---
kind: "section"
citation: "21 C.F.R. § 522.1850"
title: "21"
number: "522.1850"
heading: "Polysulfated glycosaminoglycan."
url: "https://uscodex.org/cfr/21/522.1850"
---

# §522.1850. Polysulfated glycosaminoglycan.

- (a) **Specifications.**
  - (1) **Each 1-milliliter (mL) ampule of solution contains 250 milligrams (mg) polysulfated glycosaminoglycan.**
  - (2) Each mL of solution packaged in 5-mL ampules or 20-, 30-, or 50-mL vials contains 100 mg polysulfated glycosaminoglycan.
- (b) **Sponsor.** See No. 010797 in [§ 510.600(c)](/cfr/21/510.600.md?p=c) of this chapter.
- (c) **Special considerations.** Federal law restricts this drug to use by or on the order of a licensed veterinarian.
- (d) **Conditions of use—**
  - (1) **Horses—**
    - (i) **Indications for use.** For the treatment of noninfectious degenerative and/or traumatic joint dysfunction and associated lameness of the carpal and hock joints in horses.
    - (ii) **Amount—**
      - (A) **Intra-articular use (carpal)—** 250 mg once a week for 5 weeks.
      - (B) **Intramuscular use (carpal and hock)—** 500 mg every 4 days for 28 days.
    - (iii) **Limitations.** Do not use in horses intended for human consumption.
  - (2) **Dogs—**
    - (i) **Indications for use.** For control of signs associated with noninfectious degenerative and/or traumatic arthritis of canine synovial joints.
    - (ii) **Amount.** 2 mg per pound of body weight by intramuscular injection twice weekly for up to 4 weeks (maximum of 8 injections).

## Notes

### Amendments

[72 FR 56896, Oct. 5, 2007, as amended at 74 FR 67816, Dec. 21, 2009]

### Authority

Authority: 21 U.S.C. 360b.

### Source

Source: 40 FR 13858, Mar. 27, 1975, unless otherwise noted.

### Amendments

[72 FR 56896, Oct. 5, 2007, as amended at 74 FR 67816, Dec. 21, 2009]