A kit and method for preparing a Degarelix solution for administration to a patient. The kit includes a first chamber containing lyophilised Degarelix, a second chamber containing water, a syringe for transferring the water from the first chamber to the second chamber, at least one of a hypodermic needle, a safety needle device, or a needleless device for delivery of the Degarelix to the patient, and a mixing apparatus. The mixing apparatus is configured to receive the first chamber to mix the Degarelix and water to produce a Degarelix solution suitable for deliver to a patient. The method includes transferring a volume of water from a first chamber into a second chamber containing lyophilised Degarelix, connecting the second chamber to a mixing apparatus and mixing the water and lyophilised Degarelix for a period of time.환자에 투여하기 위한 데가렐릭스 용액의 제조용 키트는 동결건조된 데가렐릭스를 함유하는 제1 체임버, 주사용수를 함유하는 제2 체임버, 물을 제1 체임버로부터 제2 체임버에 전달하기 위한 수단, 데가렐릭스를 환자에 전달하는 위한 수단, 및 자동 혼합 장치를 포함한다. 상기 혼합 장치는 제1 체임버를 수용하여 데가렐릭스와 주사용수를 혼합하여 용액을 생산하도록 조정된다.