TransMedics Group (TMDX) FDA Approvals $68.93 +0.08 (+0.12%) Closing price 05/22/2026 04:00 PM EasternExtended Trading$68.53 -0.40 (-0.58%) As of 05/22/2026 07:57 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share FDA Events Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock TransMedics Group's Drug in the FDA Approval ProcessThis section highlights FDA-related milestones and regulatory updates for drugs developed by TransMedics Group (TMDX). Over the past two years, TransMedics Group has reported clinical trial outcomes, regulatory submissions, approvals, and other FDA events for drugs and therapies such as OCS™. For definitions of regulatory abbreviations such as NDA, BLA, or PDUFA, see the event status legend. OCS™ Heart System FDA Regulatory Events OCS™ Heart System is a drug developed by TransMedics Group for the following indication: For patients with end-stage lung, heart, and liver failure. This drug is under review by the U.S. Food and Drug Administration (FDA). Below is a timeline of key regulatory milestones for this therapy. FDA Approval - February 9,2026Fda Approval Investigational Device ExemptionDrug: OCS™ Heart SystemAnnounced Date: February 9, 2026Indication: For patients with end-stage lung, heart, and liver failureAnnouncementTransMedics Group, Inc. announced that the U.S. Food and Drug Administration (FDA) has granted full approval of its Investigational Device Exemption (IDE) for the Next-Generation OCS ENHANCE Heart trial.AI SummaryTransMedics Group, Inc. announced that the U.S. Food and Drug Administration has granted full approval of its Investigational Device Exemption (IDE) for the Next-Generation OCS ENHANCE Heart trial. This IDE approval clears a key regulatory step and allows TransMedics to conduct a controlled clinical study in the United States using its next-generation Organ Care System (OCS) for heart transplants. The company can now enroll patients, collect safety and effectiveness data, and operate under the FDA-approved trial protocol. The trial will evaluate the updated OCS technology designed to keep donor hearts functioning outside the body for longer and under better conditions than cold storage. If successful, the study could support future regulatory filings and broader clinical use of the device, potentially increasing donor heart availability and improving transplant outcomes. TransMedics will now move forward with site activation and patient enrollment as outlined in the trial plan.Read AnnouncementConditional approval - August 4,2025Conditional Approval Investigational Device ExemptionDrug: OCS™ Heart SystemAnnounced Date: August 4, 2025Indication: For patients with end-stage lung, heart, and liver failureAnnouncementTransMedics Group, Inc. announced that the U.S. Food and Drug Administration (FDA) has granted conditional approval of its Investigational Device Exemption (IDE), allowing the company to proceed with the initiation of its Next-Generation OCS ENHANCE Heart trial.AI SummaryTransMedics Group, Inc. announced that the U.S. Food and Drug Administration (FDA) has granted conditional approval of its Investigational Device Exemption (IDE), clearing the way for the company’s Next-Generation OCS ENHANCE Heart trial. This two-part study will use the Organ Care System (OCS) Heart platform to test prolonged heart perfusion in Part A and compare OCS perfusion to standard cold storage in donation after brain death (DBD) cases in Part B. With over 650 patients planned, it is expected to become the largest heart preservation trial worldwide. Part B will include DBD hearts not currently eligible for OCS perfusion, with the goal of expanding future clinical indications. TransMedics plans to start enrolling patients in the fourth quarter of 2025, and full trial details will be posted on clinicaltrials.gov. Company leaders view the ENHANCE Heart trial as a key step toward broader clinical adoption in 2026 and beyond, aiming to improve organ quality, increase transplant success, and reset the standard of care for heart transplantation.Read Announcement TransMedics Group FDA Events - Frequently Asked Questions Has TransMedics Group received FDA approval? As of now, TransMedics Group (TMDX) has not received any FDA approvals for its therapy in the last two years. What drugs has TransMedics Group submitted to the FDA? In the past two years, TransMedics Group (TMDX) has reported FDA regulatory activity for OCS™ Heart System. What is the most recent FDA event for TransMedics Group? The most recent FDA-related event for TransMedics Group occurred on February 9, 2026, involving OCS™ Heart System. The update was categorized as "FDA Approval," with the company reporting: "TransMedics Group, Inc. announced that the U.S. Food and Drug Administration (FDA) has granted full approval of its Investigational Device Exemption (IDE) for the Next-Generation OCS ENHANCE Heart trial." What conditions do TransMedics Group's current drugs treat? Currently, TransMedics Group has one therapy (OCS™ Heart System) targeting the following condition: For patients with end-stage lung, heart, and liver failure. 