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Behavioral Weight Loss Intervention Utilizing Mobile Health Technology in Hematopoietic Stem Cell Transplant Patients

Who can join

As published by the study on ClinicalTrials.gov. "Not stated" means the study hasn't said — ask the study team.

Age
13 Years to 30 Years
Sex
All sexes
Healthy volunteers
Accepted
Compensation
Not stated

Other requirements are listed under Eligibility below. Only the study team can confirm whether you can join.

What to expect

No one can promise a trial will help you personally — that is what the research is trying to find out.

What participation involves

  • Procedures mentioned: Phone or video check-ins

Only what the study's summary and detailed description on ClinicalTrials.gov say. Time periods may describe the whole study or a part of it — ask the study team what applies to you.

Show the study's own words
  • "Participants will also be involved in weekly phone calls and daily weekday texts to discuss their status for the 4 month duration."
Compensation
Not stated
  • Study-related exams and procedures are typically provided at no cost. This is how many trials work in general — confirm the details for this study with the study team.
  • Participants are monitored closely by the research team throughout the study.
  • Some participants may receive access to an investigational treatment, which is still being studied.
  • Your participation helps researchers learn whether this approach could help future patients.

About this study

In plain language

This small study tests a weight-loss program that uses a mobile app for people who have had a stem cell transplant. It is for patients with a high body mass index (BMI), a measure of weight compared with height. The study tracks weight, blood tests related to how the body uses food, eating habits, and readiness to change.

Pilot study enrolling obese post HSCT (hematopoietic stem cell transplantation) patients at the hematology/oncology clinic at the Mattel Children's Hospital, University of California, Los Angeles. Parameters include percent over the 95th percentile (%BMIp95), zBMI, fasting metabolic metrics, addictive eating habits, and motivation for change.

Compensation is read from the study's own description and may be missing — always confirm with the study team.

Eligibility

Who can join

  • Ages 13 to 30. The age rules conflict: the exclusion rules say people who are exactly 13 or 30 cannot join. Ask the study team to clarify.
  • Had any type of stem cell transplant at least 100 days before the first study visit.
  • Have a BMI at or above the 85th percentile for age and sex, as required by this study. This means a BMI as high as or higher than 85 out of 100 peers.
  • Can read English, since the app is only in English.
  • Male and female patients can join.

Who can't join

  • Age 13 or younger, or 30 or older, according to the exclusion rules. These limits conflict with the inclusion rules.
  • Had a stem cell transplant fewer than 100 days before the first study visit. You may qualify later if a visit is more than 100 days after transplant and enrollment is still open.
  • BMI does not meet the study's weight requirement.
  • A condition greatly limits your ability to take part. No specific medical condition automatically rules you out; the team decides for each person.

Simplified for readability. The official criteria below are what the study team uses.

Official eligibility criteria

Inclusion Criteria: * Patients ≥ 13 and ≤ 30 years old with a history of HSCT of any type, at least 100 days post-transplant at initial consultation of the study, will be eligible for the study. * Both male and female patients will be eligible. * Patients must classify as obese, represented as Body mass index \[BMI\] ≥85th percentile for age and gender. * Patients must also be able to read English since the app intervention is only available in English form. Exclusion Criteria: * Patients who are ≤ 13 or ≥ 30 years old are not eligible for the study. * Patients who are \< 100 days post-transplant at initial consultation will not be eligible for the study, but may become eligible if they are \>100 days post-transplant at their next consultation that falls within the enrollment window. * Patients whose BMI does not fall under the obese category will be excluded. * No patients will be excluded for any specific underlying medical condition, but decisions will be made on a case by case basis if a patient's functioning is deemed to significantly interfere with intervention participation.

Study sites (1)

CA