Dogwood Therapeutics announced enrollment of the first 50 patients in its Phase 2b trial of Halneuron for chemotherapy-induced neuropathic pain (CINP), reaffirming its Q4 2025 target for interim analysis of approximately 100 patients. A low 6% discontinuation rate due to adverse events among the initial 35 completers suggests both Halneuron and placebo are generally well-tolerated.
This milestone underscores Dogwood’s commitment to non-opioid pain management, a space gaining traction as regulators and payers push for alternatives to traditional analgesics. The company is betting on Halneuron’s unique specificity for NaV 1.7 sodium channels as a differentiator in a crowded field of pain therapeutics. Targeting CINP specifically carves out a niche patient population with high unmet need, given the debilitating side effects of common chemotherapy regimens.
This focus on CINP aligns with broader trends towards precision medicine and personalized treatment protocols. As oncology moves towards increasingly targeted therapies, managing their unique side effects becomes paramount. Halneuron’s potential success could establish NaV 1.7 inhibition as a standard of care for managing CINP, creating new market opportunities for Dogwood and attracting further investment in this mechanism.
The interim analysis, designed to inform the final Phase 2b trial size, carries significant weight. Positive efficacy data would validate the company’s investment in this indication, potentially paving the way for expedited regulatory pathways like Breakthrough Therapy designation, given the current lack of effective CINP treatments. However, the company must demonstrate clinically meaningful pain reduction compared to placebo in a patient population already burdened with complex treatment regimens.
Looking ahead, Dogwood faces the challenge of balancing rapid development with the need for robust long-term safety and efficacy data. Competition from other non-opioid pain therapies, including those targeting different sodium channels or utilizing entirely novel mechanisms, will also intensify. The ultimate success of Halneuron hinges not only on its clinical performance but also on its ability to navigate an evolving regulatory landscape and differentiate itself in a increasingly competitive market. The full Phase 2b readout in mid-2026 will be pivotal in determining whether Dogwood’s strategic bet on CINP pays off.
Jon Napitupulu is Director of Media Relations at The Clinical Trial Vanguard. Jon, a computer data scientist, focuses on the latest clinical trial industry news and trends.

