Ertugliflozin Type 2 Diabetes Mellitus (T2DM) Pediatric Study (MK-8835/PF-04971729) (MK-8835-059)

Inclusion Criteria: The main inclusion criteria include but are not limited to the following: * Be ≥10 years and ≤17 years of age, when the informed consent is signed * Has diabetes diagnosed by one of the American Diabetes Association (ADA) criteria. * Has body mass index (BMI) ≥85th percentile at screening OR participant has a history of being overweight or obese at time of diagnosis of Type 2 diabetes mellitus (T2DM). * T2DM for ≥2 years, OR T2DM for \<2 years and a fasting C-peptide value \>0.6 ng/mL at Screening. * On stable metformin monotherapy (≥1500 mg/day, for ≥8 weeks prior to Screening, OR on a stable metformin dose (≥1500 mg/day, for ≥8 weeks prior to Screening and a stable dose of insulin for ≥8 weeks prior to Screening. * Contraceptive use by male participants should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. * Is a non-sterilized female who is currently not sexually active OR who agrees to abstain from heterosexual activity OR who agrees to start contraception prior to initiating sexual activity and who agrees to use an adequate method of contraception. Contraceptive use by females should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies. * Have a family member or adult who, along with the participant, will be closely involved in the participant's daily activities (in the opinion of the investigator) and in the p…