Drug Development
Analysts said the outcome is disappointing because there are no approved treatments for dyskinetic cerebral palsy, but the setback had little impact on Neurocrine’s valuation.
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In the midst of regulatory and political upheaval, biopharma’s R&D engine kept running, churning out highs and lows in equal parts. Here are some of this year’s most glorious clinical trial victories.
Every year in biopharma brings its share of grueling defeats, and 2025 was no different, especially for companies targeting neurological diseases. Some failures split up partners, and one particularly egregious case even led to the demise of an entire company.
The R&D pipeline for depression therapies faced a demoralizing 2025 as five high-profile candidates, including KOR antagonists by Johnson & Johnson and Neumora Therapeutics, flunked late-stage clinical trials, underscoring the persistent challenges of CNS drug development.
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Despite the disappointing late-stage results in non-small cell lung cancer, Jefferies analyst Stephen Barker contends the likelihood of FDA approval “remains high” for the experimental antibody-drug conjugate, though the regulator is now more likely to convene an advisory committee.
Terns Pharmaceuticals will advance TERN-601 into Phase II after early-stage data showed the oral therapy led to weight loss of 4.9%, comparable with weight loss pills Lilly and Pfizer are developing, according to analysts.
Set to start in 2025, Relay Therapeutics is moving toward a pivotal study of experimental treatment RLY-2608 in heavily pretreated locally advanced or metastatic breast cancer.
GSK’s twice-yearly depemokimab reduced asthma attacks by half and cut clinic visits by nearly three-quarters, positioning it for an estimated $4 billion in peak sales if approved.
In advanced non-small cell lung cancer, Summit Therapeutics’ ivonescimab appears to be 49% more effective at reducing the risk of disease progression or death versus Merck’s Keytruda in a late-stage study. However, analysts contend the caveat is that the trial was conducted in an entirely Chinese patient population.
Follow-up data from the MARIPOSA study show a favorable overall survival trend versus Tagrisso in EGFR-mutated advanced non-small cell lung cancer. The findings come just weeks after the Rybrevant-Lazcluze combination was approved for the first-line treatment.
Using a computational biomarker, the companies say they can identify which patients would derive significant clinical benefit from their experimental antibody-drug conjugate. AstraZeneca and Roche are co-developing and commercializing a companion diagnostic for the biomarker.
Bispecific antibodies and anti-TIGIT therapies both appear to be writing comeback stories as cancer experts head to Barcelona for the 2024 European Society for Medical Oncology Congress. Radioligand therapies and synthetic lethality assets are also attracting attention.
The next generation of Alzheimer’s therapeutics is moving away from amyloid plaques and tau tangles, offering multiple approaches to slow cognitive decline.
Roche’s fenebrutinib this week scored a mid-stage win in relapsing multiple sclerosis, while Sanofi’s tolebrutinib met the primary endpoint in a Phase III trial for progressive MS but flopped in two late-stage relapsing MS studies.