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Case report, 1999

Can a GnRH analogue stop premenstrual attacks of hereditary coproporphyria?

Yes. In this one woman, the GnRH analogue stopped her menstrual cycle and her symptoms got much better. She has had only a minor attack once in 5 years but developed weaker bones.

Early or limited evidence One 20-year-old woman with hereditary coproporphyria

What they did

Case report of a 20-year-old woman with hereditary coproporphyria. She needed frequent hospitalization due to premenstrual attacks. She was given intranasal buserelin acetate, a GnRH analogue that stops menstrual cycles.

What they found

Her symptoms improved dramatically once she stopped having periods. Urinary porphyrin derivatives fell markedly. She remained free from major attacks but had a minor attack once in 5 years. Her bones became weaker (osteopenia) as a side effect of long-term treatment.

What it means for you

Stopping the menstrual cycle with this hormone medicine can improve symptoms. However, long-term use can weaken bones, which is a concern. This is one woman's experience.

20

age in years

once in 5 years

frequency of minor attacks after treatment

About the study

Original title
Prevention of premenstrual exacerbation of hereditary coproporphyria by gonadotropin-releasing hormone analogue
Authors
Yamamori I, Asai M, Tanaka F et al.
Journal
Internal medicine (Tokyo, Japan)
Year
1999
Study design
Case report
What was tested
Intranasal buserelin acetate (GnRH analogue)
Open access
Yes

Topics