Not long after Chen returned to Taiwan, the second phase of clinical trials for Myozyme began. He invited the medical team of Hu Wu-liang, a physician in the pediatrics and genetic medicine departments at National Taiwan University, to join international clinical trials that included participation by nine medical centers in the US and Europe.
Myozyme 進行第二期臨床實驗時，陳垣崇剛返台不久，他邀請台大醫院小兒部及基因醫學部主治醫師胡務亮的醫療團隊加入，參與包括美國、歐洲等 9 個醫學中心的跨國臨床實驗計畫。