PASCA-MM Study. Impact of the PASCA (PArcours de Santé au Cours du CAncer) Program on Complications Associated With Multiple Myeloma and/or Its Treatments in the Context of a First Hematopoietic Stem Cell Autograft, in Adults Aged 18 to 70.

"\- An interpretation of the results of the detection tests concerning~* the 7 complications of interest assessed at T1, T2, T3 and T4 ;~* the 13 secondary complications assessed at T1, T3 and T4. This interpretation will be based on decision trees (1 tree/complication) to guide investigators in their decision-making and to standardise orientations;"

"Explanation of results and directions to the patient using plain language;The aims of this call are as follows:~* Clearly explain the results of the detection visit and the action to be taken for each referral;~* Evaluate the help to be given to the patient. This help will consist of making bookings with a healthcare professional in the PASCA network;~* Reassure patients about their results, but also make them aware of the importance of taking action to improve or prevent the onset of complications."

Early, proactive medical care through a network of dedicated healthcare professionals.

For both the 7 complications of interest (primary objective) and the 13 secondary complications (secondary objective): all the data from each detection visit will be sent to the referring onco-haematologists, so that they can initiate their own management.