345. Acute Onset Diabetic Ketoacidosis/Hyperosmolar Hyperglycemic State in Patients Taking Integrase Strand Transfer Inhibitors

Background A few case reports have noted uncontrolled hyperglycemia in patients switched to dolutegravir. Several cohort studies have found increased weight gain among patients treated with integrase inhibitors (INSTI). We present clinical observations among 3 patients admitted to hospital for diabetic ketoacidosis (DKA) and hyperosmolar hyperglycemic state (HHS) while receiving INSTIs for the management of HIV. Methods Case 1: A 44-year-old man with HIV and dyslipidemia presented with altered mental status and lethargy. A fingerstick glucose was >600 mg/dL. Chemistries revealed glucose of 1,600 mg/dL and an elevated β-hydroxybutyrate. HbA1c was 12.4%. His antiretroviral regimen consisted of cEVG/TAF/FTC for the last 3 years. Previous HbA1c levels were 5.7% and 6.2% (Figure 1). Case 2: A 55-year-old woman with HIV, hypertension, dyslipidemia, and obesity presented with polyuria and polydipsia. The blood glucose level was >1,200 mg/dL with an anion gap >30 and HbA1c of 15%. Previous HbA1c levels ranged between 5.6 and 5.8% (Figure 2). She had been taking ABC/FTC/DTG for 2 years. Case 3: A 64 yo man with a history of HIV, hypertension, and obesity presented with polyuria and polydipsia. The blood glucose level was 1,152 mg/dL with no anion gap and HbA1c of 13.4%. Six months before, he had been switched from a c/DRV- based ART regimen to ABC/FTC/DTG. Previous HbA1c levels ranged between 5.8% and 6.2% (Figure 3). Results Discussion: In the first 2 patients, the presentation with acute onset DKA occurred more than a year after being on an INSTI-based regimen; however, the latter patient presented with HHS within 6 months of being switched to an INSTI-containing regimen. The mechanism of action of INSTIs causing weight gain or an association with hyperglycemia is still under investigation. Conclusion Although the temporal onset of DKA and HHS while receiving INSTIs was not precise, the possible association of INSTIs and their direct effects on insulin resistance and diabetes warrant additional attention from post-market data. Meanwhile, providers should monitor INSTI-treated patients closely, especially those with features of metabolic syndrome. Disclosures All authors: No reported disclosures.