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Pheochromocytomas and paragangliomas are tumours of adrenaline-producing tissue that cause dangerous blood pressure surges. Surgery after careful blood-pressure blockade cures most, genetic testing finds an inherited cause in nearly half, and for the minority that spread there are now radioactive drugs that home to the tumour and, since 2025, the first oral targeted pill, belzutifan.
PPGL are catecholamine-secreting tumours of the adrenal medulla (pheochromocytoma) or extra-adrenal sympathetic and parasympathetic paraganglia. They have the highest heritability of any human tumour: about 40 percent carry germline mutations in one of more than 15 genes, grouped into cluster 1 (pseudohypoxia: SDHA/B/C/D, VHL, FH, EPAS1) and cluster 2 (kinase signalling: RET, NF1, TMEM127, MAX). SDHB carriers have the highest metastatic risk. Diagnosis rests on plasma free or urinary fractionated metanephrines, then anatomical imaging and functional imaging with 68Ga-DOTATATE PET (most sensitive for SDHx and metastatic disease) or 18F-FDOPA. Endocrine Society guidance recommends germline testing for every patient.
Surgery after 7 to 14 days of alpha-adrenergic blockade is curative for localised disease, with cortical-sparing adrenalectomy in hereditary bilateral cases. Metastatic disease is treated to control catecholamine excess and tumour burden: 177Lu-DOTATATE for SSTR-positive tumours (NCCN-listed; prospective trials ongoing), high-specific-activity 131I-MIBG (iobenguane I-131, Azedra; FDA 2018, though the manufacturer later announced its commercial discontinuation), cyclophosphamide-vincristine-dacarbazine or temozolomide chemotherapy (particularly SDHB-mutant), and sunitinib, which improved progression-free survival versus placebo in the randomised FIRSTMAPPP trial (Lancet 2024). Belzutifan, the HIF-2alpha inhibitor first approved for VHL-associated tumours, received FDA approval on 14 May 2025 for locally advanced, unresectable or metastatic PPGL in patients aged 12 and older on the basis of the LITESPARK-015 cohort (objective response rate 26 percent), the first oral therapy approved for the disease and a direct hit on the pseudohypoxia biology of cluster 1 tumours.
Open problems are predicting metastasis (no histological criterion is reliable), lifelong surveillance of gene carriers, and sequencing radioligand, HIF-2alpha and kinase therapy.
About 2 to 8 cases per million people per year; roughly one in ten pheochromocytomas and a higher share of paragangliomas are metastatic, and about 40 percent of all cases are hereditary.
Renal cell carcinoma comes from the kidney's filtering cortex, urothelial cancer from the lining of the collecting system and bladder, and the adrenal on top hosts cortical and medullary (neuroblastoma) tumours.
Same organ: Collecting duct carcinoma of the kidney, Renal medullary carcinoma (SMARCB1-deficient), TFE3-rearranged (translocation) renal cell carcinoma, Fumarate hydratase-deficient renal cell carcinoma (HLRCC-associated), Succinate dehydrogenase-deficient renal cell carcinoma, Mucinous tubular and spindle cell carcinoma of the kidney, Eosinophilic solid and cystic renal cell carcinoma, Clear cell papillary renal cell tumour, Urothelial carcinoma of the urethra, Squamous cell carcinoma of the urethra, Adenocarcinoma of the urethra (including clear cell adenocarcinoma), Melanoma of the urethra, Non-muscle-invasive bladder cancer, Muscle-invasive and advanced bladder cancer, Bladder & urothelial cancer, Clear cell renal cell carcinoma, Papillary renal cell carcinoma, Chromophobe renal cell carcinoma, Renal cell carcinoma, Wilms tumour (nephroblastoma), Neuroblastoma (paediatric), Low-risk neuroblastoma (INRG very low and low risk, including stage MS), Intermediate-risk neuroblastoma, High-risk neuroblastoma, Adrenocortical carcinoma, Urethral cancer, Penile cancer, Localised penile cancer (organ-confined, node-negative), Node-positive and metastatic penile cancer, Localised adrenocortical carcinoma (ENSAT stage I to III, resectable), Advanced and metastatic adrenocortical carcinoma (ENSAT stage IV or unresectable), Hereditary pheochromocytoma and paraganglioma (SDHx, VHL, RET, NF1, MAX and TMEM127), Metastatic pheochromocytoma and paraganglioma
Alpha-blockade (phenoxybenzamine or doxazosin) for 7 to 14 days, volume expansion, then laparoscopic or open adrenalectomy; cortical-sparing surgery in hereditary bilateral disease.
Germline genetic testing and, for carriers, lifelong biochemical and imaging surveillance; cascade testing of relatives.
Belzutifan (FDA May 2025, LITESPARK-015); 177Lu-DOTATATE for SSTR-positive disease; 131I-MIBG where available; sunitinib (FIRSTMAPPP); CVD or temozolomide chemotherapy for rapidly progressive or SDHB-mutant disease; alpha-blockade throughout.
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Query for this cancer: (TITLE:"Pheochromocytoma and paraganglioma" OR ABSTRACT:"Pheochromocytoma and paraganglioma" OR TITLE:"PPGL" OR ABSTRACT:"PPGL" OR TITLE:"Pheochromocytoma" OR ABSTRACT:"Pheochromocytoma" OR TITLE:"Paraganglioma" OR ABSTRACT:"Paraganglioma" OR TITLE:"Phaeochromocytoma" OR ABSTRACT:"Phaeochromocytoma") AND (treatment OR therapy OR trial OR survival OR diagnosis). Results are unfiltered search hits about Pheochromocytoma and paraganglioma (PPGL), not a curated reading list.
Later shown by genetic analysis to be a case of MEN2.
Baysal and colleagues, Science: metabolic enzyme genes as tumour suppressors.
FDA, July 2018, for unresectable MIBG-positive PPGL; later discontinued commercially.
Baudin and colleagues, Lancet: first randomised trial in metastatic PPGL.
FDA, 14 May 2025, LITESPARK-015 cohort A1; first oral therapy for the disease.
The targets of this cancer's medicines and the ones linked to it directly.
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Bleeding that does not stop by itself, bleeding from more than one site, or new bruising in several places or one large area.
Sudden severe bone pain, or back pain with weakness or numbness in the legs (possible spinal cord compression).
Sudden severe abdominal pain, a hard or very tender abdomen, or abdominal pain with vomiting and fever. Boxed warning for gastrointestinal perforation on bevacizumab.
Fainting, near-fainting, or an irregular or racing heartbeat; several kinase inhibitors prolong the QT interval and the labels require ECG and electrolyte monitoring.
Avoid grapefruit.
Take on an empty stomach or at bedtime to reduce nausea; PJP prophylaxis during concurrent chemoradiation.
See all on the product pages:131I-MIBG (iobenguane I-131) therapyCyclophosphamideLutetium-177 dotatateSunitinibTemozolomideVincristine·Printable cards in the navigator
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