Aliskiren alone or with other antihypertensives in the elderly with borderline and stage 1 hypertension: the APOLLO trial
Bibliographic record
Abstract
AIMS: We studied the unclear question whether blood pressure (BP) lowering reduces cardiovascular disease (CVD) in elderly individuals with systolic BP <160 mm Hg. METHODS AND RESULTS: We initiated a randomized placebo-controlled stratified 2 × 2 factorial clinical trial evaluating the effects of BP lowering in 11 000 elderly individuals with systolic blood pressure (SBP) between 130 and 159 mm Hg, for 5 years. Following 5-week active run-in, participants were randomized to aliskiren (300 mg) or placebo, and to an additional antihypertensive [hydrochlorothiazide (25 mg) or amlodipine (5 mg)], or their respective placeboes. Study was terminated by sponsor after 1759 subjects (age 72.1 ± 5.2 years, 88% receiving at least one antihypertensive) were randomized and followed for 0.6 year. Study drugs were well tolerated with few serious adverse events during run-in and after randomization, with no significant differences between treatment groups. By design, three levels of BP reductions were achieved, adjusted mean BP reductions of 3.5/1.7 mm Hg (P < 0.001) by aliskiren, 6.8/3.3 mm Hg (P < 0.001) by hydrochlorothiazide or amlodipine, and 10.3/5.0 mm Hg (P < 0.001) by double therapy compared with placebo. Twenty-five major CVD events occurred. Non-significant trends towards fewer CVD events with greater BP reductions are evident: hazard ratios (HR) 0.82 [95% confidence interval (CI): 0.37-1.81] for 3.5 mm Hg SBP reduction; HR 0.45 (95% CI: 0.19-1.04) for 6.8 mm Hg; and HR 0.25 (0.05-1.18) for 10.3 mm Hg reduction for primary composite of CV death, MI, stroke, or significant heart failure. CONCLUSIONS: Sizeable reductions in BP, with potential for substantial CVD reduction, can be safely achieved using combinations of BP drugs in the elderly with normal high and Stage 1 hypertension. CLINICAL TRIAL REGISTRATION: NCT01259297.
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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 | 0.001 | 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 | 0.001 |
| 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".