The lancet. Diabetes & endocrinology · 2026
Efficacy and safety of relacorilant for the treatment of patients with Cushing's syndrome (GRACE): a multicentre, phase 3, double-blind, placebo-controlled, randomised-withdrawal study.
СтатьяРандомизированное исследованиеМногоцентровое исследованиеКлиническое исследование III фазыНазвание и аннотация: Перевод в очереди
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Pivonello Rosario, Arnaldi Giorgio, Auchus Richard J, Badiu Corin, Busch Robert S, Cannavò Salvatore, Dischinger Ulrich, Dobri Georgiana A, Donegan Diane M, Elenkova Atanaska, Fazeli Pouneh K, Feelders Richard A, Garcia-Centeno Rogelio, Gilis-Januszewska Aleksandra, Hamidi Oksana, Hannoush Zeina C, Kargi Atil Y, Miller Harold J, Ranetti Aurelian-Emil, Recasens Monica, Reincke Martin, Rovner Sergio, Salvatori Roberto, Silverstein Julie, Stigliano Antonio, Terzolo Massimo, Wang Christina, Yuen Kevin C J, Kesner-Hays Amanda, Hand Austin L, Tudor Iulia Cristina, Araque Katherine A, Moraitis Andreas G, GRACE Study Investigators
Аннотация
BACKGROUND: Relacorilant is a selective glucocorticoid receptor modulator designed to reduce excess cortisol activity by competing with cortisol for glucocorticoid receptor binding, mitigating the clinical manifestations of endogenous hypercortisolism (Cushing's syndrome). The aim of this study was to assess the efficacy and safety of relacorilant in adults with endogenous hypercortisolism.
METHODS: This multicentre, phase 3, double-blind, placebo-controlled, randomised-withdrawal study enrolled adults with endogenous hypercortisolism and hypertension, hyperglycaemia, or both and was conducted at 77 study centres across 11 countries. Key inclusion criteria included being aged 18-80 years with at least two clinical signs or symptoms of hypercortisolism. In the open-label phase, patients received oral, once-daily relacorilant (escalation from 100 mg up to 400 mg) for 22 weeks. Patients who met response criteria were randomly assigned (1:1) by the interactive web response system to continue relacorilant 400 mg (or highest tolerated dose) or placebo for 12 weeks in the randomised-withdrawal phase. Participants and investigators were masked to treatment assignment. The primary outcome was the proportion of patients who lost hypertension response during the randomised-withdrawal phase compared between relacorilant and placebo at week 12. As per protocol, this outcome was assessed in all participants who received at least one dose of study drug in the study period (intention-to-treat population). Missing randomised-withdrawal week 12 values were considered a loss of response. Safety was assessed in all enrolled patients who received at least one dose of study drug in that period. This study is registered with ClinicalTrials.gov, NCT03697109.
FINDINGS: Between Oct 16, 2018, and April 15, 2024, 404 patients were screened, 152 were enrolled, and 95 completed the open-label relacorilant phase. 62 patients met response criteria and were randomly assigned to relacorilant (30 total participants [21 met hypertension response criteria]) or placebo (32 total participants [22 met hypertension response criteria]). In the 30 participants in the relacorilant group, the mean age was 46·6 years (SD 11·0), 22 (73%) were female, and eight (27%) were male. In the 32 participants in the placebo group, the mean age was 48·8 years (SD 14·4), 26 (81%) were female, and six (19%) were male. During the randomised-withdrawal phase, significantly more patients with baseline hypertension who were randomly assigned to placebo lost hypertension control compared with those who continued relacorilant (proportion difference 34%; odds ratio 0·17 [95% CI 0·04-0·77]; p=0·022). In the randomised-withdrawal phase safety population, the most common adverse events in the 30 participants given relacorilant and the 32 participants given placebo were back pain (5 [17%] vs 6 [19%]), acne (3 [10%] vs 0), arthralgia (3 [10%] vs 3 [9%]), bursitis (3 [10%] vs 0), headache (3 [10%] vs 4 [13%]), and insomnia (0 vs 4 [13%]). There were no cases of excessive glucocorticoid receptor antagonism, adrenal insufficiency, vaginal bleeding associated with endometrial hypertrophy, drug-induced hypokalaemia, or drug-induced QT interval prolongation.
INTERPRETATION: Patients treated with relacorilant were more likely to maintain hypertension control compared with patients treated with placebo. The findings support consideration of relacorilant as a therapeutic option to reduce the harmful and debilitating effects of endogenous hypercortisolism.
FUNDING: Corcept Therapeutics.
METHODS: This multicentre, phase 3, double-blind, placebo-controlled, randomised-withdrawal study enrolled adults with endogenous hypercortisolism and hypertension, hyperglycaemia, or both and was conducted at 77 study centres across 11 countries. Key inclusion criteria included being aged 18-80 years with at least two clinical signs or symptoms of hypercortisolism. In the open-label phase, patients received oral, once-daily relacorilant (escalation from 100 mg up to 400 mg) for 22 weeks. Patients who met response criteria were randomly assigned (1:1) by the interactive web response system to continue relacorilant 400 mg (or highest tolerated dose) or placebo for 12 weeks in the randomised-withdrawal phase. Participants and investigators were masked to treatment assignment. The primary outcome was the proportion of patients who lost hypertension response during the randomised-withdrawal phase compared between relacorilant and placebo at week 12. As per protocol, this outcome was assessed in all participants who received at least one dose of study drug in the study period (intention-to-treat population). Missing randomised-withdrawal week 12 values were considered a loss of response. Safety was assessed in all enrolled patients who received at least one dose of study drug in that period. This study is registered with ClinicalTrials.gov, NCT03697109.
FINDINGS: Between Oct 16, 2018, and April 15, 2024, 404 patients were screened, 152 were enrolled, and 95 completed the open-label relacorilant phase. 62 patients met response criteria and were randomly assigned to relacorilant (30 total participants [21 met hypertension response criteria]) or placebo (32 total participants [22 met hypertension response criteria]). In the 30 participants in the relacorilant group, the mean age was 46·6 years (SD 11·0), 22 (73%) were female, and eight (27%) were male. In the 32 participants in the placebo group, the mean age was 48·8 years (SD 14·4), 26 (81%) were female, and six (19%) were male. During the randomised-withdrawal phase, significantly more patients with baseline hypertension who were randomly assigned to placebo lost hypertension control compared with those who continued relacorilant (proportion difference 34%; odds ratio 0·17 [95% CI 0·04-0·77]; p=0·022). In the randomised-withdrawal phase safety population, the most common adverse events in the 30 participants given relacorilant and the 32 participants given placebo were back pain (5 [17%] vs 6 [19%]), acne (3 [10%] vs 0), arthralgia (3 [10%] vs 3 [9%]), bursitis (3 [10%] vs 0), headache (3 [10%] vs 4 [13%]), and insomnia (0 vs 4 [13%]). There were no cases of excessive glucocorticoid receptor antagonism, adrenal insufficiency, vaginal bleeding associated with endometrial hypertrophy, drug-induced hypokalaemia, or drug-induced QT interval prolongation.
INTERPRETATION: Patients treated with relacorilant were more likely to maintain hypertension control compared with patients treated with placebo. The findings support consideration of relacorilant as a therapeutic option to reduce the harmful and debilitating effects of endogenous hypercortisolism.
FUNDING: Corcept Therapeutics.