A reversible albumin-binding growth hormone derivative is well tolerated and possesses a potential once-weekly treatment profile.

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Rasmussen MH, Olsen MW, Alifrangis L, Klim S, Suntum M

A reversible albumin-binding growth hormone derivative is well tolerated and possesses a potential once-weekly treatment profile.

J Clin Endocrinol Metab. 2014 Oct;99(10):E1819-29. doi: 10.1210/jc.2014-1702. Epub 2014 Jul 11.

PubMed ID
25013997 [ View in PubMed
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Abstract

CONTEXT: Human growth hormone (hGH) replacement therapy currently requires daily sc injections for years/lifetime, which may be both inconvenient and distressing for patients. NNC0195-0092 is a novel hGH derivative intended for once-weekly treatment of GH deficiency. A noncovalent albumin binding moiety is attached to the hGH backbone. Clearance is reduced as a consequence of a reversible binding to circulating serum albumin, which prolongs the pharmacodynamic (PD) effect. OBJECTIVE: To evaluate safety, local tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of a single dose (SD) and multiple doses (MD) of NNC0195-0092. SETTING AND DESIGN: Randomized, single-center, placebo-controlled, double-blind, SD/MD, dose-escalation trial of 105 healthy male subjects. NNC0195-0092 sc administration: Five cohorts of eight subjects received one dose of NNC0195-0092 (0.01-0.32 mg/kg) (n = 6) or placebo (n = 2). Sixteen subjects (equal numbers of Japanese and non-Asian) received once-weekly doses of NNC0195-0092 (0.02-0.24 mg/kg; n=12) or placebo (n=4) for 4 weeks. Blood samples were drawn for assessment of safety, PK, IGF-1, and IGF binding protein 3 profiles and anti-drug antibodies. RESULTS: SD and MD of NNC0195-0092 were well tolerated at all dose levels. No safety concerns or local tolerability issues were identified. A dose-dependent IGF-1 response was observed. IGF-1 profiles suggest that NNC0195-0092 may be suitable for once-weekly dosing, with a clinically relevant dose

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