# Exelixis Announces Clinical Development Collaboration with Merck for Phase 3 STELLAR-316 Pivotal Trial for Patients with Colorectal Cancer
Canonical URL: https://biopharmsignal.com/news/EXEL/exelixis-announces-clinical-development-collaboration-with-merck-for-phase-3-stellar-316-pivotal-trial-for-patients-with-colorectal-cancer
Ticker: EXEL
Company: Exelixis
Source: Exelixis
Published: 2026-06-25 13:46 EST
Original Source URL: https://ir.exelixis.com
## Summary

– Merck to supply KEYTRUDA QLEX™ (pembrolizumab and berahyaluronidase alfa-pmph), the company’s subcutaneous anti-PD-1 therapy, for planned STELLAR-316 trial – ALAMEDA, Calif. --(BUSINESS WIRE)--May 19, 2026-- Exelixis, Inc. (Nasdaq: EXEL) today announced that the company has entered into a

## Article Body
– Merck to supply KEYTRUDA QLEX™ (pembrolizumab and berahyaluronidase alfa-pmph), the company’s subcutaneous anti-PD-1 therapy, for planned STELLAR-316 trial – ALAMEDA, Calif. --(BUSINESS WIRE)--May 19, 2026-- Exelixis, Inc. (Nasdaq: EXEL) today announced that the company has entered into a
## Recent Company News
- 2026-06-25 13:46 EST — [Exelixis Provides Update on the Phase 3 STELLAR-303 Trial Evaluating Zanzalintinib in Combination with an Immune Checkpoint Inhibitor in Patients with Metastatic Colorectal Cancer](https://biopharmsignal.com/news/EXEL/exelixis-provides-update-on-the-phase-3-stellar-303-trial-evaluating-zanzalintinib-in-combination-with-an-immune-checkpoint-inhibitor-in-patients-with-metastatic-colorectal-cancer) — Source: Exelixis
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- 2026-06-25 13:46 EST — [Exelixis Announces Clinical Development Collaboration with Merck for Phase 3 STELLAR-316 Pivotal Trial for Patients with Colorectal Cancer](https://biopharmsignal.com/news/EXEL/exelixis-announces-clinical-development-collaboration-with-merck-for-phase-3-stellar-316-pivotal-trial-for-patients-with-colorectal-cancer) — Source: Exelixis
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