uniQure seeks US approval for Huntington's gene therapy after FDA reversal ↧ ↧ uniQure seeks US approval for Huntington's gene therapy after FDA r... Dutch gene therapy developer uniQure said on Wednesday it had applied for U.S. approval of its experimental treatment for Huntington's disease after the FDA reversed ​its earlier position on the drug, sending the company's shares ‌up 5% in premarket trading.