Viridian sinks as eye disease drug disappoints on efficacy despite trial success https://www.reuters.com/business/healthcare-pharmaceuticals/viridians-thyroid-eye-disease-drug-succeeds-latestage-trial-2026-03-30/?taid=69caad461de6e000018af4fd https://www.reuters.com/business/healthcare-pharmaceuticals/viridians-thyroid-eye-disease-drug-succeeds-latestage-trial-2026-03-30/?taid=69caad461de6e000018af4fd