Exercise and Blood Sugar During Menstrual Cycle Phases With Type 1 Diabetes

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for adult women with type 1 diabetes who use monophasic birth control pills. It studies blood sugar changes during exercise at two points of the menstrual cycle.

Age

18 to 50 years

Sex

Women only

Disease stage

Type 1 diabetes diagnosed for at least 1 year; regular periods.

Earlier treatment

Must use monophasic oral contraceptives. Must not have changed insulin management within two months of the study, and must not use an automated insulin delivery system.

Main reasons for not taking part

• HbA1c above 9.9% (85 mmol/mol)
• Frequent and unpredictable low blood sugar
• Blood pressure above 140/95 or a history of cardiovascular disease
• Severe nerve damage in the limbs or active proliferative retinopathy
• Other medicines (besides insulin) that affect blood sugar, or a muscle or joint problem that rules out exercise

The registry criteria, word for word

Check if you might fit

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

• Are you between 18 and 50 years old?YesNo

What the trial wants to find out

Female participants with type 1 diabetes using oral contraceptives will be asked to wear a continuous glucose monitor for at least three days on two separate occasions (once during the last week of active pills and once during the no pill/placebo pill phase of the menstrual cycle). An exercise session (45 minutes of aerobic exercise at 60% VO2peak on a cycle ergometer) will take place at 5 pm on the second day of glucose monitoring.

The group in the trial

• All participantsTreatment being tested

  All participants will be in a single study arm.

  Treatment: Luteal Phase Aerobic Exercise and Follicular Phase Aerobic Exercise