Evaluation of Injectable Calcium Hydroxylapatite for the Treatment of Facial Lipoatrophy Associated with Human Immunodeficiency Virus
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE To evaluate the safety and effectiveness of soft tissue augmentation with calcium hydroxylapatite (CaHA) microspheres in an aqueous gel in patients with facial lipoatrophy (FLA) secondary to human immunodeficiency virus (HIV) disease. METHODS This 12-month open-label, prospective study enrolled 30 subjects (29 men and 1 woman) with HIV-associated FLA. After the initial treatment phase (up to 2 injections, 30 days apart), patients were followed up at 3, 6, and 12 months. Patients were offered touch-up injections at 6 and 12 months. Measurements included confirmed changes in the Global Aesthetic Improvement Scale and in cheek thickness. RESULTS Average initial treatment volume was 9.5 mL per patient (both sides); total volumes per patient after 12 months averaged 16.1 mL. At all time points, all patients were rated as improved or better and responded affirmatively to satisfaction questions. Cheek thickness measurements increased substantially over baseline (p<.001). Most commonly reported adverse events were edema (93%), ecchymosis (83%), and erythema (77%). CONCLUSIONS CaHA is an appropriate and well-tolerated treatment for patients with HIV-associated FLA. With an excellent safety profile, CaHA provides immediate correction of FLA and appears to provide lasting improvement in appearance.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it