| AC | adrenal crisis; |
| ACTH | adrenocorticotropic hormone; |
| ADH | antidiuretic hormone; |
| AE | adverse event; |
| AGHD | adults with growth hormone deficiency; |
| AI | adrenal insufficiency; |
| AVP | arginine vasopressin; |
| BSA | body surface area; |
| BW | body weight; |
| CBG | corticosteroid-binding globulin; |
| CDI | central diabetes insipidus; |
| CSHI | continuous subcutaneous hydrocortisone infusion; |
| CTLA-4 | cytotoxic T-lymphocyte antigen-4; |
| DDAVP | 1-desamino-8-D-arginine-vasopressin or desmopressin; |
| DHEA | dehydroepiandrosterone; |
| DHEAS | dehydroepiandrosterone sulfate; |
| DI | diabetes insipidus; |
| DM | diabetes mellitus; |
| E2 | oestradiol; |
| ICI | immune checkpoint inhibitors; |
| IGF | insulin-like growth factor; |
| IHD | isolated deficiency; |
| IM | intramuscularly; |
| IV | intravenously; |
| FSH | follicle stimulating hormone; |
| fT4 | free T4; |
| GC | glucocorticoid; |
| GH | growth hormone; |
| GHD | growth hormone deficiency; |
| GnRH | gonadotropin-releasing hormone; |
| HC | hydrocortisone; |
| HCDC | hydrocortisone day-curve; |
| HCeq | equivalent hydrocortisone dose; |
| hCG | human chorionic gonadotropin; |
| hMG | human menopausal gonadotropin; |
| HRT | hormonal replacement therapy; |
| LH | Luteinizing Hormone; |
| L-T4 | levothyroxine; |
| MDT | multidisciplinary team; |
| MPHD | multiple pituitary hormone deficiency; |
| MRHC | once-daily modified-release hydrocortisone; |
| NFPA | non-functioning pituitary adenoma; |
| PAI | primary adrenal insufficiency; |
| PD-1 | programmed cell-death-1; |
| PD-L1 | programmed cell-death-ligand 1 (PD-L1); |
| PHG | primary hypogonadism; |
| PitAp | pituitary apoplexy; |
| PRL | prolactin; |
| PSA | prostate specific antigen; |
| QoL | quality of life; |
| r-hGH | recombinant human growth hormone; |
| SAI | central or secondary adrenal insufficiency; |
| SC | subcutaneously; |
| SDS | standard deviation score; |
| SHG | secondary hypogonadism; |
| SHT | secondary hypothyroidism; |
| TBG | thyroid-binding globulin; |
| TSH | thyroid-stimulating hormone; |
| UFC | urinary free cortisol; |
| ULN | upper limit of normal; |
| 11β-HSD1 | enzyme 11β-hydroxysteroid dehydrogenase |