Recombinant Human Thyrotropin-Assisted Radioiodine Therapy for Patients with Metastatic Thyroid Cancer Who Could Not Elevate Endogenous Thyrotropin or Be Withdrawn from Thyroxine
Bibliographic record
Abstract
The value of recombinant human thyrotropin (rhTSH) as preparation for radioiodine therapy was assessed in 115 patients with metastatic thyroid cancer. Patients who were either unable to elevate endogenous TSH during thyroxine withdrawal, or in whom thyroxine withdrawal was contraindicated for medical reasons were eligible. Their physicians requested rhTSH as part of the Thyrogen Compassionate Use Program. This is a retrospective summary of the nonrandomized uncontrolled experience. We assessed the ability of rhTSH to elevate the serum TSH; to avoid the complications of hypothyroidism; to stimulate radioiodine uptake; and to stimulate the serum thyroglobulin. Disease response and adverse events were also assessed. After rhTSH, the serum TSH levels rose to >or=25mU/L in every patient in whom levels were measured (n = 112). Hypothyroid complications were avoided in 22 of 25 patients who had experienced them in the past, and in 47 of 51 patients who were at high risk for hypothyroid complications. Radioiodine uptake was present on whole-body scans (WBS) in 105 of the 115 patients. Serum thyroglobulin levels were lower than baseline in 73% of patients assessed at 12 months. Cancer-related symptoms were improved in approximately 25%. Two patients had serious adverse events that were thought to be related to rhTSH. rhTSH elevates serum TSH and facilitates radioiodine uptake in patients who cannot produce endogenous TSH or who cannot tolerate hypothyroidism.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| 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 source (direct Gemma or distilled Codex), 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".