Research ArticleResearchMedication SafetyInfection Control

Three penicillin doses did not improve early-syphilis pregnancy outcomes versus one dose in a small trial

Sexually transmitted infections (PubMed)Jul 16, 2026

AI-summarized from the linked source. Educational brief, not medical advice.

Brief summary

In a single-center randomized trial of 23 pregnant patients with early syphilis, three weekly benzathine penicillin G doses did not improve maternal serologic response or neonatal outcomes compared with one standard dose.

What NurseJet pulled from the source

This nonblinded randomized trial enrolled 23 pregnant patients with secondary or early latent syphilis and compared one 2.4-million-unit benzathine penicillin G injection with three weekly injections. Maternal VDRL titers did not differ between groups at delivery or two months postpartum. All neonates were clinically healthy and achieved seroreversion by six months, with no detected group difference in neonatal outcomes. The findings align with current single-dose recommendations for early syphilis in pregnancy, but the very small, single-center sample cannot exclude uncommon or modest differences.

Why this matters for nurses

Obstetric nurses help coordinate timely treatment, allergy verification, injection administration, follow-up testing, partner-service referrals, and newborn evaluation. The trial addresses a common question about whether extra doses improve outcomes in early syphilis during pregnancy.

Bedside takeaway

A small randomized trial found no benefit from three benzathine penicillin doses over one for early syphilis in pregnancy.

How This Applies in Practice

Use this when: Caring for a pregnant patient receiving provider-ordered treatment for secondary or early latent syphilis.

On your shift

Verify the documented stage, allergy history, ordered benzathine penicillin product and dose, and planned serologic follow-up before administration.
Coordinate the maternal and newborn follow-up plan and promptly address missed treatment, testing, or referral steps through the care team.

Keep in mind: Do not alter the number of doses from this small trial alone. Follow the current obstetric and infection-control protocol, facility policy, and patient-specific provider orders.

Key takeaways

The randomized, nonblinded trial enrolled 23 pregnant patients with secondary or early latent syphilis.
Maternal VDRL responses did not differ between one-dose and three-dose groups at delivery or two months postpartum.
All neonates were clinically healthy and achieved seroreversion by six months.
The small sample limits confidence about uncommon outcomes and smaller treatment differences.

Practice implications

Verify syphilis stage, allergy history, ordered benzathine penicillin product and dose, and the maternal and newborn follow-up plan. Do not add or omit doses based on this small trial; use the applicable obstetric and infection-control protocol and promptly address missed treatment or follow-up.

Limitations & cautions

The trial was nonblinded, involved only 23 participants at one center, and compared groups of 12 and 11 patients. All neonates had favorable observed outcomes, leaving little power to detect uncommon harms or differences. The results apply to secondary or early latent syphilis, not other stages.
AI-summarized from the linked source. Review the original article before applying to practice.

Citations

Exact source links

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Sexually transmitted infections (PubMed)

Sexually transmitted infections (PubMed). Single versus three doses of benzathine penicillin G for early syphilis in pregnancy: no added benefit in serological response or neonatal outcomes.

Open original source

https://pubmed.ncbi.nlm.nih.gov/41314798/

Professional education only

This summary does not replace clinical judgment, facility policy, provider orders, or official guidelines. Verify practice changes against the original source and local protocol.

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A single-center retrospective cohort found that approximately one quarter of laboratory-defined acute kidney injury cases on internal medicine wards were not documented, particularly when maximal creatinine was lower.

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Among 161 adult hospitalizations meeting serum-creatinine criteria for acute kidney injury, 39 cases (24.2%) were undocumented. Length of stay and in-hospital mortality did not differ significantly by documentation status.

Key takeaways

In the 149 hospitalizations with a demonstrable creatinine change, 33 cases (22.1%) were undocumented.
Higher maximal creatinine was associated with lower adjusted odds of underdocumentation.
The study did not test whether a detection or documentation intervention improves care or outcomes.

Why this matters on shift

A smaller creatinine rise may receive less attention even when it meets the study's laboratory definition of acute kidney injury, which can affect how renal risk is communicated across the inpatient team.

Bedside takeaway

Trend ordered renal-function results and communicate clinically important changes through local escalation and documentation workflows.

