[us opioid manufacturer Mallinckrodt may file for bankruptcy again] the Wall Street Journal quoted people familiar with the matter as saying that the US drugmaker Vivienko, which will pay a sum of opioids within weeks, is considering a number of options, including re-filing for bankruptcy after emerging from bankruptcy protection last year. The lending group, which is advised by law firm Gibson Dunn & Crutcher, has been discussing with the firm how to deal with the $200m payment and may restructure its debt.