Lenders are demanding higher pricing from two European leveraged-loan borrowers, a rare sign of difficulty these days in the buoyant market for sub-investment grade debt.

Pricing for a €450 million ($529 million) loan to French hospital operator Almaviva Sante has increased to 425 basis points over EuriborBloomberg Terminal from an initial 375 basis points. Nursing home company DomusVi, meanwhile, has seen price talk for its €1.979 billion repricing climb to to Euribor plus 475 from guidanceBloomberg Terminal of 425 to 450 basis points over Euribor.