Clinical Trial Checklist: Questions to Ask Before You Join

Key Takeaways

• Clinical trial participation is voluntary, and participants can ask questions before enrolling or leaving a study.
• Eligibility criteria help research teams identify suitable participants and reduce avoidable risks.
• Potential benefits are never guaranteed, so risks, alternatives, and daily-life demands deserve equal attention.
• Informed consent is an ongoing process of explanation and discussion, not simply a document to sign.
• A trusted doctor, caregiver, family member, or advocate can help review the decision.

Joining a clinical trial can be an important health decision. Studies may offer access to investigational approaches, added monitoring, or an opportunity to contribute to future care, but participation also involves uncertainty, time commitments, and possible risks.

For people exploring cancer research options, Amgen Oncology clinical trials may be one place to begin reviewing opportunities. A listing can help start a conversation, but it is not a personal medical recommendation or a guarantee that a study will be appropriate.

1. What a Clinical Trial Does

A clinical trial is research involving people that evaluates an intervention or approach and its effects on health outcomes. Studies can examine medicines, devices, procedures, prevention strategies, behavior changes, supportive care, or ways to improve quality of life. Researchers use a written plan, often called a protocol, to define the study’s purpose, procedures, eligibility rules, and safety measures.

Regular medical care focuses on an individual patient’s needs. Research also seeks answers to broader questions. The possible risks and potential benefits of clinical trials should be reviewed carefully because a research treatment may not help a participant and may have side effects or unknown risks.

2. What to Check Before Searching

Before reviewing study opportunities, write down the details that could affect both eligibility and practicality. Include your diagnosis or health concern, current medicines, prior treatments or procedures, allergies, and questions for your usual health care professional. Also consider the distance you can travel, transportation, work or school obligations, and caregiving responsibilities.

A doctor may help identify studies worth discussing, especially when a trial relates to an existing diagnosis or treatment plan. However, only the research team can determine whether someone meets the study’s requirements after completing its screening process.

3. How to Read a Study Listing

Study listings provide an overview, but the details matter. Start with the recruitment status. A recruiting study is currently seeking participants, while an active study may no longer be enrolling. Confirm the exact clinic or hospital location, not just the city, and check that the contact information identifies a legitimate research coordinator or study site.

Look for the study purpose, type, expected duration, age range, and whether it is interventional or observational. Interventional studies assign participants to an intervention, such as a treatment or procedure. Observational studies collect information without assigning a specific intervention. If phases are listed, they generally reflect different stages of learning about safety, dosage, effectiveness, or longer-term use.

4. Eligibility Rules and Screening

Every study uses inclusion criteria and exclusion criteria. These may address age, diagnosis, disease stage, previous treatment, laboratory results, imaging findings, other medical conditions, current medicines, pregnancy status, or recent procedures. Screening may involve reviewing medical records, answering questions, undergoing examinations, or completing tests.

Not qualifying is not a personal rejection. Eligibility rules are designed to protect participants and help researchers answer the study’s question with reliable information. Ask whether a screening visit is required, what information will be reviewed, and whether there are other studies that may be more suitable if you are not eligible.

5. Risks, Benefits, and Alternatives

A balanced conversation should cover both what is known and what remains uncertain. Ask about known side effects, serious but uncommon risks, the possibility of receiving a placebo or standard treatment, and whether treatment assignment is random. Also, ask what will happen if the study treatment does not help or if side effects make continued participation unsafe.

Discuss alternatives with your regular health care team. Those alternatives may include standard care, another clinical trial, supportive care, or choosing not to pursue the research option. A potential benefit should be understood as a possibility, never as a promise.

6. Time, Travel, and Possible Costs

Medical fit is only one part of the decision. Ask for a written schedule showing the number and length of visits, required blood tests, scans, questionnaires, treatment sessions, remote appointments, and follow-up periods. Find out whether the study could involve overnight stays, frequent monitoring, or limits on travel and normal activities.

Request a clear explanation of what the study covers and what may be billed to insurance. Ask about travel, parking, meals, lodging, child care, missed work, participant payments, and reimbursement rules. Practical barriers can make a study difficult to complete even when the medical question is a good fit.

7. The Informed Consent Process

Informed consent should be a conversation that continues throughout participation. The research team should explain the study’s purpose, procedures, duration, risks, possible benefits, alternatives, privacy practices, and contact information. You should receive written information and enough time to read it, ask questions, and discuss it with people you trust.

Do not feel pressured to sign quickly. Ask for plain-language explanations of unfamiliar terms and request an interpreter if needed. If important new information emerges during the study, the research team should explain how it could affect your decision to continue.

8. Questions to Ask the Research Team

Questions About the Study

• What is the main goal of this study, and why do researchers think this approach may work?
• What phase is the study in, how many people are expected to participate, and who is sponsoring it?
• Will I receive the study treatment, standard care, a placebo, or be assigned by chance?

Questions About Safety and Daily Life

• Who do I contact after hours, and what symptoms need immediate attention?
• Can I continue my current medicines and receive care from my regular doctor?
• How often are visits required, how long do they last, and can any be completed remotely?

Questions About Costs and Privacy

• Which tests, treatments, and travel expenses are covered, reimbursed, or billed to insurance?
• How will my health information be stored, used, and shared?
• Will participants be told about the study results after the trial ends?

9. How to Make a Personal Decision

Read the study information more than once, write down questions, and compare the research option with your other care choices. Consider your health goals alongside transportation, finances, family responsibilities, work, and emotional readiness. Bringing a family member, caregiver, or advocate to a discussion can make it easier to remember answers and identify concerns.

For example, a person may find a nearby study that appears medically suitable but decide not to enroll because frequent visits conflict with caring for a relative. Declining can be a thoughtful, informed choice. The right decision is the one made with clear information and without pressure.

10. Common Questions About Joining a Trial

Can Anyone Join a Clinical Trial?

No. Some studies seek people with a particular condition, while others need healthy volunteers. Each trial has its own eligibility requirements.

Does Joining Guarantee Access to a New Treatment?

No. A trial may compare different treatments, standard care, or a placebo, and an investigational treatment may not prove effective.

Can a Participant Leave a Trial?

Participation is voluntary. Ask the research team how to stop safely and how leaving could affect follow-up care or access to study-related treatment.

Will the Study Replace a Regular Doctor?

Not necessarily. Ask how the research team will communicate with your usual clinicians and who will manage routine medical needs during the study.

Conclusion

A clinical trial may be a meaningful option, but it deserves the same careful review as any major health decision. Understand the study’s purpose, eligibility rules, risks, alternatives, schedule, costs, and consent process before deciding. Whether you join, wait, ask for more information, or decline, an informed decision should reflect your own health needs and circumstances.