A Study to Evaluate the Drug-Drug Interaction Between KL0011034 Injection and Alfentanil Hydrochloride Injection in Participants With Moderate-to-Severe Non-Cancer Chronic Pain

​ Conditions: Chronic Pain

Interventions: Drug: KL0011034 injection; Drug: Alfentanil Hydrochloride Injection

Sponsors: The Third Xiangya Hospital of Central South University; Hunan Kelun Pharmaceutical Co., Ltd.; Sichuan Kelun Pharmaceutical Co.,Ltd.

Not yet recruiting Conditions: Chronic Pain
Interventions: Drug: KL0011034 injection; Drug: Alfentanil Hydrochloride Injection
Sponsors: The Third Xiangya Hospital of Central South University; Hunan Kelun Pharmaceutical Co., Ltd.; Sichuan Kelun Pharmaceutical Co.,Ltd.
Not yet recruiting