The United States charged leaders of the Mexico-based Sinaloa Cartel with running a fentanyl trafficking operation fueled by Chinese chemical and pharmaceutical companies. Three sons of Joaquin “El Chapo” Guzman, the onetime leader of the Sinaloa Cartel now imprisoned in the United States, were among those charged. (Reuters)

Many baby formula claims have “little or no scientific” proof, a recent study found. A study in the British Medical Journal says many infant formulas that say they’ll help develop a baby’s brain, eyes, nervous system or immune system aren’t substantiated. (MarketWatch)

Scientists reported a breakthrough in identifying Parkinson’s disease. Researchers backed by the Michael J. Fox Foundation say the discovery of a new biomarker could rapidly accelerate testing for and treatment of the disease. (ABC News)

Cigna’s pharmacy benefit manager Express Scripts has given customers a clearer view on drug pricing after rising scrutiny of PBMs in Washington. The unit, Express Scripts, will also offer a plan that caps patients’ out-of-pocket costs from $5 to $45 per prescription, depending on the drug. (Bloomberg)

Alvotech shares dropped 20% after the Food and Drug Administration issued a complete response letter for AVT02. The complete response letter stated that the application could not be approved at this time based on deficiencies associated with Alvotech’s manufacturing facility that must be satisfactorily resolved. (Business Insider)