Shares of biotech company Solid Biosciences (NASDAQ: SLDB) skyrocketed on Feb. 18 after the firm released key clinical data. Solid shares ended the day up nearly 32%. So, what information came out resulting in this massive single-day rise?

Shares of Solid Biosciences (NASDAQ:SLDB) jumped ~88% in the premarket on Tuesday after the gene therapy developer reported promising early results from a Phase 1/2 trial for its lead asset SGT-003 in Duchenne muscular dystrophy,

Solid said that the first patients to receive its Duchenne gene therapy all produced high levels of the target protein, an early sign of promise

Day 90 biopsy data reported from first 3 participants dosed in Phase 1/2 INSPIRE DUCHENNE trial —— Average microdystrophin expression of 110% (N=3) and significant improvements in multiple additional muscle health biomarkers observed support the potential of SGT-003 as a next-generation,

Solid Biosciences has surged back into the Duchenne muscular dystrophy (DMD) gene therapy race. | Solid Biosciences has surged back into the Duchenne muscular dystrophy gene therapy race. The biotech reported expectation-busting phase 1 data on its next-generation candidate,

Solid Biosciences’ gene therapy uses a shortened version of the dystrophin protein, which is engineered to mimic the key functions of full-length dystrophin and allows it be delivered more effectively to muscle cells.

Boston, USA-based biotech Solid Biosciences saw its shares rocket 36% to $5.48 yesterday, after the precision genetic medicines for neuromuscular and cardiac diseases company announced positive initial data from the Phase I/II INSPIRE DUCHENNE trial evaluating SGT-003.

The company raised $200 million after early findings hinted its therapy could be more potent than others like it, including Sarepta Therapeutics’ Elevidys.