Find Information About:

Drugs & Supplements

Get information and reviews on prescription drugs, over-the-counter medications, vitamins, and supplements. Search by name or medical condition.

Pill Identifier

Pill Identifier

Having trouble identifying your pills?

Enter the shape, color, or imprint of your prescription or OTC drug. Our pill identification tool will display pictures that you can compare to your pill.

Get Started
My Medicine

My Medicine

Save your medicine, check interactions, sign up for FDA alerts, create family profiles and more.

Get Started

WebMD Health Experts and Community

Talk to health experts and other people like you in WebMD's Communities. It's a safe forum where you can create or participate in support groups and discussions about health topics that interest you.

  • Second Opinion

    Second Opinion

    Read expert perspectives on popular health topics.

  • Community


    Connect with people like you, and get expert guidance on living a healthy life.

Got a health question? Get answers provided by leading organizations, doctors, and experts.

Get Answers

Sign up to receive WebMD's award-winning content delivered to your inbox.

Sign Up

Alzheimer's Disease Health Center

Font Size

Advances Made Toward Alzheimer’s Blood Test

Study Shows Synthetic Molecules May Help Detect Alzheimer’s, MS, and Other Diseases

Blood Test for Alzheimer’s, Pancreatic Cancer?

Kodadek says his research team has now screened around 300 Alzheimer’s patients and the method reliably identified disease in blood samples.

“Many of the patients had very early-stage disease,” he says. “There are also early signs that this can detect pre-symptomatic Alzheimer’s disease, but we aren’t quite there yet.”

The technique is currently too complicated to perform outside the laboratory, but the researchers are working on simplifying it to make it easy to perform in a doctor’s office.

Kodadek is now developing the technology for the Miami-based medical research company Opko Health Inc., which hopes to develop and market blood tests for a wide range of diseases.

He says his research team has now identified four peptoids that appear to be specific for pancreatic cancer and three that appear specific for non-small-cell lung cancer.

Ralph Nixon, MD, who serves on the scientific advisory council for the Alzheimer’s Association, says while the research sounds promising it is still in the very early stages.

Nixon also directs the Center of Excellence on Brain Aging at New York University Langone Medical Center.

It is now possible to determine which patients with early cognitive impairment will develop Alzheimer’s by testing spinal fluid, but Nixon calls a blood test the Holy Grail for diagnosing the disease.

Other researchers are also working to develop a blood test, but Nixon says he has seen nothing to suggest such a test will be a reality in the near future.

“We have seen glimpses that it may happen, but not the hard data to show that we are actually close,” he tells WebMD.

1 | 2

Today on WebMD

Remember your finger
When it’s more than just forgetfulness.
senior man with serious expression
Which kinds are treatable?
senior man
Common symptoms to look for.
mri scan of human brain
Can drinking red wine reverse the disease?
eating blueberries
Colored mri of brain
Close up of elderly couple holding hands
mature woman
Woman comforting ailing mother
Senior woman with serious expression