Healthtech Startups

RayThera develops small molecule therapies targeting unmet needs in immunology. The company focuses on drug discovery in the biotechnology and immunology space.

2 investors

Ray Therapeutics develops optogenetics gene therapy treatments for blinding diseases using advanced biotechnology. The company focuses on addressing unmet patient needs in ophthalmology through gene therapy innovation.

2 investors

2 investors

Readcoor developed an in situ spatial transcriptomics platform using padlock probe rolling circle amplification chemistry to detect and map RNA transcripts across tissue sections, now offered as the Xenium In Situ platform. It serves researchers analyzing gene expression at subcellular resolution, including in FFPE and degraded samples.

2 investors

ReadiVet provides in-home veterinary care for dogs and cats, offering wellness exams, vaccinations, bloodwork, sick visits, and at-home euthanasia. The company is transitioning to operate under the BlueSky At-Home Veterinary Care name, serving pet owners in Dallas, TX and launching in Nashville, TN.

2 investors

Ready Set Food produces food products designed for early allergen introduction in infants, supporting medical guidance from pediatricians and national health associations. The product line targets parents introducing common food allergens to babies as early as 4 months of age to help reduce allergy risk.

2 investors

XRHealth (Realized Care) delivers at-home care for chronic conditions using FDA-registered VR/AR headsets, wearables, mobile apps, and prescription digital therapeutics (such as Stanza) combined with licensed clinicians. The platform focuses on treating chronic pain and fibromyalgia in the U.S., with insurance-reimbursable, remotely guided therapy programs.

2 investors

Rebel Medicine develops preclinical investigational drugs and wound care products designed to provide pain relief without opioids. The company targets postoperative and wound care patients through patented drug delivery technologies for local anesthetic applications.

2 investors

ReBio develops targeted, locally delivered therapies for ocular oncology, using its proprietary SiSu conjugate platform to program drug exposure for eye diseases. Its lead program, RBP-01, is a SiSu-conjugated PKC inhibitor for uveal melanoma delivered via intravitreal injection, with additional programs targeting retinoblastoma, glaucoma, and post-op ocular inflammation.

2 investors

Recor Medical develops the Paradise Ultrasound Renal Denervation system, a therapy that uses ultrasound technology to lower blood pressure in patients with hypertension. Founded in 2009 and now part of Otsuka Medical Devices, the company brings its hypertension treatment to physicians and patients worldwide.

2 investors

Recornea is developing corneal implants for people with keratoconus, a condition in which the cornea progressively bulges outward. Its GROSSO Implant, currently at the pre-clinical stage, is intended to restore corneal shape and improve vision as an alternative to a full corneal transplant.

2 investors

Recover provides evidence-based addiction treatment using technology and clinical care to help patients find recovery. The company delivers care to individuals struggling with substance use disorders, leveraging data-driven insights and partnerships with local providers.

2 investors

RedRidge Bio discovers and develops biparatopic antibodies (antibodies that bind two sites on a single protein), including biparatopic antibody-drug conjugates, as therapeutics for oncology and autoimmune diseases. The company uses high-throughput technologies and structural/disease biology to engineer and select antibody candidates for liquid and solid tumors and for inflammatory and autoimmune conditions.

2 investors

Red Arrow Therapeutics develops cancer therapies using a proprietary nanopolymer drug-delivery system for programmable encapsulation and release of biologics such as peptides, antibodies, and proteins. It aims to build a pipeline of polymer-drug conjugate cancer drugs with targeted tumor delivery and reduced off-tumor toxicity.

2 investors

2 investors

RedDrop Dx makes a capillary blood collection device for virtually pain-free, one-click sampling that produces higher blood volume and reliable samples. The product uses 1mL tubes designed for high-throughput labs and is aimed at patients, providers, and lab partners in healthcare.

2 investors

RedSail Technologies provides pharmacy management systems and integrated pharmacy solutions serving health systems and pharmacy operations across the United States. The company delivers software, automation, and clinical programs to optimize medication management and patient care outcomes in healthcare settings.

2 investors

ReferWell provides referral management and appointment scheduling technology combined with expert care navigators to help health plans and providers close care gaps and get members to their appointments. It serves health plans, ACOs, provider organizations, and FQHCs across the US healthcare market.

2 investors

ReflexAI provides AI-powered simulations and quality assurance tools for clinical teams to practice patient interactions and ensure adherence to care standards. The platform offers realistic roleplay scenarios and automated feedback to improve communication skills, empathy, and protocol compliance across healthcare settings.

2 investors

Reflexion builds hardware devices and web-based software for cognitive training and tracking, using large touch-screen displays that measure and train functions like reaction time, decision-making, and short-term memory. Its technology serves athletes and brain injury rehabilitation patients, with trainers managing performance training and rehab progress.

2 investors

ReGelTec develops injectable hydrogel technology for the repair of the nucleus pulposus of the intervertebral disc, targeting interventional pain management and spine care. The company is a medical device (MedTech) startup combining academic research in crosslinked polymers with experienced medical device executives.

2 investors

Relay is a group-based support program designed to help individuals address pornography and unwanted sexual behaviors through daily encouragement, accountability, and community support.

2 investors

Relief Cardiovascular develops transcatheter smart implant systems for volume management in congestive heart failure, including the Relief System, a preload-modulating implant for inferior vena cava flow modulation with autonomous hemodynamic monitoring. It targets heart failure patients with diuretic-resistant congestion whose needs are inadequately met by pharmaceuticals and legacy devices.

2 investors

Reliv is a digital medical ecosystem that connects doctors, clinics, and patients on a single platform, offering hospital management (HIS), electronic health records (EHR), and a patient app for appointments, digital prescriptions, and payments. It serves healthcare providers and patients in Ecuador.

2 investors