Related Party Transactions	12 Months Ended
Dec. 31, 2022
Related Party Transactions [Abstract]
Related Party Transactions	3. Related Party Transactions Frazier is a principal stockholder of the Company and is a principal stockholder in PCI Pharma Services, or PCI. In the third quarter of 2019, the Company engaged PCI for clinical manufacturing services. As of December 31, 2022 and 2021, the Company had $1.1 million and $1.7 million, respectively, in outstanding accounts payable and accrued expenses related to these manufacturing services. For the years ended December 31, 2022 and 2021, the Company incurred $0.7 million and $3.2 million, respectively, of expenses related to services performed by PCI. Takeda became a common stockholder of the Company in connection with the May 2019 license agreement (see Note 4). In conjunction with this license, Takeda provides proprietary supplies for the Company’s ongoing clinical development of vonoprazan in addition to the exclusive license for the commercialization of vonoprazan in the United States, Canada and Europe. On May 5, 2020, the Company entered into a Commercial Supply Agreement, or the Commercial Supply Agreement, with Takeda, pursuant to which Takeda agreed to supply commercial quantities of vonoprazan bulk drug product or drug substance. Pursuant to the Commercial Supply Agreement, Takeda agreed to supply the Company with, and the Company agreed to purchase from Takeda, certain quantities of vonoprazan bulk drug product according to approved specifications at a fixed price per batch of bulk drug product in order to commercialize vonoprazan in accordance with the Takeda License. Unless terminated earlier, the term of the Commercial Supply Agreement extends for a period of two years from the date the Company places an order for bulk drug product or drug substance for the first commercial launch of vonoprazan in any jurisdiction in the licensed territory, provided that this two-year period will expire no later than December 31, 2023. The Commercial Supply Agreement will terminate immediately upon the termination of the Takeda License in accordance with its terms. In connection with the Takeda License, the Company entered into a temporary services agreement, or the Temporary Services Agreement, with Takeda on November 24, 2020. Pursuant to the Temporary Services Agreement, Takeda agreed to provide or procure the provision of services related to the ongoing clinical development of vonoprazan. The Temporary Services Agreement will terminate immediately upon termination of the Takeda License in accordance with its terms. As of December 31, 2022 and December 31, 2021, the Company had $1.4 million and $0.9 million, respectively, in outstanding accounts payable and accrued expenses related to these agreements. For the years ended December 31, 2022 and 2021, the Company incurred $1.4 million and $1.8 million, respectively, of expenses related to these agreements. The Company has no remaining minimum purchase obligation related to these agreements.

Related Party Transactions

12 Months Ended

Dec. 31, 2022

3. Related Party Transactions

Frazier is a principal stockholder of the Company and is a principal stockholder in PCI Pharma Services, or PCI. In the third quarter of 2019, the Company engaged PCI for clinical manufacturing services. As of December 31, 2022 and 2021, the Company had $1.1 million and $1.7 million, respectively, in outstanding accounts payable and accrued expenses related to these manufacturing services. For the years ended December 31, 2022 and 2021, the Company incurred $0.7 million and $3.2 million, respectively, of expenses related to services performed by PCI.

Takeda became a common stockholder of the Company in connection with the May 2019 license agreement (see Note 4). In conjunction with this license, Takeda provides proprietary supplies for the Company’s ongoing clinical development of vonoprazan in addition to the exclusive license for the commercialization of vonoprazan in the United States, Canada and Europe. On May 5, 2020, the Company entered into a Commercial Supply Agreement, or the Commercial Supply Agreement, with Takeda, pursuant to which Takeda agreed to supply commercial quantities of vonoprazan bulk drug product or drug substance. Pursuant to the Commercial Supply Agreement, Takeda agreed to supply the Company with, and the Company agreed to purchase from Takeda, certain quantities of vonoprazan bulk drug product according to approved specifications at a fixed price per batch of bulk drug product in order to commercialize vonoprazan in accordance with the Takeda License. Unless terminated earlier, the term of the Commercial Supply Agreement extends for a period of two years from the date the Company places an order for bulk drug product or drug substance for the first commercial launch of vonoprazan in any jurisdiction in the licensed territory, provided that this two-year period will expire no later than December 31, 2023. The Commercial Supply Agreement will terminate immediately upon the termination of the Takeda License in accordance with its terms. In connection with the Takeda License, the Company entered into a temporary services agreement, or the Temporary Services Agreement, with Takeda on November 24, 2020. Pursuant to the Temporary Services Agreement, Takeda agreed to provide or procure the provision of services related to the ongoing clinical development of vonoprazan. The Temporary Services Agreement will terminate immediately upon termination of the Takeda License in accordance with its terms. As of December 31, 2022 and December 31, 2021, the Company had $1.4 million and $0.9 million, respectively, in outstanding accounts payable and accrued expenses related to these agreements. For the years ended December 31, 2022 and 2021, the Company incurred $1.4 million and $1.8 million, respectively, of expenses related to these agreements. The Company has no remaining minimum purchase obligation related to these agreements.