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Tell us which study types you would like to discover. Submitting this form does not enroll you in a study, determine eligibility, or guarantee an introduction.

Adults only. This form is intended for adults 18 years of age or older. Please do not submit this form on behalf of a minor.

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Anything else you want us to know about your availability or interests?

Please do not include health conditions, diagnoses, treatments, or other personal health details in this form. We only ask for contact details and general study interests.

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Choose exactly what you want to receive. Each preference has its own checkbox, none are pre-selected, and none are required to submit this form.

Account Notifications

I agree to receive account notification text messages from Linkage Paths related to my subscription, such as activity update delivery, content access updates, opt-in confirmations, opt-out confirmations, and replies to HELP requests, sent to the mobile number I provided. Message frequency varies based on account activity. Message and data rates may apply. Reply STOP to cancel or HELP for help. Consent to receive these messages is not a condition of any purchase. See our Privacy Policy and SMS Terms of Service. Linkage Paths does not sell, share, or transfer phone numbers or consent data to research sponsors, lead aggregators, or third-party marketers.

Marketing

I agree to receive recurring marketing SMS messages from Linkage Paths, including promotional offers, announcements about new Linkage Paths features and services, featured website resources, special campaigns, and updates about newly available guides and tools. Message frequency varies, generally up to 4 messages per month. Message and data rates may apply. Reply STOP to cancel or HELP for help. My information will not be sold, shared, or transferred to any research sponsor or third-party marketer. See our Privacy Policy and SMS Terms of Service. Consent is not a condition of receiving any content.

By checking an SMS consent box, you authorize Linkage Paths to send text messages to the phone number provided for the selected message category. Consent is optional and is not a condition of purchase, access, or use of this website. Message frequency varies unless otherwise stated. Msg & data rates may apply. Reply STOP to cancel or HELP for help. Mobile opt-in data and SMS consent will not be sold, shared, rented, or transferred to third parties for marketing or lead generation. See our Privacy Policy and SMS Terms of Service.

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Any trial programs or research organizations that users may be introduced to through Linkage Paths are independent organizations operating under their own protocols and eligibility criteria. Linkage Paths does not control, supervise, guarantee, or take responsibility for protocols, eligibility criteria, safety monitoring, outcomes, or conduct of any independent clinical trial program. Users should review the materials provided by the independent organization and consult their own licensed healthcare provider before deciding to participate.