Study of ORIC-101 in Combination With Enzalutamide

2019-07-30 14:21:44 | BioPortfolio


The purpose of this study is to establish the recommended phase 2 dose (RP2D), safety, pharmacokinetics (PK), pharmacodynamics (PD), and preliminary antitumor activity of ORIC-101 in combination with enzalutamide (Xtandi®) when administered to patients with metastatic prostate cancer progressing on enzalutamide.


ORIC-101 is a small molecule GR antagonist being developed for the treatment of patients with solid tumor malignancies. Mechanistically, ORIC-101 inhibits GR transcriptional activity and blocks the pro-survival signals mediated by the activated nuclear receptor.

This is an open-label, single arm, multicenter, dose escalation followed by dose expansion study to assess the safety and preliminary antitumor activity of ORIC-101 in combination with enzalutamide in patients progressing on enzalutamide. Patients deemed eligible will receive treatment with ORIC-101 in addition to continuing their current enzalutamide therapy.

Escalating dose levels of ORIC-101 will be administered orally, once daily in combination with enzalutamide 160 mg. Parallel enrollment for assessment of PK/PD modulation in up to 3 additional patients presenting with tumors expressing high levels of GR (GR-high) may be performed at each dose level after the dose level has cleared the initial dose-limiting toxicity evaluation period; these additional patients may serve as supplemental patients for selection of the maximum tolerated dose and/or RP2D.

Dose expansion will further evaluate the safety and preliminary antitumor activity of ORIC-101 in patients presenting with different levels of GR expressing-tumors.

Study Design


Prostatic Neoplasms


ORIC-101, enzalutamide 40 MG oral capsule [Xtandi]


Not yet recruiting


Oric Pharmaceuticals

Results (where available)

View Results


Published on BioPortfolio: 2019-07-30T14:21:44-0400

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Medical and Biotech [MESH] Definitions

Tissue ablation of the PROSTATE performed by ultrasound from a transducer placed in the RECTUM. The procedure is used to treat prostate cancer (PROSTATIC NEOPLASMS) and benign prostatic hypertrophy (PROSTATIC HYPERPLASIA).

Tumors or cancer of the PROSTATE.

A premalignant change arising in the prostatic epithelium, regarded as the most important and most likely precursor of prostatic adenocarcinoma. The neoplasia takes the form of an intra-acinar or ductal proliferation of secretory cells with unequivocal nuclear anaplasia, which corresponds to nuclear grade 2 and 3 invasive prostate cancer.

A nitrogen mustard linked to estradiol, usually as phosphate; used to treat prostatic neoplasms; also has radiation protective properties.

Tumors or cancer of the PROSTATE which can grow in the presence of low or residual amount of androgen hormones such as TESTOSTERONE.

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