Recruiting at 3 sites Phase 4 Prader-Willi Syndrome

Prader-Willi Syndrome study: Tirzepatide

Official title Tirzepatide in PWS, HO and GNSO

ClinicalTrials.gov ID: NCT06901245

What this study is testing

What is Tirzepatide?

An investigational once‑weekly injectable medicine being studied as a potential treatment for weight management in young adults with Prader‑Willi syndrome, hypothalamic obesity, or non‑genetic obesity. It is designed to activate both GLP‑1 and GIP receptors, which can help regulate appetite and metabolism.

Also referred to as Mounjaro.

Plain-language explanation of the investigational treatment. It is being studied and is not an approved or proven therapy. The study team can confirm the details.

What it's testing
The study aims to see how tirzepatide changes weight and related health measures in these groups.
Who it's for
Young adults who have Prader‑Willi syndrome, hypothalamic obesity, or obesity not caused by a genetic or medical condition.
What's involved
Participants will take the tirzepatide medication for one year and undergo regular check‑ups and health tests.
Time commitment
The trial lasts about 12 months with scheduled study visits throughout the year.
  • Phase 4: studies an already-approved treatment

A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.

Who can take part

Ages 18 to 26

You may be able to join if

  • Individuals 18-26 years with a BMI in the obesity range (BMI ≥95th percentile for age and sex or ≥30 kg/m2) with either 1) genetically confirmed...
  • In a stable care setting at least 6 months prior to enrollment
  • Able and willing to participate in study visits including tolerating blood draws, urine samples and tolerate DXA scan.
  • Ability to take weekly subcutaneous tirzepatide
  • Consistent caregiver if they are not independent

You likely can't join if

  • Current or recent (within 3 months of start of study drug initiation) use of weight loss medications
  • Current use of insulin or sulfonylurea or other medication affecting insulin secretion or GLP1 clearance
  • Current or prior use of any GLP1A or DPP4 inhibitor during the 6 months before screening
  • Any medications that may affect the study endpoints
  • Significant weight change (\>3% weight gain or loss) in the last 2 months prior to enrollment
  • Change in dose of chronic endocrine medications (testosterone, estrogen, levothyroxine, or growth hormone medications) \>10%/kg/day for at least 3...
See the full eligibility criteria
Who can join
  • Individuals 18-26 years with a BMI in the obesity range (BMI ≥95th percentile for age and sex or ≥30 kg/m2) with either 1) genetically confirmed diagnosis of PWS, 2) hypothalamic obesity as defined by damage to the...
  • In a stable care setting at least 6 months prior to enrollment
  • Able and willing to participate in study visits including tolerating blood draws, urine samples and tolerate DXA scan.
  • Ability to take weekly subcutaneous tirzepatide
  • Consistent caregiver if they are not independent
  • Stable diet and exercise regimen for at least 6 months prior to enrollment
  • Able to use contraceptive methods if able to conceive offspring in order to prevent unintentional pregnancy during the study
What rules you out
  • Current or recent (within 3 months of start of study drug initiation) use of weight loss medications
  • Current use of insulin or sulfonylurea or other medication affecting insulin secretion or GLP1 clearance
  • Current or prior use of any GLP1A or DPP4 inhibitor during the 6 months before screening
  • Any medications that may affect the study endpoints
  • Significant weight change (\>3% weight gain or loss) in the last 2 months prior to enrollment
  • Change in dose of chronic endocrine medications (testosterone, estrogen, levothyroxine, or growth hormone medications) \>10%/kg/day for at least 3 months prior to study
  • Current pregnancy or desire to become pregnant within study period, current lactation
  • History of recurrent pancreatitis, CKD, gastroparesis
  • Chronic/acute heart, kidney, or liver disease
  • Personal or family history of medullary thyroid carcinoma or MEN syndrome type 2
  • Uncontrolled diabetes (A1C \>8.5%)
  • Cancer within the previous 5 years
  • Current participation in an treatment clinical study
  • Previous or planned surgical treatment for obesity
  • Individuals with current substance abuse equivalnt to moderate or severe based on DSM 5 criteria (Hasin DS, 2013)
  • Any suicidal ideation in the past year
  • Unable to perform any of the procedures for the study
  • Have a body weight, height, and/or width that that prohibits the ability to obtain accurate measurements according to the DXA manufacturer's specification
  • Any condition that would prevent successful participation in the study.

The study team makes the final eligibility decision.

Where it is enrolling

  • Saint Paul, Minnesota, United States
  • Nashville, Tennessee, United States
  • Seattle, Washington, United States

Questions & answers

Do participants get paid in this trial?

This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.

Is it free to join, and do I need insurance?

Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part, but confirm specifics with the study team.

How long does this study last?

The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.

Who can join this trial?

This study is enrolling all sexes, 18 years to 26 years. The study team makes the final eligibility decision.

Where is this trial taking place?

This study is enrolling now at Saint Paul, Minnesota, United States; Nashville, Tennessee, United States; Seattle, Washington, United States. Enter your location above to see the nearest enrolling site and check your eligibility.

Explore other conditions

BridgeMD is an information and trial-matching tool that is independent of the study sponsor. Details come from ClinicalTrials.gov. The study team decides eligibility, and your own doctor gives medical advice.