A case of CHD2 variant-associated psychosis and response to treatment
Why this work is in the frame
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Bibliographic record
Abstract
Although psychotic symptoms have occasionally been associated with pathogenic CHD2 variants, few articles have provided phenotypic information in this respect or described treatment response. We describe an 18-year-old female with a 15q26.1 interstitial deletion that disrupts CHD2, who at age 12 developed a variety of psychotic symptoms that responded well to quetiapine therapy. She also exhibited improvement in her cognitive functioning, language skills, and social responsiveness, which coincided with the initiation of metformin. This is only the third report to characterize antipsychotic treatment response in an individual harboring a pathogenic CHD2 variant, and the first to do so in relation to quetiapine. Although anecdotal, psychotic symptoms that develop in relation to pathogenic CHD2 variants may respond to atypical antipsychotic therapy, and metformin may have additional benefits in this population with respect to behavioral/social deficits. However, more evidence is needed before any firm conclusions can be drawn.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 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