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FDA EventsAgenus FDA EventsAdagio Medical FDA EventsAktis Oncology FDA EventsAkari Therapeutics FDA Events FDA Event Stage Terminology & Abbreviation Guide NDA: New Drug Application ANDA: Abbreviated New Drug Application sNDA: Supplemental New Drug Application BLA: Biologics License Application sBLA: Supplemental Biologics License Application FDA Approved: Approved by the FDA EMA: European Medicines Agency CE Mark: European Union Certification NMPA: China National Medical Products Administration MHLW: Japanese Ministry of Health FDA Meeting: Consultation with FDA Pre-IND: Pre-Investigational New Drug Meeting Breakthrough Therapy: Special FDA designation for promising therapies Fast Track: Accelerated FDA approval pathway Orphan Drug: Designation for rare disease treatments RPD: Rare Pediatric Disease Designation RMAT: Regenerative Medicine Advanced Therapy DSMB Review: Data Safety Monitoring Board Review IDMC Review: Independent Data Monitoring Committee MAA: MHRA Marketing Authorization Application RTF: Refusal to File (Rejected Application) 510(k): FDA Clearance for Medical Devices Rolling Submission: Staggered regulatory review process Related Companies Glaukos FDA Events Liquidia FDA Events MiniMed Group FDA Events Soleno Therapeutics FDA Events AxoGen FDA Events NovoCure FDA Events Pulse Biosciences FDA Events PROCEPT BioRobotics FDA Events Inspire Medical Systems FDA Events Artivion FDA Events Stock Lists Biotechnology StocksCompare Biotech StocksCompare Healthcare StocksCompare Pharmaceutical StocksHealthcare and Medical Stocks FDA progress for NASDAQ:TMDX last updated on 2/9/2026 by MarketBeat.com Staff. 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FDA Approval - February 9,2026Fda Approval Investigational Device ExemptionDrug: OCS™ Heart SystemAnnounced Date: February 9, 2026Indication: For patients with end-stage lung, heart, and liver failureAnnouncementTransMedics Group, Inc. announced that the U.S. Food and Drug Administration (FDA) has granted full approval of its Investigational Device Exemption (IDE) for the Next-Generation OCS ENHANCE Heart trial.AI SummaryTransMedics Group, Inc. announced that the U.S. Food and Drug Administration has granted full approval of its Investigational Device Exemption (IDE) for the Next-Generation OCS ENHANCE Heart trial. This IDE approval clears a key regulatory step and allows TransMedics to conduct a controlled clinical study in the United States using its next-generation Organ Care System (OCS) for heart transplants. The company can now enroll patients, collect safety and effectiveness data, and operate under the FDA-approved trial protocol. The trial will evaluate the updated OCS technology designed to keep donor hearts functioning outside the body for longer and under better conditions than cold storage. If successful, the study could support future regulatory filings and broader clinical use of the device, potentially increasing donor heart availability and improving transplant outcomes. TransMedics will now move forward with site activation and patient enrollment as outlined in the trial plan.Read Announcement
Conditional approval - August 4,2025Conditional Approval Investigational Device ExemptionDrug: OCS™ Heart SystemAnnounced Date: August 4, 2025Indication: For patients with end-stage lung, heart, and liver failureAnnouncementTransMedics Group, Inc. announced that the U.S. Food and Drug Administration (FDA) has granted conditional approval of its Investigational Device Exemption (IDE), allowing the company to proceed with the initiation of its Next-Generation OCS ENHANCE Heart trial.AI SummaryTransMedics Group, Inc. announced that the U.S. Food and Drug Administration (FDA) has granted conditional approval of its Investigational Device Exemption (IDE), clearing the way for the company’s Next-Generation OCS ENHANCE Heart trial. This two-part study will use the Organ Care System (OCS) Heart platform to test prolonged heart perfusion in Part A and compare OCS perfusion to standard cold storage in donation after brain death (DBD) cases in Part B. With over 650 patients planned, it is expected to become the largest heart preservation trial worldwide. Part B will include DBD hearts not currently eligible for OCS perfusion, with the goal of expanding future clinical indications. TransMedics plans to start enrolling patients in the fourth quarter of 2025, and full trial details will be posted on clinicaltrials.gov. Company leaders view the ENHANCE Heart trial as a key step toward broader clinical adoption in 2026 and beyond, aiming to improve organ quality, increase transplant success, and reset the standard of care for heart transplantation.Read Announcement