crash course

Stanford University researchers are recruiting ME/CFS, Chronic Lyme, and Long COVID-19 patients for a study to better understand symptom relapses or “crashes”.




About the Study

The Crash Course aims to understand and predict relapses, flares, and crashes in chronic disease. To be eligible, you must live in the US, be over age 18, and experience relapse episodes persisting at least 24 hours in duration.

Additionally, you must experience one of the following conditions:

  1. Myalgic Encephalomyelitis/Chronic Fatigue Syndrome (ME/CFS)
  2. Chronic Lyme disease or Post-Treatment Lyme Disease Syndrome (PTLDS),
  3. or Long-haul COVID-19 or Post-COVID Syndrome


Fill out online questionnaires

Collect fingerprick blood samples at home

Use provided devices to measure sleep, activity, blood pressure, and heart rhythm

Study devices will be provided.

A Fitbit smartwatch, microsampling kit, and S-patch cardio device will be provided to you. You will be asked to return the devices at the end of the study. No charge will be applied if the devices are lost or broken.

Please email for enrollment information.

Participant’s rights questions, contact 1-866-680-2906.

Mitra device


Ryan Kellogg

Postdoc, Snyder Lab
Research Team


Linda (Yu-Ling) Lan

Postdoc, Snyder Lab
Research Team


Arshdeep Chauhan

Clinical Research Coordinator Associate (CRCA) , Snyder Lab

Jaime Seltzer

Researcher at SGTC, Director of Scientific and Medical Outreach, #MEAction
Study Design, Patient Recruitment


Chris Armstrong

Research Fellow, University of Melbourne
Director of the Melbourne ME/CFS Collaboration
Study design, data analysis and interpretation




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