Merck’s Strategic Bet: Assessing the Progress of Harpoon’s Oncology Pipeline
07.02.2026 - 12:50:04Nearly two years following its acquisition of Harpoon Therapeutics Inc., Merck & Co. is now showcasing the clinical advancements of its integrated immunotherapy platforms. Market observers are keenly watching whether Merck can successfully scale the specialized TriTAC technology to establish new benchmarks in treating solid tumors. This progress is viewed as a critical indicator of the billion-dollar deal's synergy potential.
Central to Merck's clinical efforts is the candidate MK-6070. This therapeutic agent targets the DLL3 (Delta-like Ligand 3) protein, which is notably expressed in small cell lung cancer and various neuroendocrine tumors. Ongoing Phase 1/2 trials (identified as NCT04471727) are designed to evaluate if the treatment meets high expectations for both safety and efficacy.
The integration of Harpoon's TriTAC ("Tri-specific T-cell Activating Construct") technology into Merck's global research infrastructure is a pivotal step. This platform aims to more precisely direct a patient's immune system against cancer cells. For Merck, scaling this technology is essential to addressing unmet needs in hard-to-treat solid tumors.
Should investors sell immediately? Or is it worth buying Harpoon Therapeutics Inc?
- Lead Asset MK-6070: Currently in Phase 1/2 clinical development for small cell lung cancer.
- Core Technology: The TriTAC platform's trispecific protein technology is being merged with Merck's research capabilities.
- Strategic Combinations: A key focus lies on exploring combinations with Merck's established anti-PD-1 therapies.
Competitive Landscape and Strategic Execution
A fundamental component of Merck's portfolio strategy involves combining these novel T-cell activators with its existing immunotherapies. Analysts interpret this move as an attempt to evolve current oncology standards and strengthen its competitive market position.
However, competition within the T-cell engager space is intensifying. While candidates like HPN217 are in development for multiple myeloma, other pharmaceutical giants are advancing similar therapeutic approaches. Merck's ultimate success will be measured by how efficiently it can integrate Harpoon's assets into its commercial operations and development pipelines.
The market anticipates concrete data updates on this pipeline during major oncology medical conferences this year, as well as in Merck's forthcoming quarterly financial reports. These disclosures will provide clearer evidence of the acquisition's scientific and strategic payoff.
Ad
Harpoon Therapeutics Inc Stock: Buy or Sell?! New Harpoon Therapeutics Inc Analysis from February 7 delivers the answer:
The latest Harpoon Therapeutics Inc figures speak for themselves: Urgent action needed for Harpoon Therapeutics Inc investors. Is it worth buying or should you sell? Find out what to do now in the current free analysis from February 7.
Harpoon Therapeutics Inc: Buy or sell? Read more here...


