Pediatric clinical trials are often misunderstood. Seen as a last resort, clinical trial opportunities are often perceived as high risk, even for adults. For pediatric illnesses and conditions, however, clinical trials may raise expectations of a miracle cure. In both cases, under exposure and high expectations, what parents don’t know can stand in the way of access to medical care for their child.
Many people are unaware that children can participate in clinical trials for conditions ranging from asthma to rare genetic disorders. Yet the decision to enroll a minor is rarely straightforward. It raises questions of medical and emotional uncertainty that can affect an entire family.
Physicians are important guides in this process. They can help legal guardians understand what trials actually involve, how protections work, and how to weigh risks against potential benefits. The way they handle these sensitive conversations can make or break access.
Primary care physicians are often the first point of contact for families learning about clinical trials within the broader spectrum of treatment options. How physicians frame those early conversations can determine whether trials are seen as legitimate care options or last-resort experiments.
“Primary care providers play a vital role because they’re usually the physicians patients know best and trust the most,” says Edward Kim, MD, MBA, City of Hope Clinical Trials system director and Physician-in-Chief. “When a primary care provider mentions clinical trials early — simply as one of several care options — it builds confidence that trials are an important, thoughtful part of care. When clinical trials are introduced earlier, discussed in plain language, and designed to fit more seamlessly into people’s lives, patients are far more open to learning about them and deciding whether they’re right for them.”
Pat F. Bass III, MD, MS, MPH, now a primary care physician in Louisiana, previously worked at LSU Health Shreveport, running clinical trials in COPD, diabetes, and anticoagulation. He advises that physicians start by explaining to parents that a clinical trial is not an experiment. “It is a structured research study with rules, oversight, and a formal consent process,” he explains. “Families should be told the purpose of the trial, what is known, what is not known, and how the study differs from standard care. They should also hear clearly that joining is voluntary and that they can ask questions and leave at any time. Clinical trials are approved by certain regulatory agencies and are overseen by an Institutional Review Board (IRB) that is independent of the trial. The IRB is a group of people who review the trial to make sure it is safe, ethical, and fair.”
Dr. Bass says that physicians can apply short scripts to reassure parents without overpromising:
That last part is key, he says, because false hope often happens when clinicians blur the line between possible benefit and proven benefit. A better approach is to be explicit about uncertainty. “Some studies may offer the prospect of direct benefit, while others are mainly designed to answer scientific questions,” Dr. Bass says. “FDA and HHS rules require that parents be given enough information to make an informed decision, and that assent-capable children be involved as well.”
He advises physicians to use plain language, not research jargon: “separate ‘what we know’ from ‘what we hope.’”
In addition to the trial details, discuss standard care, palliative, and supportive options, as well, if applicable. Remember, the first conversation should not be the last, and many families often need multiple discussions to make a final decision.
Dr. Bass also suggests asking the parent to explain the trial back in their own words to check understanding and clarify any misconceptions before they leave the physician’s office.
Jara MacDonald, MD, FAAFP, DABOM, Executive Medical Director at clinical trial network Tekton Research, highlights that physicians are often the first to know about clinical trial options. “Patients (and even physicians) may not know where to find which clinical trials are being conducted in their area,” she says. “Patients may not understand how advances in medicine depend on voluntary, fully-informed, consenting clinical trial participants.”
That misunderstanding extends to what participation actually means. As Dr. MacDonald notes, “they may feel like once they elect to start a trial, they are forced to continue, but this is not the case.”
Similarly, she says they may not understand that “investigators conducting clinical trials are happy to communicate with the patient’s care team and provider about a patient’s participation in a clinical trial — investigators do not take over care or want to replace a patient’s trusted primary care provider/physician.” Sometimes the misconception that participation in a trial will change the entire medical team can intimidate parents from “starting all over,” with a new set of physicians.
Dr. MacDonald adds that parents may not know that pediatric clinical trials can be observational and may not require medication or procedures. And “they may feel like once they elect to start a trial, they are forced to continue — but this is not the case,” Dr. MacDonald reminds.
Pediatric clinical trials require a layered decision-making process that includes both parental permission and the child’s understanding of the decision.
Parents should get into the mechanics, which will most affect their support and consent role in the trial. Dr. Bass suggests asking critical questions. “A simple parent-friendly way to frame it is: ‘What are we hoping for, what are we risking, what are the other options, and what will this actually look like for our child and family?’”
In most cases, parents or guardians provide legal consent, but children are also asked for assent when developmentally appropriate. This distinction is critical because it ensures that children are not passive subjects in their own care. Physicians can also ensure that their minor patients fully understand their condition — at an age-appropriate level — and recognize when actions, such as sleep, eating, and taking medications, require their cooperation.
For older minors, particularly teens, engagement becomes even more important. Ethical frameworks emphasize that assent is not symbolic. If a cognitively capable child disagrees, that dissent can override parental permission in many cases. This reflects a broader principle: children’s perspectives are not secondary data points, but part of the ethical foundation of pediatric research.
The practical implication for physicians is clear. Conversations must be age-appropriate, repeated when necessary, and grounded in comprehension rather than compliance. When parents and children disagree about approaches, the physician can offer support suggestions like group therapy, support groups, and other mental health referrals that may help families work through their differences productively and positively.
One of the most delicate challenges in pediatric clinical trials is balancing optimism with realism. Families often enter these conversations seeking hope against great odds, but physicians must ensure them that hope is grounded in evidence rather than blind faith.
Explaining the medical and ethical rigor behind trials can help balance conversations between physicians and parents.
Physicians can also reduce pressure by explicitly framing choice. Dr. MacDonald notes that when clinicians explain voluntary participation and withdrawal rights, “it can change the way patients look at all of their healthcare decisions and can shift their approach toward self-advocacy and comprehensive understanding of their own health and options for management.”
The practical takeaway is that transparency is protective. Families do not need simplified optimism. They need structured conversations that allow them to make informed, reversible decisions. They also need to understand the financial and logistical burden of participating in a clinical trial, as some families may need to relocate or travel long distances to support participation. These practical caregiving considerations may impact employment, childcare for other children, and mental health. Parents should be encouraged not to minimize these barriers to participation, but to give them thoughtful consideration before embarking on the pediatric clinical trials process.
Ultimately, physicians are not simply referral points. They are interpreters of a complex system. When they explain pediatric clinical trials early, clearly, and repeatedly, they reduce fear, correct misinformation, and make participation — when appropriate — a legitimate and informed choice rather than an uncertain leap.
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