Recognizing and Treating Catatonia in Kleefstra Syndrome
Bibliographic record
Abstract
Kleefstra syndrome is a rare genetic disorder (less than 1 in 1,000,000) associated with a mutation of the euchromatic histone lysine methyltransferase 1 gene of the ninth chromosome. This gene controls the production of the enzyme, histone methyltransferase 1, which has widespread impacts on the body's ability to function. There are numerous physiologic impacts of the genetic abnormalities associated with Kleefstra syndrome, including psychiatric and behavioral comorbidities. One of these comorbidities is Catatonia. Catatonia is a neuropsychiatric syndrome that is associated with psychomotor disturbances, with individuals either appearing to be hypokinetic or, less commonly, hyperkinetic. It is defined by a compilation of symptoms that range from changes in communication, movements, and behaviors. Though case reports in the literature are nonexistent, Catatonia is known to be associated with Kleefstra syndrome. Furthermore, the successful treatment of Catatonia associated with Kleefstra has not yet been reported. This case describes a 17-year-old male with a history of Kleefstra syndrome and Catatonia who was successfully treated with scheduled Lorazepam. Discussion of such a case in the literature is important to help other providers appropriately diagnose and treat this often overlooked psychiatric condition in patients with complex genetic syndromes.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".