Split-Dosed MiraLAX/Gatorade Is an Effective, Safe, and Tolerable Option for Bowel Preparation in Low-Risk Patients: A Randomized Controlled Study
Bibliographic record
Abstract
OBJECTIVES: MiraLAX with Gatorade is a low-volume bowel preparation regimen that has been used widely in community practice and is anecdotally better tolerated than Golytely. Despite its widespread use, there are little data on the efficacy and tolerability of this solution and no safety data in the literature. The primary aim of this study was to compare the efficacy, safety, and tolerability of single-dosed and split-dosed regimens of MiraLAX/Gatorade with Golytely for bowel preparation before colonoscopy. METHODS: Adults presenting for outpatient colonoscopy were screened for enrollment into this single-blinded randomized controlled trial. Patients with severe cardiac or renal disease and patients with electrolyte abnormalities were excluded. Subjects were randomized into four groups: 4 l Golytely single-dosed (Go-Si), 4 l Golytely split-dosed (Go-Sp), 238 g MiraLAX in 64 oz of Gatorade single-dosed (Mlax-Si), and MiraLAX/Gatorade split-dosed (Mlax-Sp) groups. Laboratory data including complete blood count, comprehensive metabolic panel, and osmolality were collected before the day of bowel preparation and just before the start of colonoscopy. Subjects completed a survey assessing taste and tolerability of the solution. Colonoscopies were recorded using video recording software and de-identified. Colonoscopy videos were evaluated for efficacy of cleansing by two blinded endoscopists. Two validated bowel preparation scales were used to assess bowel cleansing: the Boston Bowel Preparation Scale (BBPS; 0-9 best) and Ottawa Scale (0-14 worst). RESULTS: A total of 222 patients were evaluated in this study (86.2% male, mean age 59.4). Of these, 57 subjects were randomized to the Go-Si group, 51 to Go-Sp group, 60 to Mlax-Si group, and 54 to Mlax-Sp group. There was no significant difference in age, gender, or timing of colonoscopy between the groups (P>0.05). Mean BBPS scores were: Go-Si=6.07, Go-Sp=8.33, Mlax-Si=6.62, and Mlax-Sp=8.01. Mean Ottawa score for the groups were: Go-Si group=6.77, Go-Sp=4.12, Mlax-Si=6.25, and Mlax-Sp=4.8. Go-Sp resulted in significantly better cleansing than Go-Si (P<0.01). Mlax-Sp resulted in significantly better cleansing than Mlax-Si (P<0.01). There was no significant difference in BBPS between Go-Sp and Mlax-Sp. There were no clinically significant electrolyte changes from baseline in any subject in any group after bowel prep (P>0.05). Subjects rated the taste and overall experience of Mlax/Gatorade preparation better than Golytely (P<0.01). In all, 96.8% of Mlax/Gatorade subjects were willing to repeat the same preparation vs. 75% for Golytely subjects (P<0.01). CONCLUSIONS: Split-dosed MiraLAX/Gatorade was an effective, safe, and tolerable option for bowel preparation before colonoscopy in the low-risk patients in this study. MiraLAX/Gatorade appears to be more tolerable than Golytely as a bowel cleansing regimen and was the preferred agent by the patients in this study.
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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 | 0.003 | 0.003 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.004 | 0.003 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.002 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.008 | 0.001 |
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".