Periods and insulin: study reveals hidden link in diabetes control

NCT ID NCT07004504

Completed Knowledge-focused Sponsor: DCB Research AG Source: ClinicalTrials.gov ↗

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study examined how the menstrual cycle affects blood sugar and insulin needs in 77 women with type 1 diabetes. Using data from continuous glucose monitors and insulin pumps, researchers compared the follicular and luteal phases. The goal is to help women adjust their diabetes management based on their cycle.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If successful, this study could help women with type 1 diabetes better manage their blood sugar by adjusting insulin doses based on their menstrual cycle phase.
What could go wrong: This is an observational study that only looks at existing data, so it cannot prove cause and effect. The results may not apply to all women with type 1 diabetes.

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Conditions

The condition(s) this trial relates to.

Insulin Resistance type 1 diabetes mellitus

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

TYPE 1 DIABETES MELLITUS

Contacts and locations

Locations

DCB Research AG

Bern, 3010, Switzerland

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Other studies related to the condition(s) this trial covers.