSH \> 15.0 IU/L or LH \> 12 .0 IU/L as measured by the local laboratory (sample taken during the early follicle phase: menstrual cycle day 2 to 5).~* The subject has tested positive for human immunodeficiency virus (HIV) or Hepatitis B (results obtained within one year) .~* The subject has contra-indications for the use of gonadotropins (eg, tumors, pregnancy/lactation, undiagnosed vaginal bleeding, hypersensitivity, or ovarian cysts) or GnRH antagonist (eg, hypersensitivity, pregnancy/lactation).~* The subject has a concomitant use of either LH or hMG/urinary FSH preparations in study cycle.~* The subject has a recent history of/or current epilepsy, thrombophilia, diabetes, cardiovascular, gastro-intestinal, hepatic, renal or pulmonary or auto-immune disease requiring regular treatment.~* The subject or the sperm donor has known gene defects, genetic abnormalities, or abnormal karyotyping, relevant for the current indications or for the health of the offspring.~* The subject smokes or has recently stopped smoking (ie, within the last 3 months prior to signing ICF).~* The subject has a history or presence of alcohol or drug abuse within 12 months prior to signing informed consent.~* The subject has an allergy/ sensitivity to investigational drugs or their excipients.~* The subject has used any experimental drugs within 3 months prior to signing informed consent.~* The subject is participating in any other clinical study (excluding surveys).

- Gender: FEMALE
- Minimum Age: 35 Years
- Maximum Age: 42 Years
- Healthy Volunteers: f

Study Arms:
- corifollitropin alfa (long action FSH) (Type: ACTIVE_COMPARATOR): corifollitropin alfa 150 mcg subcutaneous injection. Seven days after, combines with recombinant FSH 300 IU daily subcutaneous injection
- Follitropin Beta (recombinant FSH) (Type: ACTIVE_COMPARATOR): 300 IU of recombinant FSH, daily subcutaneous injection

Based on this trial design, predict the completion outcome and termination type (if applicable).

Answer: outcome: complete