Skip to main content

Holiday schedule

Our Patient Service Centers will be closed on Thursday, November 28, 2024 in observance of Thanksgiving. Have a healthy, happy holiday.

Hide
Quest Diagnostics

Pharma

Clinical trial lab services

Quest Diagnostics BioPharma Services is your lab support partner for all phases of clinical trial testing.
Read more

Companion diagnostics

Our CDx team offers expert therapeutic area, scientific, and regulatory guidance to identify and develop the ideal companion diagnostic tailored to your novel therapeutic.
Read more

Commercialization

Achieve the broadest reach and access to market, build widespread awareness, and accelerate appropriate testing.
Read more

Research & discovery

We provide focused medical and scientific expertise, state-of-the-art facilities around the world, and the most advanced techniques and platforms to support your efforts generating and translating early data into insights.
Read more
Research &
discovery

Clinical trial lab services

(Phases I-IV)
Companion diagnostics & assay development
Commercialization & sponsored testing

Lab Expertise

Deep scientific lab experience

We offer a team of recognized industry leaders across every diagnostic testing technology and platform to help ensure your clinical trial assay effectively supports your program goals.
Speak to an expert
Man using a microscope

Medical Expertise

Therapeutic area expertise for your product

Our team of therapeutic area medical directors support deeper understanding of medical conditions, patient populations, and the competitive landscape in specific disease areas, identifying opportunities for therapy innovation and differentiation.
Speak to an expert
Female physician holding clipboard and standing in hallway of a medical facility.

Precision medicine

Quest is your trusted partner for precision medicine. We work hand in hand to support our partners as they identify, develop and commercialize new precision therapies.

Companion diagnostics

Your assay matters

We combine biomarker assays, regulatory strategy, and commercialization capabilities into an integrated solution to support your companion diagnostic development program.
Learn more
A hand testing a sample in a lab

Genomics

Identify and incorporate the right biomarkers for your therapy

Our experts work closely with your team to identify the most appropriate biomarkers for your target therapy. Our extensive domain expertise powers a strategy that ensures the best path to a companion diagnostic and to market.
Learn more
A gloved hand holds a test tube

Data

Leverage de-identified lab data and clinical insights to illuminate therapeutic programs

Our data scientists and healthcare professionals combine billions of clinical de-identified lab test results with a robust strategy process.
Learn more
Modern server room with server racks in data center

Decentralized trials

Offer a patient-centric approach to expedite and simplify your clinical trials

Our community ties and many locations help reach more patients for greater diversity and inclusion in trials.
View our DCT whitepaper
Lifestyle image of family

Commercialization

Leverage sponsored testing to achieve broader reach

Drive launch success with disease and biomarker awareness and education for providers, as well as testing support for their patients.
Learn more
A doctor talking to a female patient about test results

Leverage de-identifed lab data and insights to illuminate therapeutic programs

Quest data insights platform
Quest offers a self-service search platform with access to 60+ billion cleansed, ready-to-query laboratory data results. With data going back 5 years, it’s easy to build patient and physician cohorts.

Clinical trials connect
Designed to grow with evolving demand, the Quest Clinical Trials Connect solution leads to a broad solution for cohort profiling, patient-initiated pre-screening, and virtual trials.

Commercial alerts
Quest offers an alert service to monitor physician test ordering and deidentified patient diagnostic results.

Pharma data services
Pharma data services combine a strategic perspective with a proven process. The result is a comprehensive collection of data providing a clear picture of all clinical elements.

Products and services

You face complex problems when transforming a scientific discovery into a new treatment. Getting that treatment into the hands of patients requires an advisor and partner who is invested at every level. Quest Diagnostics innovative and inventive team of experts continues to guide, solve, improve, and optimize the therapy development process—no matter the obstacles.

Companion diagnostics
Data licensing
Medication adherence
Mobile phlebotomy
Sponsored testing
Global network

Therapeutic area expertise

We help clients with drug development in all major therapeutic areas. Over the years, we’ve built up a world class team with knowledge and expertise in the following areas:

Oncology
Neurology
Rare disease
Cardiometabolic
Infectious disease
Women's health

View all therapeutic areas

Global footprint

Quest has had an international presence for over 30 years. We collaborate with leading international diagnostic laboratories, hospitals, and healthcare systems. Today, our products and services are used by customers in more than 75 countries.

Quest also leads the Global Diagnostics Network (GDN). The GDN launched in 2018 as a worldwide community of diagnostic laboratories, each committed to unleashing local innovations to generate diagnostic insights and improve global healthcare.

Be part of breakthrough discoveries

Register with Quest Diagnostics to be part of our research database and receive communications about research studies.

Get involved

Let’s discuss your project

Contact our pharma solutions experts to design a custom program to accommodate the needs of your study.

Let's talk

Let's discuss your next project

Connect with our team of experts today.

Let's talk

Solutions

Services

Expertise

Life Sciences

Resources and insights

Content type icon for publications
Publication
Expanding the Phenotype of Extremely Early Onset Juvenile Huntington's Disease: A Case Report and Review of Previously Published Cases
the text Healthier World with Quest Diagnostics Podcast Series in green on a white background
Audio Podcast
Action From Insight: Tackling Insulin Resistance
the text Healthier World with Quest Diagnostics Podcast Series in green on a white background
Audio Podcast
The Insulin Resistance Revolution: The Key to Preventing Chronic Conditions
Content type icon for publications
Publication
Clinical and Economic Outcomes of a Pharmacogenomics-Enriched Comprehensive Medication Management Program in a Self-Insured Employee Population
View all articles

Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA certified laboratories that provide HIPAA covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2024 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.