Gluteal augmentation — whether through solid silicone implants, fat transfer (the Brazilian Butt Lift, or BBL), or injectable fillers — has become one of the fastest-growing categories of body contouring surgery. Interest in the procedure has climbed sharply in recent years, and research has followed: studies now compare implant techniques against fat transfer, evaluate safety protocols meant to reduce serious complications, and track newer materials used for volume and shape.
If you’re researching gluteal augmentation, participating in a clinical trial can offer closer surgical monitoring, access to newer techniques or materials, or compensation for study participation. Because this is also a procedure with real, well-documented safety risks, it’s worth being especially careful about where you look and who’s running the study.
1. ClinicalTrials.gov
Start with the federal registry and search using multiple terms, since researchers use different language depending on the technique:
- “Gluteal augmentation” and “buttock augmentation” for a broad search
- “Gluteal implants” specifically for solid silicone implant studies
- “Brazilian Butt Lift” or “BBL” and “fat transfer” for autologous fat grafting studies
- “PMMA” or “hyaluronic acid” if you’re interested in injectable filler research rather than surgical augmentation
What kinds of studies to expect:
- Technique comparison studies — Comparative research reviewing the four major approaches to buttock augmentation (implants, BBL, intramuscular PMMA filler, and deep subcutaneous hyaluronic acid filler) evaluates each for effectiveness, safety, recovery time, and patient satisfaction, which is a useful starting point for understanding what a given trial is actually testing.
- Safety protocol studies — Because fat embolism is a rare but serious risk specific to BBL procedures, a portion of current research focuses on injection technique, imaging guidance, and other safety measures meant to reduce that risk.
- Newer filler and biostimulatory material studies — Techniques using diluted calcium hydroxylapatite and similar volumizing agents for gluteal augmentation are a newer, actively developing area of research, including combination approaches used alongside implants or fat transfer.
- Implant-specific device studies — Traditional solid silicone gluteal implant studies exist but are less common than fat-transfer or filler research, since implants are used less frequently than BBL procedures overall.
2. Plastic Surgery and Body Contouring Research Networks
Because BBL and gluteal implant surgery carries meaningfully higher risk than many other cosmetic procedures, most active research in this space is run through accredited plastic surgery research networks and academic centers rather than independent providers. These networks typically prescreen candidates and can confirm which studies are currently open and where.
3. Academic Medical Centers and Plastic Surgery Societies
Professional plastic surgery organizations and their affiliated academic centers have been especially active in gluteal augmentation safety research in recent years, given the procedure’s complication profile. Checking directly with a university hospital’s plastic surgery department, or with the research arm of a national aesthetic surgery society, is often the most reliable way to find a study with rigorous safety oversight.
4. Your Own Plastic Surgeon
Ask directly whether your surgeon participates as an investigator in any gluteal augmentation studies, particularly if you’re deciding between implants, fat transfer, or filler-based approaches. A surgeon who’s actively involved in this research area can also give you a clearer, evidence-based picture of relative risk between techniques than general online sources.
5. Paid Clinical Trial Matching Platforms
Several newer platforms match consumers to open, compensated studies through a short intake form rather than requiring you to search registries yourself. If you’re specifically looking for a study with compensation, this can be a faster way to see what’s currently enrolling near you.
Questions to Ask Before You Enroll
- Which technique does the study involve — solid implants, fat transfer, or injectable filler — and is that the approach you actually want?
- Is the study interventional or observational, and what does participation actually require of you?
- Who is sponsoring the study, and is it registered on ClinicalTrials.gov with clear IRB oversight?
- What specific safety protocols does the study use, especially around technique and monitoring for serious complications?
- What are the credentials and experience level of the surgeon or investigator performing the procedure?
- Is there compensation, and does it cover any procedure costs or just your time and follow-up visits?
- What is the plan if a complication occurs, and who is responsible for your care afterward?
A Word of Caution
Gluteal augmentation carries a higher complication profile than many other cosmetic procedures, and unfortunately the popularity of BBL and butt implant procedures has also attracted unaccredited providers advertising informal or unregulated “trials.” Only consider studies registered on ClinicalTrials.gov, run through an accredited academic center or established research network, and performed by a board-certified plastic surgeon with documented experience in gluteal augmentation specifically. Be very wary of any offer that asks for payment to participate, doesn’t disclose a named sponsor, or can’t clearly explain its safety protocols.
This article is for general informational purposes and isn’t medical advice. Talk to a board-certified plastic surgeon about whether a clinical trial is appropriate for your specific procedure and health history.
