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Ochronosis disorder

MONDO:0001910

A disorder characterized by bluish-black discoloration of the cartilaginous tissues due to accumulation of homogentisic acid. It is associated with alkaptonuria. Signs and symptoms include dark urine, skin pigmentation, and arthritis.

Also known as: ochronosis

55 clinical trials for this condition and its sub-types.

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Sub-types

Exogenous ochronosis (0)

Broader categories

Disease (618) Metabolic disease (215) Musculoskeletal system disorder (196) Connective tissue disorder (67) Human disease (14) Skeletal system disorder (4) Disease by body system or component (0) Disease by developmental or physiological process (0)

Trials to join now! 28 Not yet recruiting 8 Not yet finished but already full! 5 Completed 13 Terminated 1

Scientists gather leftover surgical tissue to unlock secrets of bone disease

Knowledge-focused Terminated

This study collected bone, cartilage, skin, and fat tissue from 50 patients undergoing surgery at Children's National Medical Center. The goal was to grow cells from these tissues in the lab and analyze them to better understand bone and connective tissue diseases. The study was …

Sponsor: National Institute of Dental and Craniofacial Research (NIDCR) • Aim: Knowledge-focused

Last updated Jun 27, 2026 07:52 UTC