1. Scrip
  2. >>R&D
  3. >>Clinical Trials

Neurocrine Blames Sub-Par Dosing For Ingrezza Study Failure

 
• By Mandy Jackson

Neurocrine's stock fell 9% on May 24 after the company said a closely-watched Phase II study for Ingrezza in pediatric Tourette's syndrome failed, but blamed a sub-therapeutic dose for the disappointing results. Most analysts gave the prospects for a higher dose study the benefit of the doubt.

chemistry

Neurocrine Biosciences Inc. blamed a too-low dose for the failure of Ingrezza (valbenazine) in a Phase II pediatric Tourette's syndrome clinical trial and while many analysts conceded that a planned Phase IIb study with a higher dose may produce a positive result, they expect approval to be delayed by a few years.

San Diego, Calif.-based Neurocrine won US FDA approval for Ingrezza to treat the movement disorder tardive dyskinesia in April. Tourette's...

Read the full article – start your free trial today!

Join thousands of industry professionals who rely on Scrip for daily insights

  • Start your 7-day free trial
  • Explore trusted news, analysis, and insights
  • Access comprehensive global coverage
  • Enjoy instant access – no credit card required
Start Free Trial

Already a subscriber?

More from Clinical Trials

Otsuka’s IgAN Data Top Some Vera Results, But To What End?

 
• By Joseph Haas

Otsuka bested Vera on Phase III immunoglobulin A nephropathy data for proteinuria, but analysts wonder if the difference is especially meaningful.

ASCO: Kite’s Glioblastoma CAR-T Highlights Solid Tumor Progress

 
• By Alaric DeArment

The company presented Phase I data for CART-EGFR-IL13Rα2, showing patient responses in the notoriously hard-to-treat and deadly brain cancer.

Santen Sees Potential In Myopia Market After Ryjunea Approval

 
• By Kevin Grogan

The low-dose atropine eye drop slowed the progression of pediatric myopia by 30%.

Will Pfizer Walk Away From Arvinas After PROTAC Disappointment?

 
• By Andrew McConaghie

Arvinas and Pfizer have just filed the potential first-in-class protein degrader vepdegestrant, but its diminished commercial prospects after mixed Phase III data mean Pfizer could exit.

More from R&D

Deal Build-Up Amid Early ‘Deep’ Response For IGI’s Trispecific In Myeloma

 
• By Anju Ghangurde

IGI CEO tells Scrip about the “very encouraging” feedback at ASCO to promising early data for the firm's first-in-class investigational trispecific antibody in multiple myeloma. Is a licensing deal in the offing?

Ascletis Plans China Submission After Positive Denifanstat Phase III Acne Results

 
• By Sushmita Panda

Once-daily oral FASN inhibitor denifanstat meets all endpoints in a Chinese Phase III trial for moderate-to-severe acne, paving the way for a regulatory submission in China.

New Regenxbio DMD Data Support Gene Therapy Accelerated Approval

 
• By Joseph Haas

Regenxbio reported functional and biomarker data from an ongoing study of RGX-202, which it hopes to file for approval in Duchenne muscular dystrophy in 2026.