Your Health Journey, Made Simple
Participating in a clinical trial is easier than ever with Leo. Our mobile app helps you stay on track with your study while earning rewards for your commitment.
Designed with You in Mind
Leo makes it easy to participate in your clinical trial while keeping you informed and engaged every step of the way.
Easy-to-Use App
Beautiful, intuitive mobile app that makes participating in your trial simple and stress-free.
Smart Reminders
Never miss a dose or appointment with customizable reminders that fit your schedule.
Earn Rewards
Stay engaged with points, badges, and streaks that recognize your commitment to the study.
Track Your Health
See how your health is progressing throughout the trial with visual insights and trends.
Your Data is Secure
Bank-level encryption and privacy controls keep your health information safe.
Direct Communication
Easily message your study coordinator with questions or concerns anytime.
Everything in One App
The Leo app puts everything you need for your trial at your fingertips. No more paper diaries or forgotten appointments.
Medication Logging
Log doses with a single tap or NFC scan. Visual confirmation shows you logged successfully.
Vital Signs
Automatically sync data from Apple Watch, or manually enter blood pressure, glucose, and more.
Visit Schedule
See your upcoming study visits and get reminded when it's time to come in.
Study Information
Access your consent form, study FAQs, and important information anytime.
Today's Tasks
3 of 4 doneStay Motivated with Rewards
Your commitment to the study deserves recognition. Earn points and badges as you participate, and watch your progress grow.
Daily Points
Earn points for logging medications, completing questionnaires, and attending visits.
Achievement Badges
Collect badges for milestones like perfect adherence weeks and study completion.
Streaks
Build streaks by logging your medications consistently every day.
Progress Tracking
Watch your progress through the study with visual milestone markers.
Your Safety Comes First
If you experience any side effects or have concerns during the study, Leo makes it easy to report them immediately. Your study team is always there to support you.
- Report any side effects or concerns directly through the app
- Your coordinator is notified immediately of any issues
- Track how you're feeling day-to-day
- Access emergency contacts anytime
- All reports go to trained medical professionals
How are you feeling today?
Common Questions
How do I join a clinical trial using Leo?
Your study site will provide you with an invitation code. Download the Leo app, enter your code, and follow the guided setup to complete your electronic consent and enrollment.
Is my health data private?
Yes. Your data is encrypted and only accessible to authorized members of your study team. Leo uses healthcare-grade encryption and meets strict FDA data security requirements.
What if I forget to log my medication?
Leo will send you reminders, but if you still forget, you can log a missed dose later. The study team understands that nobody is perfect--the important thing is accurate reporting.
Can I use Leo on my Apple Watch?
Yes! Leo has a companion Apple Watch app that lets you log medications right from your wrist and automatically syncs health data like heart rate and activity.
What happens to my data after the study ends?
Your study team will explain the data retention policy during consent. You can request deletion of your personal data according to the study's data management plan.
Ready to Start Your Health Journey?
Download Leo and enter your invitation code to join your clinical trial. Your study coordinator will have provided you with everything you need.