Nursing implications

Trend ordered renal-function results and communicate clinically important changes through the care team according to local escalation and documentation workflows.

Limitations & cautions

Abstract-only summary. This was a retrospective, single-center study of 161 hospitalizations; urine-output criteria and reliable preadmission creatinine values were unavailable, and the reference creatinine method may affect case classification.
AI-summarized from the linked source. Review the original article before applying to practice.

Citations · exact source links

Renal failure (PubMed). Underdocumentation of laboratory-defined acute kidney injury in internal medicine wards: a retrospective cohort study.

Open original sourceFull brief

AI-summarized from the linked source. Review the original article before applying to practice.

Journal of midwifery & women's health (PubMed)Sep 7, 2026Research Article

A retrospective analysis of US natality data found no statistically significant yearly difference in neonatal mortality between freestanding birth centers and hospitals among term, singleton, vertex births without major medical risk factors from 2015 through 2024.

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Adjusted neonatal-mortality odds for freestanding birth centers fluctuated around 1.0 across the 10-year study period. No individual year showed a statistically significant difference from hospital births, including 2020 and 2021 when birth-center volume increased.

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The analysis was restricted to births meeting selected low-risk criteria.
The study found no evidence that higher birth-center use during the pandemic years increased neonatal mortality.
The observational design cannot establish that birth setting itself caused the mortality pattern.

Why this matters on shift

The findings add national outcome data for counseling and systems planning around freestanding birth-center care for appropriately selected low-risk pregnancies.

Bedside takeaway

Apply local eligibility, surveillance, escalation, and transfer protocols when caring for planned low-risk birth-center patients.

Nursing implications

Keep eligibility, surveillance, escalation, and transfer decisions anchored to local birth-center criteria and maternal-newborn protocols.

Limitations & cautions

Abstract-only summary. The study used retrospective vital-record data, was limited to selected low-risk births, and cannot exclude residual differences between people who delivered in birth centers and hospitals.
AI-summarized from the linked source. Review the original article before applying to practice.

Citations · exact source links

Journal of midwifery & women's health (PubMed). Neonatal Mortality Risk Among Births in Freestanding Birth Centers, 2015 to 2024.

Open original sourceFull brief

AI-summarized from the linked source. Review the original article before applying to practice.

European heart journal (PubMed)Sep 6, 2026Research Article

In the pragmatic TARGET-D randomized trial, vitamin D dosing titrated to a serum target did not significantly reduce the composite of death, recurrent myocardial infarction, heart-failure hospitalization, or stroke after myocardial infarction.

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Among 630 participants followed for an average of 4.2 years, major cardiovascular events occurred in 15.7% with targeted vitamin D management and 18.4% with usual care (hazard ratio 0.85, 95% CI 0.58 to 1.24; P=0.40).

Key takeaways

At baseline, 87% of participants had a 25-hydroxyvitamin D level of 40 ng/mL or lower.
The primary composite outcome and the individual outcomes of death, heart-failure hospitalization, and stroke were not significantly different.
A lower recurrent-MI rate was a secondary finding and should not override the nonsignificant primary result.

Why this matters on shift

The trial cautions against presenting targeted vitamin D supplementation as a proven strategy for reducing major cardiovascular events after myocardial infarction.

Bedside takeaway

Present vitamin D as prescribed supplementation, not as a replacement for established post-MI secondary prevention.

Nursing implications

Reinforce the prescribed secondary-prevention plan and avoid implying that vitamin D replaces therapies with established post-MI benefit.

Limitations & cautions

Abstract-only summary. The trial included 630 participants, 78.1% were men, the primary confidence interval included benefit and no benefit, and individual secondary outcomes were not the primary endpoint.
AI-summarized from the linked source. Review the original article before applying to practice.

Citations · exact source links

European heart journal (PubMed). Targeted vitamin D supplementation and major adverse cardiovascular events after myocardial infarction: the TARGET-D trial.

Open original sourceFull brief

AI-summarized from the linked source. Review the original article before applying to practice.

How This Applies in Practice

Key takeaways

Practice implications

Limitations & cautions

Exact source links

More updates for this clinical area

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