Progestogen hypersensitivity

MONDO:0021952

Progestogen hypersensitivity (PH), also referred to as autoimmune progesterone dermatitis (APD), is a rare immediate or delayed hypersensitivity reaction to endogenous progesterone and/or synthetic progestins characterized by diverse cutaneous manifestations, bronchospasm, and/or anaphylaxis.

Also known as: APD, PH, autoimmune progesterone dermatitis, autoimmune progesterone dermatitis/urticaria, autoimmune progesterone urticaria, progesterone dermatitis

5 clinical trials for this condition and its sub-types, 3 tagged with Progestogen hypersensitivity itself.

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Where it sits in the disease tree

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Part of

↑ Hypersensitivity reaction disease (1022)

Including sub-types (5) Tagged with Progestogen hypersensitivity (3)

Trials to join now! 1 Not yet recruiting 1 Not yet finished but already full! 1

Water pH may impact colonoscopy cleanliness in First-of-Its-Kind study

Knowledge-focused Not yet recruiting

This study will look at 1,200 people getting a colonoscopy to see if the pH of the water they drink during bowel preparation affects how clean their colon is. Researchers will note the pH of each person's drinking water and rate bowel cleanliness using a standard scale. This is t…

Sponsor: Sinan Ömeroğlu, MD • Aim: Knowledge-focused

Last updated Jul 09, 2026 00:00 UTC

Progestogen hypersensitivity

Where it sits in the disease tree

Water pH may impact colonoscopy cleanliness in First-of-Its-Kind study